CN219443452U

CN219443452U - Length-adjustable main shaft structure

Info

Publication number: CN219443452U
Application number: CN202320504691.3U
Authority: CN
Inventors: 李剑波; 李自清
Original assignee: Haifu Spindle Technology Shanghai Co ltd
Current assignee: Haifu Spindle Technology Shanghai Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-08-01
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses a length-adjustable main shaft structure, which has the technical scheme that: the device comprises a box body, wherein a first connecting hole is formed in one side of the box body, a shaft sleeve is fixedly sleeved on the inner circular wall surface of the first connecting hole, a sealing bearing is fixedly sleeved on the inner circular wall surface of the shaft sleeve, a rotating column is fixedly sleeved on the inner circular wall surface of an inner ring of the sealing bearing, a second connecting hole is formed in one end of the rotating column, and a central shaft is movably sleeved on the inner circular wall surface of the second connecting hole; the adjusting component is arranged at one end of the rotating column and used for adjusting the length of the central shaft, and the electric spindle is prevented from possibly causing the processing of parts with different lengths to be out of place when the electric spindle is used by being matched with each other through the driving motor, the PLC, the screw rod, the connecting block, the connecting rod, the central shaft and the limiting rod.

Description

Length-adjustable main shaft structure

Technical Field

The utility model relates to the technical field of motorized spindles, in particular to a length-adjustable spindle structure.

Background

The electric spindle is a new technology which integrates the machine tool spindle and the spindle motor in the field of numerical control machine tools, pushes high-speed processing to a new era together with linear motor technology and high-speed cutter technology, is a set of components and comprises the electric spindle and accessories thereof, namely the electric spindle, a high-frequency conversion device, an oil mist lubricator, a cooling device, a built-in encoder, a cutter changing device and the like, wherein a rotor of a motor is directly used as the spindle of the machine tool, a shell of a spindle unit is a motor base, and is matched with other parts to realize the integration of the motor and the machine tool spindle.

For example, chinese patent publication No. CN210848348U, in which an electric spindle structure is proposed, the electric spindle structure has the advantage of excellent heat dissipation performance through the arrangement of the rear casing, the heat dissipation tube, the front casing, the end cover, the rotating shaft, the spindle, the cooling jacket, the stator and the rotor, and meanwhile, the problem that the existing electric spindle integrates the motor in the spindle unit, and the rotating speed is very high, a large amount of heat is generated during operation, causing the temperature rise of the electric spindle, so that the thermal state characteristic and the dynamic characteristic of the electric spindle are poor, thereby affecting the normal operation of the electric spindle is solved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a length-adjustable main shaft structure, which solves the problems that the machining distance is possibly limited when the electric main shaft is used for machining parts, and the parts with different lengths are possibly not machined in place and are not beneficial to machining the parts.

The technical aim of the utility model is realized by the following technical scheme:

the length-adjustable main shaft structure comprises a box body, wherein a first connecting hole is formed in one side of the box body, a shaft sleeve is fixedly sleeved on the inner circular wall surface of the first connecting hole, a sealing bearing is fixedly sleeved on the inner circular wall surface of the shaft sleeve, a rotating column is fixedly sleeved on the inner circular wall surface of an inner ring of the sealing bearing, a second connecting hole is formed in one end of the rotating column, and a central shaft is movably sleeved on the inner circular wall surface of the second connecting hole; the adjusting part, the adjusting part is offered the one end of post rotates for adjust the length of center pin, the adjusting part includes: the third connecting hole, the one end of spliced pole is seted up to the third connecting hole, the inside fixed driving motor that has cup jointed of third connecting hole, one side fixed mounting of box has the PLC controller, the PLC controller with driving motor electric connection, the one end fixed mounting of driving motor drive shaft has the lead screw, two fixed blocks have been cup jointed to the inside of spliced pole, the fixed orifices has been seted up to the one end of fixed block, the fixed bearing that has cup jointed of interior circular wall of fixed orifices, the interior circular wall of bearing inner ring with the fixed cup joint of outer circular wall of lead screw, the first spacing hole has been seted up to the one end of fixed block, the interior circular wall of first spacing hole has fixedly cup jointed the gag lever post, the one end fixed mounting of center pin has the connecting rod, the one end fixed mounting of connecting rod has the connecting block, first screw hole with lead screw threaded connection, the second spacing hole has been seted up to the one end of connecting block, the gag lever post with the activity of second spacing hole has cup jointed, be located the right side the fixed block has fixedly cup jointed of fixed circular center pin with the fixed ring, the fixed center pin has cup jointed of movable center pin.

Through adopting above-mentioned technical scheme, through the driving motor that sets up, thereby the staff rotates through the drive shaft that starts PLC controller drive driving motor and drives the lead screw and rotate, then the connecting block can drive connecting rod and center pin and remove along the gag lever post, probably leads to processing not in place when preventing that the electric main shaft from processing the part of different length, is favorable to the processing of part.

Preferably, two fixing frames are fixedly arranged on the bottom surface of the box body.

Through adopting above-mentioned technical scheme, thereby the staff fixes the box through fixing the mount on the platform through the mount that sets up, can prevent that the box from taking place to rock when processing the part, is favorable to the processing of part.

Preferably, handles are fixedly arranged on two sides of the box body respectively.

Through adopting above-mentioned technical scheme, through the handle that sets up, the staff drives the box through pulling the handle and removes, makes things convenient for the staff to remove the box.

Preferably, a plurality of heat dissipation holes are respectively formed on two sides of the box body.

Through adopting above-mentioned technical scheme, through the louvre that sets up, be convenient for dispel the heat to the box after the part processing is accomplished, prevent that the inside high temperature of box from probably leading to the inside part of axle sleeve impaired.

Preferably, the top surface of box is provided with the case lid, the top surface of box with the top surface of case lid has seted up a plurality of second screw hole respectively, and upper and lower two adjacent the interior circular wall face threaded connection of second screw hole has the screw thread post.

Through adopting above-mentioned technical scheme, through the screw thread post that sets up, the staff is fixed case lid and box through twisting the screw thread post, and the staff can be used when the maintenance and unscrew the screw thread post and make the screw thread post break away from case lid and box, then through shifting out the top of case lid from the box, makes things convenient for the staff to overhaul.

Preferably, a storage battery is fixedly arranged on the top surface of the box cover, and the storage battery is electrically connected with the PLC and the driving motor.

Through adopting above-mentioned technical scheme, through the battery of setting up, can carry out the power supply to PLC controller and driving motor.

In summary, the utility model has the following advantages:

under the mutually supporting use of driving motor, PLC controller, lead screw, connecting block, connecting rod, center pin and gag lever post through setting up, prevent that the electricity main shaft from processing the part of different length when probably leading to processing not in place, be favorable to the processing of part.

Drawings

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

FIG. 2 is a schematic view of a turning column structure according to the present utility model;

FIG. 3 is a schematic view of the partial structure of A in FIG. 2;

fig. 4 is a partial structural schematic diagram of B in fig. 2.

Reference numerals: 1. a case; 2. a first connection hole; 3. a shaft sleeve; 4. sealing the bearing; 5. rotating the column; 6. a second connection hole; 7. a central shaft; 8. a third connection hole; 9. a driving motor; 10. a screw rod; 11. a fixed block; 12. a fixing hole; 13. a bearing; 14. a first limiting hole; 15. a limit rod; 16. a connecting rod; 17. a connecting block; 18. a first threaded hole; 19. a second limiting hole; 20. a third limiting hole; 21. a fixing ring; 22. a fixing frame; 23. a handle; 24. a heat radiation hole; 25. a case cover; 26. a second threaded hole; 27. a threaded column; 28. and a storage battery.

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, fig. 2, fig. 3 and fig. 4, a length-adjustable spindle structure comprises a box body 1, wherein a first connecting hole 2 is formed in one side of the box body 1, a shaft sleeve 3 is fixedly sleeved on the inner circular wall surface of the first connecting hole 2, a sealing bearing 4 is fixedly sleeved on the inner circular wall surface of the shaft sleeve 3, a rotating column 5 is fixedly sleeved on the inner circular wall surface of the inner ring of the sealing bearing 4, the rotating column 5 is of a hollow cylindrical structure, a second connecting hole 6 is formed in one end of the rotating column 5, and a central shaft 7 is movably sleeved on the inner circular wall surface of the second connecting hole 6; an adjusting part has been seted up to the one end of pivoted post 5 for adjust the length of center pin 7, adjusting part includes: the third connecting hole 8, the one end at the spliced pole 5 is offered in the third connecting hole 8, the inside fixed drive motor 9 that has cup jointed of third connecting hole 8, one side fixed mounting of box 1 has the PLC controller, the PLC controller is with drive motor 9 electric connection, the one end fixed mounting of drive motor 9 drive shaft has lead screw 10, two fixed blocks 11 have been cup jointed to the inside fixed of spliced pole 5, fixed orifices 12 have been seted up to the one end of fixed block 11, the fixed bearing 13 that has cup jointed of interior wall of bearing 13 inner ring and the outer disc of lead screw 10 are fixed, first spacing hole 14 has been seted up to the one end of fixed block 11, the interior wall of first spacing hole 14 is fixed to cup joint gag lever post 15, the one end fixed mounting of center pin 7 has connecting rod 16, the one end fixed mounting of connecting rod 16 has connecting block 17, first screw hole 18 and lead screw 10 threaded connection, second spacing hole 19 have been seted up to the one end of connecting block 17, gag lever 15 and second spacing hole 19 activity cup joint, the fixed block 11 that is located the right side has seted up the third spacing hole 20, the fixed part 20 has been cup jointed with the outside the fixed drive motor of drive motor 10 along the fixed length of drive shaft 21, can not cup joint the drive motor is carried out to the drive shaft through the fixed length of drive motor 9 with the fixed drive motor that the drive motor 7, then can not drive the drive shaft is cup joint to the drive shaft through the fixed length of connecting rod 21, the fixed length of drive motor is driven by the connecting rod 7, the fixed joint of the connecting rod is driven by the drive motor is not to the drive shaft 7, the drive shaft is driven by the drive shaft is connected to the drive shaft is connected with the drive motor is driven by the drive motor is.

Referring to fig. 1 and 2, two fixing frames 22 are fixedly installed on the bottom surface of the box body 1, handles 23 are fixedly installed on two sides of the box body 1 respectively, a plurality of radiating holes 24 are formed in two sides of the box body 1 respectively, a box cover 25 is arranged on the top surface of the box body 1, a plurality of second threaded holes 26 are formed in the top surface of the box body 1 and the top surface of the box cover 25 respectively, threaded columns 27 are connected with the inner circular wall surfaces of the upper adjacent second threaded holes 26 and the lower adjacent second threaded holes in a threaded manner, a storage battery 28 is fixedly installed on the top surface of the box cover 25, the storage battery 28 is electrically connected with the PLC controller and the driving motor 9, through the arranged threaded columns 27, workers can fix the box cover 25 with the box body 1 by screwing the threaded columns 27, the threaded columns 27 can be unscrewed by the workers during maintenance, so that the threaded columns 27 are separated from the box cover 25 and the box body 1, and then the workers can conveniently maintain the maintenance by moving the box cover 25 out of the upper side of the box body 1.

Working principle: referring to fig. 1-4, through the driving motor 9, a worker drives the driving shaft of the driving motor 9 to rotate by starting the PLC controller to drive the screw rod 10 to rotate, and then the connecting block 17 drives the connecting rod 16 and the central shaft 7 to move along the limit rod 15, so that the situation that the parts with different lengths cannot be processed in place when the electric spindle processes the parts is prevented, and the machining of the parts is facilitated.

Through the screw thread post 27 that sets up, the staff is fixed case lid 25 and box 1 through twisting screw thread post 27, and the staff can be used when the maintenance unscrews screw thread post 27 and makes screw thread post 27 break away from in case lid 25 and the box 1, then through removing case lid 25 from the top of box 1, makes things convenient for the staff to overhaul.

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. A length-adjustable spindle structure, comprising:

the box body (1), first connecting hole (2) has been seted up to one side of box body (1), the interior round wall of first connecting hole (2) is fixed to be cup jointed axle sleeve (3), the interior round wall of axle sleeve (3) is fixed to be cup jointed sealed bearing (4), the interior round wall of sealed bearing (4) inner ring is fixed to be cup jointed rotation post (5), second connecting hole (6) have been seted up to one end of rotation post (5), the interior round wall activity of second connecting hole (6) has cup jointed center pin (7);

the adjusting part, the adjusting part is seted up the one end of post (5) rotates for adjust the length of center pin (7), the adjusting part includes: the third connecting hole (8), the one end of spliced pole (5) is seted up in spliced pole (5), the inside fixed sleeve of spliced pole (8) has drive motor (9), one side fixed mounting of box (1) has the PLC controller, the PLC controller with drive motor (9) electric connection, the one end fixed mounting of drive motor (9) drive shaft has lead screw (10), the inside fixed sleeve of spliced pole (5) has two fixed blocks (11), fixed orifices (12) have been seted up to the one end of fixed block (11), the interior wall of fixed orifices (12) has fixedly sleeve of bearing (13), the interior wall of bearing (13) inlayer with the outer circular wall of lead screw (10) has fixedly sleeve, first spacing hole (14) have been seted up to the one end of fixed block (11), the interior wall of first spacing hole (14) has fixedly sleeve of limiting rod (15), the one end fixed mounting of center pin (7) has connecting rod (16), connecting rod (17) have been seted up to the one end of fixed mounting (17) and threaded hole (17) have been seted up in the first end (17) of connecting rod (17), the limiting rod (15) is movably sleeved with the second limiting hole (19), the fixed block (11) on the right side is provided with a third limiting hole (20), the connecting rod (16) is movably sleeved with the third limiting hole (20), the fixing ring (21) is fixedly sleeved in the rotating column (5), and the central shaft (7) is movably sleeved with the fixing ring (21).

2. A length adjustable spindle configuration according to claim 1, wherein: two fixing frames (22) are fixedly arranged on the bottom surface of the box body (1).

3. A length adjustable spindle configuration according to claim 1, wherein: handles (23) are fixedly arranged on two sides of the box body (1) respectively.

4. A length adjustable spindle configuration according to claim 1, wherein: a plurality of radiating holes (24) are respectively formed in two sides of the box body (1).

5. A length adjustable spindle configuration according to claim 1, wherein: the top surface of box (1) is provided with case lid (25), the top surface of box (1) with the top surface of case lid (25) has seted up a plurality of second screw hole (26) respectively, and upper and lower two adjacent interior circular wall threaded connection of second screw hole (26) has screw thread post (27).

6. The adjustable length spindle structure of claim 5, wherein: the top surface of case lid (25) is fixed mounting has battery (28), battery (28) with PLC controller with driving motor (9) electric connection.