CN213245347U

CN213245347U - Linear guide rail

Info

Publication number: CN213245347U
Application number: CN202021521519.1U
Authority: CN
Inventors: 李子宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-05-21
Anticipated expiration: 2030-07-28

Abstract

The utility model relates to the technical field of guide rails, in particular to a linear guide rail, which comprises a guide rail and a slide block, wherein the guide rail consists of an upper rectangular strip and a lower rectangular strip, the lower rectangular strip is arranged at the position of a small rectangular groove of the upper rectangular strip, and the upper rectangular strip is sleeved with at least one slide block; the slider comprises bearing plate, rectangle roller slider, slider fixing bolt, slider adjusting screw, and the both sides edge of bearing plate respectively is provided with two at least, and symmetrical countersunk head through hole, slider adjusting screw hole, two symmetrical rectangle roller sliders are installed to the bearing plate the inside, and rectangle roller slider passes through slider fixing bolt and countersunk head through hole, slider mounting hole fixed mounting, and can make the tight regulation through slider adjusting screw on slider adjusting screw hole, the utility model has the characteristics of can adjust the elasticity of guide rail, rigidity is good, installation easy maintenance, processing production are easy.

Description

Linear guide rail

Technical Field

The utility model relates to a guide rail technical field specifically is a linear guide.

Background

The existing linear guide rail has the fixed tightness which can not be adjusted and the tightness can be adjusted on the installation site, and the fixed linear guide rail has high precision but poor anti-seismic performance and needs special equipment for processing; the linear guide rail capable of adjusting the tightness on the installation site has high precision, strong anti-seismic performance and durability, but because the roller path of the guide rail is V-shaped, the technical requirement on processing is high, and the manufacturing cost is relatively high, for example, the patent with the name of 2020202301019 and the name of a roller guide rail pair discloses a roller guide rail pair, the roller guide rail pair consists of a guide rail and a slide block, the guide rail is provided with the V-shaped roller path, the roller path has high requirement on the processing technology, the bilateral symmetry is required, the technical requirement level on processing technicians is high, and the requirement on the processing precision is also high, so that the development of a novel linear guide rail is urgently needed.

Disclosure of Invention

An object of the utility model is to provide a linear guide has characteristics such as elasticity, precision height, the rigidity that can adjust the guide rail is strong, easy processing production.

The utility model discloses a realize through following technical scheme:

according to a technical scheme adopted by the utility model, the utility model discloses a linear guide rail, including guide rail 1, slider 2, the slider sets up on the guide rail, the guide rail by last rectangle 3, lower rectangle 4 are constituteed, last rectangle on be provided with at least two have counter bores to run through the guide rail mounting hole 5 of lower rectangle, the upper and lower two sides intermediate position of last rectangle respectively be provided with a big rectangular channel 15 along length direction, the big rectangular channel that sets up below last rectangle is the big rectangular channel of base; a small rectangular groove 16 is arranged on the large rectangular groove at the bottom edge, the lower rectangular strip is arranged at the position of the small rectangular groove of the upper rectangular strip, and at least one sliding block is sleeved on the upper rectangular strip; the sliding block is composed of a bearing plate 6, rectangular roller sliding blocks 7, sliding block fixing bolts 8 and sliding block adjusting screws 9, the bearing plate is at least door frame-shaped, the bearing plate is provided with at least two mounting threaded holes 10, two sides of the bearing plate are respectively provided with at least two, symmetrical countersunk head through holes 11 and sliding block adjusting threaded holes 12, the bearing plate is internally provided with two symmetrical rectangular roller sliding blocks 7, the rectangular roller sliding blocks are fixedly arranged with the countersunk head through holes 11 and the sliding block mounting holes 13 through the sliding block fixing bolts, and the sliding block adjusting threaded holes 12 can be subjected to tightness adjustment through the sliding block adjusting screws; therefore, the slide block is contacted with the left, right, upper and lower surfaces of the upper rectangular strip 3 when in motion, the contact surface between the guide rail and the slide block is large, and the slide block can bear large load, and the left, right, upper and lower surfaces of the upper rectangular strip 3 are vertical or parallel to each other, so the slide block is easy to process; the sliding blocks are assembled together, so that the debugging and the installation are convenient.

Further, the rectangular roller slider is composed of a rectangular block 17, a gland 18, a gland bolt 19, side cylindrical rollers 23, long cylindrical rollers 24, short cylindrical rollers 25, a lower support plate 49, an adjusting screw 50 and an adjusting nut 51, slider mounting holes 13 with the same number as the countersunk through holes 11 are correspondingly arranged on the back 26 of the rectangular block, a groove 28 corresponding to the left shape of the upper rectangular strip is arranged on the front 27 of the rectangular block along the length direction, mutually parallel and mutually symmetrical ball grooves 29 are respectively arranged on the upper and lower sides of the groove, the ball grooves are communicated with the groove at the middle position, a side ball groove 31 is arranged on the side 30 of the groove, the side ball groove is communicated with the groove at the middle position, the side ball grooves are respectively intersected with the upper and lower ball grooves, the side cylindrical rollers 23 fully distributed in the side ball grooves are arranged on the side ball grooves, the upper and lower ball grooves are provided with long cylindrical rollers 24 which are fully distributed with the ball grooves, the long cylindrical rollers of the upper ball grooves are arranged corresponding to the long cylindrical rollers of the lower ball grooves, the long cylindrical rollers and the side cylindrical rollers are arranged at intervals in a staggered manner, each side cylindrical roller 23 is provided with a short cylindrical roller 25 on the upper and lower ball grooves respectively, the bottom edge of the ball groove on the bottom edge is provided with a positioning groove 32, the positioning groove is provided with a lower supporting plate 49, the lower supporting plate is subjected to tightness adjustment on an adjusting threaded hole 52 through an adjusting screw 50, and the adjusting screw is fixed through an adjusting nut 51 after being adjusted; the front and the back of the rectangular block are respectively provided with a gland 18, the gland is fixedly installed with a gland bolt hole 36 on the gland and a gland threaded hole 37 on the rectangular block through a gland bolt 19, the gland is provided with an oil nozzle threaded hole 38 for installing an oil nozzle joint, the side cylindrical roller is fixed in the side roller groove through the gland, the long cylindrical roller and the short cylindrical roller are fixed in the roller groove through the gland, and the rolling bodies (such as the side cylindrical roller, the long cylindrical roller and the short cylindrical roller) are embedded into the rectangular block and are fixed through the gland to form a whole, so that the rigidity of the rectangular roller sliding block is favorably increased, and the installation is convenient.

