CN214817056U

CN214817056U - But self-lubricate's digit control machine tool

Info

Publication number: CN214817056U
Application number: CN202023223766.6U
Authority: CN
Inventors: 吕照新
Original assignee: Nanjing Jiangbei Railway Vehicle Parts Co ltd
Current assignee: Nanjing Jiangbei Railway Vehicle Parts Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-23
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a but self-lubricating digit control machine tool relates to the digit control machine tool field, which comprises a housing, the casing is provided with the baffle in the middle of inside, and installs first motor in baffle bottom surface one side, and first motor output is connected with the lead screw that extends to the casing opposite side, the baffle bottom surface is provided with spacing post, and sliding connection has the first slider that extends to the baffle top on lead screw and the spacing post, the second motor is installed at first slider top. The utility model discloses a set up the lubricating-oil tank in the casing, and set up first oil-out, second oil-out and third oil-out bottom the lubricating-oil tank, through connect first oil pump, second oil pump and third oil pump respectively with first oil-out, second oil-out and third oil-out, and first oil pump, second oil pump and third oil pump are connected respectively with first slider, second slider and third slider in oil duct complex first pipeline, second pipeline and third pipeline, can realize the self-lubricate function.

Description

But self-lubricate's digit control machine tool

Technical Field

The utility model relates to a digit control machine tool field specifically is a but self-lubricate digit control machine tool.

Background

A numerical control machine tool is a short name of a digital control machine tool (Computer numerical control machine tools), and is an automatic machine tool equipped with a program control system which can logically process and decode a program specified by a control code or other symbolic instructions, and which is represented by coded numbers, input to a numerical control device through an information carrier, and send out various control signals from the numerical control device through arithmetic processing to control the operation of the machine tool, thereby automatically machining parts according to the shape and size required by a drawing.

The existing numerical control machine tool does not have an automatic lubricating function, more workload is caused to workers, the working efficiency is low, the machine tool can be damaged due to accidents caused by the fact that the machine body is disassembled in the lubricating process, unnecessary economic losses are generated, the operation is complex, and the lubricating oil of different models is inconvenient to replace.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the existing numerical control machine tool is inconvenient to lubricate and complex to operate and inconvenient to replace lubricating oil of different models, the numerical control machine tool capable of automatically lubricating is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a numerically-controlled machine tool capable of automatically lubricating comprises a machine shell, wherein a partition plate is arranged in the middle of the interior of the machine shell, a first motor is installed on one side of the bottom surface of the partition plate, the output end of the first motor is connected with a lead screw extending to the other side of the machine shell, a limiting column is arranged on the bottom surface of the partition plate, a first sliding block extending to the upper side of the partition plate is connected on the lead screw and the limiting column in a sliding mode, a second motor is installed on the top portion of the first sliding block, a groove matched with the first sliding block is formed in the partition plate, an oil duct is formed in the first sliding block, one end of the oil duct is located at the top portion of the first sliding block, the other end of the oil duct is located above the lead screw and the limiting column, a first guide rail is arranged on one side of the top surface of the partition plate, a first rack is arranged on the other side of the first sliding block, a second sliding block matched with the first rack is connected on the first guide rail in a sliding mode, and a second motor is installed on one side of the top portion of the second sliding block, a third motor is arranged on the other side of the top of the second sliding block, the output end of the third motor is connected with a gear matched with the first rack, an oil duct with one end positioned at the top of the second sliding block and the other end positioned above the first guide rail and the gear is arranged in the second sliding block, a second guide rail and a second rack are longitudinally arranged in the middle of the top of the partition plate, a third sliding block is connected onto the second guide rail and the second rack in a sliding manner, a fourth motor is arranged on the top of the third sliding block, the output end of the fourth motor is connected with the gear matched with the second rack, an oil duct with one end positioned at the top of the third sliding block and the other end positioned above the second guide rail and the gear is arranged in the third sliding block, a distribution box is arranged on one side of the bottom of the inner side of the casing, a lubricating oil box is arranged on the other side of the bottom of the inner side of the casing, and a box cover is rotatably connected with the top of the lubricating oil box, a first oil outlet is formed in one side of the bottom of the lubricating oil tank, a second oil outlet and a third oil outlet are formed in the other side of the bottom of the lubricating oil tank, the first oil outlet, the second oil outlet and the third oil outlet are respectively in threaded detachable connection with a first hose, a second hose and a third hose, the other ends of the first hose, the second hose and the third hose are respectively connected with a first oil pump, a second oil pump and a third oil pump, the output end of the first oil pump is connected with a first pipeline with one end matched with an oil duct on a first slider, the output end of the second oil pump is connected with a second pipeline with one end matched with an oil duct on a third slider, the output end of the third oil pump is connected with a third pipeline with one end matched with an oil duct on the second slider, a group of buckles are arranged at the bottom of the lubricating oil tank, a group of clamping blocks matched with the buckles are arranged at the top of the bottom of the inner side of the machine shell, and an oil receiving groove extending to the lower portion of the screw rod is arranged at the back of the inner side of the machine shell, and one side of the bottom surface of the inner side of the shell is provided with a waste oil tank matched with the oil receiving groove.

