CN210848382U - High-precision numerical control automatic aligning clamp - Google Patents
High-precision numerical control automatic aligning clamp Download PDFInfo
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- CN210848382U CN210848382U CN201921827930.9U CN201921827930U CN210848382U CN 210848382 U CN210848382 U CN 210848382U CN 201921827930 U CN201921827930 U CN 201921827930U CN 210848382 U CN210848382 U CN 210848382U
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Abstract
The high-precision numerical control automatic aligning clamp comprises a three-jaw chuck, wherein the three-jaw chuck is provided with three jaw blocks, aligning jaws are arranged on the jaw blocks, concave platforms are formed on the front end surfaces of the inner ends of the jaw blocks, and slots are formed on the side walls of the concave platforms; the aligning clamping jaw comprises a movable clamping block which is inverted Y-shaped, the movable clamping block is abutted against the bottom surface of a concave platform of the clamping jaw block, an insertion block is formed on the upper end surface of the movable clamping block and is inserted into a slot of the clamping jaw block, a positioning pin is inserted into the insertion block, two ends of the positioning pin are inserted into the clamping jaw block, a first gap is formed between the upper end surface of the insertion block and the bottom surface of the slot of the clamping jaw block, and a second gap is formed between the upper end surface of the movable clamping block and the side wall of the concave platform of the clamping jaw block. The three-jaw chuck is rectified and improved; after the clamp clamps the semi-finished product of the bearing ring, the eccentricity of the semi-finished product can be reduced, and meanwhile, the semi-finished product is firmly clamped in the clamp and cannot be separated from the three-jaw chuck.
Description
The technical field is as follows:
the utility model relates to a technical field of bearing processing equipment, more specifically say and relate to automatic aligning anchor clamps of high accuracy numerical control.
Background art:
the bearing is an important part in the modern mechanical equipment. The bearing mainly has the functions of supporting a mechanical rotating body and reducing the friction coefficient in the movement process, the conventional bearing consists of an outer ring, an inner ring, a retainer and steel balls, the outer ring and the inner ring of the bearing are collectively called a ferrule, and the ferrule is turned into a finished product by turning after being forged into an annular semi-finished product by a bar stock; at present, the roundness of a semi-finished product to be turned is generally not ideal, turning equipment is a conventional numerical control lathe, after the semi-finished product is clamped by a three-jaw chuck on the numerical control lathe, the semi-finished product and a turning main shaft of the numerical control lathe are relatively seriously eccentric, and meanwhile, clamping firmness of a clamping jaw is not high when the eccentric semi-finished product is clamped.
The utility model has the following contents:
the utility model discloses an it is exactly not enough to prior art, and provide the automatic aligning anchor clamps of high accuracy numerical control, its anchor clamps centre gripping bearing ring semi-manufactured goods back can reduce the eccentric condition of semi-manufactured goods, and semi-manufactured goods centre gripping fastness can not break away from with three-jaw chuck in anchor clamps simultaneously.
The high-precision numerical control automatic aligning clamp comprises a three-jaw chuck, wherein the three-jaw chuck is provided with three jaw blocks, aligning jaws are arranged on the jaw blocks, concave platforms are formed on the front end surfaces of the inner ends of the jaw blocks, and slots are formed on the side walls of the concave platforms; the aligning clamping jaw comprises an inverted Y-shaped movable clamping block, the movable clamping block abuts against the bottom surface of a concave table of the clamping jaw block, an insertion block is formed on the upper end surface of the movable clamping block and is inserted into a slot of the clamping jaw block, a positioning pin is inserted into the insertion block, two ends of the positioning pin are inserted into the clamping jaw block, a first gap is formed between the upper end surface of the insertion block and the bottom surface of the slot of the clamping jaw block, and a second gap is formed between the upper end surface of the movable clamping block and the side wall of the concave table of the clamping jaw block;
the lower end faces of two ends of the clamping jaw block abut against the fixed clamping block, the upper end face of the fixed clamping block abuts against the stop block, a first screw is inserted into the stop block, and the first screw penetrates through the stop block and is screwed into the movable clamping block; the fixed clamping block is inserted with a second screw, the second screw is screwed in the movable clamping block, and a plurality of conical pressing teeth are formed on the lower end face of the fixed clamping block.