Further, the rectangular roller slider is composed of a rectangular block 17, a gland 18, a gland bolt 19, side cylindrical rollers 23, long cylindrical rollers 24, short cylindrical rollers 25, a lower support plate 49, an adjusting screw 50 and an adjusting nut 51, slider mounting holes 13 with the same number as the countersunk through holes 11 are correspondingly arranged on the back 26 of the rectangular block, a groove 28 corresponding to the left shape of the upper rectangular strip is arranged on the front 27 of the rectangular block along the length direction, mutually parallel and mutually symmetrical ball grooves 29 are respectively arranged on the upper and lower sides of the groove, the ball grooves are communicated with the groove at the middle position, a side ball groove 31 is arranged on the side 30 of the groove, the side ball groove is communicated with the groove at the middle position, the side ball grooves are respectively intersected with the upper and lower ball grooves, the side cylindrical rollers 23 fully distributed in the side ball grooves are arranged on the side ball grooves, the upper and lower ball grooves are provided with long cylindrical rollers 24 fully distributed with the ball grooves, the long cylindrical rollers of the upper ball grooves and the long cylindrical rollers of the lower ball grooves are correspondingly arranged, the long cylindrical rollers and the side cylindrical rollers are arranged at intervals in a staggered manner, each side cylindrical roller 23 is provided with a short cylindrical roller 25 on the upper and lower ball grooves respectively, the bottom edge of the ball groove on the bottom edge is provided with a positioning groove 32 which is communicated with the side ball grooves, the positioning groove is provided with a lower supporting plate 49 which is subjected to tightness adjustment on an adjusting threaded hole 52 through an adjusting screw 50, the adjusting screw is fixed through an adjusting nut 51 after being adjusted, the front and the rear of the rectangular block are respectively provided with a gland 18, and the gland is connected with a gland bolt hole 36 on the gland through a gland bolt 19, Gland screw hole 37 fixed mounting on the rectangular block, the gland on be provided with glib talker screw hole 38 that installation glib connects usefulness, side cylindrical roller pass through the gland and fix at side cylindrical roller inslot, long cylindrical roller, short cylindrical roller pass through the gland and fix at the ball inslot, the rolling element (like side cylindrical roller, long cylindrical roller, short cylindrical roller) imbeds in the rectangular block, forms a whole through the gland is fixed, the rigidity of the favorable increase rectangular roller slider of this way, the installation of being convenient for.

Further, the rectangular roller slider is composed of a rectangular block 17, a gland 18, a gland bolt 19, side cylindrical rollers 23, long cylindrical rollers 24 and short cylindrical rollers 25, the back 26 of the rectangular block is correspondingly provided with slider mounting holes 13 with the same number as the countersunk through holes 11, the front 27 of the rectangular block is provided with a groove 28 corresponding to the left side of the upper rectangular strip along the length direction, the upper and lower sides of the groove are respectively provided with a mutually parallel and symmetrical ball groove 29, the ball groove is communicated with the groove at the middle position, the side 30 of the groove is provided with a side ball groove 31, the side ball groove is communicated with the groove at the middle position, the side ball groove is respectively intersected with the upper and lower ball grooves, the side cylindrical rollers 23 fully distributed with the side ball groove are arranged on the side ball groove, the upper and lower ball grooves are provided with long cylindrical rollers 24 fully distributed with the ball grooves, the long cylindrical rollers of the upper ball groove and the long cylindrical rollers of the lower ball groove are arranged correspondingly, the long cylindrical rollers and the side cylindrical rollers are arranged in a staggered mode at intervals, each side cylindrical roller 23 is provided with a short cylindrical roller 25 correspondingly on the upper and lower ball grooves, the front and the rear of the rectangular block are respectively provided with a gland 18, the gland is fixedly installed with a gland bolt hole 36 on the gland and a gland threaded hole 37 on the rectangular block 17 through a gland bolt 19, the gland is provided with an oil nozzle threaded hole 38 for installing an oil nozzle joint, the side cylindrical rollers are fixed in the side ball grooves through the gland, the long cylindrical rollers and the short cylindrical rollers are fixed in the ball grooves through the gland, and rolling bodies (such as the side cylindrical rollers, Long cylindrical roller and short cylindrical roller) are embedded into the rectangular block and are fixed by the gland to form a whole, so that the rigidity of the rectangular roller sliding block is increased, and the installation is convenient.

Further, the rectangular roller slider is composed of a rectangular block 17, a gland 18, gland bolts 19 and cylindrical rollers 39, the back 26 of the rectangular block is correspondingly provided with slider mounting holes 13 with the same number as the countersunk through holes 11, the front 27 of the rectangular block is provided with a groove 28 corresponding to the left side of the upper rectangular strip in the length direction, the upper side, the lower side and the left side of the groove are respectively provided with a ball groove 29 corresponding to the cross section shape of the cylindrical rollers, the middle part of the ball groove is communicated with the groove, the ball groove is provided with the cylindrical rollers 39 fully distributed with the ball grooves, the cylindrical rollers have large middle diameter and small diameter at two sides, the front and the back of the rectangular block are respectively provided with the gland 18, and the gland is fixedly installed with the gland bolt holes 36 on the gland and the gland threaded holes 37 on the rectangular block through the gland bolts 19, the oil nozzle threaded hole 38 for installing the oil nozzle joint is formed in the gland, the cylindrical roller is fixed in the ball groove through the gland, the rolling body (such as the cylindrical roller) is embedded into the rectangular block and is fixed through the gland to form a whole, so that the rigidity of the rectangular roller sliding block is favorably increased, and the installation is convenient.

Further, the rectangular roller sliding block 7 is composed of a rectangular block 17, a gland 18, a gland bolt 19, a cylindrical roller 39, a lower supporting plate 49, an adjusting screw 50 and an adjusting nut 51, the back 26 of the rectangular block is correspondingly provided with sliding block mounting holes 13 with the same number as the countersunk through holes 11, the front 27 of the rectangular block is provided with a groove 28 corresponding to the left side of the upper rectangular strip along the length direction, the upper side, the lower side and the left side of the groove are respectively provided with a ball groove 29 corresponding to the cross section shape of the cylindrical roller, the middle part of the ball groove is communicated with the groove, the ball groove is provided with the cylindrical roller 39 fully distributed with the ball groove, the cylindrical roller has a large middle diameter and small diameters at two sides, the bottom edge of the ball groove at the bottom edge is provided with a positioning groove 32, the positioning groove is provided with the lower supporting plate 49, the lower supporting plate is subjected to tightness adjustment on an adjusting threaded hole 52 through an adjusting screw 50, the adjusting screw is fixed 51 through an adjusting nut after being adjusted, a gland 18 is respectively arranged on the front and the back of the rectangular block, the gland is fixedly installed with a gland bolt hole 36 on the gland and a gland threaded hole 37 on the rectangular block through a gland bolt 19, a nipple threaded hole 38 for installing a nipple joint is arranged on the gland, the cylindrical roller is fixed in the roller groove through the gland, a rolling body (such as a cylindrical roller) is embedded into the rectangular block and is fixed into a whole through the gland, and therefore the rigidity of the rectangular roller sliding block is increased, and the installation is facilitated.

