CN215394588U - Grinding hydraulic self-centering center frame - Google Patents
Grinding hydraulic self-centering center frame Download PDFInfo
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- CN215394588U CN215394588U CN202120518762.6U CN202120518762U CN215394588U CN 215394588 U CN215394588 U CN 215394588U CN 202120518762 U CN202120518762 U CN 202120518762U CN 215394588 U CN215394588 U CN 215394588U
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Abstract
The utility model discloses a grinding hydraulic self-centering center frame, which belongs to the technical field of hydraulic center frames and comprises a hydraulic center frame, wherein a clamping arm assembly is assembled at the upper end of the hydraulic center frame, an installation block is assembled on the front surface of the hydraulic center frame, power devices are symmetrically assembled above the installation block in the left-right direction, a telescopic assembly is assembled at the upper end of the power device, and a rotating assembly is assembled at the other end of the telescopic assembly; the rotation through the motor drives the second gear and rotates and makes the chain drive the first gear rotation of both sides, drive the head rod through first gear rotation and rotate and can upwards extend the third connecting rod from the screw hole department simultaneously, thereby withstand the connecting block and make the rotation cap rotatory and then drive and press from both sides tight wall subassembly and rotate, thereby reached the effect that the adjustment pressed from both sides tight arm subassembly and can press from both sides tight work piece, above-mentioned structure is effectual has solved and has met the tight problem of can't pressing from both sides tightly when not pressing from both sides tight work piece.
Description
Technical Field
The utility model belongs to the technical field of hydraulic center frames, and particularly relates to a grinding hydraulic self-centering center frame.
Background
The center frame is one of main accessories for a lathe, is an indispensable device for turning slender shafts and pipe parts, and is mainly used for assisting in supporting and enhancing rigidity during turning of the slender shafts and the pipe parts and reducing vibration or bending deformation of workpieces in the turning process. Currently, in practical applications, most of the center frames used in the lathes are of a friction support type, a roller type, and the like, and these center frames require that a support surface for supporting a workpiece must be processed and that the surface roughness is relatively high, but the existing hydraulic center frames have the following defects:
when a workpiece to be machined is clamped by a clamping arm of a conventional hydraulic center frame, the workpiece is likely to fall off during clamping because most workpieces are in shapes which are not easy to clamp, such as cylinders, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a grinding hydraulic self-centering center frame, which comprises a hydraulic center frame, wherein a clamping arm assembly is assembled at the upper end of the hydraulic center frame, an installation block is assembled on the front surface of the hydraulic center frame, power devices are symmetrically assembled above the installation block from left to right, a telescopic assembly is assembled at the upper end of the power device, and a fixed block is assembled at the other end of the telescopic assembly; the cooperation of the components can effectively solve the problems mentioned in the background technology.
In order to solve the above problems, the present invention adopts the following technical solutions.
A grinding hydraulic self-centering center frame comprises a hydraulic center frame, wherein a clamping arm assembly is assembled at the upper end of the hydraulic center frame, an installation block is assembled on the front surface of the hydraulic center frame, power devices are symmetrically assembled above the installation block in a left-right mode, a telescopic assembly is assembled at the upper end of each power device, and a fixed block is assembled at the other end of each telescopic assembly; the rotating assembly comprises a rotating cap, a connecting block is assembled on one side of the rotating cap, one end of the connecting block is fixedly connected with one side of the rotating cap, a rotating shaft is assembled on the back of the rotating cap, and one end of the rotating shaft is fixedly connected with the rotating cap.
Preferably, the clamping arm assembly comprises an upper clamping arm and a lower clamping arm, a connecting block is assembled at the bottom of the upper clamping arm, the upper end of the connecting block is fixedly connected with the bottom of the upper clamping arm, a clamping block is assembled at the lower end of the connecting block, the upper end surface of the clamping block is fixedly connected with the lower end surface of the connecting block, and a mounting groove is formed in the lower clamping arm.
Preferably, flexible subassembly include head rod and third connecting rod, the head rod on be provided with the screw hole, the head rod lower extreme be equipped with first gear, first gear up end and head rod bottom fixed connection, first gear down end face be equipped with the second connecting rod, second connecting rod upper end and first gear down end face fixed connection, second connecting rod down end face be equipped with first turning block, first turning block up end and second connecting rod down end face fixed connection, third connecting rod up end be equipped with the second turning block, second turning block down end face and third connecting rod upper end fixed connection, just third connecting rod outer wall on be provided with the screw thread.
Preferably, the power device comprises a motor, a second gear is assembled on the motor, a chain is sleeved on the second gear, and the left side and the right side of the chain are sleeved with the first gear.
Preferably, the mounting block is provided with mounting holes in bilateral symmetry.
