CN212526096U - Taper shank type precision adjustable clamp - Google Patents
Taper shank type precision adjustable clamp Download PDFInfo
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- CN212526096U CN212526096U CN202021291167.5U CN202021291167U CN212526096U CN 212526096 U CN212526096 U CN 212526096U CN 202021291167 U CN202021291167 U CN 202021291167U CN 212526096 U CN212526096 U CN 212526096U
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Abstract
The application relates to a taper shank type precision adjustable clamp which comprises a flange taper shank, a connecting flange, an adjusting sleeve and a chuck, wherein the flange taper shank, the connecting flange, the adjusting sleeve and the chuck are sequentially and coaxially connected; the flange taper shank is fixedly connected with one axial end of the connecting flange, and the other end of the connecting flange is fixedly provided with a circular protruding part coaxial with the connecting flange; the adjusting sleeve is sleeved on the circular protruding part, and a gap is formed between the adjusting sleeve and the circular protruding part; the chuck is fixedly connected with the adjusting sleeve; wherein, be provided with a plurality of adjustment screw on the outer wall of adjustment cover, a plurality of adjustment screw all runs through the thickness setting of adjustment cover and distributes along the circumference of adjustment cover, and the equal threaded connection of each adjustment screw has the adjusting bolt that can offset with the lateral wall of lobe. Because the adjusting sleeve and the circular protruding part are provided with a gap, the excircle of the workpiece clamped on the chuck can be adjusted to jump through the adjusting bolt, so that higher radial jumping precision is obtained, and the effect of obtaining higher workpiece processing precision is achieved.
Description
Technical Field
The application relates to the field of clamps, in particular to a taper shank type precision-adjustable clamp.
Background
The chuck is a mechanical device used for clamping a workpiece on a machine tool and generally comprises a chuck body, a movable jaw and a jaw driving mechanism. The center of the chuck body is provided with a through hole so as to pass through a workpiece or a bar material; the back part is provided with a cylindrical or short conical structure and is connected with the end part of a main shaft of the machine tool directly or through a flange plate. The chuck can be divided into a two-jaw chuck, a three-jaw chuck, a four-jaw chuck, a six-jaw chuck and a special chuck from the chuck jaws, is usually installed on a lathe, a cylindrical grinding machine and an internal grinding machine for use, and can also be matched with various indexing devices for use on a milling machine and a drilling machine.
However, the clamping accuracy of the conventional chuck is limited, and the clamping accuracy of the chuck must be controlled in order to obtain higher machining accuracy, so that a new chuck structure having higher clamping accuracy is required.
SUMMERY OF THE UTILITY MODEL
In order to obtain higher work piece machining precision, this application provides an adjustable anchor clamps of taper shank formula precision.
The application provides a taper shank type precision adjustable clamp adopts following technical scheme:
a taper shank type precision adjustable clamp comprises a flange taper shank, a connecting flange, an adjusting sleeve and a chuck which are sequentially and coaxially connected; the flange taper shank is fixedly connected with one axial end of the connecting flange, and the other end of the connecting flange is fixedly provided with a circular protruding part coaxial with the connecting flange; the adjusting sleeve is sleeved on the circular protruding part, and a gap is formed between the adjusting sleeve and the circular protruding part; the chuck is fixedly connected with the adjusting sleeve;
the outer wall of the adjusting sleeve is provided with a plurality of adjusting screw holes, the adjusting screw holes penetrate through the thickness of the adjusting sleeve and are distributed along the circumferential direction of the adjusting sleeve, and each adjusting screw hole is connected with an adjusting bolt which can abut against the outer side wall of the circular protruding portion in a threaded mode.
Through adopting above-mentioned technical scheme, chuck and adjusting sleeve fixed connection because have the clearance between adjusting sleeve and the lobe, so just can adjust the position of cutting ferrule for the lobe through adjusting bolt to the excircle of the work piece of adjustment centre gripping on the chuck is beated, in order to obtain higher radial runout precision, has the advantage that can obtain higher work piece machining precision.
Preferably, the connecting flange is provided with through holes, one end of the adjusting sleeve, which is close to the connecting flange, is provided with threaded holes corresponding to the through holes, and the through holes and the threaded holes are provided with a plurality of through holes and the threaded holes are in one-to-one correspondence; and each through hole is internally provided with a fastening bolt which is in threaded connection with the corresponding threaded hole and the head of which can be tightly abutted against the connecting flange, and the inner diameter of each through hole is larger than the outer diameter of the rod part of each fastening bolt.