Further, the rectangular roller sliding block 7 is composed of a rectangular block 17, a gland 18, a gland bolt 19, a side cylindrical roller 23, a long cylindrical roller 24, a short cylindrical roller 25, a side supporting plate 40, an upper supporting plate 48 and a lower supporting plate 49, the back 26 of the rectangular block is correspondingly provided with sliding block mounting holes 13 with the same number as the countersunk through holes 11, the front 27 of the rectangular block is provided with a groove 28 corresponding to the left shape of the upper rectangular strip along the length direction, the top edge of the groove is provided with the upper supporting plate 48, the bottom edge of the groove is provided with the lower supporting plate 49, the left side of the groove is provided with the side supporting plate 40, the space formed by the top surface of the side supporting plate and the bottom surface of the upper supporting plate is an upper ball groove 46, the space formed by the bottom surface of the side supporting plate and the top surface of the lower supporting plate 49 is a lower ball groove 47, the space formed by the right side of the side bearing plate, the left side of the upper bearing plate and the left side of the lower bearing plate is a side ball groove 31, the side ball groove is respectively intersected with the upper ball groove and the lower ball groove, and the side ball groove is provided with a side cylindrical roller 23 fully distributed in the side ball groove; the upper ball groove is provided with long cylindrical rollers 24 which are fully distributed with the upper ball groove, the lower ball groove is provided with long cylindrical rollers 24 which are fully distributed with the lower ball groove, and the long cylindrical rollers of the upper ball groove and the long cylindrical rollers of the lower ball groove are arranged correspondingly; the long cylindrical rollers and the side cylindrical rollers are arranged in a staggered mode at intervals, and each side cylindrical roller 23 is correspondingly provided with a short cylindrical roller 25 on the upper ball groove and the lower ball groove; the front and the back of the rectangular block are respectively provided with a gland 18, the gland is fixedly installed with a gland bolt hole 36 on the gland and a gland threaded hole 37 on the rectangular block through a gland bolt 19, the gland is provided with an oil nozzle threaded hole 38 for installing an oil nozzle joint, the side cylindrical roller is fixed in the side roller groove through the gland, the long cylindrical roller and the short cylindrical roller are fixed in the upper roller groove and the lower roller groove through the gland, the rolling bodies (such as the side cylindrical roller, the long cylindrical roller and the short cylindrical roller) are embedded into the rectangular block through the combination of the side supporting plate 40, the upper supporting plate 48 and the lower supporting plate 49, and then the rolling bodies are fixed into a whole through the gland, so that the rigidity of the rectangular roller sliding block is favorably increased, and the installation is convenient.

Further, the rectangular roller sliding block 7 is composed of a rectangular block 17, a gland 18, a gland bolt 19, a side cylindrical roller 23, a long cylindrical roller 24, a short cylindrical roller 25, a side supporting plate 40, an upper supporting plate 48, a lower supporting plate 49, an adjusting screw 50 and an adjusting nut 51, sliding block mounting holes 13 with the same number as the countersunk through holes 11 are correspondingly arranged on the back 26 of the rectangular block, a groove 28 corresponding to the left side of the upper rectangular bar in shape is arranged on the front 27 of the rectangular block along the length direction, the upper supporting plate 48 is arranged on the top edge of the groove, the lower supporting plate 49 is arranged on the bottom edge of the groove, the lower supporting plate is subjected to tightness adjustment on an adjusting threaded hole 52 through the adjusting screw, the adjusting screw is fixed through the adjusting nut 51 after being adjusted, the left side of the groove is provided with the side supporting plate 40, the space formed by the top surface of the side bearing plate and the bottom surface of the upper bearing plate is an upper ball groove 46, the space formed by the bottom surface of the side bearing plate and the top surface of a lower bearing plate 49 is a lower ball groove 47, the space formed by the right surface of the side bearing plate, the left surface of the upper bearing plate and the left surface of the lower bearing plate is a side ball groove 31, the side ball grooves are respectively intersected with the upper ball groove and the lower ball groove, and the side ball grooves are provided with side cylindrical rollers 23 fully distributed in the side ball grooves; the upper ball groove and the lower ball groove are provided with long cylindrical rollers 24 which are fully distributed with the upper ball groove and the lower ball groove, and the long cylindrical rollers of the upper ball groove and the long cylindrical rollers of the lower ball groove are arranged correspondingly; the long cylindrical rollers and the side cylindrical rollers are arranged in a staggered mode at intervals, each side cylindrical roller 23 is correspondingly provided with a short cylindrical roller 25 on an upper ball groove and a lower ball groove, the front and the back of the rectangular block are respectively provided with a gland 18, the gland is fixedly installed with a gland bolt hole 36 on the gland and a gland threaded hole 37 on the rectangular block through a gland bolt 19, the gland is provided with an oil nozzle threaded hole 38 for installing an oil nozzle joint, the side cylindrical rollers are fixed in the side ball grooves through the glands, the long cylindrical rollers and the short cylindrical rollers are fixed in the upper ball grooves and the lower ball grooves through the glands, rolling bodies (such as the side cylindrical rollers, the long cylindrical rollers and the short cylindrical rollers) are embedded into the rectangular block through combination of the side supporting plates 40, the upper supporting plates 48 and the lower supporting plates 49, and then the pressing cover is fixed to form a whole, so that the rigidity of the rectangular roller sliding block is increased, and the installation is convenient.

