CN112059641B

CN112059641B - Numerically-controlled machine tool capable of lubricating linear slide rail

Info

Publication number: CN112059641B
Application number: CN202010777136.9A
Authority: CN
Inventors: 张朕福; 胡执德
Original assignee: Yunnan Jinrun Numerical Control Manufacturing Co ltd
Current assignee: YUNNAN JINRUN NUMERICAL CONTROL MANUFACTURING Co.,Ltd.
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-09-10
Anticipated expiration: 2040-08-05
Also published as: CN112059641A

Abstract

The invention relates to the field of accessories of numerical control machine tools, in particular to a numerical control machine tool capable of lubricating a linear sliding rail, which comprises a sliding rail body, a sliding block, a lubricating structure, a first guide structure, a pressure relief structure, a cleaning structure and a second guide structure, wherein the sliding block is arranged on the sliding rail body; the side wall of the sliding block is provided with a lubricating structure for lubricating and preliminarily cleaning ash of the screw rod, the lubricating structure is internally provided with a pressure relief structure, so that when the screw rod slides between the driving sliding block and the sliding rail body, the lubricating structure automatically preliminarily cleans ash and paints lubricating oil on the screw rod, and the pressure relief structure is matched for use, so that the laminating effect between the lubricating structure and the screw rod is better, and the screw rod is conveniently and quickly lubricated; the tip of clearance structure passes the second guide structure who is used for leading the clearance structure on the slide rail body, is convenient for through dust and sweeps on the clearance structure negative pressure vacuum adsorption lead screw, and setting up of second guide structure makes the clearance structure transmission more stable, and then makes the deashing effect of lead screw better.

Description

Numerically-controlled machine tool capable of lubricating linear slide rail

Technical Field

The invention relates to the field of accessories of numerical control machine tools, in particular to a numerical control machine tool capable of lubricating a linear slide rail.

Background

The numerical control machine tool is a digital control machine tool for short, and 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. The numerical control device sends various control signals through operation processing to control the action of the machine tool, parts are automatically machined according to the shape and the size required by a drawing, and a transmission assembly in the numerical control machine tool is mostly a screw rod to drive a sliding block to slide in the sliding rail.

However, when the lead screw in traditional digit control machine tool drives the slider and slides in the inside of slide rail, be not convenient for carry out the deashing at automatic the lead screw to the lead screw when lead screw drive slider slides in the inside of slide rail, need manual daub lubricating oil to the lead screw simultaneously, the flexible operation performance is poor, and slides between slider and the slide rail, makes the wearing and tearing speed piece between slider and the slide rail, can produce great lateral pressure to the lead screw after the slider wearing and tearing, influences the driven stability of lead screw.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a numerical control machine tool capable of lubricating a linear sliding rail.

The technical scheme adopted by the invention for solving the technical problems is as follows: a numerical control machine tool capable of lubricating a linear sliding rail comprises a sliding rail body, a sliding block, a lubricating structure, a first guide structure, a pressure relief structure, a cleaning structure and a second guide structure; the slide block for transmission is arranged in the slide rail body for unidirectional limiting and guiding, and the slide block is provided with the first guiding structure which is in rolling connection with the slide rail body; the side wall of the sliding block is provided with a lubricating structure which is connected with the sliding rail body in a sliding manner and is used for lubricating a screw rod on the sliding block and primarily cleaning ash, and the inside of the lubricating structure is provided with a pressure relief structure for enhancing the attaching degree of the lubricating structure and the screw rod; lubricating structure's internal connection has and is used for inhaling the ash through the negative pressure vacuum and remove dust clearance structure, one of them lateral wall in the inside of slide rail body is equipped with a plurality of be used for right clearance structure leads spacingly second guide structure, second guide structure with can dismantle the connection between the slide rail body.

Specifically, the first guide structure comprises a first guide wheel, a guide shaft, eight guide frames and a drive rod, one end of the slide block embedded into the slide rail body is of an I-shaped structure, two ends of a section of a cavity in the slide rail body, which is perpendicular to the trend of the slide rail body, are isosceles trapezoids, eight guide frames are distributed at two ends of the slide block in a rectangular array mode, four guide frames in each group are arranged in a pairwise symmetry mode relative to the slide block, the driving rod is connected with the guide frame and the sliding block in a penetrating way, the driving rod is rotationally connected with the guide frame, the driving rod is in threaded connection with the sliding block, the section of the guide frame along the direction vertical to the driving rod is of a U-shaped structure, the side wall of the guide frame is provided with a guide shaft which is rotatably connected, and the guide shaft is provided with a first guide wheel which is of a circular truncated cone structure and used for guiding the sliding block.

