CN223098641U - Four-axis zero point exchange clamp - Google Patents
Four-axis zero point exchange clampInfo
- Publication number
- CN223098641U CN223098641U CN202422274420.0U CN202422274420U CN223098641U CN 223098641 U CN223098641 U CN 223098641U CN 202422274420 U CN202422274420 U CN 202422274420U CN 223098641 U CN223098641 U CN 223098641U
- Authority
- CN
- China
- Prior art keywords
- base
- semicircular arc
- clamping
- axis zero
- clamping plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The four-axis zero point exchange clamp is simple in structure, high in machining efficiency and convenient to clamp. Including frame, drive arrangement and clamping device, clamping device includes base, splint and fastening bolt, four directions of base all are provided with two semicircle bosss, two semicircle boss is symmetric distribution, still be provided with on the semicircle and keep away sword groove and base screw hole, fastening bolt passes splint with the base will process the work piece and fix on the semicircle bench, the base lower extreme is provided with the fast-assembling axle, the fast-assembling axle with drive arrangement's drive shaft carries out quick assembly disassembly. The utility model relates to the technical field of four-axis zero point interchange.
Description
Technical Field
The utility model relates to the technical field of four-axis zero point exchange clamps, in particular to a four-axis zero point exchange clamp.
Background
In the usual machining clamping, only one plane can be machined at a time, so that the efficiency is low, and the machining precision cannot be guaranteed.
The utility model of China with the publication number of CN219074905U discloses a zero point exchange clamp for four-axis processing equipment, in the scheme, a four-axis machine tool and a reading mechanism are designed to realize zero point exchange of precise angles, the precision degree of workpiece overturning when the zero point exchange clamp is used is improved, but the clamping convenience and the processing efficiency of the clamp are improved greatly.
Therefore, the development of the four-axis zero point exchange clamp with simple structure, high processing efficiency and convenient clamping is very necessary.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides the four-axis zero point exchange clamp which has the advantages of simple structure, high processing efficiency and convenience in clamping.
In order to achieve the above purpose, a four-axis zero point exchange clamp is provided, which comprises a base, a driving device and a clamping device, wherein the clamping device comprises a base, clamping plates and fastening bolts, two semicircular arc bosses are arranged in four directions of the base, the two semicircular arc bosses are symmetrically distributed, a cutter avoiding groove and a base threaded hole are further formed in a semicircular arc, the fastening bolts penetrate through the clamping plates and the base to fix a processing workpiece on the semicircular arc table, and a fast-assembling shaft is arranged at the lower end of the base and is fast-assembled and disassembled with a driving shaft of the driving device.
Based on the above, the base four sides all are provided with the semicircle boss that is used for clamping the work piece, utilize splint with fastening bolt presss from both sides tightly the work piece, and cooperation drive arrangement can realize four-axis zero point and exchange, has reduced the dismantlement step of clamping, simultaneously the fast-assembling axle can with pneumatic chuck carries out quick dismouting, has improved clamping efficiency and machining efficiency.
Further, two semicircular grooves are formed in the clamping plate, the radian of each semicircular groove is completely fit with the appearance radian of the workpiece, and threaded holes matched with the fastening bolts are further formed in the middle of the clamping plate.
Based on the above, the splint is provided with two semicircle recesses that can laminate completely with the appearance radian of work piece, can be better when the clamping with the work piece carries out the clamping, makes the work piece more firm when processing, has improved the stability of processing, has ensured machining precision simultaneously.
Further, the clamping device further comprises an L-shaped auxiliary limiting plate, wherein one surface of the L-shaped auxiliary limiting plate is provided with an installation groove with the width consistent with the width of the semicircular boss (when a machined workpiece is clamped and installed, the installation groove is matched with the semicircular boss, and the L-shaped auxiliary limiting plate is used for carrying out auxiliary limiting on the machined workpiece and the clamping plate.
Based on the above, when clamping the workpiece, the L-shaped auxiliary limiting plate can limit the workpiece and the clamping plate, so that the clamping is more convenient and accurate, the clamping operation is simplified, and the clamping efficiency is improved.
Further, the driving device is provided with a four-axis turntable, and the four-axis turntable is driven by a pneumatic motor.
Based on the above, the four-axis turntable and the clamping device realize four-axis zero point exchange operation, thereby improving the working efficiency.
Further, the driving device is further provided with an air chuck, a connecting hole is formed in the middle of the air chuck, a connecting block is arranged on the surface of the air chuck, a connecting rod and a bayonet are arranged on the fast-assembling shaft, the connecting rod is in running fit with the connecting hole, and the bayonet is mounted in a matched mode with the connecting block.
Based on the above, the air chuck is connected with the air motor in a matched manner, and the air motor drives the air chuck to rotate, so that the clamping device can be replaced at four working positions, the bayonet is connected with the connecting block in a matched manner, and the connection stability of the quick-assembly shaft and the air chuck is improved.
In order to more clearly illustrate the above-mentioned features of the present utility model and its intended objects, the present utility model will be further described with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is an exploded view of the present utility model;
FIG. 2 is an exploded view of the clamping device;
FIG. 3 is a schematic view of a clamping device;
FIG. 4 is a schematic view of the structure of the quick-fit shaft;
FIG. 5 is a schematic diagram of a four-axis drive device;
FIG. 6 is a schematic view of the structure of the L-shaped auxiliary limiting plate;
FIG. 7 is a schematic structural view of the splint.
The reference numerals comprise a machine seat 1, a driving device 2, a four-shaft rotary table 21, a pneumatic motor 211, a pneumatic chuck 22, a 221 connecting hole, a 222 connecting block, a 3 clamping device 31, a base seat 311, a semicircular arc boss 312, a cutter avoiding groove 312, a 313 base seat threaded hole, a 32 clamping plate, a 321 semicircular arc groove, a 322 clamping plate threaded hole, a 33 fastening bolt 34 quick-mounting shaft, a 341 connecting rod, a 342 bayonet, a 4L-shaped auxiliary limiting plate 41, a mounting groove 5 and a 51 hole to be machined.
Detailed Description
As shown in fig. 1 to 7, a four-axis zero point exchanging clamp comprises a machine base 1, a driving device 2 and a clamping device 3, wherein the clamping device 3 comprises a base, clamping plates 32 and fastening bolts 33, two semicircular arc bosses 311 are arranged in four directions of the base, the two semicircular arc bosses 311 are symmetrically arranged, a cutter avoiding groove 312 and a base threaded hole 313 are further formed in a semicircular arc, and the fastening bolts 33 penetrate through the clamping plates 32 and the base threaded holes 313 to fix a machined workpiece 5 on the semicircular arc table.
The driving device 2 comprises a four-axis turntable 21 and a pneumatic chuck 22, the four-axis turntable 21 is driven by a pneumatic motor 211, the pneumatic chuck 22 is connected with the pneumatic motor 211 in a matched manner, and the pneumatic motor 211 drives the pneumatic chuck 22 to rotate, so that the clamping device 3 can be replaced in four working positions. The pneumatic chuck comprises a base, a quick assembly shaft 34, a connecting rod 341 and a bayonet 342, wherein the connecting hole 221 is formed in the middle of the pneumatic chuck 22, a connecting block 222 is arranged on the surface of the pneumatic chuck 22, the base is connected with the quick assembly shaft 34, the connecting rod 341 is in running fit with the connecting hole 221, and the bayonet 342 is in fit installation with the connecting block 222. The fast-assembling shaft 34 can be rapidly assembled and disassembled with the air chuck 22, so that the assembling and disassembling steps are simplified, and the clamping efficiency is improved.
As shown in fig. 2, the workpiece 5 is semicircular, holes 51 to be machined are respectively formed on two sides of the semicircular arc of the workpiece 5, and the holes 51 to be machined are respectively formed on two sides of the semicircular arc. The clamping plate 32 is provided with two semicircular grooves 321, the radian of each semicircular groove 321 is completely fit with the appearance radian of the machined workpiece 5, and the middle of the clamping plate 32 is also provided with a clamping plate 32 threaded hole matched with the fastening bolt 33.
As shown in fig. 5, the clamping device 3 further includes an L-shaped auxiliary limiting plate 4, one surface of the L-shaped auxiliary limiting plate 4 is provided with an installation groove 41 with a width consistent with that of the semicircular arc boss 311, when the machined workpiece 5 is clamped and installed, the installation groove 41 is installed in cooperation with the semicircular arc boss 311, and the L-shaped auxiliary limiting plate 4 performs auxiliary limiting on the machined workpiece 5 and the clamping plate 32.
The specific implementation manner of the embodiment is that before the machined workpiece 5 is clamped, a fast-assembling shaft 34 is fixedly installed on the base through a screw, then the L-shaped auxiliary limiting plate 4 is installed on the semicircular boss 311 through the installation groove 41, then the machined workpiece 5 is placed on the semicircular boss 311, then the clamping plate 32 and the fastening bolt 33 are utilized to clamp the machined workpiece 5, the L-shaped auxiliary limiting plate 4 limits the positions of the machined workpiece 5 and the clamping plate 32, the later position adjusting step is reduced, and the clamping efficiency is improved. After clamping the machined workpiece 5, the L-shaped auxiliary limiting plate 4 is pulled out, the steps are repeated, then the next machined workpiece 5 is clamped until all the semicircular bosses 311 on the base are used for clamping the machined workpiece 5. Then, the connecting rod 341 of the quick-fit shaft 34 is inserted into the connecting hole 221, and the connecting block 222 is fitted with the bayonet 342.
After the clamping work is finished, the machined workpiece 5 is machined, the machined workpiece 5 is provided with machining holes with various sizes and models, the cutter firstly machines the machining holes with the same size, after the machining holes with the same size are machined, the cutter is replaced, machining of the machining holes with the next size is continued until all machining areas are machined, the quick-mounting shaft 34 is detached from the air chuck 22, the next batch of machined workpieces 5 is replaced, and the processes are repeated.
The above description is only of the best mode for carrying out the utility model, and is not intended to limit the utility model, but it is intended that modifications and substitutions made by those skilled in the art without departing from the spirit and scope of the utility model.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422274420.0U CN223098641U (en) | 2024-09-18 | 2024-09-18 | Four-axis zero point exchange clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422274420.0U CN223098641U (en) | 2024-09-18 | 2024-09-18 | Four-axis zero point exchange clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223098641U true CN223098641U (en) | 2025-07-15 |
Family
ID=96312794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422274420.0U Active CN223098641U (en) | 2024-09-18 | 2024-09-18 | Four-axis zero point exchange clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223098641U (en) |
-
2024
- 2024-09-18 CN CN202422274420.0U patent/CN223098641U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |