CN215092076U - High-precision positioning electric grinding chuck assembly - Google Patents
High-precision positioning electric grinding chuck assembly Download PDFInfo
- Publication number
- CN215092076U CN215092076U CN202121319030.0U CN202121319030U CN215092076U CN 215092076 U CN215092076 U CN 215092076U CN 202121319030 U CN202121319030 U CN 202121319030U CN 215092076 U CN215092076 U CN 215092076U
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- chuck
- nut
- conical surface
- screw thread
- snap ring
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Abstract
The utility model discloses an electric mill chuck assembly for high accuracy location, be equipped with ring groove's chuck including nut, surface, nut one end is connected with the pivot, and the other end is connected with the chuck, and the chuck is located the surface of ring groove below and has offered a plurality of flutings for the conical surface and make it have the elastic shrinkage function, press the cap, the snap ring of constituteing by two semi-ring body cooperations including the screw thread, the nut is equipped with the external screw thread with the chuck link, and the nut inner wall is equipped with the conical surface matched with inner conical surface with the chuck, the ring groove joint of snap ring and chuck, the screw thread press the cap to compress tightly the snap ring with the external screw thread screwed connection of nut and realize being connected of chuck and nut, the conical surface of chuck and the inner conical surface laminating of nut this moment, the chuck presses the oppression of nut through the screw thread to move down and contract gradually under the restriction of inner conical surface. The utility model provides a but high accuracy location that high accuracy carries out stable connection to the chuck grinds chuck assembly with electricity that can high accuracy.
Description
Technical Field
The utility model relates to a high accuracy location is with electric mill chuck assembly belongs to machining equipment technical field.
Background
The electric grinding chuck is a drilling and milling chuck arranged on a drilling/milling machine, and has the function of clamping an electric drill, a clamp spring groove clamped with a nut eccentric part is arranged at one end of the chuck, the electric drill is arranged in a nut through being clamped with the nut eccentric part, the handle part of the drill is arranged in a clamping hole of an elastic chuck, a spindle clamps the drill firmly through being connected with the nut in a threaded manner and hoops the chuck, a certain gap is reserved between the nut eccentric part and the clamp spring groove of the chuck in order to clamp the nut eccentric part and the clamp spring groove of the chuck, so that slight shaking can be generated between the chuck and the nut, and high-precision positioning connection cannot be achieved.
Disclosure of Invention
The utility model aims to solve the technical problem that an electric mill chuck assembly is used in high accuracy location is provided, but the high accuracy is carried out the stable connection to the chuck, can solve the not enough of prior art.
The technical scheme of the utility model is that: the utility model provides a high accuracy location is with electric mill chuck assembly, is equipped with ring groove's chuck including nut, surface, and nut one end is connected with the pivot, and the other end is connected with the chuck, and the chuck is located the surface of ring groove below and has offered a plurality of flutings and make it have the elastic shrinkage function, presses the cap, the snap ring of constituteing by two semi-ring body cooperations including the screw thread, the nut is equipped with the external screw thread with the chuck link, and the nut inner wall is equipped with the conical surface matched with inner cone with the chuck, the snap ring presses the cap to compress tightly the snap ring with the external screw thread screwed connection of nut with the snap ring and realizes being connected of chuck and nut, and the conical surface of chuck and the inner cone laminating of nut this moment, and the chuck moves down and shrinks gradually under the restriction of inner cone through the tight oppression of screw thread pressure cap and nut.
Further be equipped with spacing installation in the screw thread pressure cap the recess of snap ring, snap ring and recess are matched with non-circular structure.
And further, an annular groove is formed in the inner wall of the nut, and an oil injection channel communicated with the annular groove is formed in the nut.
Through implementing the utility model discloses, the chuck cover is arranged in the nut, the upper portion of chuck is located outside the nut, the conical surface of its surface and the laminating of the interior conical surface of nut, two hemizonids of snap ring joint in the ring groove both sides of chuck respectively, thereby the screw thread presses the external screw thread screwed connection of cap and nut to compress tightly the snap ring and realizes being connected of chuck and nut, the chuck presses the tightening oppression of cap and nut through the screw thread to move down and contract gradually under the restriction of interior conical surface and realize the tight regulation of clamp of chuck, the snap ring comprises two hemizonids, can make almost not have the clearance behind the ring groove joint of snap ring and chuck, but in addition the restriction through the interior conical surface of nut high accuracy carries out stable connection to the chuck, make it can not appear in the use and rock the circumstances such as.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an internal cross-sectional view of the present invention;
fig. 3 is an explosion diagram of the present invention.
Shown in the figure: a nut 1; a ring-shaped clamping groove 2; a chuck 3; a conical surface 4; slotting 5; a half-ring body 6; a snap ring 7; a screw thread pressing cap 8; an external thread 9; an internal thread 10; an inner conical surface 11; a groove 12; a ring groove 13; the oil filling channel 14.