Specifically, the lubricating structure comprises a storage sleeve, cleaning teeth, a thread groove, a sealing plug, a flow guide hole, a transmission sleeve, a fiber sponge block and a spring plate, the storage sleeve is fixed on the side wall of the sliding block, the flow guide hole which extends into a containing cavity of the storage sleeve and is used for storing lubricating oil penetrates through the side wall of the storage sleeve, the side wall of the storage sleeve is in threaded connection with the sealing plug used for sealing the flow guide hole, the transmission sleeve in sliding connection is arranged inside the storage sleeve, a plurality of cleaning teeth in a semi-annular structure are arranged at the bottom end of the transmission sleeve, the end part of the wavy spring plate with the cross section in a structure in the shape of a Chinese character ji is fixed on the transmission sleeve, the end part of the spring plate extends to the fiber sponge block, the fiber sponge block is in sliding connection with the cleaning teeth and the transmission sleeve, and the length of the fiber sponge block is greater than the sum of the thickness of the cleaning teeth and the thickness of the transmission sleeve, the thread groove is formed between every two adjacent cleaning teeth, between every two adjacent cleaning teeth and between every two adjacent storage sleeves.

Specifically, the pressure release structure includes first reset spring and locating lever, the one end of locating lever run through in first reset spring just extends to accomodate the inside of cover, the locating lever with sliding connection between the cover is accomodate, first reset spring's both ends respectively contradict in the transmission cover with accomodate the cover.

Specifically, the clearance structure includes guiding gutter, connecting pipe and trachea, accomodate the inside of cover be equipped with switch on in the thread groove the guiding gutter, the one end of connecting pipe is fixed in accomodate the cover and with the guiding gutter switches on, the other one end of connecting pipe is fixed in on the trachea.

Specifically, the second guide structure comprises a plurality of fixed frames, a sliding frame, a second guide wheel and a second return spring, one side wall of the slide rail body is provided with a plurality of fixing frames which are arranged at equal intervals, the fixing frames are provided with the sliding frames which are connected in a sliding way, the second reset spring is arranged between the sliding frame and the fixed frame, the back ends of the sliding frame and the fixed frame are respectively provided with a second guide wheel which is used for limiting and guiding the air pipe, has an arc-shaped cross section and is of a cylinder structure, the second leading wheel with roll connection between the trachea, the trachea deviates from the one end of connecting pipe contradict in on the mount second leading wheel and S-shaped twine in on the balladeur train the second leading wheel, two the second leading wheel rotate respectively connect in the mount with the balladeur train.

The invention has the beneficial effects that:

(1) according to the numerically-controlled machine tool capable of lubricating the linear sliding rail, the first guide structure in rolling connection with the sliding rail body is arranged on the sliding block, so that sliding friction between the sliding block and the sliding rail body is converted into rolling friction, abrasion between the first guide structure and the sliding rail body is reduced, the sliding between the sliding block and the sliding rail body is smoother, lateral pressure of a lead screw on the sliding block is reduced, and transmission between the sliding block and the sliding rail body is more stable and accurate, namely: firstly, before a sliding block is installed, an inner hexagonal wrench is clamped with the end part of a driving rod, then the driving rods are driven one by one, the driving rod drives a guide frame and the sliding block to slide in a threaded mode, and then eight first guide wheels distributed in a group of rectangular arrays are respectively abutted to the top end and the bottom end of a sliding rail body, then the sliding block is in threaded connection with a screw rod from the end part of the sliding rail body, when the screw rod rotates, the screw rod drives the sliding block to slide in the sliding rail body in a threaded mode, the guide frame on the sliding block is in rotational connection with a guide shaft, and further the first guide wheels are in rolling connection with the sliding rail body, sliding friction force between the sliding block and the sliding rail body is converted into rolling friction force, abrasion of the first guide wheels is reduced, transmission between the sliding block and the sliding rail body is more flexible and stable, meanwhile, two ends of a cavity in the sliding rail body along a cross section perpendicular to the trend of the sliding rail body are isosceles trapezoids, first leading wheel is round platform shape structure, and then make first leading wheel wearing and tearing back, can use the tip block of hexagon socket wrench and actuating lever, then drive actuating lever one by one, slide between actuating lever screw thread drive leading truck and the slider, and then make the first leading wheel of wearing and tearing contradict in the slide rail body, it is more durable to make first leading wheel, increased simultaneously and the slide rail body between the lifting surface area, prevent slider side direction off tracking, the lateral pressure to the lead screw has been reduced, make the transmission effect in the digit control machine tool better.

(2) According to the numerically-controlled machine tool capable of lubricating the linear slide rail, the side wall of the slide block is provided with the lubricating structure for lubricating the screw rod and preliminarily cleaning ash, the pressure relief structure is arranged inside the lubricating structure, so that when the screw rod slides between the driving slide block and the slide rail body, the lubricating structure automatically preliminarily cleans ash and coats lubricating oil on the screw rod, and the lubricating structure is matched with the pressure relief structure for use, so that the bonding effect between the lubricating structure and the screw rod is better, and the screw rod is conveniently and quickly lubricated; namely: unscrewing the sealing plug, injecting lubricating oil into the inside of the flow guide hole by using an injector, wherein the flow guide hole is obliquely arranged, so that the lubricating oil is effectively prevented from flowing back, the lubricating oil can more conveniently enter the inside of the storage sleeve, then screwing the sealing plug, the sealing plug is in threaded connection with the storage sleeve to seal the flow guide hole, when the screw rod is in sliding connection with the slide rail body, the screw rod is in sliding connection with the cleaning teeth, meanwhile, the cleaning teeth primarily scrape waste scraps and dust accumulated objects on the screw rod, then, the fiber sponge block is in threaded contact with the screw rod, so that the lubricating oil in the inside of the storage sleeve is uniformly coated on the screw rod, meanwhile, the waste scraps on the screw rod are more conveniently cleaned, the length of the fiber sponge block is greater than the sum of the thickness of the cleaning teeth and the thickness of the transmission sleeve, the section of the elastic sheet is in a wavy shape with a structure like a Chinese character 'ji', and further along with different rotating speeds of the screw rod, when fibre sponge piece and lead screw contact, the impact force is different, make shell fragment drive fibre sponge piece and the shake of contradicting of lead screw, make shell fragment cooperation lead screw conflict extrusion fibre sponge piece, effectually prevent fibre sponge piece and clearance tooth bonding, and then make smearing effect of lubricating oil better, after the wearing and tearing of clearance tooth, first reset spring extension drive transmission cover promotes clearance tooth and lead screw conflict, and then makes the clearance tooth more durable, setting up of locating lever makes the transmission cover and accomodate the transmission between the cover more stable simultaneously.

(3) According to the numerically-controlled machine tool capable of lubricating the linear slide rail, the lubricating structure is provided with the cleaning structure, the end part of the cleaning structure penetrates through the second guide structure which is arranged on the slide rail body and used for guiding the cleaning structure, so that dust and scraps on the screw rod can be conveniently adsorbed in a negative pressure vacuum mode through the cleaning structure, the second guide structure enables the cleaning structure to be more stably driven, and the dust removing effect of the screw rod is better, namely: the end of the air pipe deviating from the connecting pipe is clamped with the second guide wheel on the fixing frame, then the air pipe is distributed in an S shape from the plurality of second guide wheels on the sliding frame, the end of the air pipe deviating from the connecting pipe penetrates through the sliding rail body and is fixed on the dust collector, when dust is required to be cleaned, the dust collector is opened, the air pipe generates negative pressure, waste chips on the screw rod enter the inside of the dust collector from the diversion groove through the air pipe through the thread groove, the air pipe is matched with the diversion groove and the thread groove, the waste chips on the screw rod are more conveniently cleaned, meanwhile, heat dissipation between the screw rod and the sliding block is facilitated, further, the transmission between the cleaning teeth and the screw rod is more stable, meanwhile, the waste chips on the screw rod are more conveniently separated from the screw rod due to the arrangement of the cleaning teeth, the lubricating oil coating effect on the screw rod is better, further, the mutual promotion effect is achieved, the end of the air pipe deviating from the connecting pipe is abutted against the second guide wheels on the fixing frame, and the second guide wheels on the sliding frame in an S shape, and then when taking in and sliding between cover and the slide rail body, roll between the second leading wheel on trachea and the mount, drive the second leading wheel on the balladeur train simultaneously, make and slide between balladeur train and the mount, through the distance between the second leading wheel on the deformation control mount of second reset spring and the second leading wheel on the balladeur train, and then make the trachea laminate with the second leading wheel all the time, the effectual trachea that prevents influences the slip of slider, the both sides in second leading wheel cross-section are the arc structure, and then make the tracheal spacing effect of second leading wheel pair better.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of an overall structure of a numerically controlled machine tool capable of lubricating a linear slide rail according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of a connection structure of the slider and the lubricating structure shown in FIG. 2;

FIG. 4 is an enlarged view of the portion B shown in FIG. 3;

FIG. 5 is an enlarged view of the portion C shown in FIG. 3;

FIG. 6 is a schematic view of the connection structure of the slider and the first guiding structure shown in FIG. 3;

FIG. 7 is a schematic view of a connection structure of the slider and the guide frame shown in FIG. 6;

fig. 8 is a schematic view of a connection structure of the guide shaft and the guide frame shown in fig. 6.