Preferably, the second fixture block is in lap joint with the lower end of the connecting block, the rotating shaft penetrates through the lower clamping arm and the inner wall of the first mounting hole to be rotatably connected with the mounting groove, and the rotating shaft is rotatably connected with the second mounting hole and fixedly connected with the first mounting hole.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
(1) according to the clamping arm assembly, the second gear is driven to rotate through the rotation of the motor, the chain drives the first gears on the two sides to rotate, the first connecting rod is driven to rotate through the rotation of the first gears, the third connecting rod can extend upwards from the threaded hole, and therefore the connecting block is propped against, the rotating cap rotates, the clamping wall assembly is driven to rotate, the effect of adjusting the clamping arm assembly is achieved, a workpiece can be clamped, and the problem that the clamping cannot be achieved when the clamped workpiece is not well clamped is effectively solved through the structure.
Drawings
FIG. 1 is a schematic structural view of a grinding hydraulic self-centering center rest in embodiment 1;
FIG. 2 is a schematic view of a clamping arm structure of a grinding hydraulic self-centering steady rest in embodiment 1;
FIG. 3 is a schematic view of a telescopic assembly of a grinding hydraulic self-centering steady rest according to embodiment 1;
FIG. 4 is a schematic view of a telescopic assembly of a grinding hydraulic self-centering steady rest according to embodiment 1;
FIG. 5 is an enlarged view of a grinding hydraulic self-centering steady rest at A in example 1;
FIG. 6 is a schematic view of the extension mounting of a grinding hydraulic self-centering steady rest in embodiment 1;
FIG. 7 is a schematic view of a grinding hydraulic self-centering steady rest rotating assembly according to embodiment 1;
the corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows:
10. a hydraulic center frame;
20. a clamp arm assembly; 201. an upper clamp arm; 202. rotating the block; 203. a first mounting hole; 204. mounting grooves;
205. a lower clamp arm; 206. second mounting hole
30. A telescoping assembly; 301. a threaded hole; 302. a first connecting rod; 303. a first gear; 304. a second connecting rod;
305. a first clamping block; 306. a second fixture block; 307. a third connecting rod;
40. a power plant; 401. a motor; 402. a second gear; 403. a chain;
50. mounting blocks; 501. an assembly hole;
60. a rotating assembly; 601. rotating the cap; 602. connecting blocks; 603. and rotating the shaft.
Detailed Description
The utility model is further described below in connection with specific embodiments.
Example 1
As shown in fig. 1 to 7, which are schematic structural diagrams of a grinding hydraulic self-centering center frame according to a preferred embodiment of the present invention, the grinding hydraulic self-centering center frame according to the present embodiment includes a hydraulic center frame 10, a clamping arm assembly 20 is assembled at an upper end of the hydraulic center frame 10, an installation block 50 is assembled on a front surface of the hydraulic center frame 10, power units 40 are symmetrically assembled above the installation block 50 in a left-right direction, a telescopic assembly 30 is assembled at an upper end of the power unit 40, and a rotating assembly 60 is assembled on a front surface of the clamping arm assembly 20.
The clamping arm assembly 20 comprises an upper clamping arm 201 and a lower clamping arm 205, wherein a rotating block 202 is assembled at the bottom of the upper clamping arm 201, the upper end of the rotating block 202 is fixedly connected with the bottom of the upper clamping arm 201, a first mounting hole 203 is assembled on the rotating block 202, a mounting groove 204 is formed in the lower clamping arm 205, and a second mounting hole 206 is formed in the lower clamping arm 205. Inserting the rotating member 60 through the rotating block 202 into the mounting groove 204 and fitting it through the first mounting hole 203 enables the upper clamp arm 201 to rotate a certain angle inside the mounting groove 204.
The telescopic assembly 30 comprises a first connecting rod 302 and a third connecting rod 307, a threaded hole 301 is formed in the first connecting rod 302, a first gear 303 is assembled at the lower end of the first connecting rod 302, the upper end surface of the first gear 303 is fixedly connected with the bottom of the first connecting rod 302, a second connecting rod 304 is assembled on the lower end surface of the first gear 303, the upper end of the second connecting rod 304 is fixedly connected with the lower end surface of the first gear 303, a first clamping block 305 is assembled on the lower end surface of the second connecting rod 304, the upper end surface of the first clamping block 305 is fixedly connected with the lower end surface of the second connecting rod 304, a second clamping block 306 is assembled on the upper end surface of the third connecting rod 307, the lower end surface of the second clamping block 306 is fixedly connected with the upper end of the third connecting rod 307, and threads are formed in the outer wall of the third connecting rod 307. The third connecting rod 307 is screwed with the threaded hole 301 of the first connecting rod 302 by the thread of the third connecting rod 307, so that the third connecting rod 307 can be lifted from the threaded hole 301 by rotating the first connecting rod 302.
The power device 40 comprises a motor 401, a second gear 402 is assembled on the motor 401, a chain 403 is sleeved on the second gear 402, and the left side and the right side of the chain 403 are sleeved with a first gear 303. The second gear 402 can be driven to rotate by the rotation of the motor 401, and the chain 403 drives the first gear 303 to rotate, so that the first gears 303 on both sides can rotate synchronously.
The left and right symmetry is provided with pilot hole 501 on installation piece 50, runner assembly 60 including rotating cap 601, rotating cap 601 one side be equipped with connecting block 602, connecting block 602 one end with rotate cap 601 one side fixed connection, just rotating cap 601 back be equipped with axis of rotation 603, axis of rotation 603 one end with rotate cap 601 fixed connection.
