CN220426863U - Adjustable eccentric spindle for machining - Google Patents
Adjustable eccentric spindle for machining Download PDFInfo
- Publication number
- CN220426863U CN220426863U CN202322105857.7U CN202322105857U CN220426863U CN 220426863 U CN220426863 U CN 220426863U CN 202322105857 U CN202322105857 U CN 202322105857U CN 220426863 U CN220426863 U CN 220426863U
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- eccentric
- disc
- threaded connection
- screw
- main shaft
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- 238000003754 machining Methods 0.000 title claims abstract description 23
- 210000000078 claw Anatomy 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 7
- 230000001788 irregular Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Gripping On Spindles (AREA)
Abstract
The utility model discloses an adjustable eccentric spindle for machining, which comprises a three-jaw chuck, wherein a chuck seat is arranged at the bottom of the three-jaw chuck, an eccentric disc is arranged at the bottom of the chuck seat, a rack penetrates through the middle right side of the bottom of the eccentric disc, a spindle disc is arranged at the bottom of the eccentric disc, second adjustment positions are arranged at the front end and the rear end of the top of the eccentric disc, and first adjustment positions are arranged at the left side and the right side of the eccentric disc. According to the utility model, the locating pin is firstly taken out from the chuck seat and the eccentric disc, the eccentric position is adjusted by translating the position of the eccentric disc, then the locating pin is inserted into the chuck seat and the eccentric disc, the adjustment of the eccentric position can be achieved, and finally the position of the movable claw is moved for clamping, so that the device is flexible and convenient to use, and the irregular object is clamped, and eccentric turning is realized.
Description
Technical Field
The utility model relates to the field of three-jaw chucks, in particular to an adjustable eccentric spindle for machining.
Background
In the process of using the three-jaw chuck, eccentric equipment is widely used for clamping and adjusting a workpiece, the three-jaw chuck refers to a machine tool accessory for clamping and positioning the workpiece by utilizing radial movement of three movable jaws uniformly distributed on a chuck body, the three-jaw chuck consists of the chuck body, the movable jaws and a jaw driving mechanism, threads below three jaw guiding parts on the three-jaw chuck are meshed with planar threads on the back of a disk bevel gear, when a wrench rotates the bevel pinion through a square hole, the disk gear rotates, the planar threads on the back simultaneously drive the three jaws to approach or withdraw from the center for clamping workpieces with different diameters, and an eccentric main shaft is also applied to the use of the three-jaw chuck.
At present, flexible eccentric equipment is needed to clamp and adjust workpieces in the use process of the three-jaw chuck, so that the three-jaw chuck is convenient to use, but when the existing three-jaw chuck is used, the existing three-jaw chuck can only clamp at the central position generally, the irregular workpieces cannot be clamped, eccentric turning is not flexible enough to use and has limitation, and therefore the adjustable eccentric main shaft for machining is improved.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an adjustable eccentric main shaft for machining.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an eccentric main shaft is used in processing with adjustable, includes three-jaw chuck, the bottom of three-jaw chuck is provided with the chuck seat, the bottom of chuck seat is provided with the eccentric dish, right side runs through and is provided with the rack in the middle of the bottom of eccentric dish, the bottom of eccentric dish is provided with the main shaft dish, both ends all are provided with the second adjustment department around the top of eccentric dish, the left and right sides of eccentric dish all is provided with first adjustment department, the second adjustment department with the inner wall of first adjustment department all runs through and sliding connection has first screw and main shaft dish run through and threaded connection, the top front end of main shaft dish runs through and is connected with the gear, the inner wall of gear runs through and threaded connection has sixth screw and main shaft dish run through and rotate and be connected, the middle connecting piece that runs through of bottom of main shaft dish, the outer wall bottom of connecting piece runs through and fixedly connected with the main shaft, the top of connecting piece runs through and threaded connection has fifth screw and main shaft run through and threaded connection, seven and evenly run through and threaded connection with the fourth screw and fourth screw run through and threaded connection with the top of main shaft dish.
As a further description of the above technical solution:
the inner wall of the three-jaw chuck penetrates through and is connected with movable jaws in a sliding manner.
As a further description of the above technical solution:
the bottom of the chuck base penetrates through and is in threaded connection with a third screw, and the third screw penetrates through and is in threaded connection with the three-jaw chuck.
As a further description of the above technical solution:
the top of the chuck seat penetrates through and is in threaded connection with second screws which are uniformly distributed, and the second screws penetrate through and are in threaded connection with the eccentric disc.
As a further description of the above technical solution:
the bottom of the rack is penetrated and in threaded connection with an eighth screw which is penetrated and in threaded connection with the eccentric disc.
As a further description of the above technical solution:
the gear is connected with the rack in a meshed manner.