By adopting the technical scheme, after the outer circle of the workpiece on the chuck is adjusted to jump through the adjusting bolt, the connecting flange and the adjusting sleeve are firmly fixed through the fastening bolt, so that the connection stability between the adjusting sleeve and the connecting flange can be ensured, and the processing precision is further ensured. In addition, because the inner diameter of the through hole is larger than the outer diameter of the rod part of the fastening bolt, when the accuracy of the adjustment bolt is adjusted, the fastening bolt is firstly unscrewed so that the fastening bolt does not abut against the connecting flange, the adjustment of the adjustment bolt can not be influenced, and the fastening bolt is screwed after the adjustment is finished.
Preferably, the through hole is provided as a counter bore adapted to the fastening bolt.
By adopting the technical scheme, the interference of the protrusions of the fastening bolts can be avoided, and the flatness of the end face of the connecting flange is ensured.
Preferably, the adjusting sleeve is provided with a connecting through hole along the axis direction, one end of the chuck close to the adjusting sleeve is provided with a connecting screw hole corresponding to the connecting through hole, the connecting through hole and the connecting screw hole are both provided with a plurality of connecting through holes, and the connecting through holes and the connecting screw holes are in one-to-one correspondence; and each connecting through hole is internally provided with a connecting bolt which is in threaded connection with the corresponding connecting screw hole and the head of which is tightly propped against the adjusting sleeve in a penetrating way.
Through adopting above-mentioned technical scheme, can firmly fix adjustment cover and chuck and can not take place relative displacement through a plurality of connecting bolt, and then make the position of adjusting the adjustment cover through adjusting bolt promptly be the position of having adjusted the chuck, guaranteed the adjustment progress, and then also help the regulation to machining precision.
Preferably, the connecting through hole is a counter bore matched with the connecting bolt.
Through adopting above-mentioned technical scheme, its head sinks in the counter bore after connecting bolt screws up to guaranteed the level and smooth of adjusting sleeve terminal surface, and then guaranteed that adjusting sleeve and flange have a great area of contact, avoided adjusting the relative displacement of taking place again of precision back adjusting sleeve and flange.
Preferably, the one end that the adjustment cover is close to the chuck is fixed to be provided with the circular snap ring with the adjustment cover coaxial line, the one end that the chuck is close to the adjustment cover is provided with the annular of stepping down that supplies circular snap ring card to go into.
By adopting the technical scheme, the connection between the adjusting sleeve and the chuck is more stable, and the adjusting sleeve and the chuck move synchronously when the adjusting precision is ensured.
Preferably, the outer side wall of the circular clamping ring and the end face, far away from the adjusting sleeve, of the circular clamping ring form arc transition.
Through adopting above-mentioned technical scheme, the circular snap ring of being convenient for is quick the card to be gone into to the annular of stepping down.
Preferably, an arc transition is formed between the outer side wall of the circular protrusion and the end face, far away from the connecting flange, of the circular protrusion.
Through adopting above-mentioned technical scheme, the circular protrusion of being convenient for is quick the card to be gone into in the annular of stepping down.
Drawings
FIG. 1 is a schematic overall structure diagram of a taper shank type precision adjustable clamp according to an embodiment of the present application;
FIG. 2 is an exploded view of an embodiment of the present application showing a taper shank type precision adjustable clamp;
fig. 3 is an exploded view of another view of the taper shank type adjustable-precision clamp according to the embodiment of the present application.
Description of reference numerals: 1. a flange taper shank; 2. a connecting flange; 21. a circular protrusion; 22. perforating; 23. fastening the bolt; 3. an adjusting sleeve; 31. adjusting the screw hole; 32. adjusting the bolt; 33. a threaded hole; 34. a connecting through hole; 35. a connecting bolt; 36. a circular snap ring; 4. a chuck; 41. a connecting screw hole; 42. and a yielding ring groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses adjustable anchor clamps of taper shank formula precision. Referring to fig. 1, the taper shank type precision adjustable clamp comprises a flange taper shank 1, a connecting flange 2, an adjusting sleeve 3 and a chuck 4 which are sequentially arranged and coaxially connected.
