CN219665976U

CN219665976U - Anti-offset automatic hydraulic indexing chuck

Info

Publication number: CN219665976U
Application number: CN202321041591.8U
Authority: CN
Inventors: 王建华; 孙世峰
Original assignee: Qiantian Precision Technology Wuxi Co ltd
Current assignee: Qiantian Precision Technology Wuxi Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-09-12
Anticipated expiration: 2033-05-04

Abstract

The utility model discloses an anti-offset automatic hydraulic indexing chuck, which comprises: the clamping device comprises a tray body and a hydraulic clamping block, wherein the hydraulic clamping block is arranged at the top of the inner wall of the tray body, the indexing clamping block is arranged at the bottom of the inner wall of the tray body, and the clamping mechanism is arranged on the tray body and comprises a fixing groove. According to the utility model, through the mutual matching of the fixed groove, the forward rotation screw rod, the reverse rotation screw rod, the fixed shaft, the screw block, the sliding block, the moving block, the clamping block, the connecting groove, the rotating block, the rotating shaft, the driving gear, the driven gear, the adjusting block, the moving block, the positioning rod, the positioning groove, the elastic piece and the push rod, the clamping and fixing of a plurality of surfaces of a workpiece are facilitated, the phenomenon that the workpiece is easy to loose and deviate during clamping and processing is avoided, the quality of workpiece processing is prevented from being influenced, and meanwhile, the stability of the adjusting block and the clamping block during the rotating motion of the disc body is ensured, so that the stability during workpiece clamping is further improved.

Description

Anti-offset automatic hydraulic indexing chuck

Technical Field

The utility model relates to the technical field of hydraulic index chucks, in particular to an anti-offset automatic hydraulic index chuck.

Background

The automatic hydraulic indexing chuck is one workpiece clamping device for machining, and is used in machining work, and the hydraulic machine is hydraulic and hydraulic station to drive the hydraulic disc to clamp workpiece.

According to the application number: the utility model relates to the technical field of index chucks and discloses a novel hydraulic index chuck which comprises a chuck body, wherein a clamping cavity is formed in the chuck body, an upper clamping seat is arranged in the clamping cavity, an upper clamp is inserted into the upper clamping seat, a lower clamping seat is connected to the inner wall of the lower side of the chuck body, a lower clamp is inserted into the lower clamping seat, a working cavity is formed in the upper clamping seat, threaded rods are connected to the inner parts of the left side and the right side of the working cavity in a rotating mode through bearings, two thread barrels are sleeved on the threaded rods in an external thread mode, clamping rods are fixedly connected to the side walls of the thread barrels, and through holes matched with the clamping rods are formed in the side walls of the working cavity. The clamp and the clamping seat can be conveniently and rapidly assembled and disassembled, so that the convenience of replacing the clamp by an operator is improved, the problem that the clamp is fixed through friction between the clamp and the clamping seat, the assembly and the disassembly are inconvenient due to large friction force, and the connection is not firm enough due to small friction force is solved; the hydraulic indexing chuck of the scheme has poor stability when clamping a workpiece, and can only fixedly clamp two surfaces of the workpiece when clamping, so that the stability when clamping the workpiece is seriously reduced, the phenomenon that the workpiece is easy to deviate when being processed is caused, the phenomenon that the workpiece is easy to fall off when being serious is caused, the use of the automatic hydraulic indexing chuck is seriously influenced, and the practicability is reduced.

Disclosure of Invention

The utility model aims to provide an anti-offset automatic hydraulic index chuck, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an anti-drift automatic hydraulic index chuck, comprising:

a tray body;

the hydraulic clamping block is arranged at the top of the inner wall of the tray body;

the indexing clamping block is arranged at the bottom of the inner wall of the tray body;

the clamping mechanism is arranged on the disc body and comprises a fixed groove, the fixed groove is formed in the top of the disc body and is positioned at the front side of the indexing clamping block, a forward threaded rod and a reverse threaded rod are movably connected in grooves on the left side and the right side of the inner wall of the fixed groove through bearings, the right end of the forward threaded rod is fixedly connected with the left end of the reverse threaded rod through a fixed shaft, the surfaces of the forward threaded rod and the reverse threaded rod are respectively in threaded connection with a threaded block, a sliding block is mounted at the top of the threaded block, a moving block is mounted at the top of the sliding block, and a clamping block is mounted on the back surface of the moving block;

the limiting and adjusting mechanism is arranged on the tray body.

Preferably, the limit adjusting mechanism comprises a connecting groove, the connecting groove is formed in the bottom of the disc body and is communicated with the fixing groove, a rotating block is arranged in the connecting groove, a rotating shaft is mounted at the top of the rotating block, and the top end of the rotating shaft sequentially penetrates through the connecting groove and the fixing groove from bottom to top and extends to the inside of the fixing groove.

Preferably, a driving gear is arranged on the surface of the rotating shaft, a driven gear meshed with the driving gear is arranged on the surface of the fixed shaft, and an adjusting block is arranged at the bottom of the rotating block.

