CN2562901Y - Rolling needle drill clip - Google Patents
Rolling needle drill clip Download PDFInfo
- Publication number
- CN2562901Y CN2562901Y CN 02278789 CN02278789U CN2562901Y CN 2562901 Y CN2562901 Y CN 2562901Y CN 02278789 CN02278789 CN 02278789 CN 02278789 U CN02278789 U CN 02278789U CN 2562901 Y CN2562901 Y CN 2562901Y
- Authority
- CN
- China
- Prior art keywords
- casing
- drill
- upper casing
- lining
- concentricity
- 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 relates to a rolling needle drill clamp, comprising an upper casing and a lower casing which are correspondingly screwed. The inner parts of the upper casing and the lower casing areThe utility model provides a rolling needle drill clamp, wherein an upper casing and a lower casing are screwed. Linings are arranged in the upper and lower casings, and the lower casing and the linin provided with a liner; the lower casing and the liner are cone-shaped; a middle shaft is arranged between the upper casing and the liner, and the bottom end of the middle shaft is provided with a pusg are taper. A central shaft is arranged between the upper casing and the lining and provided with a push rod at the bottom. The push rod can drive three jaws to move along the taper of the lower casih rod which can drive three jaws to move as the conicity between the lower casing and the liner to clamp a drill head. The rolling needle drill clamp is characterized in that the middle shaft is proving and the lining to clamp the drill bit. The utility model is characterized in that the central shaft is provided with an upper bearing and a lower bearing with respect to the upper casing and the lided with an upper bearing and a lower bearing between the corresponding upper casing and the liner; the concentricity of the middle shaft, the casing, and the liner are greatly lifted, and the concentning, so that the concentricity of the central shaft, the casing and the lining is greatly increased, and the drill bit and the drill press main shaft have the same concentricity. The central shaft anricity of the drill head is in consistent with the concentricity of the main shaft of the drilling machine. The middle shaft and the upper casing is provided with a protruding shoulder and a pressure d the upper casing are provided with a crossette and a chuck ring correspondingly, which have a plurality of balls. The top of the central shaft is provided with sleeves with different types which arering on the relative position; the inner parts of the pressure ring and the protruding shoulder are provided with a plurality of roller balls; the top end of the middle shaft can be provided with slee fixed in the drill press main shaft directly. The utility model has good concentricity, compact structure, small amplitude during rotation, no hole enlargement and wide application to the machining ove cylinders with different forms which are directly fixed in the main shaft of the drilling machine. The utility model has the advantages of favorable concentricity and compact structure; when rotatif precision components. ng, the amplitude is small, and the 'reaming' phenomenon can not be generated. The rolling needle drill clamp can be widely used for the processing of the precision parts.
Description
Technical field
The utility model relates to a kind of needle roller drill point.
Background technology
Existing drill point, its structure are that the top is taper, make things convenient for branch sleeve, by sleeve drill point are fixedlyed connected with drill press spindle, and drill point is together turned round with drill press spindle.When we utilize the hand rotation case, also to turn round together with the driving ring of inside, therefore the teeth on the driving ring drive the pawl that has tooth bar, make three pawls do synchronous turnover, and object is clamped.There is following shortcoming in this drill point: (1) drill point is because of the bearing that can not bear up and down or the left and right sides is stressed, so drill point can't bear side force and pressure adding man-hour for a long time, the drill point structure is loosening easily; (2) fixedly connected (i.e. axle, ring compound mode) with lining merely between drill point and drill press spindle, when drilling machine rotated, its contact-making surface was big, friction is big, concentricity is not good, thereby the drill point amplitude is big, this drill point very easily produces " reaming " phenomenon, so can't be engaged in Precision Machining.
Summary of the invention
The purpose of this utility model designs a kind of drill point exactly, and its axis, upper casing, the position that lining is relative are equipped with bearing respectively, and the situation that makes drill point not have beat when boring produces.
The utility model is achieved like this, it comprises upper casing, lower casing, pawl, lining, axis, taper hole, locating hole, crossette, push rod, driver slot, locating ring, screw, upper bearing (metal), lower bearing, pressure ring, ball, sleeve, upper casing and lower casing are screwed together, the centre is provided with lining, lining and lower casing are taper, be provided with axis between upper casing and lining, be provided with taper hole in the axis, this taper hole can insert sleeve and relative fit with drill press spindle, make the axis rotation, the axis upper end is provided with locating ring, locating ring, axis is provided with screw at relative position, locating hole, insert dowel, axis is positioned in the upper casing, and the axis lower end is provided with a push rod, and push rod has three driver slots, can collude the top margin that closes three pawls relatively, push rod and pawl be interlock together, when moving on lower casing and the upper casing, can make push rod that pawl is imposed thrust, make three-jaw follow lower casing, tapering action between lining makes things convenient for the clipping tapered end.Axis is being provided with bearing, thrust bearing between upper casing, lining relatively, axis, shell, lining three's concentricity is significantly risen, drill point is consistent with the drill press spindle concentricity, axis, upper casing are provided with crossette in relative position, be provided with pressure ring between crossette, be provided with plurality of balls in pressure ring and the crossette, constitute thrust bearing structure, on the axis top multi-form sleeve can be set, make the drill point can be directly fixedly in the drill press spindle.