Referring to fig. 2 and 3, the flange taper shank 1 is fixedly connected with one axial end of the connecting flange 2, the other end of the connecting flange 2 is fixedly provided with a circular protrusion 21 coaxial with the connecting flange, and the outer side wall of the circular protrusion 21 and the end face of the circular protrusion 21 far away from the connecting flange 2 are in arc transition. The adjusting sleeve 3 is annular, the adjusting sleeve 3 is sleeved on the circular protrusion 21, a gap is formed between the adjusting sleeve 3 and the circular protrusion 21, in other words, the inner diameter of the adjusting sleeve 3 is larger than the outer diameter of the circular protrusion 21.
Referring to fig. 2, a plurality of adjusting screw holes 31 are formed in the outer wall of the adjusting sleeve 3, and the plurality of adjusting screw holes 31 penetrate through the thickness of the adjusting sleeve 3 and are uniformly distributed along the circumferential direction of the adjusting sleeve 3. Each of the adjustment screw holes 31 is threadedly connected with an adjustment bolt 32 capable of abutting against the outer side wall of the circular protrusion 21. The quantity of adjustment screw 31 equals and the position one-to-one with the quantity of the movable jack catch on the chuck 4, for example when chuck 4 is four-jaw chuck 4, the quantity of adjustment screw 31 is provided with 4, 4 adjustment screw 31 along the circumference evenly distributed of adjusting sleeve 3.
Referring to fig. 2, a through hole 22 is formed in the connecting flange 2, a threaded hole 33 corresponding to the through hole 22 is formed in an end face of the adjusting sleeve 3 close to one end of the connecting flange 2, and the through hole 22 and the threaded hole 33 are provided in a plurality and the through hole 22 and the threaded hole 33 are in one-to-one correspondence. Each through hole 22 is penetrated by a fastening bolt 23 in threaded connection with the corresponding threaded hole 33, specifically, the through hole 22 is a counter bore matched with the fastening bolt 23, the diameter of the head of the fastening bolt 23 is smaller than that of the large end of the counter bore and larger than that of the small end of the counter bore, the diameter of the rod part of the fastening bolt 23 is smaller than that of the small end of the counter bore, and after the fastening bolt 23 is screwed, the head of the fastening bolt 23 is positioned in the large end of the counter bore and abuts against the inner wall of the counter bore.
Referring to fig. 2 and 3, a circular snap ring 36 coaxial with the adjusting sleeve 3 is fixedly arranged at one end of the adjusting sleeve 3 close to the chuck 4, and an abdicating ring groove 42 for the circular snap ring 36 to be clamped is arranged at one end of the chuck 4 close to the adjusting sleeve 3. The outer side wall of the circular snap ring 36 and the end face, away from the adjusting sleeve 3, of the circular snap ring 36 form an arc transition, so that the circular snap ring 36 can be clamped into the abdicating ring groove 42 more conveniently.
Referring to fig. 2, a connecting through hole 34 is formed in the adjusting sleeve 3 along the axial direction thereof, a connecting screw hole 41 corresponding to the connecting through hole 34 is formed in one end of the chuck 4 close to the adjusting sleeve 3, the connecting through hole 34 and the connecting screw hole 41 are both provided in plurality, and the connecting through hole 34 and the connecting screw hole 41 correspond to each other one by one. The connecting screw holes 41 are located at the periphery of the abdicating ring groove 42, and each connecting through hole 34 is penetrated with a connecting bolt 35 which is in threaded connection with the corresponding connecting screw hole 41. The connecting through hole 34 is a counter bore matched with the connecting bolt 35, and after the connecting bolt 35 is screwed, the head of the connecting bolt 35 is positioned in the connecting through hole 34 and is tightly propped against the large end of the connecting through hole 34, so that the chuck 4 and the adjusting sleeve 3 are firmly fixed.
