CN219093679U - Mechanism for automatically adjusting machining eccentric quantity of machining eccentric part - Google Patents
Mechanism for automatically adjusting machining eccentric quantity of machining eccentric part Download PDFInfo
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- CN219093679U CN219093679U CN202223030134.7U CN202223030134U CN219093679U CN 219093679 U CN219093679 U CN 219093679U CN 202223030134 U CN202223030134 U CN 202223030134U CN 219093679 U CN219093679 U CN 219093679U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model provides a mechanism for automatically adjusting the machining eccentric quantity of a machining eccentric part, which comprises the following components: the clamping jaw and the eccentric amount adjusting jaw are arranged on the chuck body; the clamping jaw comprises: a clamping base jaw arranged above the chuck body, a clamping mother jaw arranged on the clamping base jaw, and a clamping sub-jaw arranged in the clamping mother jaw and used for fixing a processed part; the eccentric amount adjusting claw includes: the adjusting base claw is arranged above the chuck body, the adjusting master claw is arranged above the adjusting base claw and fixed by the adjusting base claw, and the adjusting sub claw is arranged on the inner side of the adjusting master claw and used for fixing a processing part. The utility model provides a new idea of machining parts with eccentric quantity on the central shaft during turning, and the parts are compatible with eccentric and non-eccentric machining by directly using a set of clamps, so that the auxiliary time is reduced, and the efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of machining of mechanical parts, in particular to a mechanism for automatically adjusting the machining eccentric quantity of a machined eccentric part.
Background
At present, in turning, a three-jaw chuck is generally adopted to finish clamping of a workpiece, but when an eccentric workpiece is encountered, a vertical lathe eccentric clamp needs to be provided, the eccentric clamp at present consists of a base plate, a positioning piece and a clamping piece, and in order to facilitate clamping, the base plate is arranged into a round cake shape, and the clamping jaw of the three-jaw chuck is directly used for clamping the shape of the round cake-shaped base plate; in order to improve the strength of the clamp, the positioning piece and the clamping piece are directly welded on the foundation plate in use, but the foundation plate is not strong in universality due to the structure, and when similar products are met but the appearance sizes are different, a plurality of eccentric clamps are needed, so that the processing cost is increased.
The utility model provides a new idea of machining parts with eccentric center shafts during turning, and the parts are compatible with eccentric and non-eccentric machining by directly using a set of clamps, so that the auxiliary time is reduced, and the efficiency is improved.
Disclosure of Invention
The utility model provides a mechanism for automatically adjusting the machining eccentric quantity of an eccentric part to solve the problems in the prior art, which is compatible with eccentric and non-eccentric machining by directly using a set of clamps, reduces auxiliary time and improves efficiency.
The mechanism for automatically adjusting the machining eccentric amount of the machining eccentric part comprises: the clamping jaw and the eccentric amount adjusting jaw are arranged on the chuck body; the clamping jaw comprises: a clamping base jaw arranged above the chuck body, a clamping mother jaw arranged on the clamping base jaw, and a clamping sub-jaw arranged in the clamping mother jaw and used for fixing a processed part;
the eccentric amount adjusting claw includes: the adjusting base claw is arranged above the chuck body, the adjusting master claw is arranged above the adjusting base claw and fixed by the adjusting base claw, and the adjusting sub claw is arranged on the inner side of the adjusting master claw and used for fixing a processing part.
Further, a wedge-shaped positioning block with an upward inclined surface is arranged on the outer side of the adjusting female claw, the wedge-shaped positioning block is fixed with the adjusting female claw, and a rear limiting block is arranged on the inner side of the adjusting base claw.
Further, an eccentric amount adjusting device is arranged on the adjusting base claw and comprises a wedge block arranged above a wedge positioning block in the adjusting base claw, a front limiting block arranged at the bottom of the wedge block and an upper cover plate arranged above the adjusting base claw, and a tightening bolt is arranged on the upper cover plate and connected with the wedge block and used for adjusting the position of the wedge block.
Further, the clamping female claw is fixed on the clamping base claw through a positioning pin, and the clamping female claw realizes vector rotation through the positioning pin.
Furthermore, the chuck body is provided with an end face positioning block, so that the end face of the machined part can be kept horizontal, and machining errors are reduced.
Furthermore, the tightening bolt is an inner hexagon bolt, and the arrangement of the inner hexagon bolt can bear larger load on one hand and can keep the surface of the workpiece smooth and attractive on the other hand.
Further, the locating pin is a cylindrical pin.
Furthermore, the two sides of the inner side of the adjusting female claw are respectively provided with an adjusting sub-claw, and the two sides of the inner side of the clamping female claw are respectively provided with a clamping sub-claw.