Preferably, a plurality of adjusting grooves are formed in the fixed clamping block, and the second screws are inserted into the adjusting grooves of the fixed clamping block.
Preferably, the stop block is screwed with an adjusting bolt, and the tail end of the adjusting bolt abuts against the upper end face of the fixed clamping block.
Preferably, the width of the first gap between the jaw block and the movable clamping block is equal to the width of the second gap.
Preferably, the width of the second gap between the jaw block and the movable clamping block is smaller than the width of the upper end of the movable clamping block.
Preferably, the distance from the inner side edge of the side wall of the concave table of the clamping jaw block to the positioning pin is greater than the distance from the upper end face of the movable clamping block to the positioning pin.
Preferably, a plurality of lightening holes are formed in the movable clamping block.
The beneficial effects of the utility model reside in that:
the three-jaw chuck is rectified and improved; after the clamp clamps the semi-finished product of the bearing ring, the eccentricity of the semi-finished product can be reduced, and meanwhile, the semi-finished product is firmly clamped in the clamp and cannot be separated from the three-jaw chuck.
Description of the drawings:
fig. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a front view of the present invention.
In the figure: 1. a three-jaw chuck; 2. a jaw block; 21. a concave platform; 22. a slot; 3. aligning clamping jaws; 31. a movable clamping block; 311. inserting a block; 312. lightening holes; 32. fixing the clamping block; 321. an adjustment groove; 322. pressing teeth; 33. a stopper; 34. a second screw; 35. a first screw; 36. and adjusting the bolt.
The specific implementation mode is as follows:
example (b): as shown in fig. 1 to 3, the high-precision numerical control automatic aligning fixture comprises a three-jaw chuck 1, wherein the three-jaw chuck 1 is provided with three jaw blocks 2, aligning jaws 3 are arranged on the jaw blocks 2, concave platforms 21 are formed on the front end surfaces of the inner ends of the jaw blocks 2, and slots 22 are formed on the side walls of the concave platforms 21; the aligning clamping jaw 3 comprises an inverted Y-shaped movable clamping block 31, the movable clamping block 31 abuts against the bottom surface of the concave table 21 of the clamping jaw block 2, an insertion block 311 is formed on the upper end surface of the movable clamping block 31, the insertion block 311 is inserted into an insertion groove 22 of the clamping jaw block 2, a positioning pin 37 is inserted into the insertion block 311, two ends of the positioning pin 37 are inserted into the clamping jaw block 2, a first gap a is formed between the upper end surface of the insertion block 311 and the bottom surface of the insertion groove 22 of the clamping jaw block 2, and a second gap b is formed between the upper end surface of the movable clamping block 31 and the side wall of the concave table 21 of the clamping jaw block 2;
the lower end faces of two ends of the clamping jaw block 2 abut against the fixed clamping block 32, the upper end face of the fixed clamping block 32 abuts against the stop block 33, the stop block 33 is inserted with a first screw 35, and the first screw 35 penetrates through the stop block 33 and is screwed in the movable clamping block 31; the fixed clamping block 32 is inserted with a second screw 34, the second screw 34 is screwed in the movable clamping block 31, and the lower end surface of the fixed clamping block 32 is formed with a plurality of conical pressing teeth 322.
Preferably, a plurality of adjusting grooves 321 are formed on the fixed clamping block 32, and the second screw 34 is inserted into the adjusting grooves 321 of the fixed clamping block 32.
Preferably, the stop 33 is screwed with an adjusting bolt 36, and the end of the adjusting bolt 36 abuts against the upper end surface of the fixed clamping block 32.
Preferably, the width of the first gap a between the jaw block 2 and the movable clamping block 31 is equal to the width of the second gap b.
Preferably, the width of the second gap b between the jaw block 2 and the movable clamping block 31 is smaller than the width of the upper end of the movable clamping block 31.
Preferably, the distance from the inner side edge of the side wall of the concave table 21 of the jaw block 2 to the positioning pin 37 is greater than the distance from the upper end face of the movable clamping block 31 to the positioning pin 37.
Preferably, a plurality of lightening holes 312 are formed on the movable clamping block 31.