The implementation principle of the taper shank type precision-adjustable clamp provided by the embodiment of the application is as follows: the flange taper shank 1 is used for being inserted into a taper hole of a main shaft of a machine tool to be fixed, and centering is guaranteed. The adjusting sleeve 3 is provided with an adjusting screw hole 31 and an adjusting bolt 32 in the radial direction, and a certain gap is formed between the adjusting sleeve 3 and the circular protruding part 21 of the connecting flange 2. The chuck 4 is mounted on the adjusting sleeve 3, and the end face is fixed by a connecting bolt 35. Because the adjusting sleeve 3 and the circular protruding part 21 of the connecting flange 2 have a gap, the outer circle run-out of the workpiece clamped on the chuck 4 can be adjusted by adjusting the adjusting bolt 32 in the radial direction of the adjusting sleeve 3, so that high radial run-out precision is obtained. After the adjustment, the fastening bolts 23 at the end of the connecting flange 2 are tightened.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an adjustable anchor clamps of taper shank formula precision which characterized in that: comprises a flange taper shank (1), a connecting flange (2), an adjusting sleeve (3) and a chuck (4) which are arranged in sequence and coaxially connected; the flange taper shank (1) is fixedly connected with one axial end of the connecting flange (2), and the other end of the connecting flange (2) is fixedly provided with a circular protruding part (21) coaxial with the connecting flange; the adjusting sleeve (3) is sleeved on the circular protrusion part (21) and a gap is formed between the adjusting sleeve (3) and the circular protrusion part (21); the chuck (4) is fixedly connected with the adjusting sleeve (3);
wherein, be provided with a plurality of adjustment screw (31) on the outer wall of adjustment cover (3), a plurality of adjustment screw (31) all run through the thickness setting of adjustment cover (3) and distribute along the circumference of adjustment cover (3), each equal threaded connection of adjustment screw (31) has adjusting bolt (32) that can offset with the lateral wall of lobe (21).
2. The taper shank type precision adjustable clamp according to claim 1, wherein: the connecting flange (2) is provided with through holes (22), one end, close to the connecting flange (2), of the adjusting sleeve (3) is provided with threaded holes (33) corresponding to the through holes (22), the through holes (22) and the threaded holes (33) are both provided with a plurality of through holes (22), and the through holes (22) correspond to the threaded holes (33) one by one; and a fastening bolt (23) which is in threaded connection with the corresponding threaded hole (33) and the head of which can be tightly propped against the connecting flange (2) penetrates through each through hole (22), and the inner diameter of each through hole (22) is larger than the outer diameter of the rod part of each fastening bolt (23).
3. The taper shank type precision adjustable clamp according to claim 2, wherein: the through hole (22) is provided as a counter bore which is matched with the fastening bolt (23).
4. The taper shank type precision adjustable clamp according to claim 1, wherein: a connecting through hole (34) is formed in the adjusting sleeve (3) along the axis direction of the adjusting sleeve, a connecting screw hole (41) corresponding to the connecting through hole (34) is formed in one end, close to the adjusting sleeve (3), of the chuck (4), a plurality of connecting through holes (34) and connecting screw holes (41) are formed in the connecting through holes (34) and the connecting screw holes (41), and the connecting through holes (34) and the connecting screw holes (41) correspond to each other one by one; and a connecting bolt (35) which is in threaded connection with the corresponding connecting screw hole (41) and the head of which is tightly propped against the adjusting sleeve (3) is arranged in each connecting through hole (34) in a penetrating way.
5. The taper shank type precision adjustable clamp according to claim 4, wherein: the connecting through hole (34) is arranged as a counter bore matched with the connecting bolt (35).
6. The taper shank type precision adjustable clamp according to claim 4, wherein: the one end that adjustment cover (3) are close to chuck (4) is fixed be provided with circular snap ring (36) of adjustment cover (3) coaxial line, the one end that chuck (4) are close to adjustment cover (3) is provided with the annular of stepping down (42) that supply circular snap ring (36) card to go into.
7. The taper shank type precision adjustable clamp according to claim 6, wherein: the outer side wall of the round snap ring (36) and the end face, far away from the adjusting sleeve (3), of the round snap ring (36) are in arc transition.
8. The taper shank type precision adjustable clamp according to claim 1, wherein: the outer side wall of the circular protruding part (21) and the end face, far away from the connecting flange (2), of the circular protruding part (21) are in arc transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021291167.5U CN212526096U (en) | 2020-07-04 | 2020-07-04 | Taper shank type precision adjustable clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021291167.5U CN212526096U (en) | 2020-07-04 | 2020-07-04 | Taper shank type precision adjustable clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212526096U true CN212526096U (en) | 2021-02-12 |
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ID=74521271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021291167.5U Active CN212526096U (en) | 2020-07-04 | 2020-07-04 | Taper shank type precision adjustable clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212526096U (en) |
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2020
- 2020-07-04 CN CN202021291167.5U patent/CN212526096U/en active Active
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