CN220463025U - CNC four-axis general special-shaped clamp - Google Patents
CNC four-axis general special-shaped clamp Download PDFInfo
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- CN220463025U CN220463025U CN202321989655.7U CN202321989655U CN220463025U CN 220463025 U CN220463025 U CN 220463025U CN 202321989655 U CN202321989655 U CN 202321989655U CN 220463025 U CN220463025 U CN 220463025U
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- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000013016 damping Methods 0.000 claims abstract description 22
- 230000000670 limiting effect Effects 0.000 claims description 19
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 238000003754 machining Methods 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model provides a CNC four-axis universal special-shaped clamp, which relates to the technical field of numerical control machine tool machining and comprises an operation table, wherein a rotating base is arranged on the top of the operation table in a matched mode. According to the utility model, when the two main clamping mechanisms clamp the special-shaped workpiece, the independent clamping blocks are extruded into the shell according to the concave-convex condition of the surface of the special-shaped workpiece to form dislocation, so that the contact point with the special-shaped workpiece is improved, the formed height difference enables the side surface of the clamping blocks to avoid the front and back movement of the special-shaped workpiece, and simultaneously, the clamping plate can slightly rotate up and down and left and right under the cooperation of the first rotating seat, the first damping rotating shaft, the second rotating seat, the second damping rotating shaft and the rotating block, so that the degree of fit with the special-shaped workpiece is further improved, the clamping and fixing effect on the special-shaped workpiece is improved under the mutual cooperation, the problem of special-shaped workpiece displacement during processing is avoided, and the universality is stronger.
Description
Technical Field
The utility model relates to the technical field of numerical control machine tool machining, in particular to a CNC four-axis universal special-shaped clamp.
Background
CNC is a numerical control machine tool for short, is an automatic machine tool provided with a program control system, and a four-axis CNC machining center needs to be matched with a clamp to position a workpiece when the workpiece is machined.
In the prior art, as in chinese patent publication No. CN216913040U, a CNC four-axis machining fixture is disclosed, it includes the workstation, fixed mounting has the cylinder on the workstation, the cylinder pole and the workstation sliding connection of cylinder, the welding has the briquetting on the cylinder pole, the spout has been seted up on the workstation, sliding connection has the slide bar in the spout, the welding has the footstock on the slide bar, fixed mounting has the motor on the workstation, the pivot and the workstation rotation of motor are connected, the welding has the screw rod in the pivot, the connecting rod has been cup jointed in the sliding connection of screw rod, the end welding of connecting rod has square piece, square piece and screw rod sliding connection. According to the utility model, through arranging the structures such as the motor, the rotating shaft, the screw rod, the screw sleeve and the like, the motor can be started to drive the screw rod to rotate according to the size of a workpiece when the device is used, so that the position of the screw sleeve is adjusted, the position of the top seat is changed, and the device is suitable for workpieces with different specifications when the device is used.
Although the workpieces with different specifications and sizes can be clamped, the mechanical workpiece is provided with the special-shaped workpiece with uneven surface, the existing clamp tool has the problems that the workpiece is easy to shift during machining due to fewer contact points between the clamp and the workpiece when the special-shaped workpiece is clamped, the clamping effect is poor, and the universality is not strong, so that a novel CNC four-axis universal special-shaped clamp is provided for the problems.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, a mechanical workpiece is provided with a special-shaped workpiece with uneven surface, and the existing fixture is easy to shift during machining due to fewer contact points between the fixture and the workpiece when the special-shaped workpiece is clamped, so that the clamping effect is poor and the universality is not strong.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a general abnormal shape anchor clamps of CNC four-axis, includes the operation panel, the supporting rotation base that is provided with in top of operation panel, rotation base's top symmetry is provided with main fixture, main fixture's outside is provided with a plurality of inferior fixture, main fixture includes the shell, the inside equidistance fixedly connected with of shell a plurality of springs, a plurality of the equal fixedly connected with grip block of one end of spring, inferior fixture includes first rotation seat, be provided with first damping pivot between the interior table wall of first rotation seat, the outside fixedly connected with second rotation seat of first damping pivot, be provided with the second damping pivot between the interior table wall of second rotation seat, the outside fixedly connected with rotation piece of second damping pivot, the surface fixedly connected with grip block of rotation piece.
