CN214868972U - Power head, power device and machine tool - Google Patents

Abstract

The utility model provides a unit head and power device, lathe, wherein the unit head includes: the shell is arranged on the lathe body of the lathe; a main shaft sleeve slidably disposed in the housing along a longitudinal direction of the housing; the main shaft is arranged in the main shaft sleeve; the cutter head is arranged at one end of the main shaft and used for mounting a cutter; the spindle motor is used for driving the spindle to rotate; and the feeding mechanism is used for driving the spindle sleeve to move along the length direction of the shell, wherein at least one oil passage channel comprising an oil inlet and an oil outlet is arranged in the shell, the oil inlet is arranged on the outer surface of the shell, the oil outlet is arranged on the inner surface of the shell, the oil inlet is connected with an external oil supply device, and the external oil supply device at least leads lubricating oil to the outer surface of the spindle sleeve through the oil passage channel. The utility model discloses a lubricating oil that the oilway passageway that sets up in the casing can provide outside oil supply unit leads to and lubricates in the casing to alleviate the wearing and tearing condition, and promote processingquality.

Description

Power head, power device and machine tool

Technical Field

The utility model belongs to the machining field, concretely relates to unit head, power device and lathe.

Background

According to the general degree of the machine tool process range, the machine tool of the workpiece can be divided into a general machine tool, a special machine tool and a specialized machine tool. No matter which kind of lathe all obeys the principle that simple and practical, precision are high, the space is little, and wherein, the unit head design that the lathe was used is very crucial.

The conventional power head has the function that a main shaft of the power head is driven by a motor to drive a cutter to rotate, so that functions of boring, milling, drilling and the like are realized. Generally, a plurality of power heads provided with different cutters are arranged on a machine tool, so that the cutters can process workpieces in different procedures; in order to bring the tool closer to and into contact with the workpiece during machining and further away from the workpiece during non-machining, the power head is usually provided with a feed mechanism which allows the tool to be moved closer to or further away from the workpiece to be machined.

In the power head, since the housing is mounted on the bed of the machine tool, the main shaft of the power head rotates and the main shaft sleeve performs a feeding motion, there is frequent relative motion during the operation thereof, and it is necessary to lubricate components that move relative to each other. However, the lubricating oil in the prior art is usually added from the outside, so that the operation is inconvenient; in addition, due to the feeding mechanism, relative movement in the axial direction is generated between the main shaft sleeve and the housing, which causes leakage of the lubricating oil and thus reduces the lubricating effect.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, a power device capable of automatically lubricating the power head is provided, the utility model adopts the following structure:

< Structure I >

The utility model discloses a structure one provides a unit head, installs on the lathe for the drive cutter treats the processing work piece and processes, a serial communication port, include: the shell is arranged on the lathe body of the lathe; a main shaft sleeve slidably disposed in the housing along a longitudinal direction of the housing; the power head main shaft is arranged in the main shaft sleeve; the cutter head is arranged at one end of the power head main shaft and used for mounting a cutter; the power head main shaft motor is used for driving the power head main shaft to rotate; and the feeding mechanism is used for driving the spindle sleeve to slide along the length direction of the shell so as to enable the cutter to be close to or far away from a workpiece to be processed, wherein at least one oil path channel comprising an oil inlet and an oil outlet is arranged in the shell, the oil inlet is arranged on the outer surface of the shell, the oil outlet is arranged on the inner surface of the shell, the oil inlet is connected with an external oil supply device, and lubricating oil from the external oil supply device at least passes through the oil path channel to the outer surface of the spindle sleeve.

The utility model discloses the unit head that structure one provided can also have such characteristic, and wherein, oil sweetgum fruit way is said and is included first oil sweetgum fruit way, and first oil sweetgum fruit way has first inlet port and a first oil outlet, and first inlet port sets up the surface at the casing, and first oil outlet sets up the internal surface that is close to one side of blade disc at the casing.

The utility model discloses the unit head that structure one provided can also have such characteristic, and wherein, first oil sweetgum fruit way still has the second oil outlet, and the second oil outlet setting is on the terminal surface that the casing is close to the blade disc.

The power head provided by the first structure of the utility model can also have the characteristics that the shell is in a cylindrical shape, the first oil path channel comprises an oil inlet channel and a main oil path channel which extend in the wall of the shell, the length direction of the oil inlet pore passage is perpendicular to the length direction of the shell, one end of the oil inlet pore passage is connected with the first oil inlet hole, the other end of the oil inlet pore passage is communicated with one end of the main oil passage pore passage, the length direction of the main oil passage pore passage is arranged along the length direction of the shell, one end, far away from the oil inlet pore passage, of the oil inlet pore passage is communicated with the first oil outlet pore passage and the second oil outlet pore passage, the first oil outlet pore passage extends in an inclined mode towards the direction close to the cutter head, one end, far away from the main oil passage pore passage, of the first oil outlet pore passage is connected with the first oil outlet hole, the length direction of the second oil outlet pore passage is arranged along the length direction of the shell, and one end, far away from the main oil passage, of the second oil outlet pore passage is connected with the second oil outlet hole.

The utility model discloses the unit head that structure one provided can also have such characteristic, wherein, oil sweetgum fruit way still includes second oil sweetgum fruit way, second oil sweetgum fruit way has the second inlet port, second main oil way pore and third oil outlet that extend in the wall of casing, the surface of the one end of blade disc is kept away from at the casing to the second inlet port setting, the length direction of the length direction perpendicular to casing in second main oil way pore, and both ends are connected with second inlet port and third oil outlet respectively, the internal surface of the one end of blade disc is kept away from at the casing to the third oil outlet setting.

The utility model discloses the unit head that structure one provided can also have such characteristic, and wherein, feed mechanism includes: the screw rod is arranged at one end of the shell, which is far away from the cutter head, and extends towards the length direction of the shell; and the feeding motor is used for driving the lead screw to rotate so as to drive the main shaft sleeve to slide along the length direction of the shell, so that the cutter is close to or far away from the workpiece to be processed.

< Structure two >

As a second structure, the utility model provides a power device, a serial communication port, include: the power head is arranged on the machine tool and used for driving a cutter to process a workpiece to be processed; and the oil supply device is used for supplying lubricating oil to the power head, wherein the power head is any one of the power heads in the structure I, the oil supply device comprises an oil supply mechanism and an oil supply control part, and the oil supply mechanism is communicated with the oil channel through an oil pipeline.

The utility model provides a power device can also have such characteristic, and wherein, fuel feeding control unit control fuel feeding mechanism lasts or the intermittent type fuel feeding to the oilway passageway.

< Structure III >

As a third structure, the utility model provides a machine tool, which is characterized in that includes: a bed body; and the power device is the power device with the second structure.

Further, the utility model provides a lathe can also have such characteristic, still includes the workstation, rotationally installs in the lathe bed, is provided with the anchor clamps that are used for pressing from both sides the dress and wait to process the work piece, utility model effect and effect

According to the utility model, the power head is arranged on a machine tool and used for driving a cutter to process a workpiece to be processed, which comprises a shell, a main shaft sleeve, a power head main shaft, a cutter head, a power head main shaft motor and a feeding mechanism, wherein, an oil passage channel comprising an oil inlet hole and an oil outlet hole is arranged in the wall of the shell, the oil inlet hole is arranged on the outer surface of the shell and is connected with an external oil supply device, the oil outlet hole is arranged on the inner surface of the shell, the external oil supply device can lead lubricating oil to the space between the shell and the main shaft sleeve through the oil passage channel, therefore, when the main shaft sleeve carries out relative motion to the shell, the oil passage arranged in the shell can lead the lubricating oil provided by the external oil supply device to the shell for lubrication, the abrasion condition is lightened, the service life of the power head is prolonged, in addition, the motion of the power head is smoother, the clamping condition is not easy to occur, and the influence on the processing quality is prevented.

