CN217831884U - Automatic tool changing electric spindle suitable for machining center - Google Patents
Automatic tool changing electric spindle suitable for machining center Download PDFInfo
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- CN217831884U CN217831884U CN202221349437.2U CN202221349437U CN217831884U CN 217831884 U CN217831884 U CN 217831884U CN 202221349437 U CN202221349437 U CN 202221349437U CN 217831884 U CN217831884 U CN 217831884U
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Abstract
The utility model belongs to the technical field of equipment, concretely relates to be fit for machining center's automatic tool changing motorized spindle, include: the stabilizing assembly comprises a front bearing seat and a rear bearing seat which are arranged at the front and the rear of the rotor and a broach rod which is coaxially arranged on the mandrel; the inner gear of the front bearing is connected with a locking piece; the rear end of the broach rod is coaxially abutted with a cylinder, a flexible clamping jaw for traction and pushing is coaxially arranged in front of the broach rod, and the inner cambered surface of the flexible clamping jaw is attached to the outer cambered surface of the tail of the external cutter handle; an adjusting cavity is arranged between the broach rod and the mandrel, and a plurality of disc springs are arranged in the adjusting cavity. The pretightening force of the broaching tool bar is adjusted through the disc spring, the slow release spring is quickly in place and slowly releases pressure, the flexible clamping jaws promote the broaching tool bar to push and pull the tool changing and buffer clamping of the automatic tool, and the water cooling flow channel is connected with the water nozzle to form a water cooling circulation loop channel, so that the effects of stability, durability, safety and reliability of the automatic tool changing electric spindle suitable for a machining center are realized.
Description
Technical Field
The utility model belongs to the technical field of equipment, concretely relates to automatic tool changing motorized spindle who is fit for machining center.
Background
The electric spindle is a new technology integrating a machine tool spindle and a spindle motor, is well matched with a linear motor and an automatic cutter, and leads high-speed machining to enter a new era. As a combined transmission structure of a spindle motor and a machine tool spindle, the motor spindle shortens the length of a machine tool main transmission chain to zero, and zero transmission of the machine tool is realized; the main shaft part is a main shaft unit independently from a transmission system of the equipment, and has the performance advantages of high rotating speed, high precision, low noise and compact structure and quick response. The rotation speed of the electric spindle of the machining center reaches more than 2 ten thousand revolutions per minute, so that single-clamping multiplexing of an automatic tool changing structure is inevitably configured, and the machining precision is improved; the strength moment of the tool changing structure does not have an overhigh requirement objectively, but the cylinder and the broach rod must be matched accurately and stably, so that the requirements of compact structure and rapid response are met.
The water cooling method of circulating cooling is firstly pushed to be most directly and effectively to ensure the characteristics of high rotating speed, high precision and low noise of the electric spindle, and the defects of frequent water change and frequent monitoring are realized. Aiming at the rotating speed below 1 ten thousand rpm, the common water cooling method is a key means for achieving the aim that in order to meet the requirements of high rotating speed and high precision, a stable and reliable cooling and stable and balanced structure and a stable and safe tool changing device are combined to form an automatic tool changing electric spindle suitable for a machining center.
The disc spring, also known as a Belleville spring washer, is a special spring which axially bears load, and after being pressed, the disc spring accumulates certain potential energy and relaxes to release partial potential energy; the stress distribution of the disc spring is uniformly decreased from inside to outside, the effect of low stroke and high compensation force can be realized, the disc spring is used for occasions with narrow end face range or tight axial space, and the disc spring is very suitable for application of an automatic tool changing electric spindle due to the fact that multiple energy release is superposed when the stroke is limited.
The traditional Chinese patent with publication number CN209970265U discloses an external lathe electric spindle water-cooling heat insulation device, which comprises a water-cooling disc end cover 1 and a water channel 6, wherein the water channel 6 is arranged in the water-cooling disc end cover 1, the water-cooling disc end cover 1 is provided with a water pipe connector 2, the water pipe connector 2 is communicated with the water channel 6, and the water pipe connector 2 is communicated with an external cooling liquid circulation device. Through the integration of the water cooling structure and the front end cover, the heat dissipation of the electric spindle is partially solved under the condition that the axial size of the electric spindle is not increased, the spindle box is smoothly isolated, and the bearing of a rear bearing of the spindle is effectively reduced.
