CN112846819A - Moving mechanism of numerical control machine tool and lubricating method thereof - Google Patents

Abstract

The technical scheme of the invention is realized as follows: the utility model provides a moving mechanism of digit control machine tool which characterized in that: the device comprises a workbench and a base, wherein the base is provided with an upright post capable of sliding along the base, and the upright post is arranged on the base in a sliding manner through a sliding mechanism; the tool head is arranged at one end of the sliding seat, which is far away from the sliding block, a tool head is arranged at one end of the sliding seat, the side edge of the base is provided with a connecting beam, and the connecting beam is connected with the bottoms of the two stand columns; the base is also provided with a lubricating mechanism for adding lubricating liquid to the sliding mechanism; the invention has the beneficial effects that: automatic oil supply lubrication, even lubrication liquid addition and lubrication work by switching the lubrication liquid.

Description

Moving mechanism of numerical control machine tool and lubricating method thereof

Technical Field

The invention relates to the technical field of machine tools, in particular to a moving mechanism of a numerical control machine tool and a lubricating method thereof.

Background

Known mobile column milling machines comprise: a horizontal base anchored to the floor; a column support horizontally slidable along the base; a column structure supported by the support; a sliding bearing vertically slidable along the column structure; a carriage horizontally slidable along the support in a direction perpendicular to the longitudinal axis of the base; the main shaft head is arranged at the end part of the sliding seat and faces the workbench, and a workpiece to be processed is fixed on the workbench; in order to meet the social development, it is known to anchor the base in a pit previously made on the floor of the room in which the machine is installed, and the worktable on the floor, parallel to said pit, which solution has the advantage of allowing the spindle to be positioned in a lower vertical position very close to the worktable and in some cases also lower than the worktable; however, such machines still have some problems:

firstly, when the upright column on the machine tool moves, lubricating liquid is generally required to be added, so that the moving stability of the upright column is ensured, the abrasion caused by long-term friction is avoided, the machine tool is prevented from being influenced, and the time and labor are wasted and the working efficiency is influenced by manually adding the lubricating liquid;

secondly, the upright post is inclined when moving due to the fact that the lubricating liquid is not uniformly added, a large amount of lubricating liquid is wasted generally in order to ensure that all parts are lubricated, most of the lubricating liquid is redundant and is wasted generally, and the cost is increased;

third, the lubricating fluid divide into the multiple, most lubricating fluid can be according to the temperature of difference, environment change nature such as humidity (for example general lubricating oil and the breakdown of emulsion ability of water-wind contact reduce), the lubricating fluid of different models all has the optimal choice under different environment, and select the lubricating fluid of different lubrication degree to guarantee lathe moving mechanism's steady operation on the live time of lathe, it is comparatively troublesome when adding different lubricating fluids now, can't realize the switching use to lubricating fluid automatically, can't guarantee the steady operation under different service environment and the operating mode.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a moving mechanism of a numerical control machine tool and a lubricating method thereof, which are used for solving the problems in the background technology.

The technical scheme of the invention is realized as follows: the utility model provides a moving mechanism of digit control machine tool which characterized in that: the device comprises a workbench and a base which are fixed on the ground, wherein an upright post which can slide along the base is arranged on the base, and the upright post is arranged on the base in a sliding manner through a sliding mechanism; the tool head is arranged at one end of the sliding seat, which is far away from the sliding block, a connecting beam is arranged at the side edge of the base, the connecting beam is connected with the bottoms of the two stand columns, and the two stand columns are connected through at least one connecting beam; and the base is also provided with a lubricating mechanism for adding lubricating liquid to the sliding mechanism.

Preferably: the sliding mechanism comprises a sliding block fixed at the lower end of the stand column, the upper end of the base is provided with a sliding groove matched with the sliding block and used for inserting the sliding block, the output end of the lubricating mechanism is located in the sliding groove and faces the sliding block, and the lubricating mechanism is used for spraying lubricating liquid to the sliding block.

Preferably: lubricated mechanism is including setting up first batch oil tank, the one end of storing lubricated liquid in base one end connect in first batch oil tank output on first batch oil tank pipe and set up on the wall of sliding tray both sides and with the conveyer pipe of first batch oil tank pipe intercommunication, the atomizer is installed towards the one end of slider to the conveyer pipe, install oil pump, flowmeter and diverter valve on the first batch oil tank pipe.

Preferably: a second oil storage tank is also arranged on one side of the first oil path pipe and is connected with the switching valve through a second oil path pipe, the switching valve comprises a valve body, a first oil inlet and an oil outlet are arranged on the valve body, the first oil inlet and the oil outlet are both communicated with a first oil path pipe, the valve body is also provided with a second oil inlet, a first valve seat, a second valve seat, a first inner cavity and a first channel, the outlet end of the first valve seat and the outlet of the second valve seat are both communicated with the first inner cavity, the first valve seat and the second valve seat are coaxial and oppositely arranged in the central axis position of the first inner cavity, the first valve seat is positioned right above the second valve seat and arranged at intervals, the first channel is communicated with the first oil inlet and the input end of the second valve seat, the second oil inlet is communicated with the input end of the first valve seat, and the first inner cavity is communicated with the water outlet; the valve body is further provided with a first electromagnetic control mechanism used for opening and closing the first valve seat and the second valve seat at the lower end of the second valve seat, the first electromagnetic control mechanism comprises an electromagnetic coil, an iron core connected to the electromagnetic coil, a piston arranged at the upper end of the iron core and a compression spring arranged between the iron core and the piston, one end, far away from the compression spring, of the piston is provided with a piston sleeve, the piston sleeve is located between the first valve seat and the second valve seat, the piston penetrates through the second valve seat and is connected with the piston sleeve, and the compression spring can upwards push the piston sleeve to enable the piston sleeve to close the first valve seat.

Preferably: the valve body is also provided with a third oil inlet, a third valve seat, a fourth valve seat, a second inner cavity and a second channel, the outlet end of the second valve seat and the outlet of the third valve seat are communicated with the second inner cavity, the third valve seat and the fourth valve seat are coaxially and oppositely arranged in the central axis position of the second inner cavity, the third valve seat is positioned right above the fourth valve seat and arranged at intervals, two ends of the second channel are respectively communicated with the input ends of the first inner cavity and the fourth valve seat, and the third oil inlet is communicated with the input end of the third valve seat; and a second electromagnetic control mechanism for opening and closing the third valve seat and the fourth valve seat is also arranged at the lower end of the fourth valve seat on the valve body, and the second electromagnetic control mechanism has the same structure as the first electromagnetic control mechanism.

Preferably: lubricating mechanism still includes air compressor machine and air circuit pipe, the one end of air circuit pipe is connected with the output of air compressor machine, and the other end and the conveyer pipe intercommunication of this air circuit pipe, the input and the outside air intercommunication of air compressor machine, install the pressure regulating proportional valve on the air circuit pipe.

Preferably: a plurality of oil storage unit has been seted up to the sliding tray bottom, and each oil storage unit includes first oil storage tank and second oil storage tank, first oil storage tank and second oil storage tank are circular cell body, first oil storage tank and second oil storage tank set up with one heart, and the diameter of first oil storage tank is greater than the second oil storage tank.

Preferably: first flow groove and second flow groove have still been seted up to the sliding tray tank bottom, first flow groove is located between first oil storage tank and the second oil storage tank, first flow groove is connected first oil storage tank and second oil storage tank, the one end and the first oil storage tank intercommunication of second flow groove, the other end outwards extend to the sliding tray inside wall.

Preferably: the utility model discloses a locking device, including base, mounting block, locking bolt, stopper, stop gear, installation piece, locking bolt, stop gear, limiting block, the both sides of base still are provided with stop gear, stop gear is including installation piece, locking bolt and stopper, the installation piece is fixed in the tie-beam bottom, set up on the installation piece and supply locking bolt to pass and have with locking bolt external screw thread assorted internal thread screw hole, the stopper is fixed in the one end of locking bolt towards the base, set up on the base lateral wall and supply stopper male spacing.