Furthermore, according to the utility model, since the power device comprises at least one power head and an oil supply device, the oil supply device comprises an oil supply mechanism and an oil supply control part, the oil supply control part can control the oil supply mechanism to supply oil to the oil passage, so that the power head can be supplied with oil simultaneously by one oil supply device; the utility model also provides a lathe including lathe bed and above-mentioned power device, wherein, oil supply unit not only can carry out the fuel feeding lubrication to the unit head, can also carry out the fuel feeding simultaneously to the pivot of drive table for the relative motion position of this pivot also obtains lubricating.

Drawings

Fig. 1 is a schematic side view of a machine tool according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a machine tool according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of the power head according to the embodiment of the present invention;

fig. 4 is a schematic cross-sectional structure diagram of the power head according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a feeding mechanism according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a partially enlarged structure in fig. 4 according to an embodiment of the present invention;

fig. 7 is a schematic diagram of a partial enlarged structure of B in fig. 4 according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a housing according to an embodiment of the present invention;

fig. 9 is a schematic sectional structure view of a housing according to an embodiment of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples.

< example >

The embodiment provides a waterwheel type machine tool, which is provided with a plurality of power heads respectively provided with different cutters; the power heads drive the cutters, so that different machining processes such as drilling, boring, face milling and the like can be performed on the metal blank.

Fig. 1 is a schematic side view of a machine tool according to an embodiment of the present invention.

As shown in fig. 1, the machine tool 100 includes a bed 10, a power head 20, a table 30, and an oil supply device 40 (shown in fig. 4).

The workbench 30 is rotatably installed in the lathe bed 10, a plurality of clamps for clamping workpieces to be processed are arranged on the workbench 30, and a plurality of power head mounting holes are formed in the lathe bed 10 and used for mounting the power heads 20.

The bed 10 is provided with a bed oil passage leading to the worktable 30, the worktable 30 is further provided with a worktable oil passage communicated with the bed oil passage, and the worktable oil passage is provided with a plurality of openings (not shown in the figure) at a rotating shaft of the worktable.

The power heads 20 are mounted on the lathe bed 10 and used for processing a workpiece to be processed, which is clamped by a clamp on the workbench 11, the types of tools mounted on the power heads 20 are set according to a processing procedure sequence, and the power head 20 of the embodiment is a conventional power head.

Fig. 3 is a schematic view of a three-dimensional structure of a power head according to an embodiment of the present invention, and fig. 4 is a schematic view of a cross-sectional structure of a power head according to an embodiment of the present invention.

As shown in fig. 3 and 4, the power head 20 of the present embodiment includes a housing 21, a spindle sleeve 22, a power head spindle 23, a cutter head 24, a motor case 25, a lead screw 26, and a guide rod 27.

The housing 21 is cylindrical, and a bed mounting portion 211 protruding in the radial direction of the housing 21 is provided, and a threaded connection portion for connection is provided in the bed mounting portion 211 in the axial direction of the housing 21. One end of the housing 21 is further provided with a screw connecting portion 212 and a guide rod connecting portion 213 which protrude in the radial direction of the housing 21 and are disposed opposite to each other, and the screw connecting portion 212 and the guide rod connecting portion 212 are respectively provided with mounting holes for connecting the screw 26 and the guide rod 27.

The inner surfaces of the two ends of the shell 21 are also provided with dust rings and Y-shaped rings.

The spindle sleeve 22 is cylindrical, penetrates the housing 21 and can slide along the axial direction of the housing 1, and the length of the spindle sleeve 22 is greater than that of the housing 21.

In this embodiment, an inner waterproof jacket 221 and an outer waterproof jacket 222 sleeved outside the inner waterproof jacket 221 are further sleeved on one end of the spindle sleeve 22 away from the screw rod connecting portion 212.

The power head spindle 23 is tubular and longer than the spindle sleeve 22, and is rotatably mounted in the spindle sleeve 22 through two bearing spacers 231. Two bearing spacers 231 are sleeved on the power head main shaft 23 and are arranged on the inner surfaces of the two ends of the main shaft sleeve 22.

The cutter head 24 is used for fixing a cutter for processing and is arranged at one end of the power head main shaft, which is far away from the lead screw connecting part 212.

The motor box 25 is installed at one end of the casing 21 away from the cutter head 24, two ends of the motor box 25 correspond to the screw connecting portion 212 and the guide rod connecting portion 213, and two motor mounting holes are respectively formed at the two ends, and the power head spindle motor 251 and the feeding motor 252 are respectively and fixedly installed in the two motor mounting holes. The power head spindle motor 251 is used for driving the power head spindle to rotate, and the feed motor 252 is used for driving the lead screw 252 to rotate. In this embodiment, the feed motor 252 is a servo motor. One end of the main shaft sleeve 22 far away from the cutter head 24 is fixedly connected with a motor box 25.

A synchronous belt wheel 232 is arranged between the power head main shaft motor 251 and the power head main shaft 23, the synchronous belt wheel 232 is installed in the motor box 25, and a tensioning sleeve is arranged between the synchronous belt wheel 232 and the power head main shaft.

Fig. 5 is a schematic structural diagram of a feeding mechanism according to an embodiment of the present invention.

The feed mechanism includes a feed motor 252, a lead screw 26, and a guide rod 27.

As shown in fig. 5, the lead screw 26 is mounted in a mounting hole of the lead screw connecting portion 212 of the housing 21, and the lead screw 26 is disposed along the length direction of the housing 21, i.e., along the axial direction of the housing 21. A bearing seat 261 is fixedly installed in the motor box 25, and one end of the screw rod 26 away from the cutter head 24 is rotatably installed in the bearing seat 261 of the motor box 25 through a bearing 262 and is connected with the feeding motor 252.

The guide rod 27 is installed in the installation hole of the guide rod coupling part 213 of the housing 21 through the guide rod seat 271, and the guide 2 rod 7 can slide with respect to the guide rod seat 271, the guide rod 27 being disposed along the length direction of the housing 1, i.e., the axial direction of the housing 21. The end of the guide rod 27 remote from the cutter head 4 is fixed in the motor box 5.

The feed motor 252 drives the lead screw 26 to rotate, so that the housing 21 moves relative to the lead screw 26 and the guide rod 27 in the longitudinal direction of the housing 21 (i.e., the axial direction of the housing 21), i.e., the spindle sleeve 22 moves relative to the housing 21 in the axial direction of the housing 21, thereby moving the tool closer to or away from the workpiece to be machined.

As shown in fig. 4, a first oil passage 28 and a second oil passage 29 communicating with the oil supply device 40 are provided in the wall of the housing 21.

Fig. 6 is a schematic diagram of a partially enlarged structure in fig. 4 according to an embodiment of the present invention.

As shown in fig. 6, the first oil passage 28 has a first oil inlet hole 281, an oil inlet hole 282, a main oil passage hole 283, a first oil outlet hole 284, a first oil outlet hole 285, a second oil outlet hole 286, and a second oil outlet hole 287.

The first oil inlet hole 281 is provided in the outer surface of the bed mounting portion 211 of the housing 21.

The length direction of the oil inlet passage 282 extends perpendicularly to the axial direction of the housing 21, and one end of the oil inlet passage 281 is connected to the first oil inlet hole 281 while the other end thereof is communicated with the main oil passage 283.

The main oil passage hole 283 is provided in the axial direction of the housing 21 and extends in a direction close to the cutter head 24, and one end of the main oil passage hole 283 close to the cutter head 24 communicates with the first oil outlet hole 284 and the second oil outlet hole 286.

The length direction of the first oil outlet duct 284 forms an obtuse angle with the axial direction of the casing 21, that is, one end of the first oil outlet duct 284 connected with the main oil passage duct 283 inclines in the direction of the cutter disc 24, the other end is connected with the first oil outlet hole 285, and the first oil outlet hole 285 is arranged on the inner surface of one side of the casing 21 close to the cutter disc.