Preferably, the top of rotatory piece is provided with the movable block, the locating lever is all installed to the left and right sides at movable block top, the constant head tank has been seted up to the bottom of spread groove inner wall and the position that corresponds the locating lever, the top of locating lever runs through the constant head tank and extends to its inside and the inner wall mutual contact of constant head tank.

Preferably, the surface of the positioning rod is sleeved with an elastic piece, and the elastic piece is made of a spring.

Preferably, a push rod is installed at the bottom of the movable block, and the bottom end of the push rod penetrates through the connecting groove and extends to the outside of the connecting groove.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the mutual matching of the fixed groove, the forward rotation screw rod, the reverse rotation screw rod, the fixed shaft, the screw block, the sliding block, the moving block, the clamping block, the connecting groove, the rotating block, the rotating shaft, the driving gear, the driven gear, the adjusting block, the moving block, the positioning rod, the positioning groove, the elastic piece and the push rod, the clamping and fixing of a plurality of surfaces of a workpiece are facilitated, the phenomenon that the workpiece is easy to loose and deviate during clamping and processing is avoided, the quality of workpiece processing is prevented from being influenced, and meanwhile, the stability of the adjusting block and the clamping block during the rotating motion of the disc body is ensured, so that the stability during workpiece clamping is further improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

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

fig. 3 is an enlarged view of a portion of fig. 2 a in accordance with the present utility model.

In the figure: the device comprises a disc body 1, a hydraulic clamping block 11, an indexing clamping block 12, a clamping mechanism 2, a fixing groove 21, a forward rotation threaded rod 22, a reverse rotation threaded rod 23, a fixing shaft 24, a threaded block 25, a sliding block 26, a moving block 27, a clamping block 28, a limiting and adjusting mechanism 3, a connecting groove 31, a rotating block 32, a rotating shaft 33, a driving gear 34, a driven gear 35, an adjusting block 36, a moving block 37, a positioning rod 38, a positioning groove 39, an elastic piece 310 and a push rod 311.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an anti-drift automatic hydraulic index chuck, comprising: the disc body 1 and the hydraulic clamping block 11, the hydraulic clamping block 11 is arranged at the top of the inner wall of the disc body 1, and the working principle of the hydraulic clamping block 11 is the prior art, so that the description is not repeated here.

Indexing clamping block 12, indexing clamping block 12 is installed in the bottom of the inner wall of disk 1.

The clamping mechanism 2, the clamping mechanism 2 sets up on disk body 1, clamping mechanism 2 includes fixed slot 21, fixed slot 21 sets up at the top of disk body 1 and is located the front side of graduation clamp splice 12, all be connected with corotation screw thread pole 22 and reversal threaded rod 23 through the bearing swing joint in the recess of fixed slot 21 inner wall left and right sides, the right-hand member of corotation screw thread pole 22 and the left end of reversal threaded rod 23 pass through fixed axle 24 fixed connection, the surface of corotation screw thread pole 22 and the equal threaded connection of surface of reversal threaded rod 23 have screw thread piece 25, the surface of screw thread piece 25 and the inner wall sliding contact of fixed slot 21, the top fixedly connected with slider 26 of screw thread piece 25, the top fixedly connected with movable block 27 of slider 26, one side that the movable block 27 is close to disk body 1 inner wall sliding contact, the position of disk body 1 inner wall left and right sides and corresponding movable block 27 all fixedly connected with dead lever, the one end that the dead lever is close to movable block 27 runs through the movable block 27 and extends to its outside, the back fixedly connected with grip block 28 of movable block 27.

The limit adjusting mechanism 3, limit adjusting mechanism 3 sets up on disk body 1, limit adjusting mechanism 3 includes spread groove 31, spread groove 31 sets up in the bottom of disk body 1 and with fixed slot 21 intercommunication each other, the inside of spread groove 31 is provided with rotatory piece 32, the top fixedly connected with rotation axis 33 of rotatory piece 32, the top of rotation axis 33 runs through spread groove 31 and fixed slot 21 in proper order from bottom to top and extends to the inside of fixed slot 21, the surface fixedly connected with installation piece on the inner wall of spread groove 31 and lie in rotation axis 33, fixedly connected with on the inner wall of installation piece with rotation axis 33 swing joint's bearing, the surface fixedly connected with driving gear 34 of rotation axis 33, fixed axle 24's surface fixedly connected with and driving gear 34 intermesh's driven gear 35, the bottom fixedly connected with regulating block 36 of rotatory piece 32, the bottom of regulating block 36 runs through spread groove 31 and extends to its outside, the top of rotatory piece 32 is provided with movable block 37, the bottom of movable block 37 and the top of rotatory piece 32 contact each other, the left and right sides at the top of movable block 37 all fixedly connected with locating lever 38, the bottom of spread groove 31 inner wall and corresponding locating lever 38 position are equipped with locating lever 39 and the inside of push rod 311 and the inside of fixed connection spring positioning piece 310, the top of the fixed connection piece is made through the locating lever 39 and the inside of the fixed slot of the top of the fixed connection of the top of the push rod 310, the top of the fixed connection piece is contacted with the inside of the locating piece is contacted with the locating lever 39 and the inside of the locating piece is contacted with the locating piece of the inside of the locating lever 39.

