CN220260886U - Numerical control machine tool spindle dismounting device - Google Patents

Abstract

The utility model relates to the technical field of maintenance of numerical control machine tools, in particular to a device for disassembling a main shaft of a numerical control machine tool. The clamping assembly comprises a sleeve, a plurality of enclasping tiles capable of radially moving along the sleeve are connected to the sleeve in a sliding manner, rubber pads are arranged on the inner sides of the enclasping tiles, the sleeve is further in threaded connection with bolts capable of pushing the enclasping tiles to move, pushing blocks are arranged on two sides of the outer portion of the sleeve, and pushing surfaces inclined with the axis of the sleeve are arranged on the outer sides of the pushing blocks; still including promoting the frame, promote the frame and be provided with the second guide post that links together both including roof and the bottom plate that are parallel to each other and both sides between the two, fly leaf and second guide post sliding connection are provided with first screw hole on the bottom plate, and first screw hole threaded connection has the screw rod that can promote the fly leaf and remove, all is provided with on roof and the fly leaf and cooperatees in order to promote the propelling movement groove that the clamping component kept away from the machine outer wall with the propelling movement face. The utility model has simple operation.

Description

Numerical control machine tool spindle dismounting device

Technical Field

The utility model relates to the technical field of maintenance of numerical control machine tools, in particular to a device for disassembling a main shaft of a numerical control machine tool.

Background

In some cases, the spindle of the numerical control machine needs to be disassembled during maintenance. The application number 202120964592.4's patent discloses a main shaft maintenance extracting tool for digit control machine tool processing, including movable sleeve, connecting screw, fixed sleeve and fastening sleeve, the screw has been seted up to the annular array in the middle of the fastening sleeve outer wall, movable mounting has fastening screw in the screw of fastening sleeve outer wall, the inboard fastening screw one end movable mounting of fastening sleeve has the limiting plate, fastening sleeve outer wall one side is annular array fixedly connected with fixed plate, fixed plate one side and fixed sleeve one end fixed connection, fixed sleeve other end inner wall and connecting screw one end threaded connection, the connecting screw other end and movable sleeve one end inner wall threaded connection, fixed nut is fixed mounting on the connecting screw, has solved the great inconvenient problem of carrying of current main shaft dismantlement difficulty and extracting tool size, however, it need be by the next fixation nut of screwing when dismantling the main shaft to every fixation nut can only screw down less angle at every time (otherwise this nut atress is too big because other does not twist simultaneously), relatively trouble.

Disclosure of Invention

The utility model aims to solve the technical problems and provides a numerical control machine tool spindle dismounting device aiming at the technical defects.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a numerical control machine tool spindle dismounting device, includes the clamping component that can hug tightly the main shaft, the clamping component includes the sleeve pipe, sliding connection has a plurality of hug closely the tile of radially movable along it on the sleeve pipe, hug closely the inboard of tile and be provided with the rubber pad, the sleeve pipe still threaded connection has the bolt that can promote to hug closely the tile and remove, the outside both sides of sleeve pipe are provided with the impeller block, the outside of impeller block is provided with the thrust surface that inclines mutually with the axis of sleeve pipe; still including promoting the frame, the both sides that promote the frame and including roof and the bottom plate that are parallel to each other and between the two are provided with the second guide post that links up both, fly leaf and second guide post sliding connection, be provided with first screw hole on the bottom plate, first screw hole threaded connection has the screw rod that can promote the fly leaf removal, all be provided with on roof and the fly leaf with promote the face and cooperate so that promote the promotion groove that clamping component kept away from the machine outer wall.

Further optimizing this technical scheme, the width of promote the groove equals the width of promote the piece.

Further optimize this technical scheme, the both sides of enclasping tile are provided with the third guide post, be provided with on the sleeve pipe with third guide post matched with first guiding hole.

Further optimize this technical scheme, this device still includes the protection shield, be provided with the through-hole that the diameter is greater than the main shaft diameter on the protection shield.

Further optimize this technical scheme, the both sides of protection shield all are provided with first guide post, the outside both sides of sleeve pipe all are provided with the guide block, be provided with on the guide block with first guide post matched with second guiding hole.

Compared with the prior art, the utility model has the following advantages: the pushing blocks are arranged on the two sides of the sleeve, the pushing grooves matched with the pushing blocks are formed in the top plate and the movable plate, the screw on the rotating pushing frame can push the movable plate to be close to the top plate so as to push the clamping assembly to move, and the operation is simple and convenient.

Drawings

Fig. 1 is a schematic structural view of a spindle dismounting device of a numerical control machine tool.

Fig. 2 is a schematic structural view of the clamping assembly.

Fig. 3 is a schematic structural view of the pushing frame.

In the figure: 1. a protective plate; 11. a first guide post; 2. a pushing frame; 21. a top plate; 211. a pushing groove; 22. a second guide post; 23. a movable plate; 24. a bottom plate; 25. a screw; 3. a clamping assembly; 31. a sleeve; 32. a pushing block; 321. a pushing surface; 33. a guide block; 34. a bolt; 35. and (5) enclasping the tile.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