The second oil outlet port 286 is provided along the axial direction of the casing 21 and connected to a second oil outlet hole 287, and the second oil outlet hole 287 is provided on the end surface of the casing 21 close to the cutter head 24.

In this embodiment, the power head 20 has two first oil passages 28, and a line connecting the first oil inlet 281 of the two first oil passages 28 and the axis of the housing 21 is 90 °.

Fig. 7 is a schematic diagram of a partially enlarged structure of B in fig. 4 according to an embodiment of the present invention.

As shown in fig. 7, the second oil passage 29 has a second oil inlet hole 291, a second main oil passage bore 292, and a third oil outlet hole 293.

The second oil inlet hole 291 is provided in the outer surface of the end of the housing 21 remote from the cutter head 24.

The length direction of the second main oil passage bore 292 is perpendicular to the axial direction of the casing 21, and both ends are connected to the second oil inlet hole 291 and the third oil outlet hole 293, respectively.

The third oil outlet hole 293 is provided in the inner surface of the end of the casing 21 remote from the cutter head 24.

In this embodiment, the power head 20 has four second oil passages 28, and the four second oil passages 28 are uniformly arranged in the wall surface of the housing 1 along the circumferential direction of the housing 1.

Fig. 8 is a schematic perspective structure diagram of a housing according to an embodiment of the present invention, and fig. 9 is a schematic sectional structure diagram of a housing according to an embodiment of the present invention.

As shown in fig. 6 to 8, the inner wall of the casing 21 is further provided with a spiral oil passage 31 communicating with the first oil passage 28 and the second oil passage 29, and the spiral oil passage 31 is spirally provided around the casing 21 in the axial direction of the casing 21. In this embodiment, the inner wall of the casing 21 is provided with two spiral oil passages 31, wherein one end of one spiral oil passage 31 is connected to the first oil outlet 285 of the first oil passage 28, and the other end extends to one end of the casing 21 close to the cutter head 24; one end of the other spiral oil passage 31 is connected with the third oil outlet 293 of the second oil passage 29, and the other end extends towards the direction close to the cutter head 24.

The oil supply device 40 includes an oil supply mechanism and an oil supply control unit. In this embodiment, the oil supply mechanism is an oil pump, and the oil supply control unit is a control chip.

The oil supply mechanism is connected with an oil delivery pipe, the oil delivery pipe is connected with a plurality of oil delivery branch pipes, and the plurality of oil delivery hoses are correspondingly connected with the first oil inlet holes 281 and the second oil inlet holes 291 of the power heads 20 respectively.

The oil supply control part is in communication connection with the control system of the whole machine tool 100, once the machine tool starts to process a workpiece to be processed, the oil supply control part controls the oil supply mechanism to start to supply oil continuously, so that lubricating oil enters the first oil path channel and the second oil path channel of each power head 20, reaches the spiral oil path channel 31 on the inner wall of the shell 21 through the first oil path channel and the second oil path channel, and is in contact with the outer surface of the spindle sleeve through the spiral oil path channel 31, namely, the shell and the spindle sleeve are lubricated.

In this embodiment, the oil hose is further communicated with a bed oil path on the bed 10, so that when the oil supply mechanism supplies oil under the control of the oil supply control unit, the lubricating oil can also be communicated to the workbench through the bed oil path to lubricate components such as a bearing at a rotating shaft for driving the workbench.

