CN217858847U - Hydraulic clamping device for numerical control machine tool - Google Patents
Hydraulic clamping device for numerical control machine tool Download PDFInfo
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- CN217858847U CN217858847U CN202221745083.3U CN202221745083U CN217858847U CN 217858847 U CN217858847 U CN 217858847U CN 202221745083 U CN202221745083 U CN 202221745083U CN 217858847 U CN217858847 U CN 217858847U
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Abstract
The utility model discloses a hydraulic clamping device for a numerical control machine tool, which comprises a hydraulic indexing chuck provided with a hydraulic system, wherein a clamping seat is arranged on the radial end surface of the hydraulic indexing chuck; the bottom end face of the clamping seat is locked and fixed with the clamping block through a first bolt; the hydraulic indexing chuck is characterized by further comprising an indexing shaft positioned on the other radial end face of the hydraulic indexing chuck, the indexing shaft is locked on the hydraulic indexing chuck through a second bolt, and the second bolt is locked with the positioning seat through threads; the clamping block and the workpiece form a clamping device rotation center, and the axial distance between the clamping device rotation center and the positioning seat is adjustable.
Description
Technical Field
The utility model relates to a work piece processing field especially relates to a hydraulic clamping device for digit control machine tool.
Background
The indexing chuck is used for clamping a workpiece during machining, is mechanical and hydraulic according to a working mode, and is mainly used for conveying hydraulic oil through a hydraulic station to drive a hydraulic disc to act, the hydraulic disc is matched with the indexing disc to clamp and fix the workpiece, the indexing disc can be subjected to angle adjustment during working, so that the workpiece can be machined in different directions conveniently and simultaneously, the indexing disc is also divided into automatic and passive modes, and the automatic mode can be used for automatically working to carry out angle adjustment;
in the prior art, a common chuck is used, parts are manually clamped, only one station can be machined during each clamping, the positioning height between the rotation center of the clamping device and the positioning seat is not adjustable, different positioning seats need to be replaced for parts with different rotation center heights, the machining efficiency is low, the clamping force is inconsistent, the repeated positioning accuracy is poor, and the economy is poor.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a hydraulic clamping device for a numerical control machine tool, which can adjust the positioning height between the rotation center of the clamping device and a positioning seat; the indexing angle is realized, and then one-time clamping and multi-station are realized.
In order to solve the technical problem, the utility model provides a following technical scheme: a hydraulic clamping device for a numerical control machine tool comprises a hydraulic indexing chuck provided with a hydraulic system, wherein a clamping seat is arranged on the radial end face of the hydraulic indexing chuck; the bottom end face of the clamping seat is fixedly locked with the clamping block through a first bolt;
the hydraulic indexing chuck is characterized by further comprising an indexing shaft positioned on the other radial end face of the hydraulic indexing chuck, the indexing shaft is locked on the hydraulic indexing chuck through a second bolt, and the second bolt and the positioning seat are locked in a threaded manner;
the clamping block and the workpiece form a clamping device rotation center, and the axial distance between the clamping device rotation center and the positioning seat is adjustable.
Preferably, the bottom end surface of the clamping seat is provided with a mounting hole A, the mounting hole A comprises a straight hole A formed in the bottom surface of the clamping seat and a thread groove A located in the clamping seat, the thread groove A is coaxially communicated with the straight hole A, and the diameter of the straight hole is larger than that of the thread groove A; a mounting hole B penetrates through the clamping block, the mounting hole B comprises a flat finger hole B and a thread groove B, and the diameter of the flat finger hole B is larger than that of the thread groove B; the clamping block is also provided with an installation seat which is suitable for the straight hole A, and the installation seat is embedded in the straight hole A.
Preferably, the indexing shaft penetrates through a mounting hole C which is axially arranged, the mounting hole C is provided with a straight hole C and a thread groove C, and the positioning seat is provided with a thread groove D which is locked and fixed with the second bolt.
Preferably, the clamping seat of the hydraulic indexing chuck is axially driven by a hydraulic system.
