CN114227343A

CN114227343A - X-axis screw rod mechanism

Info

Publication number: CN114227343A
Application number: CN202111630041.5A
Authority: CN
Inventors: 李景平; 华文灶; 余丕亮
Original assignee: Dongguan Baoke Precision Machinery Co ltd
Current assignee: Dongguan Baoke Precision Machinery Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-03-25
Anticipated expiration: 2041-12-29
Also published as: CN114227343B

Abstract

The invention discloses an X-axis screw rod mechanism, and belongs to the field of numerical control machines. The utility model provides an X axle screw rod mechanism, includes that the upper end is equipped with the rectangle frame of spout, still includes: the screw rod is rotatably installed between the inner walls of the two sides of the sliding groove, a driving motor is fixedly installed on the outer wall of the rectangular frame, the output end of the driving motor is fixedly connected with one end of the screw rod, a sliding seat matched with the screw rod is in threaded connection with the outer wall of the screw rod, and the sliding seat is slidably connected in the sliding groove; the transverse pipe is fixedly connected in the sliding seat, wherein two ends of the transverse pipe extend to two sides of the sliding seat and are fixedly provided with nozzles, and output ends of the two nozzles face the surface of the screw rod; the oil tank is fixedly arranged at the lower end of the rectangular frame; the oil-spraying lubricating device can effectively perform oil-spraying lubrication and cooling on the screw threads of the screw rod which are stressed and are about to be stressed, thereby effectively preventing the screw rod from deforming and breaking teeth due to overheating after being used for a long time.

Description

X-axis screw rod mechanism

Technical Field

The invention relates to the technical field of numerical control machine tools, in particular to an X-axis screw rod mechanism.

Background

The numerical control machine tool is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. After operation, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by the drawing.

In the use of digit control machine tool, the X axle lead screw in the digit control machine tool can drive on supporting seat and the supporting seat by the processing part horizontal migration, can lead to X axle lead screw can bear great axial stress to when processing the part, X axle lead screw often needs long-time reciprocating motion, then leads to the X axle lead screw to appear violent generating heat under the repeated friction, and then leads to X axle lead screw to appear disconnected tooth and the problem of deformation easily.

Disclosure of Invention

The invention aims to solve the problem that an X-axis lead screw in a numerical control machine tool in the prior art is easy to generate heat and deform after long-time operation, and provides an X-axis lead screw mechanism.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an X axle screw rod mechanism, includes that the upper end is equipped with the rectangle frame of spout, still includes: the screw rod is rotatably installed between the inner walls of the two sides of the sliding groove, a driving motor is fixedly installed on the outer wall of the rectangular frame, the output end of the driving motor is fixedly connected with one end of the screw rod, a sliding seat matched with the screw rod is in threaded connection with the outer wall of the screw rod, and the sliding seat is slidably connected in the sliding groove; the transverse pipe is fixedly connected in the sliding seat, wherein two ends of the transverse pipe extend to two sides of the sliding seat and are fixedly provided with nozzles, and output ends of the two nozzles face the surface of the screw rod; the oil tank, fixed mounting is in the lower extreme of rectangle frame, wherein, oil tank lateral wall fixedly connected with extends to the play oil pipe of bottom in it, go out the oil pipe through first hose and horizontal pipe fixed connection and intercommunication, the outer wall of rectangle frame is equipped with the automatic booster mechanism with driving motor output shaft.

For the automatic oil spout cooling of automatic realization lead screw, preferably, automatic pressure boost mechanism includes the ring of fixed connection at the rectangle frame outer wall, the outer wall at the driving motor output shaft is established to the ring cover, the inner wall fixed mounting of ring has a plurality of elasticity gasbags, and is a plurality of the equal fixedly connected with of lateral wall of elasticity gasbag is rather than the breathing pipe and the blast pipe of intercommunication, the upper end lateral wall fixedly connected with of oil tank is rather than the forcing pipe of intercommunication, and is a plurality of the blast pipe all passes through second hose and forcing pipe fixed connection, driving motor's output shaft outer wall fixedly connected with and elasticity gasbag complex cam.

In order to effectively recycle the used lubricating oil, preferably, a recycling tank is fixedly mounted at the lower end of the rectangular frame, the recycling tank is located between the oil tank and the rectangular frame, a first recycling tank and a second recycling tank which extend into the recycling tank are respectively arranged at two sides of the chute, a filter plate is fixedly mounted between the inner walls of the recycling tank, a communicating pipe which extends into the oil tank is fixedly connected to the inner bottom of the recycling tank, and a valve is fixedly mounted in the communicating pipe.

In order to prevent the filter plate from being blocked by the iron scraps for a long time, further, the lateral wall fixedly connected with of sliding seat extends to the L-shaped plate in the collection box, the outer wall of collection box is equipped with the bar groove with L-shaped plate complex, the inside top of collection box is equipped with the device piece with L-shaped plate fixed connection, the lower extreme fixed mounting of device piece has magnetism to inhale the device.

In order to reduce the frictional resistance between the sliding seat and the sliding chute, preferably, the lower end and both sides of the sliding seat are respectively provided with a ball which is abutted against the inner wall of the sliding chute.

In order to prevent the iron scraps from being accumulated in the sliding groove, furthermore, sealing gaskets which are abutted against the inner wall of the sliding groove are fixedly connected to two sides of the lower end of the sliding seat.

In order to improve the efficiency of removing the iron scraps on the filter plate, furthermore, both sides of the lower end of the device block are provided with a row of brushes which are abutted against the upper end surface of the filter plate.

In order to facilitate oil filling and oil changing of the oil tank, an oil filling pipe is preferably fixedly mounted on the side wall of the upper end of the oil tank.

For the benefit, preferably, elastic cloth is elastically connected between both sides of the upper end of the sliding seat and both side inner walls of the sliding chute.

In order to facilitate the removal of the iron scraps on the magnetic attraction device, further, the magnetic attraction device is an electromagnet.

Compared with the prior art, the invention provides an X-axis screw rod mechanism, which has the following beneficial effects:

1. according to the X-axis screw rod mechanism, the cam is driven by the driving motor to intermittently extrude the elastic air bag, and the lubricating oil is sprayed onto the screw rod by the oil tank through the nozzle under the action of the air pressure of the elastic air bag, so that oil injection lubrication and cooling are carried out on the screw rod threads stressed and to be stressed, and the conditions of deformation and tooth breakage caused by overheating of the screw rod after long-time use are prevented;

2. the X-axis lead screw mechanism recovers the lubricating oil in the sliding chute into a recovery box through the first recovery groove and the second recovery groove at the bottom in the sliding chute, and then filters the lubricating oil through the filter plate, so that the used lubricating oil is effectively recovered and utilized, and the waste of resources is reduced;

3. this X axle screw mechanism drives the magnetism through gliding sliding seat and inhales the device and slide in the collection box, and magnetism inhales the device and then can adsorb the iron of filter up end check and cut, makes the filter guarantee good filtration efficiency.

4. This X axle screw mechanism still can drive the brush at both ends through gliding device piece and sweep the up end of filter to iron cut to the filter up end in becomes flexible, promotes magnetism and inhales the adsorption efficiency of device.

Drawings

FIG. 1 is a schematic axial view of an X-axis screw mechanism according to the present invention;

FIG. 2 is a schematic view of an axial cutting structure of an X-axis screw mechanism according to the present invention;

FIG. 3 is a front view of a cutting structure of an X-axis screw mechanism according to the present invention;

FIG. 4 is a schematic structural diagram of the X-axis screw mechanism shown in FIG. 2 at A;

FIG. 5 is a schematic diagram of a circular ring axial structure of an X-axis screw mechanism according to the present invention;

FIG. 6 is a schematic structural diagram of an X-axis screw mechanism shown at B in FIG. 3 according to the present invention;

fig. 7 is a schematic structural diagram of the X-axis screw mechanism shown in fig. 2 at C.

In the figure: 1. a rectangular frame; 2. a chute; 3. a screw rod; 4. a drive motor; 5. a sliding seat; 6. a recycling bin; 7. a filter plate; 8. a first recycling tank; 9. a second recovery tank; 10. an oil tank; 11. a transverse tube; 12. a nozzle; 13. an oil outlet pipe; 14. a first hose; 15. a communicating pipe; 16. an oil filler tube; 17. a circular ring; 18. an elastic air bag; 19. a cam; 20. an exhaust pipe; 21. an air intake duct; 22. a second hose; 23. a pressurizing pipe; 24. an L-shaped plate; 25. a device block; 26. a magnetic attraction device; 27. a brush; 28. a strip-shaped groove; 29. an elastic cloth; 30. a ball bearing; 31. and a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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.

Example 1:

referring to fig. 1-7, an X-axis screw rod mechanism includes a rectangular frame 1 with a sliding groove 2 at the upper end, and further includes: the screw rod 3 is rotatably arranged between the inner walls of the two sides of the sliding chute 2, wherein the outer wall of the rectangular frame 1 is fixedly provided with a driving motor 4, the output end of the driving motor 4 is fixedly connected with one end of the screw rod 3, the outer wall of the screw rod 3 is in threaded connection with a sliding seat 5 matched with the screw rod, and the sliding seat 5 is in sliding connection in the sliding chute 2; the transverse pipe 11 is fixedly connected in the sliding seat 5, wherein two ends of the transverse pipe 11 extend to two sides of the sliding seat 5 and are fixedly provided with nozzles 12, and output ends of the two nozzles 12 face the surface of the screw rod 3; the oil tank 10 is fixedly installed at the lower end of the rectangular frame 1, wherein the side wall of the oil tank 10 is fixedly connected with an oil outlet pipe 13 extending to the inner bottom part of the oil tank, the oil outlet pipe 13 is fixedly connected and communicated with the transverse pipe 11 through a first hose 14, the outer wall of the rectangular frame 1 is provided with an automatic supercharging mechanism connected with an output shaft of a driving motor 4, the driving motor 4 drives a screw rod 3 to rotate, the screw rod 3 drives a sliding seat 5 to slide in a sliding chute 2, so as to realize the sliding of an X shaft of a numerical control machine tool, during the sliding of the sliding seat 5, the driving motor 4 inflates the oil tank 10 through the automatic supercharging mechanism, lubricating oil in the oil tank 10 is conveyed into the transverse pipe 11 through the oil outlet pipe 13 and the first hose 14 under the action of air pressure, and is finally sprayed onto the screw rod 3 from nozzles 12 at two ends of the transverse pipe 11, so as to perform oil spray lubrication on the threads of the screw rod 3 which are stressed and are about to be stressed, and cool the screw rod 3 in time, the screw rod 3 is prevented from being deformed and broken due to overheating after being used for a long time.

Furthermore, the lower end and two sides of the sliding seat 5 are both provided with balls 30 which are abutted against the inner wall of the sliding chute 2, and the balls 30 can greatly reduce the friction force of the sliding seat 5 sliding in the sliding chute 2.

Furthermore, a filler tube 16 is fixedly installed on the upper sidewall of the oil tank 10 to facilitate oil filling and oil changing of the oil tank 10.

Furthermore, elastic cloth 29 is elastically connected between two sides of the upper end of the sliding seat 5 and two inner walls of two sides of the sliding chute 2, when the sliding seat 5 slides in the sliding chute 2, the elastic cloth 29 can elastically pull a rope and shorten in the sliding chute 2, so that the elastic cloth 29 is always kept at the upper port of the sliding chute 2, and dust and foreign matters are prevented from entering the sliding chute 2.

Example 2:

referring to fig. 2-5, substantially the same as in example 1, further: the automatic supercharging mechanism comprises a circular ring 17 fixedly connected to the outer wall of a rectangular frame 1, the circular ring 17 is sleeved on the outer wall of an output shaft of a driving motor 4, a plurality of elastic air bags 18 are fixedly installed on the inner wall of the circular ring 17, the side walls of the elastic air bags 18 are fixedly connected with an air suction pipe 21 and an air exhaust pipe 20 which are communicated with the elastic air bags 18, the side wall of the upper end of an oil tank 10 is fixedly connected with a pressure pipe 23 which is communicated with the upper end of the oil tank 10, the exhaust pipes 20 are fixedly connected with the pressure pipe 23 through second hoses 22, the outer wall of the output shaft of the driving motor 4 is fixedly connected with a cam 19 which is matched with the elastic air bags 18, the driving motor 4 can drive the cam 19 to rotate in the circular ring 17 during sliding of a sliding seat 5, the cam 19 can intermittently extrude the elastic air bags 18 in the circular ring 17, the elastic air bags 18 can exhaust air in the oil tank through the air exhaust pipes 20, the exhaust pipes 20 can convey air into the oil tank 10 through the second hoses 22 and the pressure pipe 23, lubricating oil in the oil tank 10 can be carried in the horizontal pipe 11 through oil pipe 13 and first hose 14 under the atmospheric pressure effect, spout on the lead screw 3 from the nozzle 12 at horizontal pipe 11 both ends at last, thereby carry out the oil spout lubrication with the lead screw 3 screw that is about to receive the force after the atress, and cool off the lead screw 3 in time, prevent that the lead screw 3 from appearing overheated and warping after using for a long time, when elasticity gasbag 18 does not receive the extrusion of cam 19, elasticity gasbag 18 then can absorb outside air through breathing pipe 21, nozzle 12 stops the oil spout simultaneously.

Example 3:

referring to fig. 1-3, substantially the same as in example 1, further: the lower end of the rectangular frame 1 is fixedly provided with a recovery box 6, the recovery box 6 is positioned between an oil tank 10 and the rectangular frame 1, two sides of the chute 2 are respectively provided with a first recovery tank 8 and a second recovery tank 9 which extend into the recovery box 6, a filter plate 7 is fixedly arranged between the inner walls of the recovery box 6, the inner bottom of the recovery box 6 is fixedly connected with a communicating pipe 15 which extends into the oil tank 10, a valve is fixedly arranged in the communicating pipe 15, lubricating oil sprayed by the nozzle 12 flows back into the recovery box 6 through the first recovery tank 8 and the second recovery tank 9 at the inner bottom of the chute 2, and then is filtered through the filter plate 7, so that the used lubricating oil is effectively recovered and utilized, the waste of resources is reduced, when the sliding seat 5 slides, the sliding seat 5 can push the oil in the chute 2 into the first recovery tank 8 and the second recovery tank 9, when the lubricating oil recovered in the recovery box 6 is too much, the oil can be recovered to the oil tank 10 through the communication pipe 15 and reused.

Furthermore, the two sides of the lower end of the sliding seat 5 are fixedly connected with sealing gaskets 31 which are abutted against the inner wall of the sliding groove 2, and the sealing gaskets 31 can improve the sealing performance between the sliding seat 5 and the sliding groove 2, so that the lubricating oil with scrap iron is prevented from being accumulated in the sliding groove 2 for a long time.

Example 4:

referring to fig. 1-3 and 6-7, substantially the same as in example 1, further: lateral wall fixedly connected with of sliding seat 5 extends to L shaped plate 24 in the collection box 6, the outer wall of collection box 6 is equipped with and 24 complex bar grooves 28 of L shaped plate, the interior top of collection box 6 is equipped with device piece 25 with 24 fixed connection of L shaped plate, the lower extreme fixed mounting of device piece 25 has magnetism to inhale device 26, when 5 horizontal slip of sliding seat, sliding seat 5 can drive device piece 25 and magnetism to inhale device 26 and slide in collection box 6 through L shaped plate 24, magnetism inhales device 26 then can adsorb the iron of filter 7 up end check and keep off, make filter 7 guarantee good filtration efficiency.

Furthermore, both sides of the lower end of the device block 25 are provided with a row of brushes 27 which abut against the upper end face of the filter plate 7, and when the sliding seat 5 slides left and right, the sliding seat 5 can drive the brushes 27 at both ends to sweep the upper end face of the filter plate 7 through the device block 25, so that the iron cuttings in the upper end face of the filter plate 7 are loosened, and the adsorption efficiency of the magnetic attraction device 26 is improved.

Furthermore, the magnetic attraction device 26 is an electromagnet, and when the lower end of the magnetic attraction device 26 adsorbs excessive iron scraps, the adsorbed iron scraps can be conveniently removed by the electromagnet.

The working principle is as follows: in the invention, the screw rod 3 is driven to rotate by the driving motor 4, the screw rod 3 can drive the sliding seat 5 to slide in the chute 2, the X-axis sliding of the numerical control machine tool is realized, during the sliding of the sliding seat 5, the driving motor 4 can also drive the cam 19 to rotate in the circular ring 17, the cam 19 can intermittently extrude the elastic air bag 18 in the circular ring 17, the elastic air bag 18 can discharge the internal air through the exhaust pipe 20, the exhaust pipe 20 can convey the air into the oil tank 10 through the second hose 22 and the pressurizing pipe 23, the lubricating oil in the oil tank 10 can be conveyed into the transverse pipe 11 through the oil outlet pipe 13 and the first hose 14 under the action of air pressure, and finally the lubricating oil is sprayed onto the screw rod 3 from the nozzles 12 at two ends of the transverse pipe 11, so as to spray oil on the threads of the screw rod 3 which is stressed and is about to be stressed, cool the screw rod 3 in time, and prevent the screw rod 3 from deforming and breaking due to overheating after long-time use, when the elastic air bag 18 is not pressed by the cam 19, the elastic air bag 18 sucks the outside air through the air suction pipe 21, the nozzle 12 stops injecting the oil at the same time, the injected lubricating oil flows back into the recovery tank 6 through the first recovery groove 8 and the second recovery groove 9 at the bottom in the chute 2, then the lubricating oil is filtered by the filter plate 7, so that the used lubricating oil is effectively recycled, the waste of resources is reduced, when the sliding seat 5 slides left and right, the sliding seat 5 will drive the device block 25 and the magnetic attraction device 26 to slide in the recycling box 6 through the L-shaped plate 24, the magnetic attraction device 26 will attract the iron scraps on the upper end surface of the filter plate 7, so that the filter plate 7 can ensure good filtering efficiency, and the device block 25 will drive the brushes 27 at both ends to sweep the upper end surface of the filter plate 7, thereby loosening the iron scraps in the upper end face of the filter plate 7 and improving the adsorption efficiency of the magnetic suction device 26.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an X axle silk pole mechanism, includes that the upper end is equipped with rectangle frame (1) of spout (2), its characterized in that still includes:

the screw rod (3) is rotatably arranged between the inner walls of the two sides of the chute (2),

the outer wall of the rectangular frame (1) is fixedly provided with a driving motor (4), the output end of the driving motor (4) is fixedly connected with one end of a screw rod (3), the outer wall of the screw rod (3) is in threaded connection with a sliding seat (5) matched with the screw rod, and the sliding seat (5) is in sliding connection in the sliding groove (2);

a transverse tube (11) fixedly connected in the sliding seat (5),

the two ends of the transverse pipe (11) extend to the two sides of the sliding seat (5) and are fixedly provided with nozzles (12), and the output ends of the two nozzles (12) face the surface of the screw rod (3);

an oil tank (10) fixedly arranged at the lower end of the rectangular frame (1),

wherein, oil tank (10) lateral wall fixedly connected with extends to oil pipe (13) of its bottom in, oil pipe (13) are through first hose (14) and horizontal pipe (11) fixed connection and intercommunication, and the outer wall of rectangular frame (1) is equipped with the automatic booster mechanism who is connected with driving motor (4) output shaft.

2. The X-axis screw mechanism according to claim 1, characterized in that the automatic pressurization mechanism comprises a circular ring (17) fixedly connected to the outer wall of the rectangular frame (1), the circular ring (17) is sleeved on the outer wall of the output shaft of the driving motor (4), a plurality of elastic air bags (18) are fixedly mounted on the inner wall of the circular ring (17), the side walls of the elastic air bags (18) are fixedly connected with an air suction pipe (21) and an air exhaust pipe (20) communicated with the elastic air bags, the side wall of the upper end of the oil tank (10) is fixedly connected with a pressure pipe (23) communicated with the oil tank, the air exhaust pipe (20) is fixedly connected with the pressure pipe (23) through a second hose (22), and the outer wall of the output shaft of the driving motor (4) is fixedly connected with a cam (19) matched with the elastic air bags (18).

3. The X-axis lead screw mechanism according to claim 1, characterized in that a recovery box (6) is fixedly arranged at the lower end of the rectangular frame (1), the recovery box (6) is positioned between the oil tank (10) and the rectangular frame (1), a first recovery tank (8) and a second recovery tank (9) extending into the recovery box (6) are respectively arranged at two sides of the chute (2), a filter plate (7) is fixedly arranged between the inner walls of the recovery box (6), a communicating pipe (15) extending into the oil tank (10) is fixedly connected to the inner bottom of the recovery box (6), and a valve is fixedly arranged in the communicating pipe (15).

4. The X-axis screw rod mechanism according to claim 3, characterized in that the side wall of the sliding seat (5) is fixedly connected with an L-shaped plate (24) extending into the recycling box (6), the outer wall of the recycling box (6) is provided with a strip-shaped groove (28) matched with the L-shaped plate (24), the inner top of the recycling box (6) is provided with a device block (25) fixedly connected with the L-shaped plate (24), and the lower end of the device block (25) is fixedly provided with a magnetic attraction device (26).

5. An X-axis screw mechanism according to claim 1, characterized in that the lower end and both sides of the sliding seat (5) are provided with balls (30) which abut against the inner wall of the chute (2).

6. The X-axis screw mechanism according to claim 3, wherein both sides of the lower end of the sliding seat (5) are fixedly connected with sealing gaskets (31) which are abutted against the inner wall of the sliding groove (2).

7. An X-axis screw mechanism according to claim 4, characterized in that the device block (25) is provided with a row of brushes (27) on both sides of its lower end which abut against the upper end surface of the filter plate (7).

8. The X-axis screw mechanism according to claim 1, wherein a filler tube (16) is fixedly mounted to an upper end side wall of the oil tank (10).

9. The X-axis screw mechanism according to claim 1, wherein elastic cloth (29) is elastically connected between both sides of the upper end of the sliding seat (5) and the inner walls of both sides of the sliding chute (2).

10. An X-axis screw mechanism according to claim 4, characterized in that the magnetic attracting means (26) is an electromagnet.