Examples effects and effects

The power head provided by the embodiment is arranged on a machine tool and used for driving a cutter to process a metal blank into a required finished workpiece, and comprises a shell, a main shaft sleeve, a power head main shaft, a cutter head power head main shaft, a motor and a feeding mechanism, wherein an oil passage comprising an oil inlet hole and an oil outlet hole is formed in the wall of the shell, the oil inlet hole is formed in the outer surface of the shell and is connected with an external oil supply device, the oil outlet hole is formed in the inner surface of the shell, and an external common device can lead lubricating oil to the space between the shell and the main shaft sleeve through the oil passage. Therefore, when the main shaft sleeve carries out relative motion to the casing, the lubricating oil that the setting of casing oil way just can be with the provision of outside oil supply unit leads to in the casing and lubricates for thereby the wearing and tearing condition alleviates the life who increases the unit head, can also make the motion of unit head more smooth and easy in addition, and the condition of card pause also is difficult to appear, prevents to influence processingquality.

Further, the oil path channel of the power head of the embodiment comprises a spiral oil path channel. The spiral oil way channel is arranged on the inner surface of the shell and spirally surrounds the shell along the length direction of the shell, namely, lubricating oil can fully and uniformly contact the spindle sleeve and the shell through the spiral oil way channel when reaching the inner wall of the shell opposite to the spindle sleeve, so that the lubrication is most sufficient, and the lubricating effect is further improved.

Furthermore, the oil path channel of the power head of the embodiment comprises a first oil path channel, the first oil path channel is provided with an oil inlet and two oil outlets, one oil outlet is arranged on the inner wall of the shell, and the other oil outlet is arranged on the end surface of the shell close to the cutter head, so that lubricating oil can lubricate the space between the shell and the spindle sleeve, and excessive lubricating oil can be discharged, and the phenomenon that the excessive lubricating oil cannot be discharged in time is avoided; the lubricating oil may also lubricate the cutter head.

In this embodiment, an oil inlet duct, a main oil path duct, a first oil outlet duct, and a second oil outlet duct extend from the inside of the housing wall, wherein the main oil path duct is arranged along the length direction of the housing, and the first oil outlet duct is inclined toward the direction close to the cutter head.

Furthermore, the oil path channel of the power head of the embodiment further comprises a second oil path channel, the second oil path channel extends along the direction perpendicular to the length of the shell, and the lubricating oil respectively passes through the second oil path channel and the first oil path channel, so that the shell and the spindle sleeve can be uniformly lubricated by the lubricating oil along the length direction of the shell.

Further, in the power device of this embodiment, because the power head and the oil supply device are included, the oil supply device includes the oil supply mechanism and the oil supply control unit, and the oil supply control unit can control the oil supply mechanism to supply oil to the oil passage continuously or intermittently, that is, the oil supply mode can be changed according to the wear condition or working condition of the shell and the main shaft sleeve, so that the lubricating effect can be ensured, and at the same time, the lubricating oil can be saved.

Further, the machine tool of the embodiment comprises an oil supply device and a plurality of power heads, wherein the oil supply device can supply oil to the plurality of power heads simultaneously; meanwhile, the workbench is also provided with a workbench oil path channel, and the oil supply device can supply oil to parts such as bearings at the workbench, so that the parts such as each power head and the workbench part of the whole machine tool, which most need lubricating oil, can be lubricated by one oil supply device, the oil supply efficiency can be improved, the oil loss can be reduced, the oil path structure can be simplified, and the whole structure of the machine tool is simpler.

The above embodiments are merely illustrative of specific embodiments of the present invention, and the present invention is not limited to the description of the above embodiments.

In the above embodiments, the machine tool is a water wheel type machine tool with a plurality of power heads, in other embodiments, the machine tool may have other structures (such as an inverted type or a disc type or other more complex forms), and the power heads and the oil supply device in the embodiments may be suitable for different machine tools.

In the above embodiments, the oil supply mechanism continuously supplies the lubricating oil to the oil passage through the oil delivery pipe, and in other embodiments, the oil supply mechanism may intermittently supply the lubricating oil to the oil passage through the oil delivery pipe.