The specific embodiment is as follows: referring to fig. 1-3, a spindle dismounting device of a numerical control machine tool comprises a clamping assembly 3 capable of holding a spindle, wherein the clamping assembly 3 comprises a sleeve 31, a plurality of holding tiles 35 capable of radially moving along the sleeve 31 are connected to the sleeve 31 in a sliding manner, rubber pads are arranged on the inner sides of the holding tiles 35, bolts 34 capable of pushing the holding tiles 35 to move are connected to the sleeve 31 in a threaded manner, threaded holes are formed in the sleeve 31, the bolts 34 are connected with the threaded holes in a threaded manner, pushing blocks 32 are arranged on two sides of the outer portion of the sleeve 31, pushing surfaces 321 inclined with the axis of the sleeve 31 are arranged on the outer sides of the pushing blocks 32, and an included angle between the pushing surfaces is preferably 60 degrees; the pushing frame 2 comprises a top plate 21 and a bottom plate 24 which are parallel to each other, second guide posts 22 for connecting the top plate and the bottom plate are arranged on two sides between the top plate and the bottom plate, the width between the two second guide posts 22 is larger than the diameter of a main shaft, the movable plate 23 is slidably connected with the second guide posts 22, a first threaded hole is formed in the bottom plate 24, a screw 25 capable of pushing the movable plate 23 to move is in threaded connection with the first threaded hole, pushing grooves 211 matched with pushing surfaces 321 are formed in the top plate 21 and the movable plate 23 so as to push the clamping assembly 3 to be away from the outer wall of the machine, and the contact surface of the pushing grooves 211 and the pushing surfaces 321 is identical to the inclination angle of the pushing surfaces 321. When the device is used, the pushing frame 2 is sleeved on the part of the main shaft extending out of the outer wall of the machine, one side of the pushing piece is abutted against the outer wall of the machine, then the clamping component 3 is sleeved on the main shaft of the pushing frame 2 on the side far away from the outer wall of the machine, then the pushing block 32 is positioned in the pushing groove 211, then the bolt 34 is rotated to hold the main shaft tightly, the screw 25 is rotated, the movable plate 23 is pushed to be close to the top plate 21, and at the moment, the clamping component 3 can be pushed away from the outer wall of the machine so as to pull out the main shaft, so that the operation is simpler and more convenient.

Preferably, the width of the pushing groove 211 is equal to or slightly larger than the width of the pushing block 32, so as to prevent the pushing block 32 from being separated from the pushing groove 211.

Specifically, third guide posts are disposed on two sides of the enclasping tile 35, and first guide holes matched with the third guide posts are disposed on the sleeve 31.

Preferably, the device further comprises a protection plate 1, and a through hole with the diameter larger than that of the main shaft is arranged on the protection plate 1. In use, the protection plate 1 is placed between the pushing frame 2 and the outer wall of the machine to prevent the outer wall of the machine from being scratched when the pushing frame 2 moves.

Preferably, the first guide posts 11 are disposed on two sides of the protection board 1, the guide blocks 33 are disposed on two sides of the outside of the sleeve 31, and the second guide holes matched with the first guide posts 11 are disposed on the guide blocks 33, so that the protection board 1 cannot rotate relative to the pushing frame 2, and the three can be assembled together.

In order to facilitate rotating the screw rod 25, one end of the screw rod is provided with a through hole, and the rotating rod is inserted into the through hole and can slide along the through hole, as shown in fig. 1, the part of the rotating rod on the left side of the screw rod 25 is longer at first, then the rotating rod rotates 180 degrees anticlockwise (anticlockwise when viewed from top to bottom) around the axis of the screw rod 25, at the moment, the part of the rotating rod on the right side of the screw rod 25 is longer, and the rotating rod is blocked by the outer wall of the machine and cannot rotate continuously, at the moment, the rotating rod is pushed to the left side, returns to the state in fig. 1, and can rotate continuously.

The foregoing embodiments are not intended to limit the present utility model, but while the present utility model has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, and any modifications, equivalents, improvements or changes that fall within the spirit and principle of the present utility model should be included in the scope of protection of the present utility model.

Claims (5)

1. The utility model provides a digit control machine tool main shaft dismounting device, includes clamping assembly (3) that can hug tightly the main shaft, clamping assembly (3) are including sleeve pipe (31), sliding connection has a plurality of enclasping tiles (35) that can follow its radial movement on sleeve pipe (31), enclasping tile (35) inboard is provided with the rubber pad, sleeve pipe (31) still threaded connection has bolt (34) that can promote enclasping tile (35) removal, its characterized in that: pushing blocks (32) are arranged on two sides of the outer part of the sleeve (31), and pushing surfaces (321) inclined with the axis of the sleeve (31) are arranged on the outer sides of the pushing blocks (32); still including pushing away frame (2), it includes roof (21) and bottom plate (24) that are parallel to each other and both sides between the two are provided with second guide post (22) that link together both, fly leaf (23) and second guide post (22) sliding connection, be provided with first screw hole on bottom plate (24), first screw hole threaded connection has screw rod (25) that can promote fly leaf (23) removal, all be provided with on roof (21) and fly leaf (23) with promote face (321) matched with so that promote clamping assembly (3) and keep away from pushing groove (211) of machine outer wall.

2. The numerical control machine tool spindle dismounting device according to claim 1, wherein: the width of the pushing groove (211) is equal to the width of the pushing block (32).

3. The numerical control machine tool spindle dismounting device according to claim 1, wherein: third guide posts are arranged on two sides of the enclasping tile (35), and first guide holes matched with the third guide posts are formed in the sleeve (31).

4. A numerical control machine tool spindle dismounting device as set forth in any one of claims 1-3, wherein: the spindle is characterized by further comprising a protection plate (1), wherein the protection plate (1) is provided with a through hole with the diameter larger than that of the spindle.

5. The numerical control machine tool spindle dismounting device as set forth in claim 4, wherein: the two sides of the protection board (1) are provided with first guide posts (11), the two sides of the outside of the sleeve (31) are provided with guide blocks (33), and the guide blocks (33) are provided with second guide holes matched with the first guide posts (11).