A method of lubricating a moving mechanism of a machine tool, which is applied to a moving mechanism of a numerical control machine tool as described above, comprising the steps of:

preparation before oil supply of S1: determining the type of the delivered lubricating liquid in a first oil storage tank, ensuring the normal work of an oil pump and an air compressor, observing the storage capacity of the lubricating liquid in each oil storage tank, and preparing for oil supply;

s2 atomization lubrication: the oil pump sends the lubricating liquid in the first oil storage tank into the oil path pipe, the air compressor compresses the external air into the air path pipe, the lubricating liquid and the air enter the conveying pipe to be mixed together, and the lubricating liquid and the air are atomized and sprayed onto the sliding block from the atomizing nozzle to lubricate the contact surface of the sliding block and the side part of the sliding chute;

s3 bottom lubrication: the atomized lubricating liquid is contacted with the sliding block, condensed into oil drops on the side wall of the sliding block, and flows downwards to permeate to the bottom of the sliding block to lubricate the bottom of the sliding block;

s4 residual liquid lubrication: after sufficient lubrication, redundant lubricating liquid enters each flow groove and is collected to the first oil storage groove and the second oil storage groove, and the sliding block is in contact with the upper surface of each oil storage groove in the moving process to bring the lubricating liquid in each oil storage groove to play a lubricating role;

s5 switching of lubricating liquid: when the electromagnetic coil is electrified, the iron core adsorption piston downwards extrudes the second spring, the first oil inlet is closed, the second oil inlet is opened, and lubricating liquid in the second oil storage tank enters the conveying pipe to supply oil.

The invention has the beneficial effects that: (1) the lubricating mechanism is arranged on the sliding mechanism, and the lubricating liquid is automatically driven by the oil pump to be sprayed out from the nozzle for lubrication, so that the use is convenient, manual addition is not needed, the labor is saved, and the working efficiency is improved; simultaneously through the setting of atomizer and gas mixture transport, carry out the atomizing with lubricated liquid and spray, spray more evenly, guarantee sliding mechanism's steady slip, lubricated liquid make full use of is extravagant few, practices thrift the cost.

(2) Through the setting of diverter valve, utilize the automatic switch-over of oil circuit on the diverter valve control fuel feed pipe, switch the supply to the use of different lubricated liquid, be applicable to different service environment, guarantee the stable use of lubricated liquid under various operating modes, guarantee the stability of lathe work, convenient to use, application range is wide.

(3) Through the arrangement of the oil storage tank, redundant lubricating liquid is stored during lubrication, and when the upright post moves, the relatively dry upright post automatically adheres to the lubricating liquid in the oil storage tank to automatically move for lubrication, so that the upright post is convenient to use, saves the use of the lubricating oil, reduces the frequency of adding the lubricating liquid, saves the cost and has stable work; the arrangement of a plurality of spread grooves can introduce unnecessary lubricated liquid in the gap into the oil storage tank, guarantees the even of lubricated liquid in the oil storage tank simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of an embodiment of the present invention;

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

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic structural view of a sliding mechanism according to an embodiment of the present invention;

FIG. 5 is an enlarged schematic view of a portion a of FIG. 4;

FIG. 6 is a schematic view of a piping connection according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a switching valve according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of the distribution of oil storage units in an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of an oil storage unit according to an embodiment of the present invention;

FIG. 10 is an enlarged view of the point b in FIG. 4;

the examples in the figure are: 1. a workbench 2, a base 3, a column 31, a beam 32, a slider 33, a slider 34, a tool head 35, a connecting beam 4, a sliding mechanism 41, a sliding block 42, a sliding groove 5, a lubricating mechanism 51, a first oil storage tank 52, a first oil path pipe 53, a delivery pipe 531, an atomizing nozzle 54, an air compressor 541, an air path pipe 542, a pressure regulating proportional valve 55, an oil pump 56, a flowmeter 57, a switching valve 571, a valve body 572, a first oil inlet, 573, an oil outlet 574, a second oil inlet, 575, a third oil inlet, 576a, a first valve seat, 576b, a second valve seat, 576c, a third valve seat, 576d, a fourth valve seat, 577a, a first inner cavity, 577b, a second inner cavity, 578a, a first channel, 578b, a second channel, 579, a first electromagnetic control mechanism, 5791, an electromagnetic coil 5792, an iron core, 5793. the piston comprises a piston body 5794, a compression spring, 5795, a piston sleeve 58, a second oil storage tank 59, a second oil path pipe 6, an oil storage unit 61, a first oil storage groove 62, a second oil storage groove 63, a first flow groove 64, a second flow groove 7, a limiting mechanism 71, an installation block 72, a locking bolt 73, a limiting block 74, a threaded hole 75 and a limiting groove.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 5, the present invention discloses a moving mechanism of a numerical control machine tool, in a specific embodiment of the present invention, the moving mechanism comprises a workbench 1 fixed on the ground and a base 2, wherein the base 2 is provided with a column 3 capable of sliding along the base, and the column 3 is slidably arranged on the base 2 through a sliding mechanism 4; the two upright posts 3 are welded and integrally formed through a cross beam 31, the inner side walls of the two upright posts 3 which are opposite to each other are provided with a sliding block 32 which can vertically slide on the inner side walls of the upright posts 3, the two upright posts 3 in the embodiment comprise a driving mechanism for controlling the sliding block to move up and down and a driving mechanism for controlling the upright posts to move on a base (the driving mechanism is a transmission technology and therefore is not described in detail herein), one end of the sliding block 32 is fixed with a sliding seat 33, the sliding seat 33 can axially move relative to the sliding block 32 in a direction which is perpendicular to the axis of the base 2, one end of the sliding seat 33, which is far away from the sliding block 32, is provided with a tool head 34, the side edge of the base 2 is provided with a connecting beam 35, the connecting beam 35 connects the bottoms of the; the base 2 is also provided with a lubricating mechanism 5 for adding lubricating liquid to the sliding mechanism 4; the sliding mechanism 4 comprises a sliding block 41 fixed at the lower end of the upright post 3, the upper end of the base 2 is provided with a sliding groove 42 matched with the sliding block 41 and used for inserting the sliding block 41, the sliding block slides and rubs in the sliding groove, the upright post slides relative to the base, the output end of the lubricating mechanism 5 is positioned in the sliding groove 42 and faces the sliding block 41, and the lubricating mechanism 5 is used for spraying lubricating liquid to the sliding block 41.

In this embodiment, lubricated mechanism 5 is including setting up first batch oil tank 51, the one end of storing lubricated liquid in base 2 one end connect in first batch oil tank 51 output on the first batch oil tank 52 and set up on sliding tray 42 both sides wall and with the conveyer pipe 53 of first batch oil tank 52 intercommunication, atomizer 531 is installed towards the one end of slider 32 to conveyer pipe 53, install oil pump 55, flowmeter 56 and diverter valve 57 on the first batch oil tank 52, in the lubricated liquid in the oil pump drive first batch oil tank enters into the conveyer pipe through first batch oil tank, atomizes through atomizer and sprays on slide mechanism, reaches lubricated purpose, and flowmeter statistics output flow.

As shown in fig. 6 and 7, in the present embodiment, a second oil storage tank 58 is further disposed on one side of the first oil path pipe 52, the second oil storage tank 58 is connected to the switching valve 57 through a second oil path pipe 59, the switching valve 57 includes a valve body 571, a first oil inlet 572 and an oil outlet 573 are disposed on the valve body 571, the first oil inlet 572 and the oil outlet 573 are both communicated with the first oil path pipe 52, the valve body 571 is further provided with a second oil inlet 574, a first valve seat 576a, a second valve seat 576b, a first inner cavity 577a and a first channel 578a, an outlet end of the first valve seat 576a and an outlet of the second valve seat 576b are both communicated with the first inner cavity 577a, the first valve seat 576a and the second valve seat 576b are disposed coaxially and oppositely at a central axis position of the first inner cavity 577a, the first valve seat 576a is disposed directly above the second valve seat 576b and spaced from each other, the first passage 578a communicates with the first oil inlet 572 and the input end of the second valve seat 576b, the second oil inlet 574 communicates with the input end of the first valve seat 576a, and the first internal cavity 577a communicates with the water outlet; the valve body 571 is further provided with a first electromagnetic control mechanism 579 at the lower end of the second valve seat 576b for opening and closing the first valve seat 576a and the second valve seat 576b, the first electromagnetic control mechanism 579 includes a solenoid 5791, an iron core 5792 attached to the solenoid 5791, a plunger 5793 provided at an upper end of the iron core 5792, and a compression spring 5794 provided between the iron core 5792 and the plunger 5793, the end of the piston 5793 remote from the compression spring 5794 is provided with a piston bush 5795, the piston bush 5795 is located between the first valve seat 576a and the second valve seat 576b, the piston 5793 is connected to the piston bush 5795 through the second valve seat 576b, when the solenoid is de-energized, the compression spring 5794 pushes the piston sleeve 5795 upward causing the piston sleeve 5795 to close the first valve seat 576a, in this embodiment, the piston is a ferrous piston, and the second oil line pipe is also provided with an oil pump (not shown in the figure) for providing power.

The working principle of the switching valve is as follows: when the electromagnetic coil is not electrified, the piston is pushed upwards under the action of a compression spring between the piston and the iron core, the piston cap is pushed against the outlet side of the first valve seat, the lower end of the piston cap is spaced from the second valve seat, namely, the piston cap closes the first valve seat and opens the second valve seat, lubricating liquid enters from the first oil inlet and enters into the first inner cavity through the first channel and the second valve seat, the first inner cavity is communicated with the oil outlet, and the lubricating liquid is output from the oil outlet and enters into the conveying pipe; when the lubricating liquid needs to be replaced, the electromagnetic coil is electrified, the iron core generates magnetic force, the piston is attracted downwards by the iron core to drive the piston cap to move downwards, the first valve seat is opened and simultaneously supports against the closed second valve seat downwards, the first oil inlet stops supplying oil, the lubricating liquid of another model enters the first inner cavity from the second oil inlet through the first valve seat, and then is output from the oil outlet to complete switching supply of the lubricating liquid.

In this embodiment, the valve body 571 is further provided with a third oil inlet 575, a third valve seat 576c, a fourth valve seat 576d, a second inner cavity 577b and a second passage 578b, an outlet end of the second valve seat 576b and an outlet of the third valve seat 576c are both communicated with the second inner cavity 577b, the third valve seat 576c and the fourth valve seat 576d are coaxially and oppositely arranged in the central axis of the second inner cavity 577b, the third valve seat 576c is located right above the fourth valve seat 576d and spaced from each other, two ends of the second passage 578b are respectively communicated with input ends of the first inner cavity 577a and the fourth valve seat 576d, and the third oil inlet 575 is communicated with an input end of the third valve seat 576 c; the valve body 571 is further provided with a second electromagnetic control mechanism at the lower end of the fourth valve seat 576d for opening and closing the third valve seat 576c and the fourth valve seat 576d, the second electromagnetic control mechanism has the same structure as the first electromagnetic control mechanism 579, the second electromagnetic control mechanism has the same working principle as the first electromagnetic control mechanism, switching between the third oil inlet and the first oil inlet and the second oil inlet is completed by opening and closing the third valve seat and the fourth valve seat, the third oil inlet can supply lubricating liquid of a third type, and can also be used for supplying various substances such as cooling liquid and admixture to assist the machine tool in working, the switching is realized by setting three oil inlets, and meanwhile, in other embodiments, the above-mentioned manner can be adopted to set a plurality of oil inlets, so as to facilitate switching of various liquids.

In this embodiment, lubricating mechanism 5 still includes air compressor machine 54 and air circuit pipe 541, air circuit pipe 541's one end is connected with air compressor machine 54's output, and this air circuit pipe 541's the other end and conveyer pipe 53 intercommunication, air compressor machine 54's input and outside air intercommunication, install pressure regulating proportional valve 542 on the air circuit pipe 541, the air compressor machine drives outside air and enters into conveyer pipe and lubricated liquid through the air circuit pipe and mixes, promotes lubricated liquid atomizing, improves the injection effect, and pressure regulating proportional valve is used for the transport flow of regulation control air circuit pipe.

In addition, on the premise of not influencing the lubricating work, in order to achieve a certain cooling effect, cooling equipment can be arranged on the conveying pipe to cool the lubricating liquid and the gas, or the input lubricating liquid and the input gas are ensured to be in a low-temperature state; the low-temperature lubricating liquid is atomized and contacted with the sliding mechanism, so that a certain cooling effect can be ensured outside lubrication.

Example 2

As shown in fig. 8 and 9, the present embodiment is different from the above-described embodiments in that: in this embodiment, a plurality of oil storage units 6 are uniformly disposed at the bottom of the sliding groove 42, each oil storage unit 6 includes a first oil storage groove 61 and a second oil storage groove 62, the first oil storage groove 61 and the second oil storage groove 62 are both circular groove bodies, the first oil storage groove 61 and the second oil storage groove 62 are concentrically disposed, and the diameter of the first oil storage groove 61 is greater than that of the second oil storage groove 62; first flow groove 63 and second flow groove 64 have still been seted up to sliding tray 42 tank bottom, first flow groove 63 is located between first oil storage tank 61 and the second oil storage tank 62, first flow groove winds second oil storage tank circumference evenly sets up, first flow groove 63 is connected first oil storage tank 61 and second oil storage tank 62, the one end and the first oil storage tank 61 intercommunication, the other end of second flow groove 64 outwards extend to sliding tray 42 inside wall.

As shown in fig. 10, in this embodiment, the two sides of the base 2 are further provided with a limiting mechanism 7, the limiting mechanism 7 includes an installation block 71, a locking bolt 72 and a limiting block 73, the installation block 71 is fixed at the bottom of the connecting beam 35, a threaded hole 74 for the locking bolt 72 to pass through and having an internal thread matching with the external thread of the locking bolt 72 is formed in the installation block 71, the limiting block 73 is fixed at one end of the locking bolt 72 facing the base 2, a limiting groove 75 for the limiting block 73 to be inserted is formed in the side wall of the base 2, and when the installation is performed, the locking bolt is rotated to be screwed with the threaded hole in a matching manner, so that the limiting blocks at the two sides of the base are inserted into the limiting groove to abut against the base from the two sides, thereby preventing the upright from lateral movement when sliding, ensuring.

In addition, the present embodiment also provides a lubrication method, including the steps of:

preparation before oil supply of S1: determining the type of the delivered lubricating liquid in a first oil storage tank, ensuring the normal work of an oil pump and an air compressor, observing the storage capacity of the lubricating liquid in each oil storage tank, and preparing for oil supply;

s2 atomization lubrication: the oil pump sends the lubricating liquid in the first oil storage tank into the oil path pipe, the air compressor compresses the external air into the air path pipe, the lubricating liquid and the air enter the conveying pipe to be mixed together, and the lubricating liquid and the air are atomized and sprayed onto the sliding block from the atomizing nozzle to lubricate the contact surface of the sliding block and the side part of the sliding chute;

s3 bottom lubrication: the atomized lubricating liquid is contacted with the sliding block, condensed into oil drops on the side wall of the sliding block, and flows downwards to permeate to the bottom of the sliding block to lubricate the bottom of the sliding block;

s4 residual liquid lubrication: after sufficient lubrication, redundant lubricating liquid enters each flow groove and is collected to the first oil storage groove and the second oil storage groove, and the sliding block is in contact with the upper surface of each oil storage groove in the moving process to bring the lubricating liquid in each oil storage groove to play a lubricating role;

s5 switching of lubricating liquid: when the electromagnetic coil is electrified, the iron core adsorption piston downwards extrudes the second spring, the first oil inlet is closed, the second oil inlet is opened, and lubricating liquid in the second oil storage tank enters the conveying pipe to supply oil.

The invention has the beneficial effects that:

(1) the lubricating mechanism is arranged on the sliding mechanism, and the lubricating liquid is automatically driven by the oil pump to be sprayed out from the nozzle for lubrication, so that the use is convenient, manual addition is not needed, the labor is saved, and the working efficiency is improved; simultaneously through the setting of atomizer and gas mixture transport, carry out the atomizing with lubricated liquid and spray, spray more evenly, guarantee sliding mechanism's steady slip, lubricated liquid make full use of is extravagant few, practices thrift the cost.