Claims (10)

1. A power head mounted on a machine tool for driving a tool to machine a workpiece to be machined into a desired finished workpiece, comprising:

a housing mounted on a bed of the machine tool;

a spindle sleeve slidably disposed in the housing along a longitudinal direction of the housing;

the power head main shaft is arranged in the main shaft sleeve;

the cutter head is arranged at one end of the power head main shaft and used for mounting the cutter;

the spindle motor is used for driving the power head spindle to rotate; and

the feeding mechanism is used for driving the spindle sleeve to slide along the length direction of the shell so as to enable the cutter to be close to or far away from the workpiece to be machined,

wherein, at least one oil passage channel comprising an oil inlet and an oil outlet is arranged in the shell,

the oil inlet hole is arranged on the outer surface of the shell, the oil outlet hole is arranged on the inner surface of the shell,

the oil inlet hole is connected with an external oil supply device, and lubricating oil from the external oil supply device at least passes through the oil passage to the outer surface of the spindle sleeve.

2. The powerhead of claim 1, wherein:

wherein the oil passage comprises a first oil passage,

the first oil passage is provided with a first oil inlet and a first oil outlet,

the first oil inlet hole is provided in an outer surface of the case,

the first oil outlet is formed in the inner surface of one side, close to the cutter disc, of the shell.

3. The powerhead of claim 2, wherein:

wherein the first oil passage is also provided with a second oil outlet,

the second oil outlet is arranged on the end face, close to the cutter head, of the shell.

4. The powerhead of claim 3, wherein:

wherein the shell is in a cylindrical shape,

the first oil passage comprises an oil inlet pore passage, a main oil passage pore passage, a first oil outlet pore passage and a second oil outlet pore passage which extend in the wall of the shell,

the length direction of the oil inlet pore passage is vertical to the length direction of the shell, one end of the oil inlet pore passage is connected with the first oil inlet hole, the other end of the oil inlet pore passage is communicated with one end of the main oil passage pore passage,

the length direction of the main oil path pore canal is arranged along the length direction of the shell, one end far away from the oil inlet pore canal is communicated with the first oil outlet pore canal and the second oil outlet pore canal,

the first oil outlet pore canal extends obliquely towards the direction close to the cutter head, one end of the first oil outlet pore canal far away from the main oil way pore canal is connected with the first oil outlet hole,

the length direction of the second oil outlet pore passage is arranged along the length direction of the shell, and one end, far away from the main oil passage pore passage, of the second oil outlet pore passage is connected with the second oil outlet hole.

5. The powerhead of claim 2, wherein:

wherein the oil passage also comprises a second oil passage,

the second oil passage has a second oil inlet hole, a second main oil passage hole extending in the wall of the housing, and a third oil outlet hole,

the second oil inlet hole is arranged on the outer surface of one end of the shell far away from the cutter head,

the length direction of the second main oil path pore canal is vertical to the length direction of the shell, and two ends of the second main oil path pore canal are respectively connected with the second oil inlet hole and the third oil outlet hole,

the third oil outlet is arranged on the inner surface of one end, far away from the cutter head, of the shell.

6. The powerhead of claim 2, wherein:

wherein the oil path passage comprises a spiral oil path passage communicated with the first oil outlet hole,

the spiral oil path channel is arranged on the inner wall of the shell and spirally surrounds the shell along the length direction of the shell.

7. A power plant, comprising:

the power head is arranged on the machine tool and used for driving a cutter to process a workpiece to be processed; and

an oil supply device for supplying lubricating oil to the power head,

wherein the power head is the power head of any one of claims 1-6,

the oil supply device comprises an oil supply mechanism and an oil supply control part,

the oil supply mechanism is communicated with the oil passage channel through an oil pipeline.

8. The power plant of claim 7, wherein:

wherein the oil supply control part controls the oil supply mechanism to supply oil to the oil passage continuously or intermittently.

9. A machine tool, comprising:

a bed body; and

a power device, a power device and a control device,

wherein the power plant is as claimed in claim 7 or 8.

10. The machine tool of claim 9, further comprising:

the workbench is rotatably arranged in the lathe bed and is provided with a clamp used for clamping the workpiece to be processed,

the oil supply device also leads lubricating oil to a rotating shaft for driving the workbench.

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