Preferably, the indexing shaft of the hydraulic indexing chuck is driven by a hydraulic system.
Compared with the prior art, the utility model discloses the beneficial effect that can reach is:
the positioning height between the rotation center of the clamping device and the positioning seat can be adjusted; the positioning seat and the part are driven by the indexing shaft to rotate horizontally through a hydraulic system of the numerical control machine tool, so that the indexing angle is realized, and further, one-time clamping and multi-station are realized.
Drawings
Fig. 1 is a prior art schematic diagram of a hydraulic index chuck of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
wherein: 1. a hydraulic indexing chuck; 2. a clamping seat; 3. a first bolt; 4. a clamping block; 5. Positioning seats; 6. a second bolt; 7. an index shaft.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, and all of them belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in fig. 1, in the prior art, a hydraulic indexing chuck is shown in the figure, wherein the main structure of the hydraulic indexing chuck is 1, a chuck body; 2. a through hole; 3. a hydraulic disc; 4. an index plate; 5. a hydraulic clamping block; 6. indexing the clamping blocks; 7. and (7) oil sealing.
As shown in fig. 2, the utility model provides a hydraulic clamping device, including hydraulic pressure indexing chuck 1, wherein, hydraulic pressure indexing chuck 1's structure is roughly the same with the hydraulic pressure indexing chuck among the prior art, for solving the problem of proposing, the utility model discloses relevant configuration optimization has been made. Specifically, the present invention provides a shape structure of the hydraulic index chuck 1 as shown in fig. 2;
the hydraulic indexing chuck comprises a hydraulic indexing chuck 1 provided with a hydraulic system, wherein a clamping seat 2 is arranged on the radial end surface of the hydraulic indexing chuck 1; the bottom end surface of the clamping seat 2 is locked and fixed with a clamping block 4 through a first bolt 3;
specifically, the bottom end face of the clamping seat 2 is provided with a mounting hole A, the mounting hole A comprises a straight hole A formed in the bottom face of the clamping seat 2 and a threaded groove A located in the clamping seat 2, the threaded groove A is coaxially communicated with the straight hole A, and the diameter of the straight hole is larger than that of the threaded groove A; a mounting hole B penetrates through the clamping block 4, the mounting hole B comprises a flat finger hole B and a threaded groove B, and the diameter of the flat finger hole B is larger than that of the threaded groove B; furthermore, the clamping block 4 is also provided with an installation seat suitable for the straight hole A, and the installation seat is embedded in the straight hole A.
When the clamping block 4 needs to be installed, the first bolt 3 extends into the thread groove B through the straight hole B, wherein a nut part of the first bolt 3 is inevitably provided with a sinking groove convenient for screwing; when the first bolt 3 enters the thread groove B, the first bolt 3 is rotated, the first thread 3 axially moves in the thread groove B, extends out of the thread groove B, enters the thread groove A through the straight hole A, then drives the mounting seat of the clamping block 4 to be matched and embedded with the straight hole A, and at the moment, the nut part of the first bolt 3 and the extension surface of the finger control B are tightly abutted to finish the installation of the clamping block 4.
And an indexing shaft 7 is arranged on the other radial end face of the hydraulic indexing chuck 1, the indexing shaft 7 is locked on the hydraulic indexing chuck 1 through a second bolt 6, and the second bolt 6 and the positioning seat 5 are locked in a threaded manner.
Specifically, the indexing shaft 7 also penetrates through an installation hole C arranged along the axial direction, and similarly, the installation hole C also has a straight hole C and a threaded groove C, and the positioning seat 5 is also provided with a threaded groove D locked and fixed with the second bolt.
The clamping seat 2 is communicated with a hydraulic system of the hydraulic indexing chuck 1, the hydraulic system drives the clamping seat 2 to move towards a workpiece on the customized seat 5 through a hydraulic medium, and then the clamping block 4 is driven to move towards the workpiece, so that the workpiece is compressed. Furthermore, the indexing shaft 7 is connected with the positioning seat 5 through the second bolt 6, so that the positioning height between the rotation center of the clamping device and the positioning seat can be realized by adjusting the thread matching length of the indexing shaft 7 and the positioning seat 5. The rotation center of the clamping device is an assembly for clamping parts in the hydraulic indexing chuck, and the assembly is used for clamping parts and carrying out indexing control on the parts.
It should be noted that, if the height between the positioning seat 5 and the indexing shaft 7 needs to be adjusted, at this time, attention should be paid to the length of the second bolt 6 protruding from the thread groove C, at this time, the nut portion of the second bolt 6 should not abut against the extension surface of the flat hole C, the axial length of the second bolt 6 is fixed by the thread force, and the length of the protruding second bolt 6 should be smaller than the length of the thread hole in the positioning seat 5, otherwise, the length of the protruding thread is longer than the length of the thread hole in the positioning seat 5, and the height of the positioning seat cannot be adjusted.
According to the scheme, the positioning height between the rotation center of the clamping device and the positioning seat can be adjusted by adjusting the thread matching length of the indexing shaft 7 and the positioning seat 5; the indexing shaft 7 is driven by a hydraulic system in the field, so that the indexing shaft 7 drives the positioning seat 5 and the part to horizontally rotate through the hydraulic system of the numerical control machine tool, the indexing angle is realized, and one-time clamping and multi-station are further realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a hydraulic clamping device for digit control machine tool, includes a hydraulic pressure indexing chuck (1) that is provided with hydraulic system, its characterized in that: a clamping seat (2) is arranged on the radial end face of the hydraulic indexing chuck (1); the bottom end face of the clamping seat (2) is locked and fixed with the clamping block (4) through a first bolt (3);
the hydraulic indexing chuck is characterized by further comprising an indexing shaft (7) located on the other radial end face of the hydraulic indexing chuck (1), the indexing shaft (7) is locked on the hydraulic indexing chuck (1) through a second bolt (6), and the second bolt (6) and the positioning seat (5) are locked in a threaded mode;
the clamping block (4) and the workpiece form a clamping device rotation center, and the axial distance between the clamping device rotation center and the positioning seat (5) is adjustable.
2. The hydraulic clamping device for the numerical control machine tool according to claim 1, characterized in that: the bottom end face of the clamping seat (2) is provided with a mounting hole A, the mounting hole A comprises a straight hole A formed in the bottom face of the clamping seat (2) and a thread groove A located in the clamping seat (2), the thread groove A is coaxially communicated with the straight hole A, and the diameter of the straight hole is larger than that of the thread groove A; the clamping block (4) penetrates through a mounting hole B, the mounting hole B comprises a flat finger hole B and a threaded groove B, and the diameter of the flat finger hole B is larger than that of the threaded groove B; the clamping block (4) is also provided with an installation seat suitable for the straight hole A, and the installation seat is embedded in the straight hole A.
3. The hydraulic clamping device for the numerical control machine tool according to claim 1, characterized in that: the indexing shaft (7) penetrates through a mounting hole C which is arranged along the axial direction, the mounting hole C is provided with a straight hole C and a thread groove C, and a thread groove D which is locked and fixed with the second bolt (6) is arranged on the positioning seat (5).
4. The hydraulic clamping device for the numerical control machine tool according to claim 1, characterized in that: the clamping seat (2) of the hydraulic indexing chuck (1) is axially driven by a hydraulic system.
5. The hydraulic clamping device for the numerical control machine tool according to claim 1, characterized in that: the indexing shaft (7) of the hydraulic indexing chuck (1) is driven by a hydraulic system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221745083.3U CN217858847U (en) | 2022-07-08 | 2022-07-08 | Hydraulic clamping device for numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221745083.3U CN217858847U (en) | 2022-07-08 | 2022-07-08 | Hydraulic clamping device for numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217858847U true CN217858847U (en) | 2022-11-22 |
Family
ID=84051209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221745083.3U Active CN217858847U (en) | 2022-07-08 | 2022-07-08 | Hydraulic clamping device for numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217858847U (en) |
-
2022
- 2022-07-08 CN CN202221745083.3U patent/CN217858847U/en active Active
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