Further, the rectangular roller sliding block 7 is composed of a rectangular block 17, a gland 18, a gland bolt 19, a side cylindrical roller 23, a long cylindrical roller 24, a short cylindrical roller 25, a side supporting plate 40, a side positioning plate 41, a side screw 44, an upper supporting plate 48 and a lower supporting plate 49, the back 26 of the rectangular block is correspondingly provided with sliding block mounting holes 13 with the same number as the countersunk through holes 11, the front 27 of the rectangular block is provided with a rectangular groove 42 along the length direction, the positions of the upper and lower sides of the front of the rectangular block are respectively provided with a side positioning plate 41, the side positioning plate is fixedly mounted with the side screw hole 45 on the side through hole 43 through the side screw 44, the top edge of the rectangular groove is provided with an upper supporting plate 48, the bottom edge of the rectangular groove is provided with a lower supporting plate 49, the left side of the rectangular groove is provided with a side supporting plate 40, the space formed by the top surface of the side bearing plate and the bottom surface of the upper bearing plate is an upper ball groove 46, the space formed by the bottom surface of the side bearing plate and the top surface of a lower bearing plate 49 is a lower ball groove 47, the space formed by the right surface of the side bearing plate and the left surface of the upper bearing plate and the left surface of the lower bearing plate is a side ball groove 31, the side ball grooves are respectively intersected with the upper ball groove and the lower ball groove, the side ball groove is provided with side cylindrical rollers 23 fully distributed with the side ball grooves, the upper ball groove and the lower ball groove are provided with cylindrical rollers 24 fully distributed with the upper ball groove and the lower ball groove, the cylindrical rollers of the upper ball groove and the cylindrical rollers of the lower ball groove are correspondingly arranged, the cylindrical rollers and the side cylindrical rollers are alternately arranged at intervals, and each side cylindrical roller is arranged in the upper ball groove and the lower ball groove, Short cylindrical rollers 25 are correspondingly arranged on the lower ball groove, a gland 18 is respectively arranged on the front and the back of the rectangular block, the gland is fixedly arranged with a gland bolt hole 36 on the gland and a gland threaded hole 37 on the rectangular block 17 through a gland bolt 19, a glib screw hole 38 for installing glib connectors is arranged on the gland, the side cylindrical roller is fixed in the side ball groove through the gland, the long cylindrical roller and the short cylindrical roller are fixed in the upper ball groove and the lower ball groove through the gland, rolling bodies (such as the side cylindrical roller, the long cylindrical roller and the short cylindrical roller) are embedded into the rectangular block through the combination of the side supporting plate 40, the side positioning plate 41, the upper supporting plate 48 and the lower supporting plate 49, and then the rolling bodies are fixed into a whole through the gland, thereby being beneficial to increase the rigidity of the rectangular roller sliding block, is convenient for installation and mass production.

Further, the rectangular roller sliding block 7 is composed of a rectangular block 17, a gland 18, a gland bolt 19, a side cylindrical roller 23, a long cylindrical roller 24, a short cylindrical roller 25, a side supporting plate 40, a side positioning plate 41, a side screw 44, an upper supporting plate 48, a lower supporting plate 49, an adjusting screw 50 and an adjusting nut 51, the back 26 of the rectangular block is correspondingly provided with sliding block mounting holes 13 with the same number as the countersunk through holes 11, the front 27 of the rectangular block is provided with a rectangular groove 42 along the length direction, the upper and lower sides of the front of the rectangular block are respectively provided with a side positioning plate 41, the side positioning plate is fixedly mounted with the side screw hole 45 on the side through hole 43 through the side screw 44, the top edge of the rectangular groove is provided with an upper supporting plate 48, the bottom edge of the rectangular groove is provided with a lower supporting plate 49, the lower supporting plate is subjected to tightness adjustment on an adjusting threaded hole 52 through an adjusting screw 50, the adjusting screw is fixed through an adjusting nut after being adjusted, a side supporting plate 40 is arranged on the left side of the rectangular groove, a space formed by the top surface of the side supporting plate and the bottom surface of the upper supporting plate is an upper ball groove 46, a space formed by the bottom surface of the side supporting plate and the top surface of a lower supporting plate 49 is a lower ball groove 47, a space formed by the right surface of the side supporting plate, the left surface of the upper supporting plate and the left surface of the lower supporting plate is a side ball groove 31, the side ball grooves are respectively intersected with the upper ball groove and the lower ball groove, side cylindrical rollers 23 fully distributed with the side ball grooves are arranged on the side ball grooves, and long cylindrical rollers 24 fully distributed with the upper ball grooves and the lower ball grooves are arranged on the upper ball groove and the lower ball groove, the long cylindrical roller of the upper ball groove and the long cylindrical roller of the lower ball groove are arranged correspondingly; the long cylindrical rollers and the side cylindrical rollers are arranged in a staggered mode at intervals, each side cylindrical roller 23 is correspondingly provided with a short cylindrical roller 25 on an upper ball groove and a lower ball groove, the front and the back of the rectangular block are respectively provided with a gland 18, the gland is fixedly installed with a gland bolt hole 36 on the gland and a gland threaded hole 37 on the rectangular block through a gland bolt 19, the gland is provided with an oil nozzle threaded hole 38 for installing an oil nozzle joint, the side cylindrical rollers are fixed in the side ball grooves through the glands, the long cylindrical rollers and the short cylindrical rollers are fixed in the upper ball grooves and the lower ball grooves through the glands, rolling elements (such as the side cylindrical rollers, the long cylindrical rollers and the short cylindrical rollers) are embedded into the rectangular block through the combination of the side supporting plates 40, the side positioning plates 41, the upper supporting plate 48 and the lower supporting plate 49, and then the rectangular roller sliding block is fixed by the pressing cover to form a whole, so that the rigidity of the rectangular roller sliding block is favorably increased, the rectangular roller sliding block is convenient to mount and is convenient for mass production.

When the device is used, the slide block is arranged on the guide rail, then the tightness of the slide block can be adjusted, firstly, the rectangular roller slide block is adjusted leftwards or rightwards through the slide block adjusting screws on the two side edges of the support plate, and when a preset effect is achieved, the slide block fixing bolt is tightened; or the clearance between the inner side surface 14 and the back surface 26 can be measured by the feeler gauge, then a proper metal sheet is selected according to data and is placed in the clearance between the inner side surface and the back surface, then the slide block fixing bolt is tightened, the metal sheet can be installed in the clearance on the left side or the clearance on the right side or the left side and the right side simultaneously according to actual conditions, if the rectangular roller slide block is damaged or dust exists in the rectangular roller slide block, the whole slide block does not need to be detached, the rectangular roller slide block can be replaced or cleaned by detaching the slide block fixing bolt installed on the side edge of the support plate, if the guide rail is damaged, a support object can be used for supporting a part installed on the support plate and not falling down, the front and the back are well fixed, then the rectangular roller slide block installed on the slide block is detached, the guide rail is replaced with the well, the rectangular roller sliding block is debugged, so that the installation and the maintenance are convenient.

The utility model has the advantages that:

the tightness of the guide rail can be adjusted according to the load condition on the installation site, the structure is tight, the precision is high, the shock resistance is good, the rigidity is good, the installation, debugging, maintenance and replacement are convenient, and the processing and production are easy.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is an exploded view of a linear guide rail according to an embodiment of the present invention.

Fig. 2 is an exploded view of a rectangular roller block according to an embodiment of the present invention.

Fig. 3 is an exploded view of a rectangular roller block according to an embodiment of the present invention.

Fig. 4 is an exploded view of the three rectangular roller sliders according to the embodiment of the present invention.

Fig. 5 is an exploded view of the four rectangular roller sliders according to the embodiment of the present invention.

Fig. 6 is an exploded view of the five rectangular roller sliders according to the embodiment of the present invention.

Fig. 7 is an exploded view of a six-rectangle roller slider according to an embodiment of the present invention.

Fig. 8 is an exploded view of the seven-rectangle roller slider according to the embodiment of the present invention.

Fig. 9 is an exploded view of an eight-rectangular roller slider according to an embodiment of the present invention.

