CN216461823U - Lathe eccentric chuck for machining eccentric workpiece - Google Patents
Lathe eccentric chuck for machining eccentric workpiece Download PDFInfo
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- CN216461823U CN216461823U CN202123047811.1U CN202123047811U CN216461823U CN 216461823 U CN216461823 U CN 216461823U CN 202123047811 U CN202123047811 U CN 202123047811U CN 216461823 U CN216461823 U CN 216461823U
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- clamping jaws
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Abstract
The utility model relates to a lathe eccentric chuck for processing eccentric workpieces, which comprises a chuck body and a groove arranged at the center of the top of the chuck body, wherein the top of the chuck body is correspondingly provided with a pair of clamping jaws I and a pair of clamping jaws II in a sliding way, the two clamping jaws I and the two clamping jaws II slide independently, the clamping jaws I and the clamping jaws II are arranged at intervals and are uniformly distributed on the circumference, a cavity I corresponding to the clamping jaw I is arranged in the disc body, a power mechanism I driving the clamping jaw I to move is arranged in the cavity I, a cavity II corresponding to the clamping jaw II is arranged in the disc body, a power mechanism II driving the clamping jaw II to move is arranged in the cavity II, pointers are arranged at the bottoms of the one sides of the clamping jaws, scale marks corresponding to the pointers are arranged at the top of the disc body, a base plate I is connected to one end, close to the groove, of the clamping jaw I in a threaded mode, an auxiliary fixing mechanism is arranged on the middle clamping jaw II, and a workpiece to be machined is arranged in the groove and clamped and fixed through the clamping jaws I, the clamping jaws II and the auxiliary fixing mechanism. The utility model discloses the eccentricity is convenient for adjust, and the work piece is fixed convenient.
Description
Technical Field
The utility model relates to a chuck field especially relates to an eccentric chuck of lathe for processing eccentric work piece.
Background
When machining eccentric parts, measures are usually taken in clamping, namely, the axis of an eccentric part to be machined is aligned to be coincident with the rotation axis of a lathe spindle. The clamp for fixing the eccentric part, which is commonly used at present, is a three-jaw chuck, but when the eccentric part is fixed by adopting the three-jaw chuck, the eccentricity is difficult to grasp, the processing precision of the part is difficult to guarantee, the difficulty in clamping and correcting the part is large, and the production efficiency is low.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and providing a lathe eccentric chuck for processing eccentric workpieces.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a lathe eccentric chuck for processing an eccentric workpiece comprises a chuck body and a groove arranged in the center of the top of the chuck body, wherein a pair of clamping jaws I and a pair of clamping jaws II are correspondingly arranged on the top of the chuck body in a sliding manner, the two clamping jaws I and the two clamping jaws II slide independently, the clamping jaws I and the clamping jaws II are arranged at intervals and are uniformly distributed on the circumference, a cavity I corresponding to the clamping jaw I is arranged in the disc body, a power mechanism I driving the clamping jaw I to move is arranged in the cavity I, a cavity II corresponding to the clamping jaw II is arranged in the disc body, a power mechanism II driving the clamping jaw II to move is arranged in the cavity II, pointers are arranged at the bottoms of the one sides of the clamping jaws, scale marks corresponding to the pointers are arranged at the top of the disc body, a base plate I is connected to one end, close to the groove, of the clamping jaw I in a threaded mode, an auxiliary fixing mechanism is arranged on the clamping jaw II, and a workpiece to be machined is arranged in the groove and clamped and fixed through the clamping jaws I, the clamping jaws II and the auxiliary fixing mechanism.
Particularly, the bottom of the first clamping jaw is provided with a first cross-shaped sliding block, the disc body is provided with a first sliding groove corresponding to the first sliding block, and the first sliding block is slidably arranged in the first sliding groove.
Particularly, the power mechanism one comprises a lead screw rotatably connected in the cavity one and a moving block in threaded connection with the lead screw, the moving block is fixedly connected to the bottom of the sliding block one, the moving block is located in the cavity one, and a handle one is arranged at one end of the lead screw after penetrating out of the disc body.
Particularly, the bottom of the second jaw is provided with a second sliding block, the disk body is provided with a second sliding groove corresponding to the second sliding block, and the second sliding block is slidably arranged in the second sliding groove.
Particularly, the bottom of the second sliding block is provided with a pushing block, the pushing block is positioned in the second cavity, the second power mechanism comprises an electric cylinder arranged in the second cavity, and a piston rod of the electric cylinder is fixedly connected with the pushing block.