In the figure: 1. the slide rail body, 2, the slider, 3, lubricating structure, 31, accomodate the cover, 32, the clearance tooth, 33, the thread groove, 34, the sealing plug, 35, the water conservancy diversion hole, 36, the transmission cover, 37, the fibre sponge piece, 38, the shell fragment, 4, first guide structure, 41, first leading wheel, 42, the guiding axle, 43, the leading truck, 44, the actuating lever, 5, the pressure relief structure, 51, first reset spring, 52, the locating lever, 6, the clearance structure, 61, the water conservancy diversion groove, 62, the connecting pipe, 63, the trachea, 7, the second guide structure, 71, the mount, 72, the balladeur train, 73, the second leading wheel, 74, the second reset spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-8, the numerically controlled machine tool capable of lubricating a linear sliding rail according to the present invention includes a sliding rail body 1, a sliding block 2, a lubricating structure 3, a first guiding structure 4, a pressure releasing structure 5, a cleaning structure 6, and a second guiding structure 7; the slide block 2 for transmission is arranged in the slide rail body 1 for unidirectional limiting and guiding, and the first guide structure 4 in rolling connection with the slide rail body 1 is arranged on the slide block 2; the side wall of the sliding block 2 is provided with the lubricating structure 3 which is connected with the sliding rail body 1 in a sliding manner and used for lubricating a screw rod on the sliding block 2 and primarily cleaning ash, and the inside of the lubricating structure 3 is provided with the pressure relief structure 5 used for enhancing the fit degree of the lubricating structure 3 and the screw rod; lubricating structure 3's internal connection has and is used for inhaling the ash dust removal through the negative pressure vacuum clearance structure 6, one of them lateral wall in the inside of slide rail body 1 is equipped with a plurality ofly be used for right clearance structure 6 leads spacingly second guide structure 7, second guide structure 7 with can dismantle the connection between the slide rail body 1.

Specifically, the first guiding structure 4 includes a first guiding wheel 41, a guiding shaft 42, eight guiding frames 43 and a driving rod 44, one end of the slider 2 embedded in the sliding rail body 1 is in an i-shaped structure, two ends of a cross section of the cavity in the sliding rail body 1 along a direction perpendicular to the sliding rail body 1 are in an isosceles trapezoid shape, eight guiding frames 43 are distributed at two ends of the slider 2 in a group of rectangular arrays, each group of four guiding frames 43 is symmetrically arranged with respect to the slider 2 in pairs, the driving rod 44 is connected to the guiding frames 43 and the slider 2 in a penetrating manner, the driving rod 44 is rotatably connected with the guiding frames 43, the driving rod 44 is connected with the slider 2 in a threaded manner, the guiding frames 43 are in a U-shaped structure along a direction perpendicular to the driving rod 44, the guiding shaft 42 is rotatably connected with the side wall of the guiding frames 43, the guide shaft 42 is provided with the first guide wheel 41 of a truncated cone structure for guiding the sliding block 2; be equipped with on the slider 2 with roll connection between the slide rail body 1 first guide structure 4, and then with slider 2 with sliding friction between the slide rail body 1 converts rolling friction into, has reduced first guide structure 4 with when wearing and tearing between the slide rail body 1 make slider 2 with it is more smooth and easy to slide between the slide rail body 1, has reduced the lateral pressure of the lead screw on the slider 2, and then makes slider 2 with the transmission is more stable and accurate between the slide rail body 1, promptly: firstly, before the sliding block 2 is installed, an inner hexagonal wrench is used to be clamped with the end part of the driving rod 44, then the driving rod 44 is driven one by one, the driving rod 44 drives the guide frame 43 to slide with the sliding block 2 through threads, so that eight first guide wheels 41 which are distributed in a group of four rectangular arrays respectively abut against the top end and the bottom end of the sliding rail body 1, then the sliding block 2 is connected with a screw rod through threads from the end part of the sliding rail body 1, when the screw rod rotates, the screw rod drives the sliding block 2 to slide in the sliding rail body 1 through threads, the guide frame 43 on the sliding block 2 is connected with the guide shaft 42 in a rotating manner, so that the first guide wheels 41 are connected with the sliding rail body 1 in a rolling manner, and the sliding friction force between the sliding block 2 and the sliding rail body 1 is converted into the rolling friction force, the abrasion of the first guide wheel 41 is reduced, the transmission between the sliding block 2 and the sliding rail body 1 is more flexible and stable, meanwhile, two ends of the cross section of the cavity inside the sliding rail body 1 perpendicular to the trend of the sliding rail body 1 are isosceles trapezoids, the first guide wheel 41 is of a circular truncated cone-shaped structure, so that after the first guide wheel 41 is abraded, an inner hexagonal wrench can be used to be clamped with the end part of the driving rod 44, then the driving rod 44 is driven one by one, the driving rod 44 drives the guide frame 43 to slide with the sliding block 2 through threads, the abraded first guide wheel 41 is abutted against the sliding rail body 1, the first guide wheel 41 is more durable, the stress area between the first guide wheel and the sliding rail body 1 is increased, the sliding block 2 is prevented from being laterally deviated, and the lateral pressure on a screw rod is reduced, the transmission effect in the numerical control machine tool is better.

Specifically, the lubricating structure 3 includes a storage sleeve 31, cleaning teeth 32, a thread groove 33, a sealing plug 34, a flow guide hole 35, a transmission sleeve 36, a fiber sponge block 37 and a spring piece 38, the storage sleeve 31 is fixed on the side wall of the slider 2, the flow guide hole 35 extending to a containing cavity for storing lubricating oil in the storage sleeve 31 penetrates through the side wall of the storage sleeve 31, the sealing plug 34 for sealing the flow guide hole 35 is connected to the side wall of the storage sleeve 31 through a thread, the transmission sleeve 36 in sliding connection is arranged in the storage sleeve 31, the cleaning teeth 32 in a semi-annular structure are arranged at the bottom end of the transmission sleeve 36, the end portion of the spring piece 38 with a wavy cross section in a shape like a Chinese character 'ji' is fixed on the transmission sleeve 36, the end portion of the spring piece 38 extends to the fiber sponge block 37, and the fiber sponge block 37 and the cleaning teeth 32, The transmission sleeves 36 are connected in a sliding mode, the length of each fiber sponge block 37 is larger than the sum of the thickness of each cleaning tooth 32 and the thickness of each transmission sleeve 36, and the thread grooves 33 are formed between every two adjacent cleaning teeth 32 and between the cleaning teeth 32 and the storage sleeves 31.

Specifically, the pressure relief structure 5 includes a first return spring 51 and a positioning rod 52, one end of the positioning rod 52 penetrates through the first return spring 51 and extends into the receiving sleeve 31, the positioning rod 52 and the receiving sleeve 31 are connected in a sliding manner, and two ends of the first return spring 51 respectively abut against the transmission sleeve 36 and the receiving sleeve 31; the side wall of the sliding block 2 is provided with the lubricating structure 3 for lubricating and preliminarily cleaning ash of the screw rod, the pressure relief structure 5 is arranged inside the lubricating structure 3, so that when the screw rod slides between the sliding block 2 and the sliding rail body 1, the lubricating structure 3 automatically preliminarily cleans ash of the screw rod and applies lubricating oil, and the lubricating structure 3 is matched with the pressure relief structure 5 for use, so that the laminating effect between the lubricating structure 3 and the screw rod is better, and the screw rod is conveniently and quickly lubricated; namely: the sealing plug 34 is unscrewed, then a syringe is used for injecting lubricating oil into the inside of the flow guide hole 35, the flow guide hole 35 is obliquely arranged, so that the lubricating oil is effectively prevented from flowing back, the lubricating oil can more conveniently enter the inside of the storage sleeve 31, then the sealing plug 34 is screwed, the sealing plug 34 is in threaded connection with the storage sleeve 31 for sealing the flow guide hole 35, the screw rod is in threaded connection with the cleaning teeth 32 while driving the sliding block 2 and the sliding rail body 1 to slide, meanwhile, the cleaning teeth 32 primarily scrape scraps and dust deposits on the screw rod, then the fiber sponge block 37 is in threaded contact with the screw rod, so that the lubricating oil in the inside of the storage sleeve 31 is uniformly coated on the screw rod, meanwhile, the scraps on the screw rod are more conveniently cleaned, the length of the fiber sponge block 37 is greater than the sum of the thickness of the cleaning teeth 32 and the thickness of the transmission sleeve 36, the section of the elastic sheet 38 is wavy and is in a structure like a Chinese character 'ji', and further the rotating speed of the screw rod is different, when the fiber sponge block 37 is in contact with the screw rod, the impact force is different, so that the elastic sheet 38 drives the fiber sponge block 37 to collide with the screw rod and shake, so that the elastic sheet 38 is matched with the screw rod to collide and extrude the fiber sponge block 37, the fiber sponge block 37 is effectively prevented from being bonded with the cleaning teeth 32, the smearing effect of lubricating oil is better, after the cleaning teeth 32 are abraded, the first reset spring 51 extends and drives the transmission sleeve 36 to push the cleaning teeth 32 to collide with the screw rod, the cleaning teeth 32 are more durable, and meanwhile, the positioning rod 52 is arranged to enable the transmission sleeve 36 and the storage sleeve 31 to be more stable in transmission.

Specifically, clearance structure 6 includes guiding gutter 61, connecting pipe 62 and trachea 63, the inside of accomodating cover 31 be equipped with switch on in thread groove 33 guiding gutter 61, the one end of connecting pipe 62 is fixed in accomodate cover 31 and with guiding gutter 61 switches on, the other end of connecting pipe 62 is fixed in on the trachea 63.

Specifically, the second guiding structure 7 includes a plurality of fixing frames 71, a carriage 72, a second guiding wheel 73 and a second return spring 74, one side wall of the slide rail body 1 is provided with a plurality of fixed frames 71 which are arranged at equal intervals, the fixed frame 71 is provided with the sliding connected sliding frame 72, the second return spring 74 is arranged between the carriage 72 and the fixed frame 71, the second guide wheels 73 which are used for limiting and guiding the air pipe 63, have arc-shaped cross sections and are of cylinder structures are arranged at the opposite ends of the carriage 72 and the fixed frame 71, the second guide wheel 73 is in rolling connection with the air pipe 63, one end of the air pipe 63, which is away from the connecting pipe 62, abuts against the second guide wheel 73 on the fixed frame 71 and is wound on the second guide wheel 73 on the carriage 72 in an S-shaped manner, and the two second guide wheels 73 are respectively connected to the fixed frame 71 and the carriage 72 in a rotating manner; lubricating structure 3 is equipped with clearance structure 6, just clearance structure 6's tip passes be used for on the slide rail body 1 right clearance structure 6 leads second guide structure 7, and then be convenient for pass through dust and sweeps on the 6 negative pressure vacuum adsorption lead screws of clearance structure, setting up of second guide structure 7 makes clearance structure 6 transmission is more stable, and then makes the deashing effect of lead screw better, promptly: one end of the air pipe 63, which is far away from the connecting pipe 62, is clamped with the second guide wheel 73 on the fixed frame 71, then the air pipe 63 is distributed in an S shape from the plurality of second guide wheels 73 on the carriage 72, so that one end of the air pipe 63, which is far away from the connecting pipe 62, penetrates through the slide rail body 1 and is fixed on a dust collector, when dust removal is needed, the dust collector is opened, the air pipe 63 generates negative pressure, waste scraps on the screw rod pass through the thread groove 33 and enter the dust collector from the flow guide groove 61 through the air pipe 63, the air pipe 63 is matched with the arrangement of the flow guide groove 61 and the thread groove 33, further the waste scraps on the screw rod are more conveniently cleaned, meanwhile, heat dissipation is facilitated between the screw rod and the slide block 2, further, the transmission between the cleaning teeth 32 and the screw rod is more stable, and meanwhile, the arrangement of the cleaning teeth 32 enables the waste scraps on the screw rod to, the effect of smearing the lubricating oil on the lead screw is better, and further the effect of mutual promotion is achieved, one end of the air pipe 63, which is away from the connecting pipe 62, abuts against the second guide wheel 73 on the fixing frame 71, and the second guide wheel 73 on the sliding frame 72 is wound in an S-shaped manner, so that when the accommodating sleeve 31 slides between the sliding rail body 1, the air pipe 63 rolls between the air pipe 63 and the second guide wheel 73 on the fixing frame 71, and simultaneously drives the second guide wheel 73 on the sliding frame 72, so that the sliding frame 72 and the fixing frame 71 slide, the distance between the second guide wheel 73 on the fixing frame 71 and the second guide wheel 73 on the sliding frame 72 is controlled through the deformation of the second return spring 74, so that the air pipe 63 is always attached to the second guide wheel, and the air pipe 63 is effectively prevented from influencing the sliding of the sliding block 2, the two sides of the section of the second guide wheel 73 are arc-shaped structures, so that the limiting effect of the second guide wheel 73 on the air pipe 63 is better.

When the slide rail is used, firstly, before the slide block 2 is installed, an inner hexagonal wrench is clamped with the end part of the driving rod 44, then the driving rod 44 is driven one by one, the driving rod 44 drives the guide frame 43 and the slide block 2 to slide in a threaded manner, so that eight first guide wheels 41 which are distributed in a group of rectangular arrays respectively abut against the top end and the bottom end of the slide rail body 1, then the slide block 2 is connected with the screw rod in a threaded manner from the end part of the slide rail body 1, when the screw rod rotates, the screw rod drives the slide block 2 to slide in the slide rail body 1 in a threaded manner, the guide frame 43 on the slide block 2 is connected with the guide shaft 42 in a rotating manner, so that the first guide wheels 41 are connected with the slide rail body 1 in a rolling manner, the sliding friction force between the slide block 2 and the slide rail body 1 is converted into the rolling friction force, the abrasion of the first guide wheels 41 is reduced, and the transmission between the slide block 2 and the slide rail body 1 is more flexible and stable, meanwhile, two ends of a cavity inside the slide rail body 1 along a cross section perpendicular to the trend of the slide rail body 1 are isosceles trapezoids, the first guide wheel 41 is of a circular truncated cone-shaped structure, and then after the first guide wheel 41 is abraded, an inner hexagonal wrench can be used for being clamped with the end part of the driving rod 44, then the driving rod 44 is driven one by one, the driving rod 44 drives the guide frame 43 and the slide block 2 to slide through threads, so that the abraded first guide wheel 41 is abutted to the slide rail body 1, the first guide wheel 41 is more durable, meanwhile, the stress area between the slide rail body 1 and the slide block 2 is increased, the slide block 2 is prevented from laterally deviating, the lateral pressure on a screw rod is reduced, and the transmission effect in a numerical control machine tool is better; unscrewing the sealing plug 34, injecting lubricating oil into the inside of the flow guide hole 35 by using an injector, wherein the flow guide hole 35 is obliquely arranged, so that the lubricating oil is effectively prevented from flowing back, the lubricating oil can more conveniently enter the inside of the storage sleeve 31, then screwing the sealing plug 34, the sealing plug 34 is in threaded connection with the storage sleeve 31 to seal the flow guide hole 35, when the screw rod thread driving slide block 2 slides relative to the slide rail body 1, the screw rod is in sliding connection with the cleaning teeth 32, the cleaning teeth 32 primarily scrape waste scraps and dust deposits on the screw rod, then the fiber sponge block 37 is in threaded contact with the screw rod, so that the lubricating oil in the inside of the storage sleeve 31 is uniformly coated on the screw rod, meanwhile, the waste scraps on the screw rod are more conveniently cleaned, the length of the fiber sponge block 37 is greater than the sum of the thickness of the cleaning teeth 32 and the thickness of the transmission sleeve 36, and the section of the elastic sheet 38 is in a wavy shape like a structure like a Chinese character 'ji', when the fiber sponge block 37 is contacted with the lead screw along with different rotating speeds of the lead screw, the impact force is different, the elastic sheet 38 drives the fiber sponge block 37 to collide and shake with the lead screw, the elastic sheet 38 is matched with the lead screw to collide and extrude the fiber sponge block 37, the fiber sponge block 37 is effectively prevented from being bonded with the cleaning teeth 32, the coating effect of lubricating oil is better, after the cleaning teeth 32 are abraded, the first reset spring 51 extends to drive the transmission sleeve 36 to push the cleaning teeth 32 to collide with the lead screw, the cleaning teeth 32 are more durable, and meanwhile, the transmission between the transmission sleeve 36 and the storage sleeve 31 is more stable due to the arrangement of the positioning rod 52; the end of the air pipe 63 departing from the connecting pipe 62 is clamped with the second guide wheel 73 on the fixing frame 71, then the air pipe 63 is distributed in an S shape from the plurality of second guide wheels 73 on the sliding frame 72, so that the end of the air pipe 63 departing from the connecting pipe 62 passes through the sliding rail body 1 and is fixed on the dust collector, when dust cleaning is needed, the dust collector is opened, the air pipe 63 generates negative pressure, waste scraps on the screw rod pass through the thread groove 33 and enter the inside of the dust collector from the flow guide groove 61 through the air pipe 63, the air pipe 63 is matched with the flow guide groove 61 and the arrangement of the thread groove 33, so that the waste scraps on the screw rod are more conveniently cleaned, meanwhile, heat dissipation between the screw rod and the sliding block 2 is facilitated, the transmission between the cleaning teeth 32 and the screw rod is more stable, meanwhile, the arrangement of the cleaning teeth 32 enables the waste scraps on the screw rod to be more conveniently separated from the screw rod, the effect of lubricating oil coating on the screw rod is better, and the mutual promotion effect is further achieved, one end of the air pipe 63 departing from the connecting pipe 62 abuts against the second guide wheel 73 on the fixing frame 71 and the second guide wheel 73 wound on the sliding frame 72 in an S shape, and further when the air pipe 63 slides between the accommodating sleeve 31 and the sliding rail body 1, the air pipe 63 rolls between the second guide wheel 73 on the fixing frame 71 and the second guide wheel 73 on the sliding frame 72 are driven, and meanwhile the second guide wheel 73 on the sliding frame 72 is driven, so that the sliding frame 72 and the fixing frame 71 slide, the distance between the second guide wheel 73 on the fixing frame 71 and the second guide wheel 73 on the sliding frame 72 is controlled through the deformation of the second reset spring 74, and further the air pipe 63 is always attached to the second guide wheel, so that the air pipe 63 is effectively prevented from influencing the sliding of the sliding block 2, two sides of the section of the second guide wheel 73 are of arc-shaped structures, and further the limiting effect of the second guide wheel 73 on the air pipe 63 is better.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a can lubricate digit control machine tool of straight slide rail which characterized in that: the sliding rail comprises a sliding rail body (1), a sliding block (2), a lubricating structure (3), a first guide structure (4), a pressure relief structure (5), a cleaning structure (6) and a second guide structure (7); the slide block (2) for transmission is arranged in the slide rail body (1) for unidirectional limiting and guiding, and the slide block (2) is provided with the first guiding structure (4) which is in rolling connection with the slide rail body (1); the side wall of the sliding block (2) is provided with a lubricating structure (3) which is connected with the sliding rail body (1) in a sliding manner and used for lubricating a screw rod on the sliding block (2) and primarily cleaning ash, and the inside of the lubricating structure (3) is provided with a pressure relief structure (5) used for enhancing the attaching degree of the lubricating structure (3) and the screw rod; the cleaning structure (6) used for sucking dust and removing dust through negative pressure vacuum is connected to the inside of the lubricating structure (3), one side wall of the inside of the sliding rail body (1) is provided with a plurality of second guide structures (7) used for guiding and limiting the cleaning structure (6), and the second guide structures (7) are detachably connected with the sliding rail body (1);

the first guide structure (4) comprises a first guide wheel (41), a guide shaft (42), eight guide frames (43) and a drive rod (44), one end of the slide block (2) embedded into the slide rail body (1) is of an I-shaped structure, two ends of a cross section of a cavity in the slide rail body (1) along the direction perpendicular to the slide rail body (1) are isosceles trapezoids, the eight guide frames (43) are distributed at two ends of the slide block (2) in a rectangular array mode, each group of four guide frames (43) are symmetrically arranged in pairs relative to the slide block (2), the drive rod (44) is connected with the guide frames (43) and the slide block (2) in a penetrating mode, the drive rod (44) is connected with the guide frames (43) in a rotating mode, and the drive rod (44) is connected with the slide block (2) in a threaded mode, the section of the guide frame (43) along the direction perpendicular to the driving rod (44) is of a U-shaped structure, the side wall of the guide frame (43) is provided with the guide shaft (42) which is rotatably connected, and the guide shaft (42) is provided with the first guide wheel (41) of a circular truncated cone-shaped structure for guiding the sliding block (2);

the lubricating structure (3) comprises a containing sleeve (31), cleaning teeth (32), a thread groove (33), a sealing plug (34), a flow guide hole (35), a transmission sleeve (36), a fiber sponge block (37) and an elastic sheet (38), wherein the containing sleeve (31) is fixed on the side wall of the sliding block (2), the flow guide hole (35) which extends into a containing cavity used for storing lubricating oil in the containing sleeve (31) penetrates through the side wall of the containing sleeve (31), the sealing plug (34) is in threaded connection with the side wall of the containing sleeve (31) and used for sealing the flow guide hole (35), the transmission sleeve (36) is arranged in the containing sleeve (31) in a sliding connection, the cleaning teeth (32) of a plurality of semi-annular structures are arranged at the bottom end of the transmission sleeve (36), and the end of the elastic sheet (38) with a wavy cross section in a structure in a shape like the shape of a Chinese character 'ji' is fixed on the transmission sleeve (36), the end part of the elastic sheet (38) extends to the fiber sponge block (37), the fiber sponge block (37) is connected with the cleaning teeth (32) and the transmission sleeve (36) in a sliding mode, the length of the fiber sponge block (37) is larger than the sum of the thickness of the cleaning teeth (32) and the thickness of the transmission sleeve (36), and the thread grooves (33) are formed between every two adjacent cleaning teeth (32) and between the cleaning teeth (32) and the storage sleeve (31);

the pressure relief structure (5) comprises a first return spring (51) and a positioning rod (52), one end of the positioning rod (52) penetrates through the first return spring (51) and extends into the containing sleeve (31), the positioning rod (52) is connected with the containing sleeve (31) in a sliding mode, and two ends of the first return spring (51) are respectively abutted to the transmission sleeve (36) and the containing sleeve (31);

the cleaning structure (6) comprises a guide groove (61), a connecting pipe (62) and an air pipe (63), the guide groove (61) communicated with the thread groove (33) is formed in the accommodating sleeve (31), one end of the connecting pipe (62) is fixed to the accommodating sleeve (31) and communicated with the guide groove (61), and the other end of the connecting pipe (62) is fixed to the air pipe (63);

second guide structure (7) includes a plurality of mounts (71), balladeur train (72), second leading wheel (73) and second reset spring (74), one of them lateral wall of slide rail body (1) is equipped with a plurality of equidistance settings mount (71), be equipped with sliding connection on mount (71) balladeur train (72), balladeur train (72) with be equipped with between mount (71) second reset spring (74), balladeur train (72) with mount (71) the end of carrying on opposite sides all be equipped with be used for right trachea (63) carry on spacing direction, cross-section both sides be arc structure, cylinder structure second leading wheel (73), second leading wheel (73) with roll connection between trachea (63), trachea (63) deviate from the one end of connecting pipe (62) in on mount (71) second leading wheel (73) and S-shaped twine and contradict in what on balladeur train (72) was contradicted And the two second guide wheels (73) are respectively connected with the fixed frame (71) and the carriage (72) in a rotating way.