Further, the clamping block is arranged in the shell in a sliding mode, and the clamping block is fixedly connected with the first rotating seat.
Further, numerical control machining equipment is arranged at the position, close to the edge, of the top of the operating platform, and mounting plates are symmetrically arranged at the top of the rotating base.
Further, the electric push rods are fixedly connected to the outer surfaces of the opposite sides of the two mounting plates, and the end faces of the electric push rods are fixedly connected with the outer surfaces of the shells.
Further, the two opposite side outer surfaces of the mounting plates are symmetrically and fixedly connected with limiting telescopic rods near the edges, and the end surfaces of the limiting telescopic rods are fixedly connected with the outer surface of the shell.
Further, a plurality of spacing grooves have been seted up to the top and the bottom equidistance of shell, the top and the bottom of grip block all fixedly connected with stopper, stopper and spacing groove mutually support.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. according to the utility model, when the two main clamping mechanisms clamp the special-shaped workpiece, the independent clamping blocks are extruded into the shell according to the concave-convex condition of the surface of the special-shaped workpiece to form dislocation, so that the contact point with the special-shaped workpiece is improved, the formed height difference enables the side surface of the clamping blocks to avoid the front and back movement of the special-shaped workpiece, and simultaneously, the clamping plate can slightly rotate up and down and left and right under the cooperation of the first rotating seat, the first damping rotating shaft, the second rotating seat, the second damping rotating shaft and the rotating block, so that the degree of fit with the special-shaped workpiece is further improved, the clamping and fixing effect on the special-shaped workpiece is improved under the mutual cooperation, the problem of special-shaped workpiece displacement during processing is avoided, and the universality is stronger.
2. According to the utility model, when the clamping block slides in the shell, the limiting groove is matched with the limiting block, so that the limiting effect on the moving stroke of the clamping block is achieved, and the clamping block is prevented from being separated from the shell.
Drawings
FIG. 1 is a perspective view of a CNC four-axis universal special fixture;
FIG. 2 is a schematic diagram of a part of a CNC four-axis universal special-shaped clamp according to the present utility model;
FIG. 3 is a schematic diagram of a main clamping mechanism of a CNC four-axis universal special-shaped clamp;
fig. 4 is a schematic structural diagram of a secondary clamping mechanism of a CNC four-axis universal special-shaped clamp according to the present utility model.
Legend description: 1. an operation table; 11. numerical control machining equipment; 12. rotating the base; 2. a mounting plate; 21. an electric push rod; 22. a limiting telescopic rod; 3. a main clamping mechanism; 301. a housing; 302. a limit groove; 303. a spring; 304. a limiting block; 305. a clamping block; 4. a secondary clamping mechanism; 401. a first rotating seat; 402. a first damping shaft; 403. a second rotating seat; 404. a second damping rotating shaft; 405. a rotating block; 406. and a clamping plate.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
In embodiment 1, as shown in fig. 1-4, the utility model provides a CNC four-axis universal special-shaped clamp, which comprises an operation table 1, wherein a rotating base 12 is arranged on the top of the operation table 1 in a matched manner, a main clamping mechanism 3 is symmetrically arranged above the rotating base 12, a plurality of secondary clamping mechanisms 4 are arranged outside the main clamping mechanism 3, the main clamping mechanism 3 comprises a shell 301, a plurality of springs 303 are fixedly connected inside the shell 301 at equal intervals, clamping blocks 305 are fixedly connected to one ends of the plurality of springs 303, the secondary clamping mechanism 4 comprises a first rotating base 401, a first damping rotating shaft 402 is arranged between inner surface walls of the first rotating base 401, a second rotating base 403 is fixedly connected to the outer part of the first damping rotating shaft 402, a second damping rotating shaft 404 is arranged between inner surface walls of the second rotating base 403, a clamping plate 406 is fixedly connected to the outer surface of the second damping rotating shaft 404, the clamping block 305 is slidably arranged inside the shell 301, the clamping block 305 is fixedly connected with the first rotating base 401, a numerical control device 11 is arranged at the top of the operation table 1 and is close to the edge, and the two electric push rod mounting plates 21 are fixedly connected to the outer surfaces of the two symmetrical mounting plates 21 and are fixedly connected to the outer surfaces of the two side of the shell 2.
The effect achieved in the whole embodiment 1 is that the rotating base 12 can rotate through the internal circuit of the operating table 1 and the power mechanism, the two mounting plates 2 can be mutually close to or far away from the top of the rotating base 12, the numerical control processing device 11 is mainly used for processing workpieces when clamping large-size and small-size workpieces, the prior art is mature, and the method is not repeated herein, when the special-shaped workpieces are required to be clamped, the special-shaped workpieces are placed on the top of the rotating base 12, then the two electric push rods 21 are started to drive the two main clamping mechanisms 3 to mutually approach, when the two main clamping mechanisms 3 extrude the special-shaped workpieces, the corresponding clamping blocks 305 are extruded into the shell 301 at the protruding positions of the special-shaped workpieces, according to the convex-concave conditions of the surfaces of the special-shaped workpieces, the depths of the corresponding clamping blocks 305 entering the shell 301 are inconsistent, thereby increasing the contact point with the special-shaped workpiece, and forming the transverse height difference between the adjacent clamping blocks 305, so that the side surfaces of the individual clamping blocks 305 and the special-shaped workpiece are mutually extruded, the clamping and fixing effect on the special-shaped workpiece is greatly improved under the mutual matching, the secondary clamping mechanism 4 is positioned between the clamping blocks 305 and the special-shaped workpiece surface, the clamping plate 406 is attached to the special-shaped workpiece surface, the rotating block 405 slightly rotates back and forth in the second rotating seat 403 under the action of the second damping rotating shaft 404, simultaneously, the second rotating seat 403 slightly rotates up and down in the first rotating seat 401 under the action of the first damping rotating shaft 402, the clamping plate 406 is attached to the special-shaped workpiece surface, the clamping and fixing effect on the special-shaped workpiece is further improved under the mutual matching, the problem of special-shaped workpiece displacement during processing is avoided, and the universality is stronger, the spring 303 mainly plays the effect of promoting grip block 305 and abnormal shape work piece laminating, and when the complete centre gripping is accomplished, grip block 305 is supported by the thrust that shell 301 provided mainly, can not appear the problem that the clamping strength is not enough, and the extrusion force that the grip block 305 that the clamp was used in the clamp depression had mainly relied on the side to improve, and positive extrusion force is the auxiliary role.
In embodiment 2, as shown in fig. 1-4, the outer surfaces of opposite sides of two mounting plates 2 are symmetrically and fixedly connected with a limiting telescopic rod 22 near the edges, the end surface of the limiting telescopic rod 22 is fixedly connected with the outer surface of a shell 301, a plurality of limiting grooves 302 are formed in the top and bottom of the shell 301 at equal intervals, limiting blocks 304 are fixedly connected to the top and bottom of a clamping block 305, and the limiting blocks 304 and the limiting grooves 302 are mutually matched.
The effect that its whole embodiment 2 reached is, when electric putter 21 promoted shell 301 to remove, and spacing telescopic link 22 is synchronous to follow and stretches out and draws back, has mainly played spacing effect, has improved stability, and grip block 305 is when the inside slip of shell 301, cooperatees through spacing groove 302 and stopper 304, has played the effect that carries out spacing to grip block 305 travel, avoids grip block 305 to break away from inside shell 301.