Further, two clamping jaws and an eccentric amount adjusting jaw on the chuck body are adjacent to each other, and the included angle between the clamping jaws and the eccentric amount adjusting jaw is 120 degrees. When the workpiece is clamped and processed, the stress areas of the processed workpiece are the same, and the purpose of eccentricity is achieved by mutually matching and adapting to the adjustment of the eccentric amount.
The utility model has the technical effects that: 1. under the cooperation of the tightening bolt and the wedge block, the machine is multipurpose, when the tightening bolt is in a loose state and the wedge block is overlapped with the upper cover plate, the non-eccentric part of the part can be processed, and when the tightening bolt is tightened to the tightest state and the wedge block is contacted with the front positioning block, the part with the eccentric part can be processed.
2. The eccentric and non-eccentric machining is compatible directly by using one set of clamp, so that the auxiliary time is reduced, and the efficiency is improved.
Drawings
FIG. 1 is an isometric view of a mechanism for automatically adjusting the machining eccentricity of a machined eccentric part in accordance with the present utility model;
FIG. 2 is an enlarged partial view of a mechanism for automatically adjusting the machining eccentricity of a machined eccentric part in accordance with the present utility model;
FIG. 3 is an enlarged view of a portion of a tightening bolt of the mechanism for automatically adjusting the machining eccentricity of the machined eccentric part of the present utility model;
in the figure, 1, chuck body, 2, clamping jaw, 3, eccentric adjustment jaw, 4, machining part, 10, end positioning block, 20, clamping female jaw, 21, clamping sub-jaw, 22, clamping base jaw, 23, positioning pin, 30, adjusting female jaw, 31, adjusting sub-jaw, 32, adjusting base jaw, 33, upper cover plate, 34, tightening bolt, 35, wedge, 36, front limiting block, 37, rear limiting block
Detailed Description
A specific embodiment of the present utility model will be described with reference to fig. 1 to 3.
1-2, a mechanism for automatically adjusting the machining eccentricity of a machining eccentric part, characterized in that the mechanism for automatically adjusting the machining eccentricity of the machining eccentric part comprises: the clamping jaw comprises a chuck body 1, a clamping jaw 2 and an eccentric amount adjusting jaw 3, wherein the clamping jaw 2 and the eccentric amount adjusting jaw 3 are arranged on the chuck body;
the clamping jaw 2 comprises: a clamping base jaw 22 provided above the chuck body 1, a clamping mother jaw 20 provided on the clamping base jaw 22, and a clamping child jaw 21 provided inside the clamping mother jaw 20 for fixing the processed part 4;
the eccentric amount adjusting jaw 3 includes: an adjustment base jaw 32 provided above the chuck body 1, an adjustment master jaw 30 provided above the adjustment base jaw 32 and fixed by the adjustment base jaw 32, and an adjustment sub-jaw 31 provided inside the adjustment master jaw 30 for fixing the processing part 4.
The outer side of the adjusting female claw 30 is provided with a wedge-shaped positioning block 38 with an upward inclined surface, the wedge-shaped positioning block 38 is fixed with the adjusting female claw 30, and the inner side of the adjusting base claw 32 is provided with a rear limiting block 37.
The eccentric amount adjusting device is arranged on the adjusting base claw 32 and comprises a wedge block 35 arranged above a wedge positioning block 38 in the adjusting base claw 32, a front limiting block 36 arranged at the bottom of the wedge block 35, an upper cover plate 33 arranged above the adjusting base claw 32, and a tightening bolt 34 arranged on the upper cover plate 33, wherein the tightening bolt 34 is connected with the wedge block 35 and used for adjusting the position of the wedge block 35.
Referring to fig. 1 to 3, the clamping jaw 20 is fixed to the clamping base jaw 22 by a positioning pin 23, by which the clamping jaw realizes a vector rotation; the chuck body 1 is provided with an end face positioning block 10, so that the end face of a machined part can be kept horizontal, and machining errors are reduced; the tightening bolt 34 is a hexagon socket head cap bolt, and the hexagon socket head cap bolt can bear larger load on one hand and can keep the surface of the workpiece smooth and attractive on the other hand. The positioning pin 23 is a cylindrical pin. The two sides of the inner side of the adjusting female claw 30 are respectively provided with an adjusting sub-claw 31, and the two sides of the inner side of the clamping female claw 20 are respectively provided with a clamping sub-claw 21. Two clamping jaws 2 and an eccentric amount adjusting jaw 3 on the chuck body 1, wherein the adjacent included angle between the clamping jaws 2 and the eccentric amount adjusting jaw 3 is 120 degrees,
working principle: positioning the processing end face of the processed part on the end face positioning block 10, when the wedge block 35 is screwed to a loose state by using the tightening bolt 34 and is overlapped with the upper cover plate 33, the clamp can process the non-eccentric part of the part, when the part with the eccentric size needs to be processed after the processing is finished, the tightening bolt 34 is tightened, the wedge block 35 presses the adjusting female claw 30 forwards, when the wedge block 35 is overlapped with the front limiting block 36, the wedge block 35 is pressed in place, and the adjusting female claw 30 touches the rear limiting block 37, so that the reliable limiting is realized; at this time, the three jaws clamp the parts, the clamping female jaws 20, the clamping base jaws 22 and the clamping sub-jaws 21 of the two clamping jaws 2 are the same, the clamping female jaws 20 are fixed on the clamping base jaws 22 through the positioning pins 23, and the positioning pins 23 can adjust the rest two clamping female jaws 20 along with the eccentric amount of the adjusting female jaws 30 during clamping, and the clamping female jaws 20 perform vector rotation through the positioning pins 23 to adapt to the adjustment of the eccentric amount so as to achieve the purpose of eccentricity.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present utility model.