The above prior art solution has the following drawbacks: although the problem of heat dissipation of effectively keeping apart the headstock under not adjusting the size is solved, this scheme still lacks reliable and stable cooling, stable balanced structure and stable safe tool changer to can't guarantee machining center's automatic tool changing electricity main shaft's safe and reliable and lasting high efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic tool changing motorized spindle who is fit for machining center satisfies reliable and stable cooling, stable balanced's structure and stabilizes comprehensive requirements such as safe tool changer to the comprehensive stable function that makes the automatic tool changing motorized spindle who is fit for machining center can promote comprehensively and fully perfect.
In order to solve the technical problem, the utility model provides an automatic tool changing motorized spindle who is fit for machining center, include: the rotor comprises a mandrel, a rotor, a stator and a shell which are coaxially arranged from inside to outside, wherein a stabilizing assembly is arranged between the mandrel and the shell;
the stabilizing assembly comprises a front bearing seat and a rear bearing seat which are arranged at the front and the rear of the rotor and a broach rod which is coaxially arranged in the mandrel;
front bearings are arranged at the front end and the rear end of the front bearing seat;
a rear bearing is arranged in the rear bearing seat in parallel;
the front bearing inner stop is abutted with a locking piece, the rear bearing inner stop is attached with a rear end cover, and the front bearing seat and the locking piece are connected with a front end cover;
the rear end of the broach rod is coaxially abutted with a cylinder;
a flexible clamping jaw for traction and pushing is coaxially arranged in front of the cutter pulling rod;
furthermore, an adjusting cavity is arranged between the broach rod and the mandrel, and the stabilizing assembly further comprises a plurality of disc springs arranged in the adjusting cavity;
the disc spring is used for adjusting the pretightening force of the air cylinder in a superposition manner.
Furthermore, a cylinder seat is arranged at the rear end of the cylinder, and the stabilizing assembly further comprises a plurality of slow-release springs arranged between the rear wall of the cylinder and the front wall of the cylinder seat;
the slow release spring is used for directly adjusting the traction and thrust force of the cylinder.
Furthermore, the stabilizing assembly further comprises a U-shaped oil seal arranged in a concave mode on the front end cover, a clamping sleeve arranged between the front bearings and a clamping ring abutted against an inner gear of the rear bearing, and the clamping sleeve and the clamping ring are used for stabilizing the front bearings and the rear bearing.
Further, a flow guide end cover is arranged on the rear side of the cylinder seat;
the stabilizing assembly further comprises a water-cooling runner arranged in the inner cavity of the shell and a water nozzle used for connecting the water-cooling runner through a pipe and arranged on the rear side of the flow guide end cover;
the water nozzle pipe is connected with the water-cooling flow passage and used for cooling the shell cavity.
Furthermore, the stabilizing assembly also comprises a plurality of longitudinal through holes arranged on the periphery of the front bearing seat and a plurality of transverse through holes arranged on the end face of the front bearing seat in the circumferential direction;
the periphery of the front end cover is provided with a longitudinal through hole which is coaxially communicated with the longitudinal through hole,
the longitudinal through holes are communicated with the transverse through holes and are used for integrally cooling the front bearing block.
Furthermore, the stabilizing assembly also comprises a plurality of sealing gaskets arranged on the periphery of the locking piece;
the sealing gasket is used for sealing between the locking piece and the front end cover;
the air cylinder and the longitudinal through hole are connected with an external air pump through pipes;
the transverse perforated pipe is connected with an external air nozzle;
the water nozzle pipe is connected with an external water pump.
The utility model has the advantages that:
1. the number parameters of the wavy disc springs are preset, the pretightening nuts are adjusted, the disc springs are additionally arranged to stably adjust the pretightening force of the air cylinder to the tension cutter bar through accurate movement and impact-relieving low-stroke high-compensation characteristics, and the functions of improving precision, strengthening and reducing noise are achieved; the front end of the broach rod is provided with a flexible clamping jaw, the inner arc surface of the flexible clamping jaw and the outer arc surface of the tail of the automatic cutter handle can be highly fitted, the number of grooves formed on the flexible clamping jaw, the depth of the grooves, the width of the grooves and the wall thickness of the clamping jaw are set to adjust clamping force, and accurate push-pull tool changing and lossless buffering clamping of the broach rod on a cutter are realized; the cylinder provides the kinetic energy for pulling and pushing the broach rod, and the slow-release spring realizes quick in-place slow pressure release by preset turns, specifications and materials; the surface of the U-shaped oil seal is coated with a medium to adsorb impurities, and the sealing medium is difficult to overflow for lubrication and cooling after being placed for a long time in a bent gap; the front bearing and the rear bearing are made of high-rigidity damping materials, the locking part is screwed with the mandrel and is matched with the clamping sleeve to abut against the inner stop of the front bearing so as to enhance the axial stability of the front end; rear bearing and dress make the even atress of rear end, the rear end lid connects the dabber soon and cooperates the snap ring, the interior shelves of butt rear bearing are with reinforcing rear end axial stability, sealed pad maintains retaining member circumference sealed, the same level of front and back atress department, the rotor effective control deformation is pressed close to the stress point reduces and beats, all parts are coaxial, stable connection between front and back bearing and front and back end lid, good size form and position precision and balanced atress become the important assurance of high rotational speed and high accuracy, satisfy the automatic tool changing electricity main shaft that is fit for machining center and stabilize lasting and safe and reliable's demand.
2. The front end is cooled by high-efficiency air cooling through the rapid and uniform cooling of the water-cooling flow channel, the longitudinal through hole is vertically communicated with the transverse through hole, and the longitudinal through hole is communicated with the longitudinal through hole to strengthen the front end air cooling and the front bearing indirect cooling; the water nozzles are connected with the water cooling flow channels to form a front water cooling circulation loop, a rear water cooling circulation loop and an inner water cooling circulation channel and an outer water cooling circulation channel, and the whole cooling circulation shows stable and low-noise quality, so that the effects of stability, reliability, safety and convenience of the automatic tool changing electric spindle suitable for a machining center are comprehensively realized.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments or the prior art descriptions are briefly introduced below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of an automatic tool changing motorized spindle suitable for a machining center according to the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
in the figure:
1. a mandrel;
2. a rotor;
3. a stator;
4. a housing;
5. a stabilizing assembly; 51. a front bearing seat; 511. a front bearing; 512. a locking member; 513. a front end cap; 514. Longitudinally penetrating the hole; 515. transversely perforating the holes; 516. a longitudinal through hole; 517. a gasket; 52. a rear bearing seat; 521. a rear bearing; 522. a rear end cap; 53. pulling a cutter rod; 531. a cylinder; 532. a tough jaw; 533. a conditioning chamber; 534. a disc spring; 535. a cylinder block; 536. a slow release spring; 54. a U-shaped oil seal; 55. a jacket; 56. a snap ring; 57. a flow guide end cover; 58. water-cooling the runner; 59. a water nozzle.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention are described below clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.
Example (b):
as shown in fig. 1-2, the utility model discloses a suitable machining center's automatic tool changing motorized spindle, include: the motor comprises a mandrel 1, a rotor 2, a stator 3 and a shell 4 which are coaxially arranged from inside to outside, wherein a stabilizing component 5 is arranged between the mandrel 1 and the shell 4, and the stabilizing component 5 comprises a front bearing seat 51 and a rear bearing seat 52 which are arranged in front of and behind the rotor 2 and a broach rod 53 which is coaxially arranged in the mandrel 1; the front and rear ends of the front bearing seat 51 are provided with a front bearing 511, the rear bearing seat 52 is internally provided with rear bearings 521 side by side, the inner stop of the front bearing 511 is abutted with a locking member 512, the inner stop of the rear bearing 521 is attached with a rear end cover 522, and the front bearing seat 51 and the locking member 512 are connected with a front end cover 513; the rear end of the broach rod 53 is coaxially abutted with a cylinder 531, and a flexible claw 532 for pulling and pushing is coaxially arranged in front of the broach rod 53. An adjusting cavity 533 is arranged between the broach rod 53 and the mandrel 1, the stabilizing assembly 5 further comprises a plurality of disc springs 534 arranged in the adjusting cavity 533, and the disc springs 534 are used for superposing and adjusting the pretightening force of the air cylinder 531. The rear end of the cylinder 531 is provided with a cylinder seat 535, the stabilizing assembly 5 further comprises a plurality of slow release springs 536 arranged between the rear wall of the cylinder 531 and the front wall of the cylinder seat 535, and the slow release springs 536 are used for directly adjusting the traction force of the cylinder 531. The stabilizing assembly 5 further comprises a U-shaped oil seal 54 concavely arranged on the front end cover 513, a jacket 55 arranged between the front bearings 511 and a clamping ring 56 abutted against the inner stop of the rear bearing 521, wherein the jacket 55 and the clamping ring 56 are used for stabilizing the front bearings 511 and the rear bearing 521. The stabilizing assembly 5 further comprises a plurality of sealing gaskets 517 arranged on the periphery of the locking member 512, and the sealing gaskets 517 are used for sealing between the locking member 512 and the front end cover 513.
Obviously, the maintenance is carefully monitored by checking the locking member 512, the flexible claws 532, the belleville springs 534, the cylinder 535, the slow release spring 536, the broach rod 54 and the water nozzle 59, observing the water source of the water cooling runner 58. The working principle of automatic tool changing is as follows: the cylinder 531 and the longitudinal bore 514 are vented and the travel of the cylinder 531 and the slow release spring 536 are adjusted to avoid over-compression of the belleville spring 534 and over-actuation of the slow release spring 536. The flexible clamping claw 532 from the front top to the front end of the ventilation rear broach rod 53 is jointed and clamped with the tail outline of the external automatic cutter handle; meanwhile, the air nozzle is used for ventilating and cleaning the conical surface of the automatic cutter, the outer arc surface of the tail of the cutter handle and the inner arc surface of the flexible clamping jaw 532, air pressure is discharged from the front longitudinal through hole 514 of the water-cooling flow channel 58, finally the air cylinder 531 is closed, the slow release spring 536 resets, the automatic cutter is clamped, the broaching rod 53 retracts to the original point, cooling, cleaning and clamping are completed until accurate pushing and traction is achieved, and automatic cutter changing is finished.
The disc spring 534 is recommended to be added to adjust the pretightening force of the cylinder counter-pulling tool bar 53 without limitation, so that the precision is improved, and the reinforcement and noise reduction are realized; the cylinder 531 supplies energy, and the slow release spring 536 quickly reaches the position to release pressure slowly; the method comprises the steps that but not limited to, the tough clamping jaws 532 are arranged, the inner arc surfaces are highly matched with the tail outer arc surface of the automatic cutter handle, and the accurate push-pull cutter changing and lossless buffering clamping of the automatic cutter by the cutter pulling rod 53 are facilitated; the front end cover 513 is provided with a U-shaped oil seal 54, the surface medium adsorbs impurities, and the sealing medium is difficult to overflow for lubrication and cooling after being placed for a long time in a zigzag gap; the front bearing 511 and the rear bearing 521 are made of high-rigidity damping materials, and the locking piece 512 is screwed on the mandrel 1 and then abuts against the inner stop of the front bearing 511 with the clamping sleeve 55 so as to enhance the axial stability of the front end; rear bearing 521 and dress make the rear end atress even, and rear end cap 522 connects dabber 1 soon, and snap ring 56 butt rear bearing 521 interior shelves reinforcing rear end axial stability, sealed pad 517 makes retaining member 512 circumference sealed, and stable coaxial structure, the stable precision of connecting become high rotational speed and the important assurance of high accuracy with stable balanced structure, satisfy the stable lasting and safe and reliable's of automatic tool changing electricity main shaft who is fit for machining center demand.