As a further description of the above technical solution:
the left and right sides of the top of the chuck seat penetrate and are connected with positioning pins in a sliding manner, and the positioning pins penetrate and are connected with the eccentric disc in a sliding manner.
As a further description of the above technical solution:
the top front end of the eccentric disc is provided with a scale.
The utility model has the following beneficial effects:
according to the utility model, the locating pin is firstly taken out from the chuck seat and the eccentric disc, the eccentric position is adjusted by translating and adjusting the position of the eccentric disc and combining with the shape of a workpiece to be processed, and the eccentric position is accurately adjusted according to scales, then the locating pin is inserted on the chuck seat and the eccentric disc, and the eccentric position can be adjusted, then the position of the movable claw is moved to clamp, the movable claw is of the existing structure, the use is flexible and convenient, the irregular object is clamped, and the eccentric turning is realized.
Drawings
FIG. 1 is a perspective view of an adjustable eccentric spindle for machining according to the present utility model;
FIG. 2 is a side view of an adjustable eccentric spindle for machining according to the present utility model;
FIG. 3 is a top view of an adjustable eccentric spindle for machining according to the present utility model;
FIG. 4 is a cross-sectional view of a rack of an adjustable eccentric spindle for machining according to the present utility model;
FIG. 5 is a cross-sectional view of a gear of an adjustable eccentric spindle for machining according to the present utility model;
FIG. 6 is a schematic diagram of an eccentric disc structure of an adjustable eccentric spindle for machining according to the present utility model;
fig. 7 is a sectional view of an eccentric disc of an adjustable eccentric spindle for machining according to the present utility model.
Legend description:
1. a three-jaw chuck; 2. a chuck base; 3. a spindle disc; 4. an eccentric disc; 5. a main shaft; 6. a movable claw; 7. a positioning pin; 8. a first adjustment; 9. a rack; 10. a first screw; 11. a second screw; 12. a gear; 13. a scale; 14. a second adjustment position; 15. a third screw; 16. a fourth screw; 17. a fifth screw; 18. a sixth screw; 19. an eighth screw; 20. a seventh screw; 21. and a connecting piece.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-7, one embodiment provided by the present utility model is: an adjustable eccentric spindle for machining comprises a three-jaw chuck 1, a chuck seat 2 is arranged at the bottom of the three-jaw chuck 1, an eccentric disc 4 is arranged at the bottom of the chuck seat 2, when the three-jaw chuck is used, adjustable eccentric equipment for machining is needed, when a workpiece is in an irregular shape, the eccentric position is needed to be adjusted, a positioning pin 7 is firstly taken out from the chuck seat 2 and the eccentric disc 4, a rack 9 penetrates through the middle right side of the bottom of the eccentric disc 4 and is arranged at the bottom of the eccentric disc 4, a main shaft disc 3 is arranged at the bottom of the eccentric disc 4, second adjusting positions 14 are arranged at the front end and the rear end of the top of the eccentric disc 4, first adjusting positions 8 are arranged at the left side and the right side of the eccentric disc 4, first screws 10 penetrate through and are slidingly connected with the inner walls of the second adjusting positions 14 and the first adjusting positions 8, the first screws 10 penetrate through and are in threaded connection with the main shaft disc 3, the eccentric position is adjusted by translating and adjusting the position of the eccentric disc 4 and combining the workpiece shape to be processed, and accurate adjustment is carried out according to the scale 13, the front end of the top of the main shaft disc 3 is penetrated and rotationally connected with the gear 12, the inner wall of the gear 12 is penetrated and threadedly connected with the sixth screw 18, the sixth screw 18 is penetrated and rotationally connected with the main shaft disc 3, the middle of the bottom of the main shaft disc 3 is penetrated and provided with the connecting piece 21, the bottom of the outer wall of the connecting piece 21 is penetrated and fixedly connected with the main shaft 5, the top of the connecting piece 21 is penetrated and threadedly connected with the fifth screw 17, the fifth screw 17 is penetrated and threadedly connected with the main shaft 5, the top of the main shaft disc 3 is penetrated and threadedly connected with the seventh screw 20, the seventh screw 20 is penetrated and threadedly connected with the main shaft 5, the top of the spindle disk 3 is penetrated and screwed with fourth screws 16 which are uniformly distributed, and the fourth screws 16 are penetrated and screwed with the spindle 5.
The inner wall of three-jaw chuck 1 runs through and sliding connection has movable jack catch 6, the bottom of chuck seat 2 runs through and threaded connection has third screw 15 and three-jaw chuck 1 run through and threaded connection, the top of chuck seat 2 runs through and threaded connection has evenly distributed second screw 11 and eccentric disc 4 run through and threaded connection, the bottom of rack 9 runs through and threaded connection has eighth screw 19 and eccentric disc 4 run through and threaded connection, gear 12 and rack 9 meshing are connected, the top left and right sides of chuck seat 2 runs through and sliding connection has locating pin 7 and eccentric disc 4 run through and sliding connection, the top front end of eccentric disc 4 is provided with scale 13, insert locating pin 7 on chuck seat 2 and the eccentric disc 4 just can reach the adjustment of eccentric position, the position of movable jack catch 6 carries out the centre gripping at last, movable jack catch 6 realizes being current structure, it is nimble convenient to use, carry out centre gripping to reach to the irregular object, realize the turning.