The utlity model has good, the compact conformation of concentricity, amplitude is little when rotating, and can not produce " reaming " phenomenon, is widely used in the processing of precision part.
Description of drawings
Fig. 1 is a decomposing schematic representation of the present utility model.
Fig. 2 is a generalized section of the present utility model.
Fig. 3 is a structural representation of the present utility model.
In the drawings, 1. pawl, 2. lower casing, 3. lining, 4. driver slot, 5. push rod, 6. lower bearing, 7. crossette, 8. ball, 9. axis, 10. locating hole, 11. taper holes, 12. pressure rings, 13. upper casings, 14. upper bearing (metal)s, 15. screws, 16. locating rings, 17. sleeves.
The specific embodiment
As shown in the figure, the utility model comprises upper casing (13), lower casing (2), pawl (1), lining (3), axis (9), crossette (7), ball (8), pressure ring (12), lower bearing (6), upper bearing (metal) (14), push rod (5), locating ring (16), upper casing (13) is screwed together with lower casing (2), the centre is provided with lining (3), lining and lower casing are taper, be provided with an axis (9) between upper casing and lining, be provided with taper hole (11) in the axis, taper hole can insert sleeve (17) and relative fit with main shaft, make axis with main axis rotation, the axis upper end is provided with locating ring (16), locating ring, axis is provided with screw (15) at relative position, locating hole (10), inserting dowel is positioned in the upper casing axis, the axis lower end is provided with a push rod (5), push rod is divided into three driver slots (4), can collude the top margin that closes three pawls (1) relatively, push rod and pawl be interlock together, when lower casing and upper casing spiral shell move, can make push rod that pawl is imposed thrust, make three-jaw follow lower casing, be provided with upper bearing (metal) (14) between lining, lower bearing (6), make axis, shell, lining three's concentricity significantly rises, drill point is consistent with the drill press spindle concentricity, axis, the position that upper casing is relative is provided with crossette (7) and pressure ring (12), be provided with plurality of balls (8) between pressure ring and the crossette, multi-form sleeve (17) can be set on the axis top, drill point can directly be fixed in the drill press spindle.
Claims (3)
1, a kind of needle roller drill point, screw togather relatively by upper casing, lower casing and to form, be provided with lining in upper and lower shell, lower casing, lining are taper, are provided with axis between upper casing and lining, the axis bottom is provided with push rod, push rod can drive three-jaw and follow the tapering between lower casing, lining and move, and with the clipping drill bit, it is characterized in that axis is being provided with upper bearing (metal), lower bearing between upper casing, lining relatively, axis, shell, lining three's concentricity is significantly promoted, and drill bit is consistent with the drill press spindle concentricity.
2, needle roller drill point according to claim 1 is characterized in that axis, upper casing are provided with crossette and pressure ring at relative position, are provided with plurality of balls in pressure ring and the crossette.
3, needle roller drill point according to claim 1 is characterized in that the axis top can be provided with multi-form sleeve, directly to be fixed in the drill press spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02278789 CN2562901Y (en) | 2002-08-13 | 2002-08-13 | Rolling needle drill clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02278789 CN2562901Y (en) | 2002-08-13 | 2002-08-13 | Rolling needle drill clip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2562901Y true CN2562901Y (en) | 2003-07-30 |
Family
ID=33742011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02278789 Expired - Fee Related CN2562901Y (en) | 2002-08-13 | 2002-08-13 | Rolling needle drill clip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2562901Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500799A (en) * | 2011-10-28 | 2012-06-20 | 江苏宏丰奥凯机电有限公司 | Seamless steel pipe end part chamfer clamp |
-
2002
- 2002-08-13 CN CN 02278789 patent/CN2562901Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500799A (en) * | 2011-10-28 | 2012-06-20 | 江苏宏丰奥凯机电有限公司 | Seamless steel pipe end part chamfer clamp |
| CN102500799B (en) * | 2011-10-28 | 2013-06-19 | 江苏宏丰奥凯机电有限公司 | Seamless steel pipe end part chamfer clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |