CN218080430U

CN218080430U - Electric spindle convenient to cool

Info

Publication number: CN218080430U
Application number: CN202222429581.3U
Authority: CN
Inventors: 刘辉; 高优静; 马文娟
Original assignee: Shaanxi Zhuangchen Environmental Protection Technology Co ltd
Current assignee: Shaanxi Zhuangchen Environmental Protection Technology Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-20
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to a convenient refrigerated electricity main shaft, including the axle bed, the main shaft is installed in the inside rotation of axle bed, the outside of main shaft is provided with one end and axle bed fixed connection's the mechanism that bears, the inside of axle bed is provided with cooling body, cooling body includes cooling jacket, cooling pipeline, coolant oil inlet hole, coolant oil hole, conducting strip and fin, cooling jacket fixed mounting is at the inner wall of axle bed, the cooling duct has been seted up to the inside of cooling jacket, the inside coolant oil inlet hole that one end runs through and extends to the cooling duct has been seted up at the top of axle bed, the top of axle bed is seted up one end and is run through and extend to the inside coolant oil hole of cooling duct. This convenient refrigerated electricity main shaft through the setting of cooling body, protection machanism and radiating fan blade, makes whole inside and outside of electricity main shaft all can effectively cool down to guarantee the whole performance of electricity main shaft.

Description

Electric spindle convenient to cool

Technical Field

The utility model relates to an electricity main shaft technical field specifically is a make things convenient for refrigerated electricity main shaft.

Background

The electric main shaft is a new technology which integrates a machine tool main shaft and a main shaft motor into a whole and appears in the field of numerical control machines, the main shaft is a set of components and comprises the electric main shaft and accessories thereof: the spindle motor and the machine tool spindle are combined into a whole in a transmission structure form, so that spindle parts are relatively independent from a transmission system and an integral structure of the machine tool, and the spindle can be made into a spindle unit commonly called as an electric spindle.

In the process of implementing the present application, the inventor finds that in the technology, at least the following problems exist, most of the existing electric spindle cooling devices can only cool the spindle shell, but cannot cool the inside of the electric spindle rotating at a high speed, so that the temperature rise inside the electric spindle is large during high-speed operation, the overall performance of the electric spindle is reduced, and the normal use of the electric spindle is affected, so that further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a convenient refrigerated electricity main shaft possesses advantages such as cooling effect is good, has solved the electricity main shaft cooling not good, influences its problem of performance.

In order to achieve the above object, the utility model provides a following technical scheme: a conveniently-cooled electric spindle comprises a spindle seat, a spindle is rotatably mounted in the spindle seat, a bearing mechanism with one end fixedly connected with the spindle seat is arranged outside the spindle, a cooling mechanism is arranged in the spindle seat, a shell-free spindle motor is fixedly mounted outside the spindle, a broach cylinder with one end penetrating and extending to the right side of the spindle seat is fixedly mounted on the right side of the spindle, radiating fan blades are fixedly mounted on the left side of the spindle, which is located on the spindle seat, and a protection mechanism is arranged outside the spindle seat;

cooling body includes cooling jacket, cooling tunnel, coolant oil inlet hole, coolant oil outlet hole, conducting strip and fin, cooling jacket fixed mounting is at the inner wall of axle bed, the cooling tunnel has been seted up to the inside of cooling jacket, the top of axle bed is seted up one end and is run through and extend to the inside coolant oil inlet hole of cooling tunnel, the top of axle bed is seted up one end and is run through and extend to the inside coolant oil outlet hole of cooling tunnel, the outside fixed mounting of axle bed has and is located coolant oil inlet hole and coolant oil outlet hole between the fin, the outside fixed mounting of cooling jacket has one end to run through the axle bed and the conducting strip that one end and fin contacted.

Further, bear the mechanism and include front bearing, rear bearing and rear bearing oil blanket, the outside left side fixed mounting of main shaft has one end and axle bed fixed connection's front bearing, the outside right side fixed mounting of main shaft has one end and axle bed fixed connection's rear bearing, the outside of main shaft and the left side fixed mounting who is located rear bearing have one end and axle bed fixed connection's rear bearing oil blanket.

Furthermore, the protection mechanism comprises a positioning ring, a protection shell and a ventilation screen plate, wherein the positioning ring is fixedly arranged on the left side and the right side of the outer part of the main shaft, the protection shell is movably sleeved on the outer part of the shaft seat, and the ventilation screen plate with one end in contact with the positioning ring is detachably arranged on the left side and the right side of the protection shell.

Furthermore, the outer wall of the spindle motor without the shell is fixedly connected with the cooling jacket, and the protective shell is detachably connected with the ventilation screen plate through fastening bolts.

Furthermore, the right side positioning ring is positioned on the right side of the shaft seat, and the left side positioning ring is positioned on the left side of the radiating fan blades.

Furthermore, the no-shell spindle motor is located on the left side of the rear bearing oil seal, and heat dissipation holes are formed in the front face and the back face of the protective shell.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this convenient refrigerated electricity main shaft through the setting of cooling body, protection machanism and radiating fan blade, makes whole inside and outside of electricity main shaft all can effectively cool down to guarantee the whole performance of electricity main shaft.

2. This convenient refrigerated electricity main shaft through protection machanism's setting, makes its inside dust clear up, guarantees the external cooling effect.

Drawings

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

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a front view of the present invention.

In the figure: the device comprises a shaft base 1, a main shaft 2, a bearing mechanism 3, a front bearing 31, a rear bearing 32, a rear bearing oil seal 33, a cooling mechanism 4, a cooling jacket 41, a cooling duct 42, a cooling oil inlet 43, a cooling oil outlet 44, a heat conducting fin 45, a heat radiating fin 46, a spindle motor 5 without a shell, a broach oil cylinder 6, a heat radiating fan blade 7, a protection mechanism 8, a positioning ring 81, a protection shell 82 and a ventilation screen plate 83.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, an electric spindle convenient to cool in the present embodiment includes a spindle seat 1, a spindle 2 is rotatably installed inside the spindle seat 1, a bearing mechanism 3 having one end fixedly connected to the spindle seat 1 is disposed outside the spindle 2, a cooling mechanism 4 is disposed inside the spindle seat 1, a spindle motor 5 without a housing is fixedly installed outside the spindle 2, a broach cylinder 6 having one end penetrating and extending to the right side of the spindle seat 1 is fixedly installed on the right side of the spindle 2, a heat dissipation fan blade 7 is fixedly installed on the left side of the spindle 2 and located on the spindle seat 1, and a protection mechanism 8 is disposed outside the spindle seat 1.

Specifically, the heat dissipation fan blade 7 drives the main shaft 2 to rotate and operate at the same time, so that heat dissipation outside the shaft seat 1 is realized, and cooling is convenient.

In this embodiment, the bearing mechanism 3 includes a front bearing 31, a rear bearing 32 and a rear bearing oil seal 33, the front bearing 31 with one end fixedly connected with the shaft seat 1 is fixedly installed on the left side of the outside of the main shaft 2, the rear bearing 32 with one end fixedly connected with the shaft seat 1 is fixedly installed on the right side of the outside of the main shaft 2, the rear bearing oil seal 33 with one end fixedly connected with the shaft seat 1 is fixedly installed on the left side of the outside of the main shaft 2 and located on the rear bearing 32, and the spindle motor 5 without a housing is located on the left side of the rear bearing oil seal 33.

Specifically, the arrangement of the front bearing 31 and the rear bearing 32 makes the main shaft 2 operate more stably in the shaft seat 1.

The rear bearing oil seal 33 is arranged to ensure that the front end, the middle end and the rear end of the main shaft 2 do not interfere with each other.

In this embodiment, the cooling mechanism 4 includes a cooling jacket 41, a cooling hole 42, a cooling oil inlet hole 43, a cooling oil outlet hole 44, a heat conducting fin 45 and a heat radiating fin 46, the cooling jacket 41 is fixedly installed on the inner wall of the shaft seat 1, the outer wall of the spindle motor 5 without a housing is fixedly connected with the cooling jacket 41, the cooling hole 42 is opened inside the cooling jacket 41, the cooling oil inlet hole 43 with one end penetrating and extending into the cooling hole 42 is opened at the top of the shaft seat 1, the cooling oil outlet hole 44 with one end penetrating and extending into the cooling hole 42 is opened at the top of the shaft seat 1, the heat radiating fin 46 located between the cooling oil inlet hole 43 and the cooling oil outlet hole 44 is fixedly installed outside the shaft seat 1, and the heat conducting fin 45 with one end penetrating through the shaft seat 1 and one end contacting with the heat radiating fin 46 is fixedly installed outside the cooling jacket 41.

Specifically, the coolant enters the inside of the cooling hole 42 through the cooling oil inlet hole 43, so that the coolant absorbs the heat of the spindle motor 5 without the housing from the cooling jacket 41 to perform rapid heat exchange, thereby rapidly and conveniently cooling the spindle motor, and then the heat conducting fins 45 transfer the other part of the heat to the heat radiating fins 46, so that the heat radiating area is enlarged, and the heat radiating effect is better.

In this embodiment, protection machanism 8 includes holding ring 81, protecting crust 82 and ventilation otter board 83, the equal fixed mounting in outside left and right sides of main shaft 2 has holding ring 81, right side holding ring 81 is located the right side of axle bed 1, left side holding ring 81 is located the left side of heat dissipation flabellum 7, protecting crust 82 has been cup jointed in the outside activity of axle bed 1, the louvre has all been seted up at the front and the back of protecting crust 82, the ventilation otter board 83 that one end and holding ring 81 contacted all can the demountable installation in the left and right sides of protecting crust 82, protecting crust 82 passes through fastening bolt and can dismantle with ventilation otter board 83 and be connected.

Specifically, fastening bolts are taken down from the ventilation screen plate 83, so that the ventilation screen plate 83 can be disassembled, assembled and cleaned, and meanwhile, the protective shell 82 is also convenient to clean, and the heat dissipation fan blades 7 are prevented from introducing dust to influence the external heat dissipation of the shaft seat 1.

The working principle of the above embodiment is as follows:

in use, no shell spindle motor 5 starts and drives main shaft 2 and rotates, at this moment, the coolant liquid enters into the inside of cooling tunnel 42 through coolant oil inlet 43, make the coolant liquid adsorb no shell spindle motor 5's heat with cooling jacket 41 and carry out quick heat transfer, thereby make its quick and convenient cooling, then, conducting strip 45 gives fin 46 with another part heat transfer simultaneously, make heat radiating area enlarge, simultaneously, main shaft 2 drives heat dissipation flabellum 7 and rotates, make it transfer external cold air, make wind blow on fin 46, accelerate the heat to give off from louvre and ventilation otter board 83, further accelerate radiating efficiency and effect.

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. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

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. The utility model provides a convenient refrigerated electric main shaft, includes axle bed (1), its characterized in that: a main shaft (2) is rotatably mounted inside the shaft seat (1), a bearing mechanism (3) with one end fixedly connected with the shaft seat (1) is arranged outside the main shaft (2), a cooling mechanism (4) is arranged inside the shaft seat (1), a non-shell main shaft motor (5) is fixedly mounted outside the main shaft (2), a broach cylinder (6) with one end penetrating through and extending to the right side of the shaft seat (1) is fixedly mounted on the right side of the main shaft (2), a radiating fan blade (7) is fixedly mounted on the left side of the main shaft (2) and located on the shaft seat (1), and a protection mechanism (8) is arranged outside the shaft seat (1);

cooling body (4) include cooling jacket (41), cooling hole (42), coolant oil inlet hole (43), coolant oil outlet hole (44), conducting strip (45) and fin (46), cooling jacket (41) fixed mounting is at the inner wall of axle bed (1), cooling hole (42) have been seted up to the inside of cooling jacket (41), the top of axle bed (1) is seted up one end and is run through and extend to the inside coolant oil inlet hole (43) of cooling hole (42), the top of axle bed (1) is seted up one end and is run through and extend to the inside coolant oil outlet hole (44) of cooling hole (42), the outside fixed mounting of axle bed (1) has and is located coolant oil inlet hole (43) and coolant oil outlet hole (44) between radiating strip (46), the outside fixed mounting of cooling jacket (41) has one end to run through axle bed (1) and conducting strip (45) that one end and fin (46) contacted.

2. A conveniently cooled electric spindle according to claim 1 in which: bear mechanism (3) including front bearing (31), rear bearing (32) and rear bearing oil blanket (33), the outside left side fixed mounting of main shaft (2) has one end and axle bed (1) fixed connection's front bearing (31), the outside right side fixed mounting of main shaft (2) has one end and axle bed (1) fixed connection's rear bearing (32), the outside of main shaft (2) and the left side fixed mounting that is located rear bearing (32) have one end and axle bed (1) fixed connection's rear bearing oil blanket (33).

3. A conveniently cooled motorized spindle according to claim 2, wherein: protection machanism (8) are including holding ring (81), protecting crust (82) and ventilation otter board (83), equal fixed mounting in the outside left and right sides of main shaft (2) has holding ring (81), protecting crust (82) have been cup jointed in the outside activity of axle bed (1), all detachable mounting in the left and right sides of protecting crust (82) has ventilation otter board (83) that one end and holding ring (81) contacted.

4. A conveniently cooled motorized spindle according to claim 3, wherein: the outer wall of the spindle motor (5) without the shell is fixedly connected with the cooling jacket (41), and the protective shell (82) is detachably connected with the ventilation screen plate (83) through fastening bolts.

5. A conveniently cooled motorized spindle according to claim 3, wherein: the right side positioning ring (81) is positioned on the right side of the shaft seat (1), and the left side positioning ring (81) is positioned on the left side of the radiating fan blades (7).

6. A conveniently cooled motorized spindle according to claim 3, wherein: the spindle motor (5) without the shell is positioned on the left side of the rear bearing oil seal (33), and heat dissipation holes are formed in the front and the back of the protective shell (82).