As shown in fig. 1-2, the utility model discloses a suitable machining center's automatic tool changing motorized spindle, cylinder block 535 rear side are equipped with water conservancy diversion end cover 57, and stabilizing component 5 still includes that the water-cooling runner 58 that the casing 4 inner chamber was equipped with and water conservancy diversion end cover 57 rear side are equipped with the water nozzle 59 that is used for union coupling water-cooling runner 58, and water nozzle 59 union coupling water-cooling runner 58 is used for cooling casing 4 cavity. The stabilizing component 5 further comprises a plurality of longitudinal through holes 514 arranged on the periphery of the front bearing seat 51 and a plurality of transverse through holes 515 arranged on the end face of the front bearing seat 51 in the circumferential direction, the longitudinal through holes 516 are arranged on the periphery of the front end cover 513 and coaxially communicated with the longitudinal through holes 514, and the longitudinal through holes 514 are communicated with the transverse through holes 515 for integrally cooling the front bearing seat 51. The cylinder 531 and the vertical through hole 514 are all connected with an external air pump through pipes, the transverse through hole 515 is connected with an external air nozzle through pipes, and the water nozzle 59 is connected with an external water pump through pipes.
More specifically, the temperature is rapidly and uniformly reduced through the water-cooling flow passage 58, the longitudinal through hole 514 is vertically communicated with the transverse through hole 515 to realize front-end air cooling, and the longitudinal through hole 516 is communicated with the longitudinal through hole 514 to strengthen the front-end air cooling and the indirect cooling of the front bearing 511; the water nozzle 59 is connected with the water cooling runner 58 to form a water cooling circulation loop channel, so that the stable and low-noise quality is realized, and the aims of comprehensive, stable, safe and convenient automatic tool changing electric spindle suitable for a machining center are fulfilled.
In conclusion, the disc spring 534 is additionally arranged in the embodiment to adjust the pretightening force of the cylinder opposite-pulling cutter rod 53, so that the precision is improved, and the solid is reinforced and the noise is reduced; the cylinder 531 provides kinetic energy, and the slow release spring 536 quickly reaches the position to release pressure slowly; the inner arc surface of the flexible clamping jaw 532 is arranged to be highly fitted with the outer arc surface of the tail of the automatic cutter handle, so that accurate push-pull tool changing and lossless buffering clamping of the automatic cutter by the tool pulling rod 53 are facilitated; the surface of the U-shaped oil seal 54 is coated with a medium to adsorb impurities, and the sealing medium is difficult to overflow for lubrication and cooling after being placed for a long time in a bent gap; the front bearing 511 and the rear bearing 521 are made of high-rigidity damping materials, and the locking part 512 is screwed on the mandrel 1 and abuts against the jacket 55 to strengthen the axial stability of the front end of the front bearing 511; the rear bearing 521 is assembled to enable the rear end to be uniform, after the rear end cover 522 is screwed with the mandrel 1, the rear end cover abuts against the inner stop of the rear bearing 521 to enhance the axial stability of the rear end, the sealing gasket 517 enables the locking member 512 to be circumferentially sealed, the stably connected coaxial structure, stable precision and stable balance structure become important guarantees of high rotating speed and high precision, the water cooling runner 58 is rapidly and uniformly cooled, the longitudinal through hole 514 is vertically communicated with the transverse through hole 515 to achieve air cooling of the front end, and the longitudinal through hole 516 is communicated with the longitudinal through hole 514 to enhance the air cooling of the front end and the indirect cooling of the front bearing 511; the water nozzle 59 is connected with the water cooling runner 58 to form a water cooling circulation loop channel, and further the comprehensive, stable, safe and convenient effects of the automatic tool changing electric spindle suitable for a machining center are achieved.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations and relationships based on the orientations and relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. An automatic tool changing motorized spindle suitable for a machining center, comprising: the motor comprises a mandrel (1), a rotor (2), a stator (3) and a shell (4) which are coaxially arranged from inside to outside, wherein a stabilizing assembly (5) is arranged between the mandrel (1) and the shell (4);
the stabilizing assembly (5) comprises a front bearing seat (51) and a rear bearing seat (52) which are arranged in front of and behind the rotor (2) and a broach rod (53) which is coaxially arranged in the mandrel (1);
front bearings (511) are arranged at the front end and the rear end of the front bearing block (51);
a rear bearing (521) is arranged in the rear bearing seat (52) side by side;
a locking piece (512) is abutted to the inner stop of the front bearing (511), a rear end cover (522) is attached to the inner stop of the rear bearing (521), and the front bearing seat (51) and the locking piece (512) are connected with a front end cover (513);
the rear end of the broach rod (53) is coaxially abutted with a cylinder (531);
a flexible claw (532) for pulling and pushing is coaxially arranged in front of the broach rod (53).
2. The automatic tool changing electric spindle suitable for a machining center according to claim 1, characterized in that an adjusting chamber (533) is provided between the tool pulling rod (53) and the spindle (1), and the stabilizing assembly (5) further comprises a plurality of disc springs (534) provided in the adjusting chamber (533);
the belleville spring (534) is used for adjusting the pretightening force of the air cylinder (531) in a superposition mode.
3. The automatic tool changing motorized spindle suitable for a machining center according to claim 1, characterized in that a cylinder seat (535) is provided at the rear end of the cylinder (531), and the stabilizing assembly (5) further comprises a plurality of slow release springs (536) provided between the rear wall of the cylinder (531) and the front wall of the cylinder seat (535);
the slow release spring (536) is used for directly adjusting the traction and thrust force of the cylinder (531).
4. The automatic tool changing electric spindle suitable for the machining center as claimed in claim 2, wherein the stabilizing assembly (5) further comprises a U-shaped oil seal (54) concavely arranged on the front end cover (513), a clamping sleeve (55) arranged between the front bearings (511) and a clamping ring (56) abutted against the inner stop of the rear bearing (521), and the clamping sleeve (55) and the clamping ring (56) are used for stabilizing the front bearing (511) and the rear bearing (521).
5. The automatic tool changing electric spindle suitable for the machining center as claimed in claim 3, wherein a flow guide end cover (57) is arranged at the rear side of the cylinder seat (535);
the stabilizing assembly (5) further comprises a water-cooling flow channel (58) arranged in the inner cavity of the shell (4) and a water nozzle (59) used for connecting the water-cooling flow channel (58) through a pipe is arranged on the rear side of the flow guide end cover (57);
the water nozzle (59) is connected with the water cooling flow passage (58) through a pipe and is used for cooling the cavity of the shell (4).
6. The automatic tool changing electric spindle suitable for the machining center as claimed in claim 5, wherein the stabilizing assembly (5) further comprises a plurality of longitudinal through holes (514) formed in the periphery of the front bearing seat (51) and a plurality of transverse through holes (515) formed in the circumferential direction of the end face of the front bearing seat (51);
a longitudinal through hole (516) is arranged on the periphery of the front end cover (513) and is coaxially communicated with the longitudinal through hole (514),
the longitudinal through hole (514) is communicated with the transverse through hole (515) and is used for integrally cooling the front bearing seat (51).
7. The automatic tool changing motorized spindle adapted to a machining center according to claim 6, wherein the stabilizing assembly (5) further comprises a plurality of gaskets (517) disposed around the periphery of the locking member (512);
the sealing gasket (517) is used for sealing between the locking member (512) and the front end cover (513);
the air cylinder (531) and the longitudinal through hole (514) are connected with an external air pump through pipes;
the transverse through hole (515) is connected with an external air nozzle;
the water nozzle (59) is connected with an external water pump through a pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221349437.2U CN217831884U (en) | 2022-05-31 | 2022-05-31 | Automatic tool changing electric spindle suitable for machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221349437.2U CN217831884U (en) | 2022-05-31 | 2022-05-31 | Automatic tool changing electric spindle suitable for machining center |
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| Publication Number | Publication Date |
|---|---|
| CN217831884U true CN217831884U (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221349437.2U Active CN217831884U (en) | 2022-05-31 | 2022-05-31 | Automatic tool changing electric spindle suitable for machining center |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117415343A (en) * | 2023-12-06 | 2024-01-19 | 无锡阳光精机股份有限公司 | Built-in main shaft of motor |
-
2022
- 2022-05-31 CN CN202221349437.2U patent/CN217831884U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117415343A (en) * | 2023-12-06 | 2024-01-19 | 无锡阳光精机股份有限公司 | Built-in main shaft of motor |
| CN117415343B (en) * | 2023-12-06 | 2024-04-26 | 无锡阳光精机股份有限公司 | Built-in main shaft of motor |
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