CN213163093U

CN213163093U - Main shaft of numerical control machine tool

Info

Publication number: CN213163093U
Application number: CN202021543186.2U
Authority: CN
Inventors: 刘荷花
Original assignee: Suzhou Taixun Intelligent Cnc Technology Co ltd
Current assignee: Suzhou Taixun Intelligent Cnc Technology Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-05-11
Anticipated expiration: 2030-07-30

Abstract

The utility model relates to an industry cutting technology field just discloses a digit control machine tool main shaft, including the center pin, the top middle part and the equal fixedly connected with connecting rod in bottom middle part of center pin, drive gear has been cup jointed at the middle part of one of them connecting rod, and the bottom cover of one of them connecting rod is equipped with the connecting loop bar, and first screw has all been seted up to the top both sides of connecting loop bar. The utility model discloses a be provided with connecting loop bar and pivot, make when needs take center pin and alloy rotor down to dismantle, accessible external instrument is with first fastening screw, first fastening nut, second fastening screw and second fastening nut are dismantled in proper order down, grip connecting loop bar and draw and get after that, make the bottom of one of them connecting rod break away from the inside of connecting loop bar, then separate first T type slider and connecting rod, promote the latch simultaneously, it is rotatory under the rotation of pivot to make the latch, separate with the connecting block, accomplish the dismantlement to the center pin then, and is convenient and fast.

Description

Main shaft of numerical control machine tool

Technical Field

The utility model relates to an industry cutting field specifically is a digit control machine tool main shaft.

Background

The spindle of a machine tool refers to a shaft of the machine tool for driving a workpiece or a tool to rotate, and generally comprises a spindle part including a spindle, a bearing, a transmission member, and the like, and is mainly used for supporting transmission parts such as gears and belt wheels in the machine tool and transmitting motion and torque.

The existing machine tool spindle is often single in structure, so that the central shaft is not convenient to disassemble when the central shaft is required to be disassembled or cleaned, the practicability is not strong, and the application range is narrow.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a digit control machine tool main shaft has the advantage of being convenient for dismantle the center pin, has solved the problem of being not convenient for dismantle when needs are dismantled or are washd the center pin.

(II) technical scheme

For realizing above-mentioned a lot of crushing, smash more thorough purpose, the utility model provides a following technical scheme: a numerical control machine tool spindle comprises a central shaft, connecting rods are fixedly connected to the middle of the top end and the middle of the bottom end of the central shaft, a transmission gear is sleeved at the middle of one of the connecting rods, a connecting sleeve rod is sleeved at the bottom of one of the connecting rods, first screw holes are formed in two sides of the top of the connecting sleeve rod, a second screw hole is formed in one side of the bottom of the connecting rod, a first fastening nut is connected to the top of one side of the connecting sleeve rod in a contact mode, a first fastening screw is connected to the inner portion of the first screw hole in a threaded mode, one end of the first fastening screw penetrates through the second screw hole and is connected with the first fastening nut in a threaded mode, a first T-shaped sliding groove is formed in the middle of the bottom end of the connecting sleeve rod, a first T-shaped sliding block is connected to the first T-shaped sliding groove in a sliding mode, and the top end, and the other connecting rod is fixedly connected with a connecting block at the top end, a clamping groove is formed in the middle of the top end of the connecting block, and clamping teeth are connected in the clamping groove of the connecting block in a clamping mode.

Preferably, third screw holes are formed in two sides of the middle of the connecting block, a fourth screw hole is formed in one side of the bottom of the clamping tooth, a second fastening nut is connected to the middle of one side of the connecting block in a contact mode, a second fastening screw is connected to the inner thread of the third screw hole, one end of the second fastening screw penetrates through the fourth screw hole, and the second fastening nut is connected to the second fastening screw in a threaded mode.

Preferably, the top of latch all is equipped with second T type slider with the bottom of first T type slider, the bottom of first T type slider and the top fixed connection of one of them second T type slider, the top of latch articulates in the bottom middle part of another second T type slider through the pivot.

Preferably, the outer sides of the two second T-shaped sliding blocks are provided with supports, a second T-shaped sliding groove is formed in the middle of the bottom end of one support and the middle of the top end of the other support, the second T-shaped sliding block is connected to the inside of one second T-shaped sliding groove in a sliding mode, and the second T-shaped sliding block is connected to the inside of the other second T-shaped sliding groove in a sliding mode.

Preferably, ball bearings are sleeved on the bottom of one of the second T-shaped sliding blocks and the top of the other second T-shaped sliding block, one of the ball bearings is connected to the middle portion between the two side groove walls of the bottom of one of the second T-shaped sliding grooves in a clamping manner, and the other ball bearing is connected to the middle portion between the two side groove walls of the bottom of the other second T-shaped sliding groove in a clamping manner.