Specifically, the elastic member 310 has a downward force to drive the movable block 37, so that the friction force between the movable block 37 and the rotary block 32 is increased, thereby avoiding the phenomenon that the rotary block 32 rotates when the disc body 1 rotates, and the friction force between the movable block 37 and the rotary block 32 is increased when the disc body 1 rotates and moves through eccentricity.

Through fixed slot 21, corotation screw thread pole 22, reversal threaded rod 23, fixed axle 24, screw thread piece 25, slider 26, movable block 27, grip block 28, spread groove 31, rotatory piece 32, rotation axis 33, driving gear 34, driven gear 35, regulating block 36, movable block 37, locating lever 38, constant head tank 39, elastic component 310 and push rod 311's mutually support to conveniently carry out the centre gripping to work piece a plurality of faces and fix, the phenomenon of easy becoming flexible skew appears when avoiding work piece centre gripping processing, thereby avoid influencing the quality of work piece processing, simultaneously guaranteed the stability of regulating block 36 and grip block 28 when disk body 1 rotary motion, thereby further improved the stability when work piece centre gripping.

When the clamping fixture is used, a workpiece is placed on the indexing clamping block 12, the workpiece is clamped through the hydraulic clamping block 11 and the indexing clamping block, then the push rod 311 is pulled upwards, the push rod 311 drives the movable block 37 to move upwards, the movable block 37 extrudes the elastic piece 310 to move, the movable block 37 and the rotating block 32 are separated, then the rotating block 36 drives the rotating block 32 to rotate, the rotating block 32 drives the fixed shaft 24 to rotate through the rotating shaft 33, the driving gear 34 and the driven gear 35, the forward rotating threaded rod 22 and the reverse rotating threaded rod 23 drive the two threaded blocks 25 to move close to each other, and the threaded blocks 25 drive the clamping block 28 to move close to the workpiece, so that the workpiece is clamped and fixed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An anti-migration automatic hydraulic indexing chuck, comprising:

a tray body (1);

the hydraulic clamping blocks (11) are arranged at the top of the inner wall of the tray body (1);

the indexing clamping block (12), the said indexing clamping block (12) is installed in the bottom of the inner wall of the tray body (1);

the clamping mechanism (2), the clamping mechanism (2) is arranged on the disc body (1), the clamping mechanism (2) comprises a fixed groove (21), the fixed groove (21) is formed in the top of the disc body (1) and is positioned on the front side of the indexing clamping block (12), a forward rotation threaded rod (22) and a reverse rotation threaded rod (23) are movably connected in grooves on the left side and the right side of the inner wall of the fixed groove (21) through bearings, the right end of the forward rotation threaded rod (22) is fixedly connected with the left end of the reverse rotation threaded rod (23) through a fixed shaft (24), a threaded block (25) is connected on the surface of the forward rotation threaded rod (22) and the surface of the reverse rotation threaded rod (23) in a threaded manner, a sliding block (26) is arranged at the top of the threaded block (25), a moving block (27) is arranged at the top of the sliding block (26), and a clamping block (28) is arranged on the back of the moving block (27);

the limiting and adjusting mechanism (3), and the limiting and adjusting mechanism (3) is arranged on the tray body (1).

2. The anti-migration automatic hydraulic index chuck of claim 1, wherein: spacing adjustment mechanism (3) are including spread groove (31), the bottom at disk body (1) is seted up in spread groove (31) and is linked together with fixed slot (21), the inside of spread groove (31) is provided with rotatory piece (32), rotation axis (33) are installed at the top of rotatory piece (32), the top of rotation axis (33) is from supreme inside through connection groove (31) and fixed slot (21) and extension to fixed slot (21) in proper order down.

3. The anti-migration automatic hydraulic index chuck of claim 2, wherein: the surface mounting of rotation axis (33) has driving gear (34), the surface mounting of fixed axle (24) have with driven gear (35) of driving gear (34) intermeshing, regulating block (36) are installed to the bottom of rotatory piece (32).

4. An anti-drift automatic hydraulic index chuck according to claim 3, wherein: the top of rotatory piece (32) is provided with movable block (37), locating lever (38) are all installed to the left and right sides at movable block (37) top, constant head tank (39) have been seted up to the bottom of spread groove (31) inner wall and the position that corresponds locating lever (38), the top of locating lever (38) runs through constant head tank (39) and extends to its inside and the inner wall mutual contact of constant head tank (39).

5. The anti-migration automatic hydraulic index chuck of claim 4, wherein: the surface of the positioning rod (38) is sleeved with an elastic piece (310), and the elastic piece (310) is made of a spring.

6. The anti-migration automatic hydraulic index chuck of claim 5, wherein: the bottom of the movable block (37) is provided with a push rod (311), and the bottom end of the push rod (311) penetrates through the connecting groove (31) and extends to the outside.