Claims (9)
1. A mechanism for automatically adjusting the machining eccentricity of a machined eccentric part, characterized in that the mechanism for automatically adjusting the machining eccentricity of the machined eccentric part comprises: the clamping device comprises a chuck body (1), a clamping jaw (2) and an eccentric amount adjusting jaw (3), wherein the clamping jaw (2) and the eccentric amount adjusting jaw (3) are arranged on the chuck body;
the clamping jaw comprises: a clamping base jaw (22) arranged above the chuck body (1), a clamping female jaw (20) arranged on the clamping base jaw (22), and a clamping sub-jaw (21) arranged in the clamping female jaw (20) and used for fixing the processed part (4);
the eccentric amount adjusting claw (3) includes: an adjusting base jaw (32) arranged above the chuck body (1), an adjusting master jaw (30) arranged above the adjusting base jaw (32) and fixed by the adjusting base jaw (32), and an adjusting sub-jaw (31) arranged in the adjusting master jaw (30) and used for fixing the processing part (4).
2. The mechanism for automatically adjusting the machining eccentricity of the machined eccentric part according to claim 1, wherein a wedge-shaped positioning block (38) with an upward inclined surface is arranged on the outer side of the adjusting female claw (30), the wedge-shaped positioning block (38) is fixed with the adjusting female claw (30), and a rear limiting block (37) is arranged on the inner side of the adjusting female claw (30) and on the inner side of the adjusting base claw (32).
3. The mechanism for automatically adjusting the machining eccentricity of the machined eccentric parts according to claim 2, wherein the adjusting base jaw (32) is provided with an eccentricity adjusting device, the eccentricity adjusting device comprises a wedge block (35) arranged above a wedge positioning block (38) in the adjusting base jaw (32), a front limiting block (36) arranged at the bottom of the wedge block (35), an upper cover plate (33) arranged above the adjusting base jaw (32), and a tightening bolt (34) is arranged on the upper cover plate (33), and the tightening bolt (34) is connected with the wedge block (35) for adjusting the position of the wedge block (35).
4. The mechanism for automatically adjusting the machining eccentricity of the machined eccentric according to claim 1, wherein the clamping jaw (20) is fixed to the clamping jaw (22) by means of a positioning pin (23).
5. The mechanism for automatically adjusting the machining eccentricity of the machined eccentric parts according to claim 1, wherein the chuck body (1) is provided with an end face positioning block (10).
6. A mechanism for automatically adjusting a machining eccentricity of a machined eccentric according to claim 3, wherein the tightening bolt (34) is a hexagon socket head cap bolt.
7. The mechanism for automatically adjusting the machining eccentricity of a machined eccentric according to claim 4, characterized in that the positioning pin (23) is a cylindrical pin.
8. The mechanism for automatically adjusting the machining eccentricity of the machined eccentric part according to claim 1, wherein the adjusting female claws (30) are provided with adjusting sub-claws (31) on both sides of the inner side, and the clamping female claws (20) are provided with clamping sub-claws (21) on both sides of the inner side.
9. The mechanism for automatically adjusting the machining eccentricity of the machined eccentric parts according to claim 1, wherein the adjacent included angle between the two clamping jaws (2) and the one eccentricity adjusting jaw (3) on the chuck body is 120 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223030134.7U CN219093679U (en) | 2022-11-15 | 2022-11-15 | Mechanism for automatically adjusting machining eccentric quantity of machining eccentric part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223030134.7U CN219093679U (en) | 2022-11-15 | 2022-11-15 | Mechanism for automatically adjusting machining eccentric quantity of machining eccentric part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219093679U true CN219093679U (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223030134.7U Active CN219093679U (en) | 2022-11-15 | 2022-11-15 | Mechanism for automatically adjusting machining eccentric quantity of machining eccentric part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219093679U (en) |
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2022
- 2022-11-15 CN CN202223030134.7U patent/CN219093679U/en active Active
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