Fig. 10 is an exploded view of a nine-rectangle roller slider according to an embodiment of the present invention.

Fig. 11 is a schematic view of a partial structure of a six-embodiment seven-embodiment rectangular roller slider of the present invention.

Fig. 12 is a partial structural schematic diagram of a nine-rectangle roller slider according to an eighth embodiment of the present invention.

Fig. 13 is a schematic partial structural view of an eight-rectangular roller slider according to an embodiment of the present invention.

Fig. 14 is a partial schematic structural diagram of a nine-rectangle roller slider according to an embodiment of the present invention.

Wherein; 1. a guide rail; 2. a slider; 3. arranging a rectangular strip; 4. a lower rectangular bar; 5. a guide rail mounting hole; 6. a support plate; 7. a rectangular roller slider; 8. a slider fixing bolt; 9. adjusting screws by the sliding blocks; 10. installing a threaded hole; 11. countersunk through holes; 12. the slide block adjusts the screwed hole; 13. a slider mounting hole; 14. an inner side surface; 15. a large rectangular groove; 16. a small rectangular groove; 17. a rectangular block; 18. a gland; 19. a gland bolt; 23. a side cylindrical roller; 24. a long cylindrical roller; 25. a short cylindrical roller; 26. a back side; 27. a front side; 28. a groove; 29. a ball groove; 30. a side surface; 31. a side ball groove; 32. positioning a groove; 36. a gland bolt hole; 37. a gland threaded hole; 38. a nipple threaded hole; 39. a cylindrical roller; 40. a side support plate; 41. a side positioning plate; 42. a rectangular groove; 43. a side through hole; 44. side screws; 45. a side threaded bore; 46. an upper ball groove; 47. a lower ball groove; 48. an upper support plate; 49. a lower supporting plate; 50. adjusting screws; 51. adjusting the nut; 52. and adjusting the threaded hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 shows a linear guide rail, which includes a guide rail 1 and a slider 2, the slider is disposed on the guide rail, the guide rail is composed of an upper rectangular strip 3 and a lower rectangular strip 4, the upper rectangular strip is provided with at least two guide rail mounting holes 5 which are provided with countersunk holes and penetrate through the lower rectangular strip, the middle positions of the upper and lower surfaces of the upper rectangular strip are respectively provided with a large rectangular groove 15 along the length direction, and the large rectangular groove disposed below the upper rectangular strip is a large rectangular groove with a bottom edge; a small rectangular groove 16 is arranged on the large rectangular groove at the bottom edge, the lower rectangular strip is arranged on the small rectangular groove of the upper rectangular strip, at least one sliding block is sleeved on the upper rectangular strip, the sliding block consists of a bearing plate 6, a rectangular roller sliding block 7, a sliding block fixing bolt 8 and a sliding block adjusting screw 9, the shape of the bearing plate is at least door frame shape, the bearing plate is provided with at least two mounting threaded holes 10, two sides of the bearing plate are respectively provided with at least two, and symmetrical countersunk through holes 11 and sliding block adjusting threaded holes 12, two symmetrical rectangular roller sliding blocks 7 are arranged in the bearing plate, the rectangular roller sliding block is fixedly installed with the countersunk head through hole 11 and the sliding block installation hole 13 through a sliding block fixing bolt, and the tightness of the slide block adjusting threaded hole 12 can be adjusted through a slide block adjusting screw; therefore, the slide block is contacted with the left, right, upper and lower surfaces of the upper rectangular strip 3 when in motion, the contact surface between the guide rail and the slide block is large, and the slide block can bear large load, and the left, right, upper and lower surfaces of the upper rectangular strip 3 are vertical or parallel to each other, so the slide block is easy to process; the sliding blocks are assembled together, so that the debugging and the installation are convenient.

As shown in fig. 2, the rectangular roller slider is composed of a rectangular block 17, a gland 18, a gland bolt 19, side cylindrical rollers 23, long cylindrical rollers 24, short cylindrical rollers 25, a lower support plate 49, an adjusting screw 50 and an adjusting nut 51, slider mounting holes 13 with the same number as the countersunk through holes 11 are correspondingly arranged on the back 26 of the rectangular block, a groove 28 corresponding to the left shape of the upper rectangular strip is arranged on the front 27 of the rectangular block along the length direction, mutually parallel and mutually symmetrical ball grooves 29 are respectively arranged on the upper and lower sides of the groove, the ball grooves are communicated with the groove at the middle position, a side ball groove 31 is arranged on the side 30 of the groove, the side ball groove is communicated with the groove at the middle position, the side ball grooves are respectively intersected with the upper and lower ball grooves, the side cylindrical rollers 23 fully distributed in the side ball grooves are arranged on the side ball grooves, the upper and lower ball grooves are provided with long cylindrical rollers 24 which are fully distributed with the ball grooves, the long cylindrical rollers of the upper ball grooves are arranged corresponding to the long cylindrical rollers of the lower ball grooves, the long cylindrical rollers and the side cylindrical rollers are arranged at intervals in a staggered manner, each side cylindrical roller 23 is provided with a short cylindrical roller 25 on the upper and lower ball grooves respectively, the bottom edge of the ball groove on the bottom edge is provided with a positioning groove 32, the positioning groove is provided with a lower supporting plate 49, the lower supporting plate is subjected to tightness adjustment on an adjusting threaded hole 52 through an adjusting screw 50, and the adjusting screw is fixed through an adjusting nut 51 after being adjusted; the front and the back of the rectangular block are respectively provided with a gland 18, the gland is fixedly installed with a gland bolt hole 36 on the gland and a gland threaded hole 37 on the rectangular block through a gland bolt 19, the gland is provided with an oil nozzle threaded hole 38 for installing an oil nozzle joint, the side cylindrical roller is fixed in the side roller groove through the gland, the long cylindrical roller and the short cylindrical roller are fixed in the roller groove through the gland, and the rolling bodies (such as the side cylindrical roller, the long cylindrical roller and the short cylindrical roller) are embedded into the rectangular block and are fixed through the gland to form a whole, so that the rigidity of the rectangular roller sliding block is favorably increased, and the installation is convenient.