The working principle is as follows: the utility model relates to a high-precision numerical control automatic aligning clamp, the technical point of the automatic aligning clamp is two points, the first point, a second clearance b and a first clearance a are arranged between a movable clamping block 31 and a clamping jaw block 2 of an aligning clamping jaw 3, the movable clamping block 31 can rotate in a small range of the clamping jaw block 2, thereby when a fixed clamping block 32 clamps a semi-finished product of a ferrule, the movable clamping block can correspondingly rotate to reduce the small interval of the semi-finished product;
a second point, a plurality of fixed clamping blocks 32 are additionally arranged, and the fixed clamping blocks 32 are contacted with the semi-finished ferrule; and the conical pressing teeth 322 are arranged, and the pressing teeth 322 can be pressed into the ferrule semi-finished product, so that the connection strength of the three-jaw chuck and the clamping piece can be enhanced.
The examples are intended to be illustrative, but not limiting, of the invention. The embodiments can be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.
Claims (7)
1. High-precision numerical control automatic aligning clamp comprises a three-jaw chuck (1), wherein the three-jaw chuck (1) is provided with three jaw blocks (2) and is characterized in that: the self-aligning clamping jaw (3) is arranged on the clamping jaw block (2), a concave platform (21) is formed on the front end face of the inner end of the clamping jaw block (2), and a slot (22) is formed on the side wall of the concave platform (21); the aligning clamping jaw (3) comprises an inverted Y-shaped movable clamping block (31), the movable clamping block (31) abuts against the bottom surface of a concave table (21) of the clamping jaw block (2), an insertion block (311) is formed on the upper end surface of the movable clamping block (31), the insertion block (311) is inserted into an insertion groove (22) of the clamping jaw block (2), a positioning pin (37) is inserted into the insertion block (311), two ends of the positioning pin (37) are inserted into the clamping jaw block (2), a first gap (a) is formed between the upper end surface of the insertion block (311) and the bottom surface of the insertion groove (22) of the clamping jaw block (2), and a second gap (b) is formed between the upper end surface of the movable clamping block (31) and the side wall of the concave table (21) of the clamping jaw block (2);
the lower end faces of two ends of the clamping jaw block (2) abut against fixed clamping blocks (32), the upper end faces of the fixed clamping blocks (32) abut against a stop block (33), first screws (35) are inserted into the stop block (33), and the first screws (35) penetrate through the stop block (33) and are screwed into the movable clamping blocks (31); the fixed clamping block (32) is inserted with a second screw (34), the second screw (34) is screwed in the movable clamping block (31), and the lower end face of the fixed clamping block (32) is formed with a plurality of conical pressing teeth (322).
2. The high-precision numerical control automatic aligning clamp according to claim 1, characterized in that: a plurality of adjusting grooves (321) are formed in the fixed clamping block (32), and the second screw (34) is inserted into the adjusting grooves (321) of the fixed clamping block (32).
3. The high-precision numerical control automatic aligning clamp according to claim 2, characterized in that: the stop block (33) is screwed with an adjusting bolt (36), and the tail end of the adjusting bolt (36) abuts against the upper end face of the fixed clamping block (32).
4. The high-precision numerical control automatic aligning clamp according to claim 1, characterized in that: the width of a first gap (a) between the clamping jaw block (2) and the movable clamping block (31) is equal to the width of a second gap (b).
5. The high-precision numerical control automatic aligning clamp according to claim 4, characterized in that: the width of a second gap (b) between the clamping jaw block (2) and the movable clamping block (31) is smaller than the width of the upper end of the movable clamping block (31).
6. The high-precision numerical control automatic aligning clamp according to claim 4, characterized in that: the distance from the inner side edge of the side wall of the concave table (21) of the clamping jaw block (2) to the positioning pin (37) is greater than the distance from the upper end surface of the movable clamping block (31) to the positioning pin (37).
7. The high-precision numerical control automatic aligning clamp according to claim 1, characterized in that: a plurality of lightening holes (312) are formed in the movable clamping block (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921827930.9U CN210848382U (en) | 2019-10-29 | 2019-10-29 | High-precision numerical control automatic aligning clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921827930.9U CN210848382U (en) | 2019-10-29 | 2019-10-29 | High-precision numerical control automatic aligning clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210848382U true CN210848382U (en) | 2020-06-26 |
Family
ID=71283471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921827930.9U Active CN210848382U (en) | 2019-10-29 | 2019-10-29 | High-precision numerical control automatic aligning clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210848382U (en) |
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2019
- 2019-10-29 CN CN201921827930.9U patent/CN210848382U/en active Active
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