Detailed Description
The embodiment of the utility model provides a: as shown in fig. 1 to 3, an electric grinding chuck assembly for high precision positioning comprises a nut 1, a chuck 3 having an annular clamping groove 2 on the outer surface, the lower end of the nut 1 is connected with a rotating shaft, the upper end of the nut is connected with the chuck 3, the outer surface of the chuck 3 below the annular clamping groove 2 is a conical surface 4 and is provided with a plurality of slots 5 to enable the chuck 3 to have elastic contraction function, the electric grinding chuck assembly comprises a screw thread pressing cap 8 and a clamping ring 7 formed by matching two semi-ring bodies 6, the screw thread pressing cap 8 is provided with an internal thread 10, the upper end of the nut 1 is provided with an external thread 9 matched with the internal thread 10 of the screw thread pressing cap 8, the inner wall of the nut 1 is provided with an internal conical surface 11 matched with the conical surface 4 of the chuck 3, the clamping ring 7 is clamped with the annular clamping groove 2 of the chuck 3, the screw thread pressing cap 8 is in threaded connection with the nut 1 to press the clamping ring 7 to realize connection between the chuck 3 and the nut 1, at this time, the conical surface 4 of the chuck 3 is attached to the internal conical surface 11 of the nut 1, the chuck 3 moves downwards through the tightening force of the thread pressing cap 8 and the nut 1 and gradually shrinks under the limitation of the inner conical surface 11. When in use, the lower end of the nut 1 is connected with the rotating shaft, the electric grinding drill bit is arranged in the clamping hole of the chuck, the chuck 3 is sleeved at the upper end of the nut 1, the upper part of the chuck 3 is positioned outside the nut 1, the conical surface 4 of the outer surface of the lower part of the clamp ring is attached to the inner conical surface 11 of the nut 1, the two semi-ring bodies 6 of the clamp ring 7 are respectively clamped at two sides of the annular clamping groove 2 of the clamp head 3, the thread pressing cap 8 is in threaded connection with the nut 1 so as to press the clamp ring 7 to realize the connection of the clamp head 3 and the nut 1, the clamp head 3 moves downwards through the tightening and pressing of the thread pressing cap 8 and the nut 1 and gradually shrinks under the limitation of the inner conical surface 11 to realize the clamping of the clamp head 3 on the electric grinding drill bit, the clamp ring 7 is composed of the two semi-ring bodies 6, can make snap ring 7 and chuck 3's ring groove 2 joint back almost not have the clearance, but the restriction through nut 1's interior conical surface 11 in addition carries out stable connection to chuck 3 of high accuracy, makes it can not appear rocking the condition such as in the use.
As a preferable non-circular structure, a groove 12 for limiting and installing the snap ring 7 is arranged in the threaded press cap 8, and the snap ring 7 and the groove 12 are matched. The snap ring 7 and the groove 12 are of a matched non-circular structure, such as a polygon, a segment shape and the like, so that the snap ring 7 cannot rotate relative to the threaded press cap 8 after being installed in the groove.
Preferably, the inner wall of the nut 1 is provided with a ring groove 13, and the nut 1 is provided with an oil filling channel 14 communicated with the ring groove 13. The ring groove 13 is positioned in the middle of the nut 1 between the chuck 3 and the rotating shaft, lubricating oil is filled into the ring groove 13 through the oil filling channel 14, the chuck 3 and the rotating shaft are lubricated, friction generated during rotation is reduced, abrasion is reduced, and the service life is prolonged.
Claims (3)
1. The utility model provides a high accuracy location is with electric mill chuck assembly, is equipped with ring groove's chuck including nut, surface, and nut one end is connected with the pivot, and the other end is connected with the chuck, and the chuck is located the surface of ring groove below and has offered a plurality of flutings for the conical surface and make it have elastic shrinkage function, its characterized in that: the snap ring of pressing the cap, forming by two hemizonids cooperations including the screw thread, the nut is equipped with the external screw thread with the chuck link, and the nut inner wall is equipped with the conical surface matched with inner conical surface with the chuck, the ring groove joint of snap ring and chuck, the screw thread press the external screw thread screwed connection of cap and nut to compress tightly the snap ring and realize being connected of chuck and nut, and the conical surface of chuck and the laminating of the inner conical surface of nut this moment, the chuck presses the cap through the screw thread to move down and contract gradually under the restriction of inner conical surface with the tightening oppression of nut.
2. The electric grinding chuck assembly for high-precision positioning according to claim 1, wherein: the thread pressing cap is internally provided with a groove for limiting and installing the snap ring, and the snap ring and the groove are of a matched non-circular structure.
3. The electric grinding chuck assembly for high-precision positioning according to claim 1 or 2, wherein: the nut is provided with an annular groove on the inner wall and an oil injection channel communicated with the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121319030.0U CN215092076U (en) | 2021-06-15 | 2021-06-15 | High-precision positioning electric grinding chuck assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121319030.0U CN215092076U (en) | 2021-06-15 | 2021-06-15 | High-precision positioning electric grinding chuck assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215092076U true CN215092076U (en) | 2021-12-10 |
Family
ID=79306047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121319030.0U Active CN215092076U (en) | 2021-06-15 | 2021-06-15 | High-precision positioning electric grinding chuck assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215092076U (en) |
-
2021
- 2021-06-15 CN CN202121319030.0U patent/CN215092076U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |