CN221047341U - Anti-clamping mark chuck - Google Patents

Abstract

The utility model discloses an anti-clamping mark chuck, which relates to the technical field of chucks and comprises a disk body, wherein a plurality of convex grooves are formed in the disk body, convex blocks are connected in the plurality of convex grooves in a sliding manner, clamping claws are connected to the tops of the convex blocks in a threaded manner, supporting rods are connected in the clamping claws in a sliding manner, one ends of the supporting rods are fixedly connected with clamping heads, screw rods are connected in the plurality of convex grooves in a rotating manner, the screw rods penetrate through the convex blocks and are connected with the convex blocks in a threaded manner, and limit grooves are formed in the disk body and are formed in one sides of the plurality of convex grooves. The beneficial effects of the utility model are as follows: this prevent clamp mark chuck, through the threaded connection between multiunit drive structure and the multiunit jack catch in the disk body respectively, utilize this kind of detachable structure, be convenient for increase and reduce the quantity of jack catch as required to and the angle between the adjustment jack catch, and jack catch and the dop of different shapes can be changed, thereby the work piece of being applicable to that can be better.

Description

Anti-clamping mark chuck

Technical Field

The utility model relates to the technical field of chucks, in particular to an anti-clamping mark chuck.

Background

The chuck is basically a part of a machine tool, is arranged on a spindle box of the machine tool and is used for clamping a workpiece, and can accommodate objects with symmetrical shapes and objects with asymmetrical shapes.

The application number CN201120152465.0 discloses a clamping mark prevention chuck, and a detachable clamping mark prevention device arranged on one side of a claw is used for preventing the claw from being directly contacted with a workpiece, so that the clamping mark prevention chuck is suitable for processing various shaft parts, does not generate clamping marks, and ensures the precision of the processed parts.

The clamping structure of the application is suitable for chucks with different numbers of clamping jaws, but the number and the angle of the clamping jaws on the pulling disc cannot be directly adjusted according to requirements, and workpieces with different shapes are difficult to be better suitable for.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides an anti-clamping mark chuck, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a prevent clamp mark chuck, includes the disk body, a plurality of convex grooves have been seted up to the inside of disk body, a plurality of the equal sliding connection in inside of convex groove has the convex piece, the top threaded connection of convex piece has the jack catch, the inside sliding connection of jack catch has the bracing piece, the one end fixedly connected with dop of bracing piece, a plurality of the inside of convex groove is all rotated and is connected with the lead screw, the lead screw runs through the convex piece and with convex piece threaded connection, the spacing groove has been seted up to the inside of disk body and one side that is located a plurality of convex grooves, the inside rotation of spacing groove is connected with the bevel ring, one side rotation of spacing groove is connected with a plurality of bevel gears, a plurality of bevel gears all mesh with the bevel ring, a plurality of bevel gears respectively with a plurality of lead screw fixed connection, the lag has been cup jointed to the outside of dop.

Preferably, the top of the convex block and the inner part of the claw are respectively provided with a thread column and a thread groove which are matched with each other.

Preferably, a damper is arranged in the clamping jaw, and one end of the damper is fixedly connected with the supporting rod.

Preferably, the damping spring is sleeved outside the supporting rod.

Preferably, a motor is arranged on one side of the disc body, and the output end of the motor is fixedly connected with one bevel gear.

Preferably, the material of the protective sleeve is rubber.

Preferably, the top of the tray body is provided with scale values.

The utility model provides an anti-clamping mark chuck, which has the following beneficial effects:

1. This prevent clamp mark chuck, through the threaded connection between multiunit drive structure and the multiunit jack catch in the disk body respectively, utilize this kind of detachable structure, be convenient for increase and reduce the quantity of jack catch as required to and the angle between the adjustment jack catch, and jack catch and the dop of different shapes can be changed, thereby the work piece of being applicable to that can be better.

2. This prevent clamp mark chuck, through the buffer structure who comprises attenuator and damping spring in the jack catch, be convenient for cushion the power that receives the work piece, make its centre gripping more stable, and the outside of dop has cup jointed the lag, when separating dop and work piece, utilizes the rubber material of lag, is favorable to avoiding causing the work piece surface to appear the clamp mark.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side cross-sectional view of the present utility model;

Fig. 3 is a top cross-sectional view of the present utility model.

In the figure: 1. a tray body; 2. a convex groove; 3. a male block; 4. a claw; 5. a chuck; 6. a screw rod; 7. a limit groove; 8. conical toothed ring; 9. bevel gears; 10. a protective sleeve; 11. a threaded column; 12. a thread groove; 13. a damper; 14. a damping spring; 15. a motor; 16. and (5) supporting the rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the chuck comprises a disk body 1, wherein a plurality of convex grooves 2 are formed in the disk body 1, convex blocks 3 are slidably connected in the convex grooves 2, clamping claws 4 are connected to the tops of the convex blocks 3 in a threaded manner, supporting rods 16 are slidably connected in the clamping claws 4, clamping heads 5 are fixedly connected to one ends of the supporting rods 16, threaded columns 11 and threaded grooves 12 which are matched with each other are respectively arranged in the tops of the convex blocks 3 and the clamping claws 4, the detachable structure is convenient for increasing and reducing the number of the clamping claws 4 according to requirements, the angles among the clamping claws 4 are adjusted, clamping heads 5 of different shapes can be replaced, so that the chuck is better suitable for different workpieces, scale values are arranged at the tops of the disk body 1, the accurate judgment of the angles among the clamping claws 4 is facilitated, a screw rod 6 is rotatably connected to the interiors of the convex grooves 2, the screw rod 6 penetrates through the convex block 3 and is in threaded connection with the convex block 3, when the screw rod 6 rotates, the convex block 3 and the clamping jaw 4 can be driven to displace, so that a workpiece is clamped and fixed, a limit groove 7 is formed in the disc body 1 and is positioned on one side of the convex grooves 2, a conical tooth ring 8 is rotatably connected in the limit groove 7, a plurality of bevel gears 9 are rotatably connected on one side of the limit groove 7, the bevel gears 9 are meshed with the conical tooth ring 8, the bevel gears 9 are fixedly connected with the screw rods 6 respectively, the bevel gears 9 are linked with the conical tooth ring 8 through the meshing of the bevel gears 9, the screw rods 6 can be driven to rotate simultaneously, a motor 15 is arranged on one side of the disc body 1, the output end of the motor 15 is fixedly connected with one of the bevel gears 9, the bevel gears 9 are rotatably connected, a protective sleeve 10 is sleeved outside the clamping head 5, the material of lag 10 is rubber, and the texture is soft, can separate dop 5 and work piece, protects the work piece, when preventing that the work piece from appearing the vestige, is favorable to increasing the friction with the work piece, prevents the work piece landing, and the internally mounted of jack catch 4 has attenuator 13, and the one end and the bracing piece 16 fixed connection of attenuator 13, the outside of bracing piece 16 has cup jointed damping spring 14, cooperatees with attenuator 13, carries out shock attenuation buffering to the work piece, is favorable to increasing the stability of work piece processing.

In summary, this anti-clamping mark chuck, when in use, the screw thread groove 12 in the jack catch 4 aligns the screw thread post 11 on one of them convex block 3 in the disk body 1, rotate, make it together after solid, the repeated operation, assemble together with different convex block 3 respectively according to certain angle with different jack catch 4 according to the demand, through the rotation of corresponding a plurality of lead screw 6 in the convex groove 2, and the threaded connection of lead screw 6 and convex block 3, thereby can drive a plurality of convex blocks 3 and jack catch 4 displacement, make the chuck 5 of jack catch 4 inside bracing piece 16 one end follow, carry out the centre gripping to the work piece, and the lag 10 that the chuck 5 outer wall cup jointed, separate chuck 5 and work piece, protect the work piece, in the same way, because the inside of disk body 1 and be located one side of a plurality of convex blocks 3 and seted up the spacing groove 7, and a plurality of bevel gears 9 in the spacing groove 7 all mesh with bevel gears 8, a plurality of bevel gears 9 are fixedly connected with a plurality of bevel gears 6 respectively, consequently, can drive bevel gears 8 rotation when one of bevel gears 9 rotates, thereby make the rotation of remaining bevel gears 9 also can drive a plurality of bevel gears 6 simultaneously to rotate simultaneously, make a plurality of bevel gears 5 rotate simultaneously.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides a prevent clamp mark chuck, includes disk body (1), its characterized in that: the inside of disk body (1) has been seted up a plurality of convex grooves (2), a plurality of the equal sliding connection in inside of convex groove (2) has convex piece (3), the top threaded connection of convex piece (3) has jack catch (4), the inside sliding connection of jack catch (4) has bracing piece (16), the one end fixedly connected with chuck (5) of bracing piece (16), a plurality of the inside of convex groove (2) is all rotated and is connected with lead screw (6), lead screw (6) run through convex piece (3) and with convex piece (3) threaded connection, limit groove (7) have been seted up to the inside of disk body (1) and be located one side of a plurality of convex grooves (2), the inside rotation of limit groove (7) is connected with bevel ring (8), one side rotation of limit groove (7) is connected with a plurality of bevel gears (9) all meshes with ring (8), a plurality of bevel gears (9) respectively with a plurality of lead screw (6) fixed connection, the outside of chuck (5) has cup joint protection cover (10).

2. The anti-pinch chuck as set forth in claim 1, wherein: the top of the convex block (3) and the inside of the claw (4) are respectively provided with a thread column (11) and a thread groove (12) which are matched with each other.

3. The anti-pinch chuck as set forth in claim 1, wherein: the inside of jack catch (4) is installed attenuator (13), the one end and the bracing piece (16) fixed connection of attenuator (13).

4. The anti-pinch chuck as set forth in claim 1, wherein: the damping spring (14) is sleeved outside the supporting rod (16).

5. The anti-pinch chuck as set forth in claim 1, wherein: a motor (15) is arranged on one side of the disc body (1), and the output end of the motor (15) is fixedly connected with one bevel gear (9).

6. The anti-pinch chuck as set forth in claim 1, wherein: the material of the protective sleeve (10) is rubber.

7. The anti-pinch chuck as set forth in claim 1, wherein: the top of the tray body (1) is provided with scale values.