Working principle: when the special-shaped piece is required to be clamped, the special-shaped piece is placed on the top of the rotating base 12, then the two electric push rods 21 are started to drive the two main clamping mechanisms 3 to be close to each other, when the two main clamping mechanisms 3 extrude the special-shaped piece, the corresponding clamping blocks 305 are extruded into the shell 301 at the protruding positions of the special-shaped piece, according to the convex-concave condition of the surface of the special-shaped piece, the depth of each clamping block 305 entering the shell 301 is inconsistent, so that the contact point with the special-shaped piece is increased, meanwhile, a transverse height difference is formed between the adjacent clamping blocks 305, the side surfaces of the individual clamping blocks 305 and the special-shaped piece are extruded with each other, the clamping fixing effect on the special-shaped piece is greatly improved under the mutual matching, the secondary clamping mechanism 4 is positioned between the clamping blocks 305 and the surface of the special-shaped piece, at the moment, the clamping plates 406 are attached to the surface of the special-shaped piece, and the rotating block 405 slightly rotates in the front and back in the second rotating seat 403 under the action of the second damping rotating shaft 404, and at the same time, the second rotating seat 403 slightly rotates up and down in the first rotating seat 401 under the action of the first damping rotating shaft 402, so that the special-shaped clamping plates 406 and the special-shaped piece are slightly rotated in the first rotating seat 401, and the special-shaped workpiece are further improved under the mutual matching effect, and the mutual clamping effect is avoided, and the problem is further that the special-shaped piece is more fixed when the special-shaped piece is further processed.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides a general abnormal shape anchor clamps of CNC four-axis, includes operation panel (1), its characterized in that: a rotating base (12) is arranged on the top of the operating platform (1) in a matching way, a main clamping mechanism (3) is symmetrically arranged above the rotating base (12), and a plurality of secondary clamping mechanisms (4) are arranged outside the main clamping mechanism (3);
the main clamping mechanism (3) comprises a shell (301), a plurality of springs (303) are fixedly connected in the shell (301) at equal intervals, and clamping blocks (305) are fixedly connected at one ends of the springs (303);
the secondary clamping mechanism (4) comprises a first rotating seat (401), a first damping rotating shaft (402) is arranged between inner surface walls of the first rotating seat (401), a second rotating seat (403) is fixedly connected to the outer portion of the first damping rotating shaft (402), a second damping rotating shaft (404) is arranged between inner surface walls of the second rotating seat (403), a rotating block (405) is fixedly connected to the outer portion of the second damping rotating shaft (404), and a clamping plate (406) is fixedly connected to the outer surface of the rotating block (405).
2. The CNC four-axis universal profiled clamp according to claim 1, wherein: the clamping block (305) is arranged in the shell (301) in a sliding mode, and the clamping block (305) is fixedly connected with the first rotating seat (401).
3. The CNC four-axis universal profiled clamp according to claim 1, wherein: the top of operation panel (1) is close to edge department and is provided with numerical control processing equipment (11), the top symmetry of rotating base (12) is provided with mounting panel (2).
4. A CNC four-axis universal profiled clamp according to claim 3, characterized in that: the electric push rods (21) are fixedly connected to the outer surfaces of the opposite sides of the two mounting plates (2), and the end faces of the electric push rods (21) are fixedly connected with the outer surface of the shell (301).
5. The CNC four-axis universal profiled clamp according to claim 4, wherein: and limiting telescopic rods (22) are symmetrically and fixedly connected to the outer surfaces of opposite sides of the mounting plates (2) close to the edges, and the end surfaces of the limiting telescopic rods (22) are fixedly connected with the outer surface of the shell (301).
6. The CNC four-axis universal profiled clamp according to claim 1, wherein: a plurality of limiting grooves (302) are formed in the top and the bottom of the shell (301) at equal intervals, limiting blocks (304) are fixedly connected to the top and the bottom of the clamping block (305), and the limiting blocks (304) and the limiting grooves (302) are matched with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321989655.7U CN220463025U (en) | 2023-07-27 | 2023-07-27 | CNC four-axis general special-shaped clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321989655.7U CN220463025U (en) | 2023-07-27 | 2023-07-27 | CNC four-axis general special-shaped clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220463025U true CN220463025U (en) | 2024-02-09 |
Family
ID=89799517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321989655.7U Active CN220463025U (en) | 2023-07-27 | 2023-07-27 | CNC four-axis general special-shaped clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220463025U (en) |
-
2023
- 2023-07-27 CN CN202321989655.7U patent/CN220463025U/en active Active
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