CN114576327A

CN114576327A - Linear sliding table module

Info

Publication number: CN114576327A
Application number: CN202210253416.9A
Authority: CN
Inventors: 张贤良
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-06-03

Abstract

The invention relates to a linear sliding table module. The sliding block is connected with a lead screw nut in a ball screw straight-tube nut assembly and moves along an integrated module guide rail body through a roller assembly, and a roller guide retainer is arranged in the sliding block; the slider all is equipped with roller assembly along rather than the both sides of slip direction looks vertically, roller assembly includes roller guide block, slider end cover and two roller bands, the roller band is long annular and comprises a plurality of rollers, two roller bands mutually perpendicular and cross arrangement, every roller band rolls along roller direction holder and integrative module guide rail body respectively, the roller band leads and the switching-over through the roller guide block, the roller guide block passes through the slider end cover and connects in the both ends of slider along its slip direction. The linear sliding table module is high in bearing capacity, high in guiding and positioning accuracy and compact in structure, and can be applied to various application occasions with small space, large load, high accuracy and low cost.

Description

Linear sliding table module

Technical Field

The invention relates to the technical field of sliding table modules, in particular to a linear sliding table module.

Background

Along with the development of the times, the requirements on the automation technology are continuously improved, the linear sliding table module with modularized standardized serialization can form equipment such as processing, assembling, detecting and mechanical arms through various simple and convenient combinations, and various complex working conditions are met.

The existing linear sliding table module has the defects of weak bearing capacity, poor dustproof effect, large noise, complex structure, large occupied space, low precision, short service life, high cost, high maintenance difficulty and the like.

Disclosure of Invention

In order to solve the above technical problem, the present invention provides a linear sliding table module, including: the device comprises a bearing seat assembly, a screw rod nut assembly, a guide rail and a sliding block assembly;

the screw rod nut assembly is arranged between the guide rails through the bearing seat assembly;

the sliding block assembly comprises a sliding block, a roller assembly, a roller barrier strip, a roller guide retainer, a roller guide block and a sliding block end cover;

the sliding block is connected with a lead screw nut in the lead screw nut assembly and moves along the guide rail through the roller assembly;

the roller assembly comprises two roller belts, the roller belts are in a long ring shape and are composed of a plurality of rollers, the two roller belts are perpendicular to each other and are arranged in a crossed mode, the roller belts comprise two sections with opposite moving directions, one section rolls between a roller groove in the sliding block and a guide rail, the other section rolls along a roller guide retainer in the sliding block, roller blocking strips are installed on the sliding block and are used for preventing the rollers from falling off from the roller groove, the roller belts are guided and reversed through a roller guide block and a sliding block end cover, and the roller guide blocks are connected to the two ends of the sliding block in the sliding direction through the sliding block end cover.

In one embodiment of the present invention, the roller grooves are provided at both side ends of the slider in a direction perpendicular to the sliding direction thereof, two roller grooves are provided at both side ends, respectively, and the roller guide holder penetrates both ends of the slider in the sliding direction thereof and is parallel to the roller grooves.

In an embodiment of the present invention, the roller assembly further includes two roller holding chain belts perpendicular to each other and arranged in a crossing manner, the roller holding chain belts are distributed with accommodating grooves for accommodating rollers in the roller belts, two ends of the accommodating grooves are respectively provided with elastic arc-shaped clamping plates, the rollers are limited by the two elastic arc-shaped clamping plates arranged oppositely, and one side of the elastic arc-shaped clamping plates is further provided with a limiting boss structure.

In one embodiment of the present invention, a via hole is provided inside the roller guide block, a first guiding arc-shaped groove is provided on one side of the via hole, a second guiding arc-shaped groove is provided circumferentially on a side end of the roller guide block, and a symmetrical cross section of the first guiding arc-shaped groove is perpendicular to a symmetrical cross section of the second guiding arc-shaped groove; the slider end cover is provided with a containing cavity for installing the roller guide block, and the containing cavity comprises two arc-shaped guide surfaces which are vertically arranged.

In an embodiment of the present invention, the linear sliding table module further includes: three conical surface fixed pins and first holding screw, three conical surface fixed pin includes the cylinder, follows the three conical surface that cylinder length direction established, three conical surface links up each other along main part circumference, the slider is connected with screw-nut through three conical surface fixed pins along its both sides end mutually perpendicular with the slip direction, screw-nut's arc surface be equipped with three conical surface fixed pin shape assorted connecting hole, three conical surface fixed pin is locked through holding screw.

In an embodiment of the present invention, the linear sliding table module further includes: the lower end of the sliding block is connected with the screw rod nut through the taper pin, and the taper pin is locked through the second set screw.

In one embodiment of the present invention, the bearing housing assembly includes: the device comprises an angular contact bearing, a bearing adjusting ring, a bearing seat pressing plate, a locking nut, a coupler, a motor, an integrated motor bearing seat, a deep groove ball bearing and a supporting side end cover;

the motor is connected with an integrated motor bearing seat, the integrated motor bearing seat is connected with a guide rail, and the motor is connected with a screw rod in a screw rod nut assembly through a coupler;

one end of the screw rod is provided with an angular contact bearing in an integrated motor bearing seat through a locking nut, the angular contact bearing is tightly pressed through a bearing seat pressing plate, and two ends of the bearing adjusting ring are respectively abutted against the angular contact bearing and the locking nut;

the other end of the screw rod is connected to a support side end cover through a deep groove ball bearing, and the support side end cover is connected to the guide rail.

In an embodiment of the present invention, the linear sliding table module further includes a dust-proof assembly, and the dust-proof assembly includes: the device comprises a steel belt, a steel belt pressing plate, a slider dustproof cover, a felt, a round wire spring, a dustproof baffle, a grooved dustproof baffle and a rubber magnetic strip;

the steel belt is respectively connected with the integrated motor bearing seat and the supporting side end cover through a steel belt pressing plate;

the sliding block dust cover is respectively arranged at two ends of the sliding block along the sliding direction of the sliding block, the felt is connected to the sliding block dust cover through a round wire spring and clings to the steel belt through the round wire spring, and the steel belt penetrates through the sliding block dust cover and the sliding block;

dustproof baffle, slotted dustproof baffle are connected respectively in guide rail both ends, the rubber magnetic stripe glues respectively in dustproof baffle and slotted dustproof baffle respectively and the steel band between the recess, the slider dust cover passes through the dust cover bolt and links to each other with the slider both ends, the slider dust cover is equipped with the waist shape hole that is used for dust cover bolted connection.

In an embodiment of the invention, the dustproof assembly further comprises a dustproof upper cover, the dustproof upper cover is positioned above the sliding block, a tensioning block and a tensioning spring are arranged below the steel belt, the tensioning block is connected to the sliding block through the tensioning spring, and the tensioning block abuts against the lower surface of the steel belt.

In an embodiment of the invention, the linear sliding table module further comprises a position sensing assembly, the position sensing assembly comprises a sensing switch and a sensing baffle, the guide rail is an integrated module guide rail, two sides of the section of the guide rail are not of equal height, a groove dustproof baffle is arranged on the lower side of the guide rail, the slider is provided with the sensing baffle along the direction vertical to the sliding direction of the slider, and the trapezoidal groove of the groove dustproof baffle is internally provided with the sensing switch for detecting the position of the sensing baffle.

Compared with the prior art, the technical scheme of the invention has the following advantages:

the linear sliding table module has the advantages of strong bearing capacity, high guiding and positioning accuracy, compact structure, low noise, easy lubrication, adjustment, maintenance and replacement of the sliding block assembly and the dustproof assembly, long service life and low cost, and can be suitable for various application occasions with small space, large load, high accuracy and low cost by adopting various structural combinations of different materials.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which

Fig. 1 is a perspective cutaway view of a linear slide table module according to a first embodiment of the present invention.

Fig. 2 is another perspective cut-away view of the linear slide table module according to the first embodiment of the present invention.

Fig. 3 is an exploded perspective view of a slider assembly of the linear slide table module according to the first embodiment of the present invention.

Fig. 4 is a partially enlarged perspective view of the roller belt and the roller holding chain belt of the linear slide table module according to the first embodiment of the present invention.

Fig. 5 is a perspective exploded sectional view of a slider assembly according to a second embodiment of the present invention.

Fig. 6 is a sectional view of a linear slide table module according to a first embodiment of the present invention.

Fig. 7 is a partial three-dimensional cutaway view of a linear sliding table module according to a third embodiment of the present invention.

Fig. 8 is a three-dimensional cutaway view of two sets of slide table modules orthogonally arranged according to a fourth embodiment of the present invention.

Fig. 9 is a sectional view of a linear slide table module according to a fifth embodiment of the present invention.

Fig. 10 is a schematic view of the roller guide block structure of the present invention.

FIG. 11 is a schematic view of a slider end cap configuration of the present invention.

Fig. 12 is a schematic view of a three-taper anchor pin according to the present invention.

FIG. 13 is a schematic view of the roller guide block, slide block end cap and roller retainer chain mating arrangement of the present invention.

The specification reference numbers indicate: 1. a deep groove ball bearing; 2. pressing a steel belt; 3. fixing screws by using steel belt pressing plates; 4. a dust-proof baffle plate; 5. a steel belt; 6. a slider dust cover; 7. a slider dust cover fixing bolt; 8. a slider; 9. a ball screw straight barrel nut assembly; 10. a three-conical-surface fixing pin; 11. felt; 12. an angular contact bearing; 13. a bearing adjusting ring; 14. a bearing block pressing plate; 15. locking the nut; 16. a hexagon socket head cap screw; 17. a coupling; 18. a motor; 19. a motor bearing seat shield; 20. an integral motor bearing mount; 21. a motor bearing seat fixing bolt; 22. a first slider end cap; 23. a roller guide block; 24. a first roller belt; 25. a first roller holding chain belt; 26. a first roller guide cage; 27. a second slider end cap; 28. a slider end cover fixing bolt; 29. an integral module guide rail body; 30. a support side end cap fixing bolt; 31. supporting the side end cap; 32. a flat head screw; 33. a photoelectric sensing baffle plate; 34. a miniature photoelectric sensor; 35. a sensor fixing bolt; 36. a slotted dust baffle; 37. a bolt cover plate; 38. a hexagon bolt; 39. the dustproof baffle plate is fixed by a screw; 40. a rubber magnetic strip; 41. a round wire spring; 42. a feed screw nut; 43. a first set screw; 44. a first roller bar; 45. an oil injection nozzle; 46. pressing strips for roller barrier strips; 47. a second roller bar; 48. a second roller belt; 49. a second roller guide cage; 50. a full roller slider; 51. a first full roller slider end cap; 52. a second full roller slider end cap; 53. a full roller guide block; 54. a second slider dust cover; 55. a dustproof upper cover of the sliding block; 56. a steel belt tensioning block; 57. a spring; 58. a second feed screw nut; 59. a second slider; 60. a second integral module guide rail body; 61. a taper pin; 62. a second set screw; 63. a second dust-proof baffle; 64. an orthogonal two-axis integrated slide block; 65. a split guide rail; 66. a third roller guide cage; 67. a rail platform; 68. a ball screw nut assembly; 69. a split slide block; 70. a guide rail fixing bolt; 71. a slider fixing bolt; 72. a slider platform; 73. a third roller band; 74. a third roller holding chain belt; 75. a third roller bar; 76. a set screw; 77. a stop nut; 78. a via hole; 79. a first guide arc-shaped groove; 80. a second guiding arc-shaped groove; 81. an accommodating cavity; 82. an arc-shaped guide surface.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

Example one

As shown in fig. 1, the linear sliding table module of the present invention includes: the device comprises a ball screw straight-barrel nut component 9, a bearing seat component, an integrated module guide rail body 29, a first roller guide retainer 26 and a sliding block component; the ball screw straight barrel nut assembly 9 is arranged on the integrated module guide rail body 29 through a bearing seat assembly; the slide block assembly comprises a slide block 8, a roller assembly, a roller guide retainer 26, a roller guide block 23, a first roller bar 44 and a slide block end cover; the slide block 8 is connected with a screw nut 42 in the ball screw straight-barrel nut component 9 and moves along the integrated module guide rail body 29 through a roller component, and the first roller guide retainer 26 is arranged in the slide block 8;

the roller assembly comprises two first roller belts 24, the first roller belts 24 are in a long ring shape and are composed of a plurality of rollers, the two first roller belts 24 are perpendicular to each other and are arranged in a crossed mode, one section of each first roller belt 24 rolls between a roller groove on the sliding block 8 and the integrated module guide rail body 29, the other section of each first roller belt 24, opposite in moving direction, rolls along a first roller guide retainer 26 in the sliding block 8, the first roller belts 24 are guided and reversed through roller guide blocks 23 and sliding block end covers, the roller guide blocks 23 are connected to two ends of the sliding block 8 in the sliding direction of the sliding block through the sliding block end covers, and each end is provided with a first sliding block end cover 22 and a second sliding block end cover 27. The roller grooves are formed in two side ends, perpendicular to the sliding direction, of the sliding block 8, two roller grooves are formed in the two side ends, the first roller guide retainer 26 penetrates through the two ends, perpendicular to the sliding direction, of the sliding block 8 and is parallel to the roller grooves, and the first roller blocking strips 44 are used for preventing rollers in the roller belts from falling off from the roller grooves. Through the structure, the sliding block 8 is guided by rolling friction through the roller assembly, so that high-precision linear reciprocating motion is realized.

The ball screw barrel nut assembly 9 may also be replaced by other screw nut assemblies, which may include a trapezoidal screw nut assembly or a ball screw nut assembly, etc.

Specifically, the roller assembly further comprises two first roller holding chain belts 25 which are perpendicular to each other and are arranged in a crossed manner, wherein accommodating grooves for accommodating rollers in the roller belts are distributed on the first roller holding chain belts 25, elastic arc-shaped clamping plates are respectively arranged at two ends of the accommodating grooves, as shown in a position d in fig. 4, the rollers are limited through the two elastic arc-shaped clamping plates which are oppositely arranged, and a limiting boss structure is further arranged on one side of each elastic arc-shaped clamping plate, as shown in a position e in fig. 4. Through the setting, prevent that the roller in the first roller area 24 from keeping the chain belt 25 to drop from first roller, two elasticity arc cardboard produce elastic deformation when crossing the corner switching-over, because the boss structural design of e department has restricted the deformation displacement distance of two elasticity arc cardboards, can not produce plastic deformation. The required corner circular arc size of switching-over is reduced to this kind of design, the structure is compacter, the setting that keeps chain belt 25 through first roller belt 24 and first roller has both prevented that the roller from rolling, the friction impact of switching-over in-process each other produces wearing and tearing and noise, the quantity of roller has been reduced again, prevent slider 8 because the roller is too much produces great resistance, can also let first roller keep holding can hold more lubricating grease in the chain belt 25 clearance, the assembly of sliding block subassembly, it is more simple and convenient to maintain, guarantee the high-speed silence linear reciprocating motion of slip table module realization high accuracy, and prolong the life of slip table module greatly.

Specifically, as shown in fig. 10, 11 and 12, a through hole 78 is provided inside the roller guide block 23, a first guide arc-shaped groove 79 is provided on one side of the through hole 78, a second guide arc-shaped groove 80 is provided circumferentially on a side end of the roller guide block 23, and a symmetrical cross section of the first guide arc-shaped groove 79 is perpendicular to a symmetrical cross section of the second guide arc-shaped groove 80; the slider end cover is provided with a containing cavity 81 for installing the roller guide block 23, and the containing cavity 81 comprises two arc-shaped guide surfaces 82 which are vertically arranged.

As shown in fig. 3, an oil nozzle 45 is provided at one side end of the slide block 8, and grease can be injected from the oil nozzle 45 into the feed screw nut 42 and the first roller belt 24 and the first roller holding chain belt 25 through corresponding holes in the slide block 8, and the first roller belt 24 contacts the rolling friction surface of the lubricating slide block 8 and the integrated module guide rail body 29 by rolling circulation.

Specifically, as shown in fig. 3, the linear sliding table module further includes: three conical surface fixed pins 10 and first holding screw 43, as shown in fig. 12, three conical surface fixed pin 10 includes the cylinder, along the three conical surface that cylinder length direction established, three conical surface links up each other along main part circumference, slider 8 is connected with screw-nut 42 through three conical surface fixed pin 10 along its both sides end perpendicular with the slip direction mutually, screw-nut 42's arc surface is equipped with the connecting hole with three conical surface fixed pin 10 shape assorted, thereby pushes up three conical surface fixed pin 10 that contacts by the two-way inclined plane of side with screw-nut 42 through first holding screw 43 and eliminates screw-nut 42 and slider 8's clearance to it is died locking by holding screw 43.

As shown in fig. 6, tightening the first set screw 43 to push the three-taper fixing pin 10 to press the i region of the screw nut 42 contacting with the i region along the pin hole of the slider 8, so that the j region of the slider 8 contacting with the j region under the pressing action of the screw nut 42 can be opened to generate a slight elastic deformation, the k region and the j region of the slider 8 are opened integrally and synchronously, and the k region roller grooves of the slider 8 are opened to eliminate the gap between the slider 8, the first roller row and the integral module guide rail body 29 because the roller grooves of the slider 8 slide relatively to the integral module guide rail body 29 by the rolling friction of the first roller row. Therefore, the pretightening force of the sliding table module sliding block 8 and the guide rail in relative movement can be adjusted by adjusting the locking force of the first set screw 43 and the three-conical-surface fixing pin 10, and the abrasion generated among the sliding block 8, the roller and the rolling friction contact surface of the guide rail after long-term use can be compensated.

Specifically, as shown in fig. 1, the bearing housing assembly includes: the device comprises an angular contact bearing 12, a bearing adjusting ring 13, a bearing seat pressure plate 14, a locking nut 15, a coupling 17, a motor 18, an integrated motor bearing seat 20, a deep groove ball bearing 1 and a supporting side end cover 31; the motor 18 is fixedly installed on the integrated motor bearing seat 20, the integrated motor bearing seat 20 is connected with the integrated module guide rail body 29 through an inner hexagon bolt 38 and a motor bearing seat fixing bolt 21, the motor 18 is connected with a ball screw in the ball screw straight-barrel nut component 9 through a coupler 17, the DF paired (front paired) angular contact bearing 12 is installed in the integrated motor bearing seat 20, one end of the ball screw is installed in the integrated motor bearing seat 20 through the angular contact bearing 12, the bearing seat pressing plate 14 is tightly pressed on the angular contact bearing 12 through a locking nut 15, and two ends of the bearing adjusting ring 13 are respectively abutted against the angular contact bearing 12 and the locking nut 15; the other end of the ball screw is connected to a supporting side end cover through a deep groove ball bearing 1, the supporting side end cover is connected to an integrated module guide rail body 29, a bearing seat pressing plate 14 and a locking nut 15 eliminate bearing gaps and lock, and the ball screw is supported by the combination of the angular contact bearing 12 and the deep groove ball bearing 1 to do high-precision rotary motion and bear axial reaction force.

As shown in the parts b and c in fig. 2, the two sides of the cross section of the integrated module guide rail body 29 are not equal in height, and compared with the conventional integrated module guide rail with two equal sides in height, the inertia distance of the cross section is slightly reduced, so that the bending resistance is not greatly different, the overall weight of the sliding table module can be reduced by the design, the available space is increased, and the integrated module guide rail can be used for installing and setting a sensor assembly and reducing the total assembly thickness of the sliding table module during multi-shaft composite arrangement. As shown in the part a in the figure, the sliding block 8 is provided with two grooves with three side walls for finish machining, and the sliding block can be provided with a baffle for triggering a sensor signal and can also be used for accurately positioning an external working component or a connecting block fixedly connected with the sliding block 8.

As shown in fig. 1 to 3, the straight line slip table module still includes dustproof subassembly, dustproof subassembly includes: the device comprises a steel belt 5, a steel belt pressing plate 2, a sliding block dust cover 6, a felt 11, a round wire spring 57, a dust-proof baffle 4, a grooved dust-proof baffle 4 and a rubber magnetic strip 40;

the steel belt 5 is respectively connected with the bearing seat of the integrated motor 18 and the supporting side end cover 31 through a steel belt pressing plate 2 and a steel belt pressing plate fixing screw 3, and the steel belt 5 is tightly attached to the upper surface of the sliding block 8;

the slider dust cover 6 is respectively connected to two ends of the slider 8 along the sliding direction of the slider through slider dust cover fixing bolts 7, the felt 11 is connected to the slider dust cover 6 through a round wire spring 57, the felt 11 is tightly attached to the steel belt 5 through the round wire spring 57, and the slider dust cover 6 is positioned above the surface of the steel belt 5; the felt 11 is better in cleaning, dust-proof and shock-absorbing effects, and the felt 11 is tightly attached to the steel belt 5 through the round wire spring 57, so that the tensioning gap of the steel belt 5 is smaller.

Dustproof baffle 4 passes through dustproof baffle set screw 39, slotted dustproof baffle 4 and connects respectively in integrative module guide rail body 29 both sides end through hex bolts 38, rubber magnetic stripe 40 glues respectively and adsorbs steel band 5 in dustproof baffle 4 and slotted dustproof baffle 4 separately and the recess between the steel band 5, and dustproof effect is better, and two lamella motor bearing frame guard shield 19 are to inserting and installing on integrative motor 18 bearing frame.

The totally-enclosed dustproof assembly can lead the slide block 8 to adopt simplified design for protection, and a side surface scraper plate, a sealing gasket, a dustproof cover, a self-lubricating assembly and the like for dustproof lubrication of the slide block 8 can be omitted or changed into optional parts. The slider dust cover 6 is connected with two ends of the slider through dust cover bolts, the slider dust cover 6 is provided with a waist-shaped hole for connecting the dust cover bolts, the mounting position can be adjusted up and down, the tension of the steel belt 5 is adjusted, and abrasion generated after the contact part of the slider dust cover 6 and the steel belt 5 is subjected to long-term sliding friction is compensated.

As shown in fig. 2, the two ends of the slider 8 perpendicular to the sliding direction of the slider are provided with photoelectric sensing baffles 33 through flat head screws 32, the two sides of the section of the integrated module guide rail body 29 are unequal in height, the lower side of the section of the integrated module guide rail body is provided with the slotted dust-proof baffle 4, and a miniature photoelectric sensor 34 for detecting the position of the photoelectric sensing baffle 33 is arranged in the trapezoidal groove of the slotted dust-proof baffle 4 through a sensor fixing bolt 35, so that the positive and negative limiting position and the zero point sensing position can be conveniently adjusted.

Example two

As shown in fig. 2, the overall structure of the integrated module guide rail body in the linear sliding table module of the present embodiment is the same as that of the first embodiment, and only the roller assembly structure is different.

As shown in fig. 5, the roller assembly is composed of a roller bar batten 46, a second roller bar 47, a second roller belt 48, a second roller guide holder 49, a full roller slider 50, a first full roller slider end cover 51, a second full roller slider 52 end cover and a full roller guide block 53, the above components have the same structure and connection relationship with the embodiment, and only have different sizes, and when the size of the slider is short and it is inconvenient to install the roller to maintain the chain belt, the structure of the full roller assembly and the structure of the roller-free chain belt of the embodiment are adopted.

As shown in f, g and h of fig. 5, grease can be injected into corresponding inner holes through f of the full roller slider 50, enter the lead screw nut 42 from g, and enter the second roller belt 48 from h, and the second roller belt 48 is contacted and lubricated with the rolling friction surfaces of the full roller slider 50 and the guide rail through rolling circulation.

EXAMPLE III

As shown in fig. 7 and fig. 1, the connection mode of the slider 8 and the ball screw straight nut assembly 9 in the slide table module and the dust-proof assembly are different from those in the first embodiment, and the rest are the same.

As shown, the second spindle nut 58 is rigidly coupled to the second slide 59 by a conical pin 61. The second set screw 62 pushes the taper pin 61 which contacts with the second feed screw nut 58 by the taper surface to eliminate the gap between the second feed screw nut 58 and the second slide block 59, and the second set screw 62 is used for fixing and locking to prevent looseness.

As shown in fig. 7 and fig. 1, the dust-proof assembly is composed of a steel belt pressing plate 2, a steel belt 5, a second slider dust-proof cover 6, a felt 11, a second dust-proof baffle 4, a steel belt tensioning block 56, a spring 57 and a motor bearing seat shield 19. The dustproof assembly further comprises a slider dustproof upper cover 55, and the slider dustproof upper cover 55 is arranged above the slider 8.

The connection mode of the steel strip 5 through the second sliding block 59 guided by the second sliding block dust covers 54 at two ends, the connection mode of the second sliding block 59 and the second integrated module guide rail body 60 is the same as that of the first embodiment, the steel strip pressing plates 2 at two ends of the second sliding block 8 are fixedly connected with the second dust baffle 63, the integrated motor bearing seat 20 and the supporting side end cover 31 through the steel strip pressing plate fixing screws 3, the second sliding block dust covers 54 are fixedly connected with the second sliding block 59 through the sliding block dust cover fixing bolts 7, the bolt through holes of the second sliding block dust covers 54 are designed to be waist-shaped holes, the installation positions can be adjusted up and down, the tensile force of the steel strip 5 is adjusted to compensate the abrasion of the sliding friction parts of the second sliding block dust covers 54 and the steel strip 5, the cleaning, the dust-proof and shock absorption effects of the felts 11 in the second sliding block dust covers 54 are better, the steel strip tensioning block 56 is sprung up under the action of the spring 57 to ensure that the steel strip 5 keeps enough tensile force, the rubber magnetic strip 40 is respectively adhered in the grooves corresponding to the second dust baffle 63 by double-proof glue, dustproof effect is better, and two motor bearing frame guard shields 19 are to inserting the installation on integrative motor bearing frame 20.

Example four

As shown in fig. 8, two sets of the slide table modules having the same structure as that of the first embodiment are connected by the orthogonal two-axis integrated slide block 8 with their original slide blocks 8 removed, and the two sets of the slide table modules are arranged vertically face to face. The integrated design of combining two slide blocks 8 into one can reduce the total assembly thickness, simplify the structure and facilitate the installation. The error of the mechanical angle of two shafts of the integrated slide block 8 can not be adjusted according to the processing precision, and in the application occasion of ultra-high precision, a multi-shaft numerical control system is selected to compensate the angle error through two-shaft linkage.

EXAMPLE five

As shown in fig. 9, the linear sliding table module of the present embodiment mainly includes a split guide rail 65, a third roller guide holder 66, a guide rail platform 67, a ball screw nut 42 assembly, a split slider 8, a guide rail fixing bolt 70, a slider fixing bolt 71, a slider platform 72, a third roller 73, a third roller holding chain belt 74, a third roller barrier strip 75, a stop screw 76, and a nut.

The connection structure of the screw nut component and the motor of the linear sliding table module is the same as that of the first embodiment, namely the motor and the motor are fixedly installed on the motor base, the motor is connected with the ball screw nut component through the coupler, the DF paired angular contact bearing is installed in the bearing seat, the bearing seat pressing plate and the locking nut eliminate the bearing gap and lock, the motor base, the bearing seat and the guide rail platform are fixedly connected, and the two-end angular contact bearing and the deep groove ball bearing are combined to support the ball screw to do high-precision rotary motion and bear axial reaction force.

The ball screw nut 42 assembly is rigidly connected to the slide plate 72 by a flanged screw nut and a bolt via a flanged bolt.

The split guide rail 65 is fixed on the guide rail platform 67 by the guide rail fixing bolt 70, the assembly clearance is eliminated by the stop screw 76 on one side for accurate positioning, the stop nut 77 plays a role in anti-loosening adjustment, the split sliding block 8 is fixed on the sliding block platform 72 by the sliding block fixing bolt 71, and the guide rail platform 67 realizes high-precision linear reciprocating motion by the guide rail 65 and four third roller 73 belts and third roller maintaining chain belt 74 assemblies in the split sliding block 8 in a crossed manner through rolling friction guiding.

Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. The utility model provides a sharp slip table module which characterized in that includes: the device comprises a bearing seat assembly, a screw rod nut assembly, a guide rail and a sliding block assembly;

the feed screw nut assembly is arranged between the guide rails through the bearing seat assembly;

2. The linear sliding table module according to claim 1, wherein the roller grooves are formed at both ends of the slider in a direction perpendicular to a sliding direction of the slider, two roller grooves are formed at both ends of the slider, and the roller guide holders penetrate through both ends of the slider in the sliding direction and are parallel to the roller grooves.

3. The linear sliding table module according to claim 1, wherein the roller assembly further comprises two roller holding chain belts which are perpendicular to each other and arranged in a crossed manner, the roller holding chain belts are provided with accommodating grooves for accommodating rollers in the roller belts, two ends of the accommodating grooves are respectively provided with an elastic arc-shaped clamping plate, the rollers are limited by the two elastic arc-shaped clamping plates which are arranged oppositely, and one side of each elastic arc-shaped clamping plate is further provided with a limiting boss structure.

4. The linear sliding table module according to claim 1, wherein a through hole is formed in the roller guide block, a first guide arc-shaped groove is formed in one side of the through hole, a second guide arc-shaped groove is circumferentially formed in a side end of the roller guide block, and a symmetrical section of the first guide arc-shaped groove is perpendicular to a symmetrical section of the second guide arc-shaped groove; the slider end cover is provided with a containing cavity for installing the roller guide block, and the containing cavity comprises two arc-shaped guide surfaces which are vertically arranged.

5. The linear sliding table module according to claim 1, further comprising: three conical surface fixed pins and first holding screw, three conical surface fixed pin includes the cylinder, follows the three conical surface that cylinder length direction established, three conical surface links up each other along main part circumference, the slider is connected with screw-nut through three conical surface fixed pins along its both sides end mutually perpendicular with the slip direction, screw-nut's arc surface be equipped with three conical surface fixed pin shape assorted connecting hole, three conical surface fixed pin is locked through holding screw.

6. The linear sliding table module according to claim 1, further comprising: the lower end of the sliding block is connected with the screw rod nut through the taper pin, and the taper pin is locked through the second set screw.

7. The linear slide module of claim 1, wherein the bearing block assembly comprises: the device comprises an angular contact bearing, a bearing adjusting ring, a bearing seat pressing plate, a locking nut, a coupler, a motor, an integrated motor bearing seat, a deep groove ball bearing and a supporting side end cover;

8. The straight line slip table module of claim 1, characterized in that, straight line slip table module still includes dustproof subassembly, dustproof subassembly includes: the device comprises a steel belt, a steel belt pressing plate, a sliding block dust cover, a felt, a round wire spring, a dust-proof baffle, a grooved dust-proof baffle and a rubber magnetic strip;

9. The linear sliding table module according to claim 8, wherein the dust-proof assembly further comprises a dust-proof upper cover, the dust-proof upper cover is located above the sliding block, a tensioning block and a tensioning spring are arranged below the steel belt, the tensioning block is connected to the sliding block through the tensioning spring, and the tensioning block abuts against the lower surface of the steel belt.

10. The linear sliding table module according to claim 1, further comprising a position sensing assembly, wherein the position sensing assembly comprises a sensing switch and a sensing baffle, the guide rail is an integrated module guide rail, two sides of the cross section of the guide rail are not of equal height, a groove dustproof baffle is mounted on one lower side of the guide rail, the slider is provided with the sensing baffle along a direction perpendicular to the sliding direction of the slider, and the trapezoidal groove of the groove dustproof baffle is provided with the sensing switch for detecting the position of the sensing baffle.