Preferably, first guide rail all is provided with the stopper with second guide rail one end, and stopper one side all is provided with the rubber pad, be provided with the bearing between lead screw and the casing is connected.

Preferably, rubber pads are arranged at the joints of the first oil outlet and the first hose, the joints of the second oil outlet and the second hose and the joints of the third oil outlet and the third hose, and filter screens can be detachably connected to the first oil outlet, the second oil outlet and the third oil outlet.

Preferably, the output end of the second motor is provided with a flange plate, the top of the third sliding block is provided with a tool bit clamp, and the tool bit clamp is in threaded connection with a clamping screw.

Preferably, lubricating-oil tank one side is provided with the inductive head that the connection can be dismantled to the screw thread, the casing top is provided with the alarm lamp, and the inductive head passes through block terminal electric connection with the alarm lamp.

Preferably, the casing openly is provided with control panel, and control panel passes through block terminal and first motor, second motor, third motor and fourth motor electric connection.

Preferably, first pipeline, second pipeline and third pipeline all are connected with the oil outlet towards the one end of oil duct, chassis bottom four corners department all is provided with the landing leg.

Preferably, the main door is arranged at the upper half part of the front face of the machine shell, and the first auxiliary door and the second auxiliary door are respectively arranged at the positions, located on the lubricating oil tank and the waste oil tank, of the front face of the machine shell.

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

1. the utility model discloses a set up the lubricating-oil tank in the casing, and set up first oil-out, second oil-out and third oil-out in the lubricating-oil tank bottom, through connect first oil pump, second oil pump and third oil pump respectively with first oil-out, second oil-out and third oil-out, and first oil pump, second oil pump and third oil pump connect respectively with first slider, second slider and third slider in the oil duct complex first pipeline, second pipeline and third pipeline, can realize the self-lubricate function;

2. the utility model discloses a set of buckle sets up at lubricating-oil tank bottom, and set up a set of fixture block with buckle complex in the inboard bottom of casing, and the screw thread can be dismantled and be connected between first hose, second hose and third hose and first oil-out, second oil-out and third oil-out, and the inductive head also can be dismantled and be connected for the screw thread, can be convenient for take out lubricating-oil tank and change the lubricating oil of different models;

3. the utility model discloses a set up at the inboard back of casing and extend to the oil groove that connects of lead screw below, and set up and connect oil groove complex waste oil tank in casing inboard bottom one side, prevent that the lubricating oil that drips from dripping in the inside clean work that influences of casing.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a sectional top view of the present invention;

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

fig. 4 is an enlarged view of a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a partition plate; 3. a first motor; 4. a screw rod; 5. a limiting column; 6. a bearing; 7. a first slider; 8. a second motor; 9. a first guide rail; 10. a first rack; 11. a second slider; 12. a third motor; 13. a second guide rail; 14. a second rack; 15. a third slider; 16. a fourth motor; 17. a flange plate; 18. a tool bit holder; 19. clamping a screw; 20. a lubricating oil tank; 21. a box cover; 22. a first oil outlet; 23. filtering with a screen; 24. a first oil pump; 25. a first hose; 26. a first conduit; 27. an oil outlet nozzle; 28. an oil passage; 29. a second oil outlet; 30. a second oil pump; 31. a second hose; 32. a second conduit; 33. a third oil outlet; 34. a third oil pump; 35. a third hose; 36. a third pipeline; 37. an oil receiving groove; 38. a waste oil tank; 39. a distribution box; 40. a control panel; 41. a main door; 42. a first sub-door; 43. a second sub-door; 44. a support leg; 45. an inductive head; 46. an alarm lamp; 47. buckling; 48. a clamping block; 49. a limiting block; 50. and (7) a rubber pad.

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.

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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, a numerically controlled machine tool capable of automatic lubrication comprises a housing 1, a partition plate 2 is disposed in the middle of the interior of the housing 1, a first motor 3 is mounted on one side of the bottom surface of the partition plate 2, an output end of the first motor 3 is connected with a lead screw 4 extending to the other side of the housing 1, a limiting post 5 is disposed on the bottom surface of the partition plate 2, the lead screw 4 and the limiting post 5 are slidably connected with a first slide block 7 extending above the partition plate 2, a second motor 8 is mounted on the top of the first slide block 7, a slot matched with the first slide block 7 is formed in the partition plate 2, an oil duct 28 is disposed in the first slide block 7 at one end and above the lead screw 4 and the limiting post 5 at the other end, a first guide rail 9 is disposed on one side of the top surface of the partition plate 2, a first rack 10 is disposed on the other side of the first slide block 7, a second slide block 11 matched with the first rack 10 and the first guide rail 9 is slidably connected with the first rack 10, a second motor 8 is arranged on one side of the top of the second sliding block 11, a third motor 12 is arranged on the other side of the top of the second sliding block 11, the output end of the third motor 12 is connected with a gear matched with the first rack 10, an oil duct 28 with one end positioned on the top of the second sliding block 11 and the other end positioned above the first guide rail 9 and the gear is arranged in the second sliding block 11, a second guide rail 13 and a second rack 14 are longitudinally arranged in the middle of the top of the partition board 2, a third sliding block 15 is connected on the second guide rail 13 and the second rack 14 in a sliding way, a fourth motor 16 is arranged on the top of the third sliding block 15, the output end of the fourth motor 16 is connected with a gear matched with the second rack 14, an oil duct 28 with one end positioned on the top of the third sliding block 15 and the other end positioned above the second guide rail 13 and the gear is arranged in the third sliding way, a distribution box 39 is arranged on one side of the bottom inside of the machine shell 1, and a lubricating oil tank 20 is arranged on the other side of the bottom of the inside of the machine shell 1, a case cover 21 is rotatably connected to the top of the lubricating oil tank 20, a first oil outlet 22 is formed in one side of the bottom of the lubricating oil tank 20, a second oil outlet 29 and a third oil outlet 33 are formed in the other side of the bottom of the lubricating oil tank 20, the first oil outlet 22, the second oil outlet 29 and the third oil outlet 33 are respectively connected with a first hose 25, a second hose 31 and a third hose 35 in a detachable mode through threads, the other ends of the first hose 25, the second hose 31 and the third hose 35 are respectively connected with a first oil pump 24, a second oil pump 30 and a third oil pump 34, the output end of the first oil pump 24 is connected with a first pipeline 26, one end of the first pipeline is matched with an oil duct 28 on the first slider 7, the output end of the second oil pump 30 is connected with a second pipeline 32, one end of the second pipeline is matched with the oil duct 28 on the third slider 15, the output end of the third oil pump 34 is connected with a third pipeline 36, one end of the third pipeline is matched with the oil duct 28 on the second slider 11, a group of buckles 47 is arranged at the bottom of the lubricating oil tank 20, and a group of fixture blocks 48 matched with the fasteners 47 are arranged at the top of the bottom surface of the inner side of the casing 1, an oil receiving groove 37 extending to the lower part of the screw rod 4 is arranged at the back surface of the inner side of the casing 1, and a waste oil tank 38 matched with the oil receiving groove 37 is arranged at one side of the bottom surface of the inner side of the casing 1.

The utility model discloses a set up lubricating-oil tank 20 in the casing, and set up first oil-out 22, second oil-out 29 and third oil-out 33 in lubricating-oil tank 20 bottom, through connect first oil pump 24, second oil pump 30 and third oil pump 34 respectively with first oil-out 22, second oil-out 29 and third oil-out 33, and first oil pump 24, second oil pump 30 and third oil pump 34 connect respectively with first slider 7, second slider 11 and third slider 15 in oil duct 28 complex first pipeline 26, second pipeline 32 and third pipeline 36, can realize the automatic lubrication function, through set up a set of buckle 47 in lubricating-oil tank 20 bottom, and set up a set of fixture block 48 with buckle complex in casing 1 inboard bottom, and be threaded detachable connection between first hose 25, second hose 31 and third hose 35 and first oil-out 22, second oil-out 29 and third oil-out 33, the inductive head 45 is also connected for the screw thread can be dismantled, can be convenient for take out lubricating-oil tank 20 and change the lubricating oil of different models, through set up the oil groove 37 that connects that extends to the lead screw 4 below at the inboard back of casing 1, and set up and connect oil groove 37 complex waste oil tank 38 in casing 1 inboard bottom one side, prevent that the lubricating oil that drips from dripping in the inside clean work that influences of casing 1.

Please refer to fig. 1 and fig. 2 emphatically, first guide rail 9 all is provided with stopper 49 with second guide rail 13 one end, and stopper 49 one side all is provided with rubber pad 50, is provided with bearing 6 between lead screw 4 and the casing 1 is connected, the utility model discloses a set up stopper 49, can prevent that second slider 11 and third slider 15 from droing, rubber pad 50 can reduce the collision injury between second slider 11 and third slider 15 and stopper 49, and bearing 6 can make lead screw 4 rotate more in the same direction as smooth.

Please refer to fig. 1 and fig. 4, the joints of the first oil outlet 22 and the first hose 25, the joints of the second oil outlet 29 and the second hose 31, and the joints of the third oil outlet 33 and the third hose 35 are all provided with rubber pads 50, and the filter screens 23 are detachably connected in the first oil outlet 22, the second oil outlet 29 and the third oil outlet 33, the utility model discloses a setting up the rubber pads 50, can make the joints of the first oil outlet 22 and the first hose 25, the joints of the second oil outlet 29 and the second hose 31, and the joints of the third oil outlet 33 and the third hose 35 more sealed, the filter screens 23 can ensure the purity of the lubricating oil.

Please refer to fig. 1 and fig. 2 heavily, the second motor 8 output all is provided with ring flange 17, and third slider 15 top is provided with tool bit anchor clamps 18, and threaded connection has clamping screw 19 on the tool bit anchor clamps 18, the utility model discloses a set up ring flange 17, can be convenient for change multiple anchor clamps, tool bit anchor clamps 18 and clamping screw 19 complex are convenient for change the tool bit.

Please refer to fig. 1, fig. 3 and fig. 4 emphatically, lubricating-oil tank 20 one side is provided with the inductive head 45 that the connection can be dismantled to the screw thread, and 1 top of casing is provided with alarm lamp 46, and inductive head 45 passes through block terminal 39 electric connection with alarm lamp 46, the utility model discloses a set up inductive head 45 and alarm lamp 46, can remind the liquid feeding when fluid is not enough.

Please refer to fig. 3, the front surface of the housing 1 is provided with a control panel 40, and the control panel 40 is electrically connected to the first motor 3, the second motor 8, the third motor 12 and the fourth motor 16 through the distribution box 39, the utility model discloses the operating condition of the first motor 3, the second motor 8, the third motor 12 and the fourth motor 16 can be controlled by the control panel.

Please refer to fig. 1 and fig. 3, the first pipeline 26, the second pipeline 32 and the third pipeline 36 are all connected to the oil outlet 27 towards the end of the oil passage 28, and the four corners of the bottom of the casing 1 are all provided with the supporting legs 44, the oil outlet 27 is provided to prevent the oil from splashing, and the supporting legs 44 support the device.

Please refer to fig. 3, the upper half of the front of the housing 1 is provided with a main door 41, and the front of the housing 1 is located at the lubricating oil tank 20 and the waste oil tank 38 and is provided with a first auxiliary door 42 and a second auxiliary door 43 respectively, the utility model discloses a setting up the main door 41, being convenient for operation, the first auxiliary door 42 and the second auxiliary door 43 can be convenient for take out the lubricating oil tank 20 and the waste oil tank 38.

The working principle is as follows: when the tool is used, the main door 41 is opened, a clamp to be used is installed on the flange plate 17, an alloy tool bit is placed in the tool bit clamp 18, the clamping screw 19 is rotated to clamp the alloy tool bit, the first motor 3 and the third motor 12 are controlled by the control panel 40 to drive the first sliding block 7 and the second sliding block 11 to slide relatively, then a workpiece to be turned is clamped by the clamp, the second motor 8 is controlled by the control panel 40 to rotate, the first motor 3, the third motor 12 and the fourth motor 16 can be controlled to work according to system setting, the workpiece is cut, when lubrication is needed, a lubrication key on the control panel 40 is pressed, the first motor 3, the third motor 12 and the fourth motor 16 automatically work, the first sliding block 7, the second sliding block 11 and the third sliding block 15 drive the oil passages 28 in the first sliding block 7, the second sliding block 11 and the third sliding block to respectively correspond to the first pipeline 26, the third pipeline 36 and the second pipeline 32, the first oil pump 24, the second oil pump, The third oil pump 34 and the second oil pump 30 work to suck lubricating oil to the oil outlet nozzle 27 and spray the lubricating oil into the oil duct 28, when the first sliding block 7, the second sliding block 11 and the third sliding block 15 move, the lubricating oil can be smeared on each place needing to be lubricated, when the oil liquid level is lower than the induction head 45, the alarm lamp 46 is turned on to prompt that the lubricating oil needs to be added, the dropping lubricating oil can be received by the oil receiving groove 37 and flows into the waste oil tank 38, the second sub-door 43 can be opened to take out and clean the waste oil tank 38, when the lubricating oil of different models needs to be replaced, the first sub-door 42 is opened, the first hose 25, the second hose 31 and the third hose 35 are unscrewed, the induction head 45 is unscrewed, the lubricating oil tank 20 is pulled to separate the clamping block 47 from the clamping block 48, the lubricating oil tank 20 is taken out, and the tank cover 21 is opened to clean, so that the lubricating oil of different models can be added.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a but self-lubricate digit control machine tool, includes casing (1), its characterized in that: the middle of the interior of the casing (1) is provided with a partition plate (2), one side of the bottom surface of the partition plate (2) is provided with a first motor (3), the output end of the first motor (3) is connected with a lead screw (4) extending to the other side of the casing (1), the bottom surface of the partition plate (2) is provided with a limiting column (5), the lead screw (4) and the limiting column (5) are connected with a first sliding block (7) extending to the upper part of the partition plate (2) in a sliding manner, the top of the first sliding block (7) is provided with a second motor (8), the partition plate (2) is provided with a notch matched with the first sliding block (7), the first sliding block (7) is provided with an oil duct (28) of which one end is positioned at the top of the first sliding block (7) and the other end is respectively positioned above the lead screw (4) and the limiting column (5), the top surface of the partition plate (2) is positioned on one side of the first sliding block (7) and is provided with a first guide rail (9), a first rack (10) is arranged on the other side of the first sliding block (7) on the top surface of the partition plate (2), a second sliding block (11) matched with the first rack (10) is connected with the first guide rail (9) in a sliding manner, a second motor (8) is arranged on one side of the top of the second sliding block (11), a third motor (12) is arranged on the other side of the top of the second sliding block (11), the output end of the third motor (12) is connected with a gear matched with the first rack (10), an oil duct (28) with one end arranged on the top of the second sliding block (11) and the other end arranged above the first guide rail (9) and the gear is arranged in the second sliding block (11), a second guide rail (13) and a second rack (14) are longitudinally arranged in the middle of the top of the partition plate (2), and a third sliding block (15) is connected with the second guide rail (13) and the second rack (14) in a sliding manner, a fourth motor (16) is installed at the top of the third sliding block (15), the output end of the fourth motor (16) is connected with a gear matched with the second rack (14), one end of the third sliding block (15) is located at the top of the third sliding block (15), the other end of the third sliding block is located in an oil duct (28) above the second guide rail (13) and the gear, a distribution box (39) is arranged on one side of the bottom of the inner side of the casing (1), a lubricating oil tank (20) is arranged on the other side of the bottom of the inner side of the casing (1), the top of the lubricating oil tank (20) is rotatably connected with a box cover (21), a first oil outlet (22) is formed in one side of the bottom of the lubricating oil tank (20), a second oil outlet (29) and a third oil outlet (33) are formed in the other side of the bottom of the lubricating oil tank (20), and a first hose (25) and a third oil outlet (33) are detachably connected to the first oil outlet (22), the second oil outlet (29) and the third oil outlet (33) through threads respectively, The lubricating oil tank comprises a second hose (31) and a third hose (35), the other ends of the first hose (25), the second hose (31) and the third hose (35) are respectively connected with a first oil pump (24), a second oil pump (30) and a third oil pump (34), the output end of the first oil pump (24) is connected with a first pipeline (26) with one end matched with an upper oil duct (28) of a first slider (7), the output end of the second oil pump (30) is connected with a second pipeline (32) with one end matched with the upper oil duct (28) of a third slider (15), the output end of the third oil pump (34) is connected with a third pipeline (36) with one end matched with the upper oil duct (28) of a second slider (11), the bottom of the lubricating oil tank (20) is provided with a group of buckles (47), the top of the inner bottom surface of the machine shell (1) is provided with a group of clamping blocks (48) matched with the buckles (47), and the back of the inner side of the machine shell (1) is provided with an oil receiving groove (37) extending to the lower portion of the screw rod (4), and a waste oil tank (38) matched with the oil receiving groove (37) is arranged on one side of the bottom surface of the inner side of the machine shell (1).