The second clamping block 306 is overlapped with the lower end of the connecting block 602, the rotating shaft 603 passes through the lower clamping arm 205 and the first mounting hole 203 to be rotatably connected with the inner wall of the mounting groove 204, and the rotating shaft 603 is rotatably connected with the second mounting hole 206 and fixedly connected with the first mounting hole 203.
In this embodiment, rotation through motor 401 drives second gear 402 and rotates and makes chain 403 drive the first gear 303 rotation of both sides, rotate through first gear 303 and drive first connecting rod 302 and rotate and can upwards extend third connecting rod 307 from screw hole 301 simultaneously, thereby it makes to rotate cap 601 rotation and drive clamping wall subassembly 20 and rotate to withstand connecting block 602, thereby the effect of adjustment clamping arm subassembly 20 has been reached, can press from both sides tight work piece, the effectual problem that can't press from both sides tightly when meetting the tight work piece of good clamp of above-mentioned structure.
While the utility model has been described in further detail in connection with specific embodiments thereof, it will be understood that the utility model is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, which should be considered to be within the scope of the utility model as defined by the appended claims.
Claims (6)
1. A grinding hydraulic self-centering center frame comprises a hydraulic center frame (10), wherein a clamping arm assembly (20) is assembled at the upper end of the hydraulic center frame (10), an installation block (50) is assembled on the front surface of the hydraulic center frame (10), power devices (40) are symmetrically assembled above the installation block (50) in the left-right direction, a telescopic assembly (30) is assembled at the upper end of each power device (40), and a rotating assembly (60) is assembled at the other end of each telescopic assembly (30);
the method is characterized in that:
the rotating assembly (60) comprises a rotating cap (601), a connecting block (602) is assembled on one side of the rotating cap (601), one end of the connecting block (602) is fixedly connected with one side of the rotating cap (601), a rotating shaft (603) is assembled on the back of the rotating cap (601), and one end of the rotating shaft (603) is fixedly connected with the rotating cap (601).
2. A grinding hydraulic self-centering steady rest according to claim 1, wherein: the clamping arm assembly (20) comprises an upper clamping arm (201) and a lower clamping arm (205), wherein a rotating block (202) is assembled at the bottom of the upper clamping arm (201), the upper end of the rotating block (202) is fixedly connected with the bottom of the upper clamping arm (201), a first mounting hole (203) is assembled at the lower end of the rotating block (202), the upper end face of the first mounting hole (203) is fixedly connected with the lower end face of the rotating block (202), a mounting groove (204) is formed in the lower clamping arm (205), and a second mounting hole (206) is formed in the lower clamping arm (205).
3. A grinding hydraulic self-centering steady rest according to claim 1, wherein: the telescopic assembly (30) comprises a first connecting rod (302) and a third connecting rod (307), a threaded hole (301) is formed in the first connecting rod (302), a first gear (303) is assembled at the lower end of the first connecting rod (302), the upper end surface of the first gear (303) is fixedly connected with the bottom of the first connecting rod (302), a second connecting rod (304) is assembled on the lower end surface of the first gear (303), the upper end of the second connecting rod (304) is fixedly connected with the lower end surface of the first gear (303), a first clamping block (305) is assembled on the lower end surface of the second connecting rod (304), the upper end surface of the first clamping block (305) is fixedly connected with the lower end surface of the second connecting rod (304), a second clamping block (306) is assembled on the upper end surface of the third connecting rod (307), the lower end surface of the second clamping block (306) is fixedly connected with the upper end of the third connecting rod (307), and the outer wall of the third connecting rod (307) is provided with threads.
4. A grinding hydraulic self-centering steady rest according to claim 1 or 2, characterized in that: the power device (40) comprises a motor (401), a second gear (402) is assembled on the motor (401), a chain (403) is sleeved on the second gear (402), and the left side and the right side of the chain (403) are sleeved with the first gear (303).
5. A grinding hydraulic self-centering steady rest according to claim 1, wherein: the mounting block (50) is provided with assembling holes (501) in bilateral symmetry.
6. A grinding hydraulic self-centering steady rest according to claim 3, wherein: the second fixture block (306) is overlapped with the lower end of the connecting block (602), the rotating shaft (603) penetrates through the lower clamping arm (205) and the first mounting hole (203) to be rotatably connected with the inner wall of the mounting groove (204), and the rotating shaft (603) is rotatably connected with the second mounting hole (206) and fixedly connected with the first mounting hole (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120518762.6U CN215394588U (en) | 2021-03-10 | 2021-03-10 | Grinding hydraulic self-centering center frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120518762.6U CN215394588U (en) | 2021-03-10 | 2021-03-10 | Grinding hydraulic self-centering center frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215394588U true CN215394588U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120518762.6U Active CN215394588U (en) | 2021-03-10 | 2021-03-10 | Grinding hydraulic self-centering center frame |
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| Country | Link |
|---|---|
| CN (1) | CN215394588U (en) |
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2021
- 2021-03-10 CN CN202120518762.6U patent/CN215394588U/en active Active
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