As shown in fig. 3, the rectangular roller slider is composed of a rectangular block 17, a gland 18, a gland bolt 19, side cylindrical rollers 23, long cylindrical rollers 24, short cylindrical rollers 25, a lower support plate 49, an adjusting screw 50 and an adjusting nut 51, slider mounting holes 13 with the same number as the countersunk through holes 11 are correspondingly arranged on the back 26 of the rectangular block, a groove 28 corresponding to the left shape of the upper rectangular strip is arranged on the front 27 of the rectangular block along the length direction, mutually parallel and mutually symmetrical ball grooves 29 are respectively arranged on the upper and lower sides of the groove, the ball grooves are communicated with the groove at the middle position, a side ball groove 31 is arranged on the side 30 of the groove, the side ball groove is communicated with the groove at the middle position, the side ball grooves are respectively intersected with the upper and lower ball grooves, the side cylindrical rollers 23 fully distributed in the side ball grooves are arranged on the side ball grooves, the upper and lower ball grooves are provided with long cylindrical rollers 24 fully distributed with the ball grooves, the long cylindrical rollers of the upper ball grooves and the long cylindrical rollers of the lower ball grooves are correspondingly arranged, the long cylindrical rollers and the side cylindrical rollers are arranged at intervals in a staggered manner, each side cylindrical roller 23 is provided with a short cylindrical roller 25 on the upper and lower ball grooves respectively, the bottom edge of the ball groove on the bottom edge is provided with a positioning groove 32 which is communicated with the side ball grooves, the positioning groove is provided with a lower supporting plate 49 which is subjected to tightness adjustment on an adjusting threaded hole 52 through an adjusting screw 50, the adjusting screw is fixed through an adjusting nut 51 after being adjusted, the front and the rear of the rectangular block are respectively provided with a gland 18, and the gland is connected with a gland bolt hole 36 on the gland through a gland bolt 19, Gland screw hole 37 fixed mounting on the rectangular block, the gland on be provided with glib talker screw hole 38 that installation glib connects usefulness, side cylindrical roller pass through the gland and fix at side cylindrical roller inslot, long cylindrical roller, short cylindrical roller pass through the gland and fix at the ball inslot, the rolling element (like side cylindrical roller, long cylindrical roller, short cylindrical roller) imbeds in the rectangular block, forms a whole through the gland is fixed, the rigidity of the favorable increase rectangular roller slider of this way, the installation of being convenient for.

As shown in fig. 4, the rectangular roller slider is composed of a rectangular block 17, a gland 18, a gland bolt 19, side cylindrical rollers 23, long cylindrical rollers 24 and short cylindrical rollers 25, the back 26 of the rectangular block is correspondingly provided with slider mounting holes 13 with the same number as the countersunk through holes 11, the front 27 of the rectangular block is provided with a groove 28 corresponding to the left side of the upper rectangular strip along the length direction, the upper and lower sides of the groove are respectively provided with a mutually parallel and symmetrical ball groove 29, the ball groove is communicated with the groove at the middle position, the side 30 of the groove is provided with a side ball groove 31, the side ball groove is communicated with the groove at the middle position, the side ball groove is respectively intersected with the upper and lower ball grooves, the side cylindrical rollers 23 fully distributed with the side ball groove are arranged on the side ball groove, the upper and lower ball grooves are provided with long cylindrical rollers 24 fully distributed with the ball grooves, the long cylindrical rollers of the upper ball groove and the long cylindrical rollers of the lower ball groove are arranged correspondingly, the long cylindrical rollers and the side cylindrical rollers are arranged in a staggered mode at intervals, each side cylindrical roller 23 is provided with a short cylindrical roller 25 correspondingly on the upper and lower ball grooves, the front and the rear of the rectangular block are respectively provided with a gland 18, the gland is fixedly installed with a gland bolt hole 36 on the gland and a gland threaded hole 37 on the rectangular block 17 through a gland bolt 19, the gland is provided with an oil nozzle threaded hole 38 for installing an oil nozzle joint, the side cylindrical rollers are fixed in the side ball grooves through the gland, the long cylindrical rollers and the short cylindrical rollers are fixed in the ball grooves through the gland, and rolling bodies (such as the side cylindrical rollers, Long cylindrical roller and short cylindrical roller) are embedded into the rectangular block and are fixed by the gland to form a whole, so that the rigidity of the rectangular roller sliding block is increased, and the installation is convenient.

As shown in fig. 5, the rectangular roller slider is composed of a rectangular block 17, a gland 18, gland bolts 19 and cylindrical rollers 39, the back 26 of the rectangular block is correspondingly provided with slider mounting holes 13 with the same number as the countersunk through holes 11, the front 27 of the rectangular block is provided with a groove 28 corresponding to the left side of the upper rectangular strip along the length direction, the upper side, the lower side and the left side of the groove are respectively provided with a ball groove 29 corresponding to the cross section shape of the cylindrical rollers, the middle part of the ball groove is communicated with the groove, the ball groove is provided with the cylindrical rollers 39 fully distributed with the ball grooves, the cylindrical rollers have large middle diameter and small diameter at two sides, the front and the back of the rectangular block are respectively provided with the gland 18, and the gland is fixedly installed with the gland bolt holes 36 on the gland and the gland threaded holes 37 on the rectangular block through the gland bolts 19, the oil nozzle threaded hole 38 for installing the oil nozzle joint is formed in the gland, the cylindrical roller is fixed in the ball groove through the gland, the rolling body (such as the cylindrical roller) is embedded into the rectangular block and is fixed through the gland to form a whole, so that the rigidity of the rectangular roller sliding block is favorably increased, and the installation is convenient.

As shown in fig. 6, the rectangular roller slider 7 is composed of a rectangular block 17, a gland 18, a gland bolt 19, a cylindrical roller 39, a lower support plate 49, an adjusting screw 50 and an adjusting nut 51, the back 26 of the rectangular block is correspondingly provided with slider mounting holes 13 with the same number as the countersunk through holes 11, the front 27 of the rectangular block is provided with a groove 28 corresponding to the left side of the upper rectangular strip along the length direction, the upper side, the lower side and the left side of the groove are respectively provided with a ball groove 29 corresponding to the cross section shape of the cylindrical roller, the middle part of the ball groove is communicated with the groove, the ball groove is provided with the cylindrical roller 39 fully distributed with the ball grooves, the cylindrical roller has a large middle diameter and small diameters at the two sides, the bottom edge of the ball groove at the bottom edge is provided with a positioning groove 32, the positioning groove is provided with the lower support plate 49, the lower supporting plate is subjected to tightness adjustment on an adjusting threaded hole 52 through an adjusting screw 50, the adjusting screw is fixed 51 through an adjusting nut after being adjusted, a gland 18 is respectively arranged on the front and the back of the rectangular block, the gland is fixedly installed with a gland bolt hole 36 on the gland and a gland threaded hole 37 on the rectangular block through a gland bolt 19, a nipple threaded hole 38 for installing a nipple joint is arranged on the gland, the cylindrical roller is fixed in the roller groove through the gland, a rolling body (such as a cylindrical roller) is embedded into the rectangular block and is fixed into a whole through the gland, and therefore the rigidity of the rectangular roller sliding block is increased, and the installation is facilitated.

As shown in fig. 7 and 11, the rectangular roller slider 7 is composed of a rectangular block 17, a gland 18, a gland bolt 19, a side cylindrical roller 23, a long cylindrical roller 24, a short cylindrical roller 25, a side support plate 40, an upper support plate 48 and a lower support plate 49, the back 26 of the rectangular block is correspondingly provided with slider mounting holes 13 with the same number as the countersunk through holes 11, the front 27 of the rectangular block is provided with a groove 28 corresponding to the left shape of the upper rectangular strip along the length direction, the top edge of the groove is provided with the upper support plate 48, the bottom edge of the groove is provided with the lower support plate 49, the left edge of the groove is provided with the side support plate 40, the space formed by the top surface of the side support plate and the bottom surface of the upper support plate is an upper ball groove 46, the space formed by the bottom surface of the side support plate and the top surface of the lower support plate 49 is a lower ball groove 47, the space formed by the right side of the side bearing plate, the left side of the upper bearing plate and the left side of the lower bearing plate is a side ball groove 31, the side ball groove is respectively intersected with the upper ball groove and the lower ball groove, and the side ball groove is provided with a side cylindrical roller 23 fully distributed in the side ball groove; the upper ball groove is provided with long cylindrical rollers 24 which are fully distributed with the upper ball groove, the lower ball groove is provided with long cylindrical rollers 24 which are fully distributed with the lower ball groove, and the long cylindrical rollers of the upper ball groove and the long cylindrical rollers of the lower ball groove are arranged correspondingly; the long cylindrical rollers and the side cylindrical rollers are arranged in a staggered mode at intervals, and each side cylindrical roller 23 is correspondingly provided with a short cylindrical roller 25 on the upper ball groove and the lower ball groove; the front and the back of the rectangular block are respectively provided with a gland 18, the gland is fixedly installed with a gland bolt hole 36 on the gland and a gland threaded hole 37 on the rectangular block through a gland bolt 19, the gland is provided with an oil nozzle threaded hole 38 for installing an oil nozzle joint, the side cylindrical roller is fixed in the side roller groove through the gland, the long cylindrical roller and the short cylindrical roller are fixed in the upper roller groove and the lower roller groove through the gland, the rolling bodies (such as the side cylindrical roller, the long cylindrical roller and the short cylindrical roller) are embedded into the rectangular block through the combination of the side supporting plate 40, the upper supporting plate 48 and the lower supporting plate 49, and then the rolling bodies are fixed into a whole through the gland, so that the rigidity of the rectangular roller sliding block is favorably increased, and the installation is convenient.

As shown in fig. 8 and 11, the rectangular roller slide block 7 is composed of a rectangular block 17, a gland 18, a gland bolt 19, a side cylindrical roller 23, a long cylindrical roller 24, a short cylindrical roller 25, a side support plate 40, an upper support plate 48, a lower support plate 49, an adjusting screw 50 and an adjusting nut 51, the back 26 of the rectangular block is correspondingly provided with slide block mounting holes 13 with the number equal to that of the countersunk through holes 11, the front 27 of the rectangular block is provided with a groove 28 with the shape corresponding to the left side of the upper rectangular bar along the length direction, the top side of the groove is provided with the upper support plate 48, the bottom side of the groove is provided with the lower support plate 49, the lower support plate is subjected to tightness adjustment on an adjusting threaded hole 52 by the adjusting screw, the screw is fixed by the adjusting nut 51 after adjustment, the left side of the groove is provided with the side support plate 40, the space formed by the top surface of the side bearing plate and the bottom surface of the upper bearing plate is an upper ball groove 46, the space formed by the bottom surface of the side bearing plate and the top surface of a lower bearing plate 49 is a lower ball groove 47, the space formed by the right surface of the side bearing plate, the left surface of the upper bearing plate and the left surface of the lower bearing plate is a side ball groove 31, the side ball grooves are respectively intersected with the upper ball groove and the lower ball groove, and the side ball grooves are provided with side cylindrical rollers 23 fully distributed in the side ball grooves; the upper ball groove and the lower ball groove are provided with long cylindrical rollers 24 which are fully distributed with the upper ball groove and the lower ball groove, and the long cylindrical rollers of the upper ball groove and the long cylindrical rollers of the lower ball groove are arranged correspondingly; the long cylindrical rollers and the side cylindrical rollers are arranged in a staggered mode at intervals, each side cylindrical roller 23 is correspondingly provided with a short cylindrical roller 25 on an upper ball groove and a lower ball groove, the front and the back of the rectangular block are respectively provided with a gland 18, the gland is fixedly installed with a gland bolt hole 36 on the gland and a gland threaded hole 37 on the rectangular block through a gland bolt 19, the gland is provided with an oil nozzle threaded hole 38 for installing an oil nozzle joint, the side cylindrical rollers are fixed in the side ball grooves through the glands, the long cylindrical rollers and the short cylindrical rollers are fixed in the upper ball grooves and the lower ball grooves through the glands, rolling bodies (such as the side cylindrical rollers, the long cylindrical rollers and the short cylindrical rollers) are embedded into the rectangular block through combination of the side supporting plates 40, the upper supporting plates 48 and the lower supporting plates 49, and then the pressing cover is fixed to form a whole, so that the rigidity of the rectangular roller sliding block is increased, and the installation is convenient.

As shown in fig. 9, 12 and 13, the rectangular roller sliding block 7 is composed of a rectangular block 17, a gland 18, a gland bolt 19, a side cylindrical roller 23, a long cylindrical roller 24, a short cylindrical roller 25, a side supporting plate 40, a side positioning plate 41, a side screw 44, an upper supporting plate 48 and a lower supporting plate 49, the back 26 of the rectangular block is correspondingly provided with sliding block mounting holes 13 with the same number as the countersunk head through holes 11, the front 27 of the rectangular block is provided with a rectangular groove 42 along the length direction, the positions of the upper and lower sides of the front of the rectangular block are respectively provided with a side positioning plate 41, the side positioning plate is fixedly mounted with the side screw holes 45 on the side through holes 43 through the side screws 44, the top edge of the rectangular groove is provided with an upper supporting plate 48, the bottom edge of the rectangular groove is provided with a lower supporting plate 49, the left side supporting plate 40 of the rectangular groove, the space formed by the top surface of the side bearing plate and the bottom surface of the upper bearing plate is an upper ball groove 46, the space formed by the bottom surface of the side bearing plate and the top surface of a lower bearing plate 49 is a lower ball groove 47, the space formed by the right surface of the side bearing plate and the left surface of the upper bearing plate and the left surface of the lower bearing plate is a side ball groove 31, the side ball grooves are respectively intersected with the upper ball groove and the lower ball groove, the side ball groove is provided with side cylindrical rollers 23 fully distributed with the side ball grooves, the upper ball groove and the lower ball groove are provided with cylindrical rollers 24 fully distributed with the upper ball groove and the lower ball groove, the cylindrical rollers of the upper ball groove and the cylindrical rollers of the lower ball groove are correspondingly arranged, the cylindrical rollers and the side cylindrical rollers are alternately arranged at intervals, and each side cylindrical roller is arranged in the upper ball groove and the lower ball groove, Short cylindrical rollers 25 are correspondingly arranged on the lower ball groove, a gland 18 is respectively arranged on the front and the back of the rectangular block, the gland is fixedly arranged with a gland bolt hole 36 on the gland and a gland threaded hole 37 on the rectangular block 17 through a gland bolt 19, a glib screw hole 38 for installing glib connectors is arranged on the gland, the side cylindrical roller is fixed in the side ball groove through the gland, the long cylindrical roller and the short cylindrical roller are fixed in the upper ball groove and the lower ball groove through the gland, rolling bodies (such as the side cylindrical roller, the long cylindrical roller and the short cylindrical roller) are embedded into the rectangular block through the combination of the side supporting plate 40, the side positioning plate 41, the upper supporting plate 48 and the lower supporting plate 49, and then the rolling bodies are fixed into a whole through the gland, thereby being beneficial to increase the rigidity of the rectangular roller sliding block, is convenient for installation and mass production.

As shown in fig. 10, 12 and 14, the rectangular roller sliding block 7 is composed of a rectangular block 17, a gland 18, a gland bolt 19, a side cylindrical roller 23, a long cylindrical roller 24, a short cylindrical roller 25, a side supporting plate 40, a side positioning plate 41, a side screw 44, an upper supporting plate 48, a lower supporting plate 49, an adjusting screw 50 and an adjusting nut 51, the back surface 26 of the rectangular block is correspondingly provided with sliding block mounting holes 13 with the same number as the countersunk head through holes 11, the front surface 27 of the rectangular block is provided with a rectangular groove 42 along the length direction, the upper and lower sides of the front surface of the rectangular block are respectively provided with a side positioning plate 41, the side positioning plate is fixedly mounted with the side screw holes 45 on the side through holes 43 through the side screws 44, the top edge of the rectangular groove is provided with an upper supporting plate 48, the bottom edge of the rectangular groove is provided with a lower supporting plate 49, the lower supporting plate is subjected to tightness adjustment on an adjusting threaded hole 52 through an adjusting screw 50, the adjusting screw is fixed through an adjusting nut after being adjusted, a side supporting plate 40 is arranged on the left side of the rectangular groove, a space formed by the top surface of the side supporting plate and the bottom surface of the upper supporting plate is an upper ball groove 46, a space formed by the bottom surface of the side supporting plate and the top surface of a lower supporting plate 49 is a lower ball groove 47, a space formed by the right surface of the side supporting plate, the left surface of the upper supporting plate and the left surface of the lower supporting plate is a side ball groove 31, the side ball grooves are respectively intersected with the upper ball groove and the lower ball groove, side cylindrical rollers 23 fully distributed with the side ball grooves are arranged on the side ball grooves, and long cylindrical rollers 24 fully distributed with the upper ball grooves and the lower ball grooves are arranged on the upper ball groove and the lower ball groove, the long cylindrical roller of the upper ball groove and the long cylindrical roller of the lower ball groove are arranged correspondingly; the long cylindrical rollers and the side cylindrical rollers are arranged in a staggered mode at intervals, each side cylindrical roller 23 is correspondingly provided with a short cylindrical roller 25 on an upper ball groove and a lower ball groove, the front and the back of the rectangular block are respectively provided with a gland 18, the gland is fixedly installed with a gland bolt hole 36 on the gland and a gland threaded hole 37 on the rectangular block through a gland bolt 19, the gland is provided with an oil nozzle threaded hole 38 for installing an oil nozzle joint, the side cylindrical rollers are fixed in the side ball grooves through the glands, the long cylindrical rollers and the short cylindrical rollers are fixed in the upper ball grooves and the lower ball grooves through the glands, rolling elements (such as the side cylindrical rollers, the long cylindrical rollers and the short cylindrical rollers) are embedded into the rectangular block through the combination of the side supporting plates 40, the side positioning plates 41, the upper supporting plate 48 and the lower supporting plate 49, and then the rectangular roller sliding block is fixed by the pressing cover to form a whole, so that the rigidity of the rectangular roller sliding block is favorably increased, the rectangular roller sliding block is convenient to mount and is convenient for mass production.

When the device is used, the slide block is arranged on the guide rail, then the tightness of the slide block can be adjusted, firstly, the rectangular roller slide block is adjusted leftwards or rightwards through the slide block adjusting screws on the two side edges of the support plate, and when a preset effect is achieved, the slide block fixing bolt is tightened; or the clearance between the inner side surface 14 and the back surface 26 can be measured through the feeler gauge, then a proper metal sheet is selected according to data and placed into the clearance between the inner side surface and the back surface, and then the sliding block fixing bolt is tightened; the metal sheet can be installed in the left gap or the right gap according to actual conditions, or the left side and the right side can be installed simultaneously, if the rectangular roller slide block is damaged or dust exists in the rectangular roller slide block, the whole slide block does not need to be detached, the rectangular roller slide block can be replaced or cleaned by detaching the slide block fixing bolt installed on the side edge of the supporting plate, if the guide rail is damaged, a supporting object can be used for propping against a part installed on the supporting plate so that the part does not fall down, the front and the back are fixed well, then the rectangular roller slide block installed on the slide block is detached, then the guide rail is detached, the guide rail is replaced with the well-installed guide rail, and then the rectangular roller slide block is newly installed and debugged, so that.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, and for those skilled in the art, the present invention can be variously modified and changed, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a linear guide, includes guide rail, slider, and the slider setting is on the guide rail, its characterized in that: the guide rail consists of an upper rectangular strip and a lower rectangular strip, wherein the upper rectangular strip is provided with at least two guide rail mounting holes which are provided with countersunk holes and penetrate through the lower rectangular strip; the middle positions of the upper surface and the lower surface of the upper rectangular strip are respectively provided with a large rectangular groove along the length direction, and the large rectangular groove arranged below the upper rectangular strip is a large rectangular groove with the bottom edge; a small rectangular groove is formed in the large rectangular groove at the bottom edge, the lower rectangular strip is arranged at the position of the small rectangular groove of the upper rectangular strip, and at least one sliding block is sleeved on the upper rectangular strip; the sliding block is composed of a bearing plate, rectangular roller sliding blocks, sliding block fixing bolts and sliding block adjusting screws, the bearing plate is at least door frame-shaped, at least two mounting threaded holes are formed in the bearing plate, at least two countersunk holes and sliding block adjusting threaded holes are formed in two side edges of the bearing plate respectively and are symmetrical, the two symmetrical rectangular roller sliding blocks are mounted in the bearing plate, the rectangular roller sliding blocks are fixedly mounted with the countersunk holes and the sliding block mounting holes through the sliding block fixing bolts, and the sliding block adjusting threaded holes can be subjected to tightness adjustment through the sliding block adjusting screws.