The auxiliary fixing mechanism comprises a mounting plate arranged at the top of the clamping jaw II and a plurality of screw rods in threaded connection with the mounting plate, one end of each screw rod close to the corresponding groove is rotatably connected with a connecting block, a backing plate II is in threaded connection with the connecting block, and a handle II is arranged at the other end of each screw rod.
Particularly, the first backing plate and the second backing plate are both plates matched with the workpiece.
The utility model has the advantages that: the utility model discloses a set up jack catch one, jack catch two, power unit one, power unit two, supplementary fixed establishment, workable different eccentricity, the eccentricity is adjusted conveniently, and application scope is wide, convenient operation, and the work piece is fixed effectual, and the machining precision is high, and production efficiency is high.
Drawings
FIG. 1 is a diagram of the workpiece clamping state of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic diagram of the positions of the first cavity, the lead screw and the moving block of the present invention;
in the figure: 1, a first handle; 2-a lead screw; 3-a first chute; 4, clamping jaw I; 5, a tray body; 6-a second chute; 7-jaw two; 8-screw rod; 9-mounting a plate; 10-a groove; 11-backing plate one; 12-a pointer; 13-graduation mark; 14-a workpiece; 15-backing plate II; 16-handle two; 17-a first slide block; 18-a moving block; 19-cavity one;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1-3, a lathe eccentric chuck for processing an eccentric workpiece comprises a disk body 5 and a groove 10 arranged at the center of the top of the disk body 5, wherein the top of the disk body 5 is correspondingly provided with a pair of first clamping jaws 4 and a pair of second clamping jaws 7 in a sliding manner, the first clamping jaws 4 and the second clamping jaws 7 slide independently, the first clamping jaws 4 and the second clamping jaws 7 are arranged at intervals and uniformly distributed on the circumference, a first cavity 19 corresponding to the first clamping jaws 4 is arranged in the disk body 5, a first power mechanism for driving the first clamping jaws 4 to move is arranged in the first cavity 19, a first cross-shaped sliding block 17 is arranged at the bottom of the first clamping jaws 4, a first sliding groove 3 corresponding to the first sliding block 17 is arranged on the disk body 5, the first sliding block 17 is arranged in the first sliding groove 3 in a sliding manner, the first power mechanism comprises a lead screw 2 rotatably connected in the first cavity 19 and a moving block 18 in threaded connection with the lead screw 2, the moving block 18 is fixedly connected at the bottom of the first sliding block 17, and the moving block 18 is arranged in the first cavity 19, one end of the screw rod 2 penetrates out of the disc body 5 and then is provided with a handle I1;
a cavity II corresponding to the jaw II 7 is arranged in the disc body 5, a power mechanism II driving the jaw II 7 to move is arranged in the cavity II, a sliding block II is arranged at the bottom of the jaw II 7, a sliding groove II 6 corresponding to the sliding block II is arranged on the disc body 5, the sliding block II is arranged in the sliding groove II 6 in a sliding manner, a pushing block is arranged at the bottom of the sliding block II and is positioned in the cavity II, the power mechanism II comprises an electric cylinder arranged in the cavity II, and a piston rod of the electric cylinder is fixedly connected with the pushing block;
4 one side bottoms of jack catch one are equipped with pointer 12, 5 tops of disk body are equipped with the scale mark 13 that corresponds with pointer 12, jack catch one 4 is close to 10 one end threaded connection of recess has backing plate one 11, be equipped with supplementary fixed establishment on jack catch two 7, work piece 14 of treating the processing is arranged in recess 10 and is passed through jack catch one 4, jack catch two 7, supplementary fixed establishment presss from both sides tightly fixedly, supplementary fixed establishment is including the mounting panel 9 of locating two 7 tops of jack catch, a plurality of threaded connection are the screw rod 8 on mounting panel 9, screw rod 8 is close to 10 one end of recess and rotates and is connected with the connecting block, threaded connection has backing plate two 15 on the connecting block, the screw rod 8 other end is equipped with handle two 16, backing plate one 11 and backing plate two 15 are the board that matches with work piece 14.
When the utility model works, the proper backing plate I11 and backing plate II 15 are selected according to the shape of the workpiece 14, the backing plate I11 is arranged on the jaw I4, the first handle 1 is rotated according to the position to be processed of the workpiece 14, so that the first jaw 4 moves towards the groove 10, the moving distance is determined according to the pointer 12 and the scale mark 13, then the workpiece 14 is placed in the groove 10 and supported by the first backing plate 11, then the other handle 1 is rotated, so that the first backing plate 11 on the other jaw 4 is abutted against the top of the workpiece 14, according to the position of the workpiece 14, the second backing plate 15 is determined to be installed on the corresponding screw 8, the second clamping jaw 7 moves towards the direction of the groove 10 under the action of the electric cylinder until the second clamping jaw abuts against the workpiece 14, then, the second handle 15 is rotated to bring the second backing plate 15 into contact with both sides of the workpiece 14, thereby further fixing the workpiece 14, and then the chuck is mounted on the lathe.
