CN216178605U - CNC is centre gripping frock for machining - Google Patents
CNC is centre gripping frock for machining Download PDFInfo
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- CN216178605U CN216178605U CN202122608208.XU CN202122608208U CN216178605U CN 216178605 U CN216178605 U CN 216178605U CN 202122608208 U CN202122608208 U CN 202122608208U CN 216178605 U CN216178605 U CN 216178605U
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Abstract
The utility model provides a clamping tool for CNC machining, which comprises a tool main body, wherein the tool main body is arranged on a zero positioning plate; the tool is characterized in that four mounting surfaces are arranged on the tool main body, each mounting surface is detachably connected with a plurality of clamping mechanisms, each clamping mechanism comprises a positioning steel block and a movable steel block, the positioning steel blocks are fixed on the tool main body through a plurality of positioning bolts, the movable steel blocks are locked on the positioning steel blocks through locking bolts and springs, and dovetail grooves for clamping are formed in the opposite sides of the upper ends of the positioning steel blocks and the movable steel blocks respectively. The clamping tool adopts a modularized steel tool, and hard materials such as steel, aluminum and the like can be clamped and processed by the clamping mechanism with the dovetail groove of the clamping tool, so that the stability is good.
Description
Technical Field
The utility model belongs to the technical field of CNC machining, and particularly relates to a clamping tool for CNC machining.
Background
At present, in the field of CNC machining, a single machining mode on three axes is adopted for machining products, and multiple times of clamping is needed to be completed. In the process of machining on the three shafts, only one surface can be machined at a time, and the surface needs to be turned and clamped for multiple times, so that the appearance, the clamping damage and the scratch of a workpiece are influenced by the clamping for multiple times, and the production period is prolonged; each time of single processing, the efficiency is low; a plurality of working procedures are adopted, a complete product can be finished, the machining size of the plurality of working procedures is unstable, the influence of the former working procedure on the latter working procedure cannot be controlled, the production period can be long due to single machining, and the stability of the appearance and the size cannot be guaranteed due to multiple times of machining. Moreover, the clamping force is not sufficient for some steel rectangular products.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a clamping tool for CNC machining, which aims to solve the problems in the background technology.
In order to achieve the above object, an embodiment of the present invention provides a clamping tool for CNC machining, including a tool main body, where the tool main body is installed on a zero positioning plate; the tool is characterized in that four mounting surfaces are arranged on the tool main body, each mounting surface is detachably connected with a plurality of clamping mechanisms, each clamping mechanism comprises a positioning steel block and a movable steel block, the positioning steel blocks are fixed on the tool main body through a plurality of positioning bolts, the movable steel blocks are locked on the positioning steel blocks through locking bolts and springs, and dovetail grooves for clamping are formed in the opposite sides of the upper ends of the positioning steel blocks and the movable steel blocks respectively.
Furthermore, each mounting surface is provided with 4 clamping mechanisms.
Furthermore, each vertex angle position below the location steel block all is provided with a locating hole, the location steel block passes the locating hole through positioning bolt and fixes on the frock main part.
The positioning steel block is provided with a groove on the opposite side of the dovetail-shaped edge of the positioning steel block, and a locking hole is further arranged in the groove.
Preferably, the locking hole comprises a light hole arranged at the outer side and a threaded hole arranged at the inner side, and the diameter of the light hole is larger than that of the threaded hole.
The shape of the movable steel block is matched with that of the groove, a lantern ring inserted in the unthreaded hole is integrally formed on the movable steel block, the outer diameter of the lantern ring is matched with the inner diameter of the unthreaded hole, and a through hole for a locking bolt to pass through is formed in the inner sides of the movable steel block and the lantern ring; and the locking bolt penetrates through the movable steel block and the through hole in the lantern ring to be locked in the threaded hole of the positioning steel block.
Preferably, the tool main body is provided with positioning grooves, each positioning steel block is provided with a positioning column, and the positioning columns are matched with the positioning grooves.
The technical scheme of the utility model has the following beneficial effects: the clamping tool adopts a modularized steel tool, and hard materials such as steel, aluminum and the like can be clamped and processed by the clamping mechanism with the dovetail groove of the clamping tool, so that the stability is good; during installation, the off-line clamping can be realized through a zero positioning system of the CNC, and the standby time of the machine tool is reduced; a plurality of products can be clamped and processed at one time, a plurality of surfaces are finished, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a tool body according to the present invention;
FIG. 2 is a schematic structural diagram of a positioning steel block of the present invention;
FIG. 3 is a schematic structural view of a movable steel block of the present invention;
FIG. 4 is a schematic structural view of a spring and a lock bolt according to the present invention;
fig. 5 is a schematic structural view of the clamping tool of the present invention clamping a workpiece.
Description of reference numerals: 1. a tool main body; 2. a mounting surface; 3. positioning a steel block; 4. a movable steel block; 5. positioning the bolt; 6. locking the bolt; 7. a spring; 8. a dovetail groove; 9. a dovetail edge; 10. positioning holes; 11. a groove; 12. a locking hole; 13. a collar; 14. a through hole; 15. a positioning column; 16. and (5) a workpiece.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-5, a clamping tool for CNC machining comprises a tool body 1, wherein the tool body 1 is installed on a zero positioning plate; be provided with four installation faces 2 on the frock main part 1, each can dismantle on the installation face 2 and be connected with a plurality of fixture, fixture is including location steel block 3 and activity steel block 4, location steel block 3 is fixed on frock main part 1 through a plurality of positioning bolt 5, activity steel block 4 passes through locking bolt 6 and spring 7 locking on location steel block 3, the upper end opposite side of location steel block 3 and activity steel block 4 is provided with a dovetail edge 9 and two dovetails form respectively edge formation dovetail 8 for the centre gripping. According to the utility model, the four mounting surfaces 2 are arranged on the tool main body 1, each mounting surface 2 is provided with a plurality of clamping mechanisms, the positioning steel blocks 3 of the clamping mechanisms are matched with the movable steel blocks 4 to form dovetail grooves 8 for clamping, and the dovetail grooves are matched with dovetail lugs of the workpieces 16 to be processed, so that the workpieces 16 to be processed are simultaneously clamped, the workpieces 16 to be processed can be processed by clamping each time, and the processing efficiency is high.
In a further embodiment, each of the mounting surfaces 2 is provided with 4 clamping mechanisms, and 16 workpieces 16 to be processed can be clamped by one-time clamping.
In a further embodiment, each vertex angle position below the positioning steel block 3 is provided with a positioning hole 10, and the positioning steel block 3 passes through the positioning hole 10 through the positioning bolt 5 and is fixed on the tool main body 1.
In a further embodiment, the positioning steel block 3 is provided with a groove 11 on the opposite side of the dovetail edge 9 thereof, and a locking hole 12 is further provided in the groove 11.
In a further embodiment, the locking hole 12 comprises a smooth hole arranged on the outside and a threaded hole arranged on the inside, and the diameter of the smooth hole is larger than that of the threaded hole.
The shape of the movable steel block 4 is matched with that of the groove 11, a lantern ring 13 inserted in the unthreaded hole is integrally formed on the movable steel block 4, the outer diameter of the lantern ring 13 is matched with the inner diameter of the unthreaded hole, and a through hole 14 for a locking bolt to pass through is formed in the inner sides of the movable steel block 4 and the lantern ring 13; the locking bolt passes through the movable steel block 4 and the through hole 14 on the lantern ring 13 and is locked in the threaded hole of the positioning steel block 3.
Preferably, the tool main body 1 is provided with a positioning groove, each positioning steel block 3 is provided with a positioning column 15, and the positioning columns 15 are matched with the positioning grooves.
The working process of the specific embodiment of the utility model is as follows: the four-shaft assembled tool body 1 is installed on a zero positioning plate, the positioning tool body 1 is pulled through a zero positioning rivet and locked, a positioning steel block 3 is installed on the tool body 1 and locked through a positioning bolt 5, and a movable steel block 4 is installed through a dovetail clamp on the positioning steel block 3 through a locking bolt and a spring 7 to lock a product, so that the whole machining is realized. The steel positioning block is fixed on the tool main body 1, is tightly matched with the positioning groove of the tool main body 1 through the positioning column 15 and is locked through the positioning bolt 5; the spring 7 is arranged in the movable steel block 4, and then the movable steel block 4 and the positioning steel block 3 are assembled in a clearance fit manner; and a clamping mechanism formed by the positioning steel block 3 and the movable steel block 4 is locked with a dovetail convex block on a product to be processed through a locking screw, and automatic correction is performed.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (7)
1. A clamping tool for CNC machining comprises a tool main body, wherein the tool main body is arranged on a zero positioning plate; the tool is characterized in that four mounting surfaces are arranged on the tool main body, each mounting surface is detachably connected with a plurality of clamping mechanisms, each clamping mechanism comprises a positioning steel block and a movable steel block, the positioning steel blocks are fixed on the tool main body through a plurality of positioning bolts, the movable steel blocks are locked on the positioning steel blocks through locking bolts and springs, and dovetail grooves for clamping are formed in the opposite sides of the upper ends of the positioning steel blocks and the movable steel blocks respectively.
2. The CNC machining clamping tool of claim 1, wherein each mounting surface is provided with 4 clamping mechanisms.
3. The clamping tool for CNC machining of claim 1, wherein each vertex angle position below the positioning steel block is provided with a positioning hole, and the positioning steel block is fixed on the tool body through the positioning hole by a positioning bolt.
4. The CNC machining clamping tool of claim 1, wherein the positioning steel block is provided with a groove on the opposite side of the dovetail edge of the positioning steel block, and a locking hole is formed in the groove.
5. The clamping tool for CNC machining of claim 4, wherein the locking hole comprises an outer hole and an inner threaded hole, and the diameter of the outer hole is larger than that of the threaded hole.
6. The clamping tool for CNC machining according to claim 5, wherein the movable steel block is matched with the groove in shape, a sleeve ring inserted into the unthreaded hole is integrally formed on the movable steel block, the outer diameter of the sleeve ring is matched with the inner diameter of the unthreaded hole, and a through hole for a locking bolt to pass through is formed in the inner sides of the movable steel block and the sleeve ring; and the locking bolt penetrates through the movable steel block and the through hole in the lantern ring to be locked in the threaded hole of the positioning steel block.
7. The clamping fixture for CNC machining of claim 5, wherein the fixture body is provided with positioning grooves, each positioning steel block is provided with positioning columns, and the positioning columns are matched with the positioning grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122608208.XU CN216178605U (en) | 2021-10-28 | 2021-10-28 | CNC is centre gripping frock for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122608208.XU CN216178605U (en) | 2021-10-28 | 2021-10-28 | CNC is centre gripping frock for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216178605U true CN216178605U (en) | 2022-04-05 |
Family
ID=80892265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122608208.XU Active CN216178605U (en) | 2021-10-28 | 2021-10-28 | CNC is centre gripping frock for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216178605U (en) |
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2021
- 2021-10-28 CN CN202122608208.XU patent/CN216178605U/en active Active
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