Preferably, the middle part of the central shaft is sleeved with an alloy knife roller.

(III) advantageous effects

Compared with the prior art, the utility model provides a digit control machine tool main shaft possesses following beneficial effect:

1. according to the numerical control machine tool spindle, the connecting sleeve rod and the rotating shaft are arranged, so that when the central shaft and the alloy cutter roller need to be detached, a first fastening screw, a first fastening nut, a second fastening screw and a second fastening nut can be sequentially detached through an external tool, then the connecting sleeve rod is held and pulled, the bottom end of one connecting rod is separated from the inside of the connecting sleeve rod, then the first T-shaped sliding block is separated from the connecting rod, the clamping teeth are simultaneously pushed, the clamping teeth rotate under the rotating action of the rotating shaft and are separated from the connecting block, then the detachment of the central shaft is completed, and the numerical control machine tool spindle is convenient and rapid;

2. this digit control machine tool main shaft through being provided with drive gear for the accessible is connected to together drive gear and external driving gear meshing, then under the driving action of external driving gear, through the sliding connection effect between second T type slider and the support, makes the center pin under ball bearing's effect, and the fast rotation gets up in operation, convenient and fast.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged schematic view of the present invention at a in fig. 2;

fig. 4 is an enlarged schematic structural diagram of the present invention at B in fig. 2.

In the figure: 1. a central shaft; 2. a connecting rod; 3. a transmission gear; 4. connecting the loop bar; 5. a first fastening screw; 6. a first fastening nut; 7. a first T-shaped slider; 8. a second T-shaped slider; 9. a support; 10. a ball bearing; 11. connecting blocks; 12. a second fastening screw; 13. a second fastening nut; 14. clamping teeth; 15. a rotating shaft; 16. alloy knife roll.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the connecting device comprises a central shaft 1, connecting rods 2 are fixedly connected to the middle portion of the top end and the middle portion of the bottom end of the central shaft 1, a transmission gear 3 is sleeved on the middle portion of one of the connecting rods 2, a connecting sleeve rod 4 is sleeved on the bottom portion of one of the connecting rods 2, first screw holes are formed in both sides of the top portion of the connecting sleeve rod 4, second screw holes are formed in one side of the bottom portion of the connecting rod 2, a first fastening nut 6 is connected to the top portion of one side of the connecting sleeve rod 4 in a contact manner, a first fastening screw 5 is connected to the inner thread of the first screw hole in a threaded manner, one end of the first fastening screw 5 passes through the second screw hole and is connected to the first fastening nut 6 in a threaded manner, a first T-shaped sliding groove is formed in the middle portion of the bottom end of the connecting sleeve rod 4, a first, the top end of the other connecting rod 2 is fixedly connected with a connecting block 11, the middle part of the top end of the connecting block 11 is provided with a clamping groove, the clamping groove of the connecting block 11 is internally connected with a clamping tooth 14 in a clamping way, two sides of the middle part of the connecting block 11 are respectively provided with a third screw hole, one side of the bottom of the clamping tooth 14 is provided with a fourth screw hole, the middle part of one side of the connecting block 11 is connected with a second fastening nut 13 in a contact way, the inner thread of the third screw hole is connected with a second fastening screw 12, one end of the second fastening screw 12 passes through the fourth screw hole and is connected with a second fastening nut 13 in a threaded way, the top end of the clamping tooth 14 and the bottom end of the first T-shaped sliding block 7 are respectively provided with a second T-shaped sliding block 8, the bottom end of the first T-shaped sliding block 7 is fixedly connected with the top end of one of the second T-shaped sliding block 8, second T type spout has all been seted up with the top middle part of another support 9 in the bottom middle part of one of them support 9, 8 sliding connection of one of them second T type slider in the inside of one of them second T type spout, 8 sliding connection of another second T type slider in the inside of another second T type spout, ball bearing 10 has all been cup jointed with the top of another second T type slider 8 in the bottom of one of them second

T type slider

8, 10 blocks of one of them ball bearing connect in the middle part between the cell wall of one of them second T type spout bottom both sides, another ball bearing 10 block is connected in the middle part between the cell wall of another second T type spout bottom both sides, the middle part cover of center pin 1 is equipped with alloy rotor 16.

When in use, the utility model relates to a numerical control machine tool spindle, firstly holding an external tool, clamping and screwing a first fastening screw 5, so that the first fastening screw is connected to the inside of a first screw hole in a threaded manner, and a first fastening nut 6 is firmly connected to one end of the first fastening screw 5 in a threaded manner, then clamping and screwing a second fastening screw 12 through the external tool, so that the second fastening screw is connected to the inside of a third screw hole in a threaded manner, and a second fastening nut 13 is firmly connected to one end of the second fastening screw 12 in a threaded manner, then completing the fixed installation of the machine tool spindle, then meshing and connecting a transmission gear 3 and an external driving gear together, namely, the central shaft 1 can be rapidly rotated and operated under the action of a ball bearing 10 through the sliding connection between a second T-shaped slide block 8 and a support 9, which is convenient and rapid, when the central shaft 1 and an alloy cutter roller 16 need to be disassembled, earlier through external instrument, with first fastening screw 5, first fastening nut 6, second fastening screw 12 and second fastening nut 13 dismantle in proper order down, hold adapter sleeve 4 and draw after that, make the inside that the bottom of one of them connecting rod 2 breaks away from adapter sleeve 4, then separate first T type slider 7 and connecting rod 2, promote latch 14 simultaneously, make latch 14 rotatory under the rotation of pivot 15, then separate with connecting block 11, can dismantle center pin 1 down, and is convenient and fast.

In conclusion, this digit control machine tool main shaft is through being provided with connecting sleeve pole 4 and pivot 15 for when needs with center pin 1 and alloy rotor 16 dismantlement, accessible external instrument is with first fastening screw 5, first fastening nut 6, second fastening screw 12 and second fastening nut 13 dismantlement in proper order, grips connecting sleeve pole 4 and draws, makes the bottom of one of them connecting rod 2 break away from the inside of connecting sleeve pole 4, then separates first T type slider 7 and connecting rod 2, promotes latch 14 simultaneously, makes latch 14 rotatory under the rotation effect of pivot 15, separates with connecting block 11, then accomplishes the dismantlement to center pin 1, convenient and fast.

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

Claims

1. A numerical control machine tool spindle comprises a central shaft (1) and is characterized in that the middle of the top end and the middle of the bottom end of the central shaft (1) are fixedly connected with connecting rods (2), the middle of one connecting rod (2) is sleeved with a transmission gear (3), the bottom of one connecting rod (2) is sleeved with a connecting loop bar (4), two sides of the top of the connecting loop bar (4) are respectively provided with a first screw hole, one side of the bottom of the connecting rod (2) is provided with a second screw hole, the top of one side of the connecting loop bar (4) is in contact connection with a first fastening nut (6), the inner part of the first screw hole is in threaded connection with a first fastening screw (5), one end of the first fastening screw (5) penetrates through the second screw hole and is in threaded connection with the first fastening nut (6), the middle of the bottom end of the connecting loop bar (4) is provided with a first T-shaped chute, connect sliding connection in the first T type spout of loop bar (4) has first T type slider (7), the top of first T type slider (7) is connected with the bottom contact of one of them connecting rod (2), another the top fixedly connected with connecting block (11) of connecting rod (2), the draw-in groove has been seted up at the top middle part of connecting block (11), the block is connected with latch (14) in the draw-in groove of connecting block (11).

2. The numerical control machine tool spindle according to claim 1, characterized in that: third screw has all been seted up to the both sides at connecting block (11) middle part, the fourth screw has been seted up to bottom one side of latch (14), one side middle part contact of connecting block (11) is connected with second fastening nut (13), the internal thread of third screw has second fastening screw (12), the fourth screw is passed to the one end of second fastening screw (12), and threaded connection has second fastening nut (13).

3. The numerical control machine tool spindle according to claim 1, characterized in that: the top of latch (14) and the bottom of first T type slider (7) all are equipped with second T type slider (8), the bottom of first T type slider (7) and the top fixed connection of one of them second T type slider (8), the top of latch (14) articulates in the bottom middle part of another second T type slider (8) through pivot (15).

4. The numerical control machine tool spindle according to claim 3, characterized in that: two the outside of second T type slider (8) all is equipped with support (9), one of them second T type spout has all been seted up with the top middle part of another support (9) in the bottom middle part of support (9), one of them second T type slider (8) sliding connection is in the inside of one of them second T type spout, another second T type slider (8) sliding connection is in the inside of another second T type spout.

5. The numerical control machine tool spindle according to claim 4, characterized in that: the bottom of one of the second T-shaped sliding blocks (8) and the top of the other second T-shaped sliding block (8) are respectively sleeved with a ball bearing (10), one ball bearing (10) is connected to the middle portion between the groove walls on the two sides of the bottom of one of the second T-shaped sliding grooves in a clamped mode, and the other ball bearing (10) is connected to the middle portion between the groove walls on the two sides of the bottom of the other second T-shaped sliding groove in a clamped mode.

6. The numerical control machine tool spindle according to claim 1, characterized in that: and an alloy knife roller (16) is sleeved in the middle of the central shaft (1).