The utility model discloses workable different eccentricity, the eccentricity is adjusted conveniently, and application scope is wide, convenient operation, and work piece 14 is fixed effectual.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (7)
1. A lathe eccentric chuck for machining an eccentric workpiece comprises a chuck body (5) and a groove (10) arranged at the center of the top of the chuck body (5), and is characterized in that a pair of first clamping jaws (4) and a pair of second clamping jaws (7) are correspondingly arranged at the top of the chuck body (5) in a sliding mode, the first clamping jaws (4) and the second clamping jaws (7) respectively slide independently, the first clamping jaws (4) and the second clamping jaws (7) are arranged at intervals and are evenly distributed on the circumference, a first cavity (19) corresponding to the first clamping jaws (4) is arranged inside the chuck body (5), a first power mechanism driving the first clamping jaws (4) to move is arranged inside the first cavity (19), a second cavity corresponding to the second clamping jaws (7) is arranged inside the chuck body (5), a second power mechanism driving the second clamping jaws (7) to move is arranged inside the second cavity, a pointer (12) is arranged at the bottom of one side of the first clamping jaws (4), a scale mark (13) corresponding to the pointer (12) is arranged at the top of the chuck body (5), one end, close to the groove (10), of the first clamping jaw (4) is in threaded connection with a first base plate (11), an auxiliary fixing mechanism is arranged on the second clamping jaw (7), and a workpiece (14) to be processed is arranged in the groove (10) and clamped and fixed through the first clamping jaw (4), the second clamping jaw (7) and the auxiliary fixing mechanism.
2. The lathe eccentric chuck for processing the eccentric workpiece as claimed in claim 1, wherein the first jaw (4) is provided at the bottom with a first cross-shaped sliding block (17), the disc body (5) is provided with a first sliding slot (3) corresponding to the first sliding block (17), and the first sliding block (17) is slidably disposed in the first sliding slot (3).
3. The lathe eccentric chuck for processing the eccentric workpiece is characterized in that the first power mechanism comprises a lead screw (2) rotatably connected in a first cavity (19) and a moving block (18) in threaded connection with the lead screw (2), the moving block (18) is fixedly connected to the bottom of a first sliding block (17), the moving block (18) is located in the first cavity (19), and a first handle (1) is arranged after one end of the lead screw (2) penetrates out of the disc body (5).
4. The lathe eccentric chuck for processing the eccentric workpiece according to the claim 3, characterized in that the second sliding block is arranged at the bottom of the second clamping jaw (7), the second sliding groove (6) corresponding to the second sliding block is arranged on the disk body (5), and the second sliding block is arranged in the second sliding groove (6) in a sliding way.
5. The eccentric chuck of lathe for machining eccentric workpiece as claimed in claim 4, wherein the second sliding block has a push block at its bottom, the push block is located in the second cavity, the second power mechanism includes an electric cylinder in the second cavity, and the piston rod of the electric cylinder is fixed to the push block.
6. The lathe eccentric chuck for processing the eccentric workpiece is characterized in that the auxiliary fixing mechanism comprises a mounting plate (9) arranged at the top of the second clamping jaw (7) and a plurality of screw rods (8) in threaded connection with the mounting plate (9), one end, close to the groove (10), of each screw rod (8) is rotatably connected with a connecting block, a second backing plate (15) is in threaded connection with the connecting block, and the other end of each screw rod (8) is provided with a second handle (16).
7. A lathe eccentric chuck for machining eccentric workpieces according to claim 6, characterized in that the first shim plate (11) and the second shim plate (15) are both plates which match the workpiece (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123047811.1U CN216461823U (en) | 2021-12-07 | 2021-12-07 | Lathe eccentric chuck for machining eccentric workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123047811.1U CN216461823U (en) | 2021-12-07 | 2021-12-07 | Lathe eccentric chuck for machining eccentric workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216461823U true CN216461823U (en) | 2022-05-10 |
Family
ID=81419886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123047811.1U Active CN216461823U (en) | 2021-12-07 | 2021-12-07 | Lathe eccentric chuck for machining eccentric workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216461823U (en) |
-
2021
- 2021-12-07 CN CN202123047811.1U patent/CN216461823U/en active Active
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