(2) Through the setting of diverter valve, utilize the automatic switch-over of oil circuit on the diverter valve control fuel feed pipe, switch the supply to the use of different lubricated liquid, be applicable to different service environment, guarantee the stable use of lubricated liquid under various operating modes, guarantee the stability of lathe work, convenient to use, application range is wide.

(3) Through the arrangement of the oil storage tank, redundant lubricating liquid is stored during lubrication, and when the upright post moves, the relatively dry upright post automatically adheres to the lubricating liquid in the oil storage tank to automatically move for lubrication, so that the upright post is convenient to use, saves the use of the lubricating oil, reduces the frequency of adding the lubricating liquid, saves the cost and has stable work; the arrangement of a plurality of spread grooves can introduce unnecessary lubricated liquid in the gap into the oil storage tank, guarantees the even of lubricated liquid in the oil storage tank simultaneously.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides a moving mechanism of digit control machine tool which characterized in that: the device comprises a workbench and a base which are fixed on the ground, wherein an upright post which can slide along the base is arranged on the base, and the upright post is arranged on the base in a sliding manner through a sliding mechanism; the tool head is arranged at one end of the sliding seat, which is far away from the sliding block, a connecting beam is arranged at the side edge of the base, the connecting beam is connected with the bottoms of the two stand columns, and the two stand columns are connected through at least one connecting beam; and the base is also provided with a lubricating mechanism for adding lubricating liquid to the sliding mechanism.

2. The moving mechanism of a numerical control machine tool according to claim 1, characterized in that: the sliding mechanism comprises a sliding block fixed at the lower end of the stand column, the upper end of the base is provided with a sliding groove matched with the sliding block and used for inserting the sliding block, the output end of the lubricating mechanism is located in the sliding groove and faces the sliding block, and the lubricating mechanism is used for spraying lubricating liquid to the sliding block.

3. The moving mechanism of a numerical control machine tool according to claim 2, characterized in that: lubricated mechanism is including setting up first batch oil tank, the one end of storing lubricated liquid in base one end connect in first batch oil tank output on first batch oil tank pipe and set up on the wall of sliding tray both sides and with the conveyer pipe of first batch oil tank pipe intercommunication, the atomizer is installed towards the one end of slider to the conveyer pipe, install oil pump, flowmeter and diverter valve on the first batch oil tank pipe.

4. The moving mechanism of a numerical control machine tool according to claim 3, characterized in that: a second oil storage tank is also arranged on one side of the first oil path pipe and is connected with the switching valve through a second oil path pipe, the switching valve comprises a valve body, a first oil inlet and an oil outlet are arranged on the valve body, the first oil inlet and the oil outlet are both communicated with a first oil path pipe, the valve body is also provided with a second oil inlet, a first valve seat, a second valve seat, a first inner cavity and a first channel, the outlet end of the first valve seat and the outlet of the second valve seat are both communicated with the first inner cavity, the first valve seat and the second valve seat are coaxial and oppositely arranged in the central axis position of the first inner cavity, the first valve seat is positioned right above the second valve seat and arranged at intervals, the first channel is communicated with the first oil inlet and the input end of the second valve seat, the second oil inlet is communicated with the input end of the first valve seat, and the first inner cavity is communicated with the water outlet; the valve body is further provided with a first electromagnetic control mechanism used for opening and closing the first valve seat and the second valve seat at the lower end of the second valve seat, the first electromagnetic control mechanism comprises an electromagnetic coil, an iron core connected to the electromagnetic coil, a piston arranged at the upper end of the iron core and a compression spring arranged between the iron core and the piston, one end, far away from the compression spring, of the piston is provided with a piston sleeve, the piston sleeve is located between the first valve seat and the second valve seat, the piston penetrates through the second valve seat and is connected with the piston sleeve, and the compression spring can upwards push the piston sleeve to enable the piston sleeve to close the first valve seat.

5. The moving mechanism of a numerical control machine tool according to claim 4, characterized in that: the valve body is also provided with a third oil inlet, a third valve seat, a fourth valve seat, a second inner cavity and a second channel, the outlet end of the second valve seat and the outlet of the third valve seat are communicated with the second inner cavity, the third valve seat and the fourth valve seat are coaxially and oppositely arranged in the central axis position of the second inner cavity, the third valve seat is positioned right above the fourth valve seat and arranged at intervals, two ends of the second channel are respectively communicated with the input ends of the first inner cavity and the fourth valve seat, and the third oil inlet is communicated with the input end of the third valve seat; and a second electromagnetic control mechanism for opening and closing the third valve seat and the fourth valve seat is also arranged at the lower end of the fourth valve seat on the valve body, and the second electromagnetic control mechanism has the same structure as the first electromagnetic control mechanism.

6. The moving mechanism of a numerical control machine tool according to claim 3, characterized in that: lubricating mechanism still includes air compressor machine and air circuit pipe, the one end of air circuit pipe is connected with the output of air compressor machine, and the other end and the conveyer pipe intercommunication of this air circuit pipe, the input and the outside air intercommunication of air compressor machine, install the pressure regulating proportional valve on the air circuit pipe.

7. The moving mechanism of a numerical control machine according to any one of claims 2 to 6, characterized in that: a plurality of oil storage unit has been seted up to the sliding tray bottom, and each oil storage unit includes first oil storage tank and second oil storage tank, first oil storage tank and second oil storage tank are circular cell body, first oil storage tank and second oil storage tank set up with one heart, and the diameter of first oil storage tank is greater than the second oil storage tank.

8. The moving mechanism of a numerical control machine tool according to claim 7, characterized in that: first flow groove and second flow groove have still been seted up to the sliding tray tank bottom, first flow groove is located between first oil storage tank and the second oil storage tank, first flow groove is connected first oil storage tank and second oil storage tank, the one end and the first oil storage tank intercommunication of second flow groove, the other end outwards extend to the sliding tray inside wall.

9. The moving mechanism of a numerical control machine tool according to claim 8, characterized in that: the utility model discloses a locking device, including base, mounting block, locking bolt, stopper, stop gear, installation piece, locking bolt, stop gear, limiting block, the both sides of base still are provided with stop gear, stop gear is including installation piece, locking bolt and stopper, the installation piece is fixed in the tie-beam bottom, set up on the installation piece and supply locking bolt to pass and have with locking bolt external screw thread assorted internal thread screw hole, the stopper is fixed in the one end of locking bolt towards the base, set up on the base lateral wall and supply stopper male spacing.

10. A method of lubricating a moving mechanism of a machine tool, which is applied to a moving mechanism of a numerical control machine tool according to claim 1, characterized by comprising the steps of:

preparation before oil supply of S1: determining the type of the delivered lubricating liquid in a first oil storage tank, ensuring the normal work of an oil pump and an air compressor, observing the storage capacity of the lubricating liquid in each oil storage tank, and preparing for oil supply;

s2 atomization lubrication: the oil pump sends the lubricating liquid in the first oil storage tank into the oil path pipe, the air compressor compresses the external air into the air path pipe, the lubricating liquid and the air enter the conveying pipe to be mixed together, and the lubricating liquid and the air are atomized and sprayed onto the sliding block from the atomizing nozzle to lubricate the contact surface of the sliding block and the side part of the sliding chute;

s3 bottom lubrication: the atomized lubricating liquid is contacted with the sliding block, condensed into oil drops on the side wall of the sliding block, and flows downwards to permeate to the bottom of the sliding block to lubricate the bottom of the sliding block;

s4 residual liquid lubrication: after sufficient lubrication, redundant lubricating liquid enters each flow groove and is collected to the first oil storage groove and the second oil storage groove, and the sliding block is in contact with the upper surface of each oil storage groove in the moving process to bring the lubricating liquid in each oil storage groove to play a lubricating role;

s5 switching of lubricating liquid: when the electromagnetic coil is electrified, the iron core adsorption piston downwards extrudes the second spring, the first oil inlet is closed, the second oil inlet is opened, and lubricating liquid in the second oil storage tank enters the conveying pipe to supply oil.

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