2. The numerically controlled machine tool capable of automatic lubrication according to claim 1, wherein: first guide rail (9) and second guide rail (13) one end all are provided with stopper (49), and stopper (49) one side all is provided with rubber pad (50), be provided with bearing (6) between being connected with casing (1) lead screw (4).

3. The numerically controlled machine tool capable of automatic lubrication according to claim 1, wherein: rubber pads (50) are arranged at the joints of the first oil outlet (22) and the first hose (25), the joints of the second oil outlet (29) and the second hose (31) and the joints of the third oil outlet (33) and the third hose (35), and filter screens (23) can be detachably connected in the first oil outlet (22), the second oil outlet (29) and the third oil outlet (33).

4. The numerically controlled machine tool capable of automatic lubrication according to claim 1, wherein: the output end of the second motor (8) is provided with a flange plate (17), the top of the third sliding block (15) is provided with a tool bit clamp (18), and the tool bit clamp (18) is connected with a clamping screw (19) in a threaded mode.

5. The numerically controlled machine tool capable of automatic lubrication according to claim 1, wherein: lubricating-oil tank (20) one side is provided with induction head (45) that the connection can be dismantled to the screw thread, casing (1) top is provided with alarm lamp (46), and induction head (45) and alarm lamp (46) pass through block terminal (39) electric connection.

6. The numerically controlled machine tool capable of automatic lubrication according to claim 1, wherein: casing (1) openly is provided with control panel (40), and control panel (40) pass through block terminal (39) and first motor (3), second motor (8), third motor (12) and fourth motor (16) electric connection.

7. The numerically controlled machine tool capable of automatic lubrication according to claim 1, wherein: the first pipeline (26), the second pipeline (32) and the third pipeline (36) are connected with oil outlets (27) towards one ends of the oil passages (28), and supporting legs (44) are arranged at four corners of the bottom of the machine shell (1).

8. The numerically controlled machine tool capable of automatic lubrication according to claim 1, wherein: the upper half part of the front surface of the machine shell (1) is provided with a main door (41), and the front surface of the machine shell (1) is provided with a first auxiliary door (42) and a second auxiliary door (43) at the lubricating oil tank (20) and the waste oil tank (38) respectively.