Working principle: when the three-jaw chuck is used, an adjustable eccentric device for machining is needed, when a workpiece is in an irregular shape, the eccentric position is needed to be adjusted, firstly, the positioning pin 7 is taken out from the chuck seat 2 and the eccentric disc 4, the eccentric position is adjusted by translating and adjusting the position of the eccentric disc 4 and combining the shape of the workpiece to be machined, the accurate adjustment is carried out according to the scales 13, then, the positioning pin 7 is inserted onto the chuck seat 2 and the eccentric disc 4, the eccentric position can be adjusted, finally, the position of the movable jaw 6 is moved to clamp, the movable jaw 6 is of the existing structure, the use is flexible and convenient, the irregular object is clamped, and the eccentric turning is realized.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides an eccentric main shaft is used in processing with adjustable, includes three claw chuck (1), its characterized in that: the three-jaw chuck is characterized in that a chuck seat (2) is arranged at the bottom of the three-jaw chuck (1), an eccentric disc (4) is arranged at the bottom of the chuck seat (2), a rack (9) is arranged at the right side penetrating through the bottom of the eccentric disc (4), a main shaft disc (3) is arranged at the bottom of the eccentric disc (4), second adjusting parts (14) are arranged at the front end and the rear end of the top of the eccentric disc (4), first adjusting parts (8) are arranged at the left side and the right side of the eccentric disc (4), a first screw (10) is arranged on the inner wall of the second adjusting parts (14) and the inner wall of the first adjusting parts (8) in a penetrating and sliding manner, the first screw (10) is in penetrating and threaded connection with the main shaft disc (3), a gear (12) is in penetrating and rotating connection with the front end of the top of the main shaft disc (3), a sixth screw (18) is in penetrating and rotating connection with the main shaft disc (3), a fifth screw (21) is arranged at the bottom of the middle of the main shaft disc (3) and is in penetrating and is in threaded connection with the top of the main shaft disc (3), a fifth screw (17) is in penetrating and is in threaded connection with the top part (17), the top of the main shaft disc (3) penetrates through and is in threaded connection with a seventh screw (20), the seventh screw (20) penetrates through and is in threaded connection with the main shaft (5), and the top of the main shaft disc (3) penetrates through and is in threaded connection with fourth screws (16) which are uniformly distributed, and the fourth screws (16) penetrate through and are in threaded connection with the main shaft (5).
2. An adjustable eccentric spindle for machining according to claim 1, wherein: the inner wall of the three-jaw chuck (1) penetrates through and is connected with movable jaws (6) in a sliding manner.
3. An adjustable eccentric spindle for machining according to claim 1, wherein: the bottom of the chuck base (2) is penetrated and in threaded connection with a third screw (15), and the third screw (15) is penetrated and in threaded connection with the three-jaw chuck (1).
4. An adjustable eccentric spindle for machining according to claim 1, wherein: the top of the chuck seat (2) penetrates through and is in threaded connection with second screws (11) which are uniformly distributed, and the second screws (11) penetrate through and are in threaded connection with the eccentric disc (4).
5. An adjustable eccentric spindle for machining according to claim 1, wherein: the bottom of the rack (9) is penetrated and in threaded connection with an eighth screw (19), and the eighth screw (19) is penetrated and in threaded connection with the eccentric disc (4).
6. An adjustable eccentric spindle for machining according to claim 1, wherein: the gear (12) is meshed with the rack (9).
7. An adjustable eccentric spindle for machining according to claim 1, wherein: the left and right sides of the top of the chuck seat (2) penetrate and are connected with positioning pins (7) in a sliding manner, and the positioning pins (7) penetrate and are connected with the eccentric disc (4) in a sliding manner.
8. An adjustable eccentric spindle for machining according to claim 1, wherein: the front end of the top of the eccentric disc (4) is provided with a scale (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322105857.7U CN220426863U (en) | 2023-08-07 | 2023-08-07 | Adjustable eccentric spindle for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322105857.7U CN220426863U (en) | 2023-08-07 | 2023-08-07 | Adjustable eccentric spindle for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220426863U true CN220426863U (en) | 2024-02-02 |
Family
ID=89699791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322105857.7U Active CN220426863U (en) | 2023-08-07 | 2023-08-07 | Adjustable eccentric spindle for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220426863U (en) |
-
2023
- 2023-08-07 CN CN202322105857.7U patent/CN220426863U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |