CN214162598U

CN214162598U - HSK-A100 vertical electric spindle

Info

Publication number: CN214162598U
Application number: CN202023207346.9U
Authority: CN
Inventors: 卢永刚
Original assignee: Puyang Wansong Precision Machinery Co ltd
Current assignee: Puyang Wansong Precision Machinery Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-10
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a vertical electric main shaft of HSK-A100, which comprises a mandrel positioned in the main shaft, wherein a pull rod is arranged in the mandrel and is fixed in the mandrel through a disc spring; the front end of the pull rod is provided with a pull claw for fixing the HSK knife handle; the outside of the mandrel is rotationally connected with the outer cylinder through a ceramic ball bearing and a rear bearing; the middle part of the mandrel is sleeved with a motor rotor, a motor stator is arranged outside the motor rotor, and a cooling water tank is arranged outside the motor stator; the tail of the mandrel is provided with a rear seat, one side of the rear seat is connected with a cylinder body, a piston is arranged in the cylinder body, a cylinder body end cover is further installed on one side of the cylinder body, and a broach interface, a broach release interface and a shaft center air blowing interface are arranged on the cylinder body end cover. The utility model has the advantages of high-power, big moment of torsion, automatic tool changing, water-cooling can be used to numerical control abrasive machining center, improves metal material's grinding milling machining efficiency greatly.

Description

HSK-A100 vertical electric spindle

Technical Field

The utility model relates to a vertical axle technical field specifically is a vertical electricity main shaft of HSK-A100.

Background

The rear end part of the automatic tool changing electric spindle is of a hydraulic cylinder structure, the hydraulic cylinder pushes the ejector pin to collide with the middle pull rod to enable the chuck to extend outwards, so that the tool falls off, then the equipment can automatically grab the tool by using the shaft platform, then the rear end part of the spindle supplies hydraulic pressure by using the electromagnetic valve to enable the tool to be clamped, and the process is called automatic tool changing.

The metal texture is relatively hard, so the main shaft has strong power when cutting the metal texture, the required power is large, the torque and the rotating speed are also required to a certain extent, and the machining precision can be better ensured by machining at high rotating speed. At present, most of electric main shafts of vertical mills adopt a structure of manually replacing a grinding head, so that the processing time is prolonged, and the production period is prolonged.

Secondly, grinding processing belongs to high-precision processing, the requirement on precision is very high in the processing process, particularly for core parts, when a workpiece is subjected to precision milling, grinding or polishing, if a main shaft does not meet the requirement on processing precision, materials can be seriously damaged or even scrapped, and great cost loss is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical electricity main shaft of HSK-A100 has high-power, big moment of torsion, automatic tool changing, advantages such as water-cooling can be used to numerical control abrasive machining center, improves metal material's grinding milling process efficiency greatly to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a vertical electric spindle of HSK-A100 comprises a spindle positioned in the spindle, wherein a pull rod is arranged in the spindle and is fixed in the spindle through a disc spring; the front end of the pull rod is provided with a pull claw for fixing the HSK knife handle; the outer part of the mandrel is rotationally connected with the outer cylinder through a ceramic ball bearing and a rear bearing; the middle part of the mandrel is sleeved with a motor rotor, a motor stator is arranged outside the motor rotor, and a cooling water tank is arranged outside the motor stator; the tail part of the mandrel is provided with a rear seat, one side of the rear seat is connected with a cylinder body, a piston is arranged in the cylinder body, and a proximity switch is arranged at the connecting position of the piston and a pull rod in the mandrel; and a cylinder body end cover is further installed on one side of the cylinder body, and a broach interface, a cutter loosening interface and a shaft center air blowing interface are arranged on the cylinder body end cover.

Preferably, the front end faces of the outer cylinder and the mandrel are provided with a front gland and a dust cover.

Preferably, an outer spacer bush and an inner spacer bush are arranged between the ceramic ball bearings, and a locking nut is arranged at the tail of the ceramic ball bearing.

Preferably, the rear bearing is arranged in a bearing chamber at the rear end of the mandrel, the bearing chamber is arranged in a rear bearing seat, and a rear gland is arranged on the rear bearing seat; the tail end of the mandrel is sleeved with a gear outside the rear gland, and a magnetic induction encoder is arranged on one side close to the gear.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. according to the vertical electric spindle of the HSK-A100, 4 high-performance high-speed ceramic bearings are adopted at the front end of the spindle, so that the rigidity and the rotation precision of the front end of the spindle are improved.

2. The vertical electric spindle of the HSK-A100 can be flexibly used in a numerical control machine tool, and can realize the use of automatically replaced high-speed rotating tools by utilizing various standard tool changing systems, so that the processing efficiency of the machine tool is improved.

3. The vertical electric spindle of the HSK-A100 adopts sensor structures such as a proximity switch and a magnetic induction encoder inside, can detect the displacement of a hydraulic cylinder piston in real time to control a tool changing mechanism of the spindle, is simple in driving control, and improves production safety and production efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. pulling a claw; 2. a mandrel; 3. a dust cover; 4. a front gland; 5. an outer cylinder; 6. an outer spacer sleeve; 7. an inner spacer sleeve; 8. a ceramic ball bearing; 9. locking the nut; 10. a cooling water tank; 11. a motor stator; 12. a motor rotor; 13. a disc spring; 14. a pull rod; 15. a rear bearing seat; 16. a bearing chamber; 17. a rear bearing; 18. a rear gland; 19. a magnetic induction encoder; 20. a gear; 21. a rear seat; 22. a proximity switch; 23. a cylinder body; 24. a piston; 25. a cylinder end cover; 26. a broach interface; 27. loosening the cutter interface; 28. the axle center blows the interface.

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, a vertical electric spindle of HSK-a100 includes a spindle 2 located inside the spindle, a pull rod 14 is disposed inside the spindle 2, and the pull rod 14 is fixed inside the spindle 2 through a disc spring 13; the front end of the pull rod 14 is provided with a pull claw 1 for fixing the HSK knife handle; the outside of the mandrel 2 is rotationally connected with the outer cylinder 5 through a ceramic ball bearing 8 and a rear bearing 17; a motor rotor 12 is sleeved in the middle of the mandrel 2, a motor stator 11 is arranged outside the motor rotor 12, and a cooling water tank 10 is arranged outside the motor stator 11; the tail part of the mandrel 2 is provided with a rear seat 21, one side of the rear seat 21 is connected with a cylinder body 23, a piston 24 is arranged in the cylinder body 23, and a proximity switch 22 is arranged at the connecting position of the piston 24 and the pull rod 14 in the mandrel 2; a cylinder end cover 25 is further mounted on one side of the cylinder 23, and a broach interface 26, a broach interface 27 and a shaft center blowing interface 28 are arranged on the cylinder end cover 25.

In the above embodiment, the front end surfaces of the outer cylinder 5 and the spindle 2 are mounted with the front gland 4 and the dust cap 3.

In the above embodiment, the outer spacer 6 and the inner spacer 7 are arranged between the ceramic ball bearings 8, the lock nut 9 is arranged at the tail of the ceramic ball bearing 8, and 4 high-performance high-speed ceramic ball bearings 8 are adopted, so that the rigidity and the rotation precision of the front end of the main shaft are increased.

In the above embodiment, the rear bearing 17 is installed in the bearing chamber 16 at the rear end of the spindle 2, the bearing chamber 16 is provided in the rear bearing housing 15, and the rear gland 18 is installed on the rear bearing housing 15; the tail end of the mandrel 2 is sleeved with a gear 20 outside the rear gland 18, and a magnetic induction encoder 19 is arranged on one side close to the gear 20.

The working principle is as follows: in the working process of the vertical electric spindle of the HSK-A100, a pull rod 14 in a mandrel 2 pulls a pull claw 1 tightly through the pre-pressure of a disc spring 13, a front-end cutter is fixed on the spindle, and the mandrel 2 drives the cutter to synchronously rotate, so that the cutting processing engineering of the cutter is realized; when a tool needs to be replaced, a tool releasing electromagnetic valve connected with the tool releasing interface 27 is switched on, hydraulic oil is introduced into the tool releasing interface 27 of the hydraulic cylinder, the piston 24 pushes the pull rod 14 to move forwards, so that the pull claw 1 finishes releasing action, after the tool is replaced, the tool pulling electromagnetic valve connected with the tool pulling interface 26 is switched on, the tool pulling interface 26 in the hydraulic cylinder is introduced with the hydraulic oil, the piston 24 of the hydraulic cylinder moves backwards, the pressure on the disc spring 13 acts on the pull rod 14 again, the tool is clamped, and the automatic tool changing process is achieved.

In summary, the following steps: according to the vertical electric spindle of the HSK-A100, the spindle 2 is positioned in the spindle, the pull rod 14 is arranged in the spindle 2, the pull rod 14 is fixed in the spindle 2 through the disc spring 13, and the pull rod 13 can make axial relative displacement to finish clamping and loosening actions of the pull claw 1; the front end of the pull claw 1 is used for fixing the HSK cutter handle, the mandrel 2 is rotatably connected with the outer barrel 5 through the ceramic ball bearing 8 and the rear bearing 17, the rigidity and the rotating precision of the front end of the spindle are increased, an independent cooling pipeline is adopted outside the motor stator 11, the high-power large-torque motor has the advantages of being high in power, large in torque, capable of automatically changing tools, water-cooling and the like, and can be used for a numerical control grinding machining center, and the grinding and milling machining efficiency of metal materials is greatly improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 vertical electric main shaft of HSK-A100, includes the dabber (2) that is located the inside of main shaft, its characterized in that: a pull rod (14) is arranged in the mandrel (2), and the pull rod (14) is fixed in the mandrel (2) through a disc spring (13); the front end of the pull rod (14) is provided with a pull claw (1) for fixing the HSK knife handle; the outside of the mandrel (2) is rotationally connected with the outer cylinder (5) through a ceramic ball bearing (8) and a rear bearing (17); a motor rotor (12) is sleeved in the middle of the mandrel (2), a motor stator (11) is arranged outside the motor rotor (12), and a cooling water tank (10) is arranged outside the motor stator (11); the tail of the mandrel (2) is provided with a rear seat (21), one side of the rear seat (21) is connected with a cylinder body (23), a piston (24) is arranged in the cylinder body (23), and a proximity switch (22) is arranged at the connecting position of the piston (24) and a pull rod (14) in the mandrel (2); and a cylinder body end cover (25) is further installed on one side of the cylinder body (23), and a broach interface (26), a cutter loosening interface (27) and a shaft center air blowing interface (28) are arranged on the cylinder body end cover (25).

2. The vertical motorized spindle for HSK-a100 according to claim 1, wherein: and a front gland (4) and a dust cover (3) are arranged on the front end faces of the outer barrel (5) and the mandrel (2).

3. The vertical motorized spindle for HSK-a100 according to claim 1, wherein: an outer spacer (6) and an inner spacer (7) are arranged between the ceramic ball bearings (8), and a locking nut (9) is arranged at the tail of each ceramic ball bearing (8).

4. The vertical motorized spindle for HSK-a100 according to claim 1, wherein: the rear bearing (17) is arranged in a bearing chamber (16) at the rear end of the mandrel (2), the bearing chamber (16) is arranged in a rear bearing seat (15), and a rear gland (18) is arranged on the rear bearing seat (15); the tail end of the mandrel (2) is sleeved with a gear (20) outside the rear gland (18), and a magnetic induction encoder (19) is arranged on one side close to the gear (20).