CN112901659A - Sliding assembly for ultra-precise hydrostatic guide rail - Google Patents
Sliding assembly for ultra-precise hydrostatic guide rail Download PDFInfo
- Publication number
- CN112901659A CN112901659A CN202110036573.XA CN202110036573A CN112901659A CN 112901659 A CN112901659 A CN 112901659A CN 202110036573 A CN202110036573 A CN 202110036573A CN 112901659 A CN112901659 A CN 112901659A
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- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 21
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 14
- 238000003754 machining Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 123
- 239000010687 lubricating oil Substances 0.000 description 12
- 238000009826 distribution Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000002627 tracheal intubation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
- F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
- F16C32/0651—Details of the bearing area per se
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/017—Arrangements of ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
- B23Q1/38—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members using fluid bearings or fluid cushion supports
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
- F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
- F16C32/0651—Details of the bearing area per se
- F16C32/0655—Details of the bearing area per se of supply openings
Abstract
The invention discloses a sliding assembly for an ultra-precise hydrostatic guideway, and relates to the technical field of precise part processing. The L-shaped guide rail mounting device comprises an L-shaped guide rail base and a mounting platform, wherein the mounting platform mainly comprises a connecting plate, a movable block and a U-shaped limiting plate, and the connecting plate and the U-shaped limiting plate are respectively integrally arranged on the upper surface and the lower surface of the movable block; the central point of movable block puts and is provided with circular logical groove, is provided with circular oil pocket on the inside wall that circular leads to the groove, and the movable block of circular oil pocket axis middle part position goes up to be provided with a plurality of second oil outlet pipes along the circumference equipartition, and a plurality of second oil outlet pipes all are the intercommunication setting with circular defeated oil pipe. According to the oil pipe installation device, the installation platform, the circular oil conveying pipe, the circular oil cavity, the rectangular oil cavity, the L-shaped oil conveying pipe, the first inserting plate, the first inserting groove, the second inserting plate, the second inserting groove and the fixing pin are arranged and the components are matched, so that the oil pipe installation device is more convenient to arrange, oil supply is more stable, meanwhile, the oil pipe installation device can be used for machining different parts, and the practicability is wider.
Description
Technical Field
The invention belongs to the technical field of precision part machining, and particularly relates to a sliding assembly for an ultra-precision hydrostatic guideway, which is mainly used for the movement function in precision part machining.
Background
Compared with the traditional linear guide rail, the hydrostatic guide rail has the advantages that the change of the motion speed of the guide rail has little influence on the thickness of the oil film, the change of the bearing load has little influence on the thickness of the oil film, the friction coefficient of the liquid friction is only about 0.005, the vibration resistance of the oil film is good, and the like, so the application of the hydrostatic guide rail on precise and ultra-precise machine tools is more and more extensive, but the prior hydrostatic guide rail still has the following defects:
1. when the existing hydrostatic guideway is used, an oil pipe in a sliding assembly is complicated, and each oil cavity is provided with one oil pipe, so that the lubricating oil in the whole sliding assembly is not uniformly supplied, and the hydrostatic guideway still has increased resistance in the use process, and even the sliding assembly is stuck in practical use, for example, in the existing publication CN206702608U, a hydrostatic guideway for an ultra-precision lathe is disclosed to comprise a guideway, a guideway base and an oil supply system, wherein the guideway base is arranged on the guideway and can slide along the guideway, and the oil supply system is used for supplying oil to the guideway base; the device improves the repeated positioning precision of the tailstock, further improves the coaxiality of the headstock and the tailstock at the two ends of the clamping workpiece, and reduces the rotation error of the roller die on a machine tool;
although the friction coefficient of the sliding assembly during operation can be effectively reduced, the problem of uneven oil supply inside the device is easily caused due to the fact that the number of oil pipes inside the sliding assembly is large;
2. the existing sliding assemblies are mostly integrally formed, and cannot be suitable for fixing and moving different parts when in use, and in actual production, workers need to select corresponding sliding assemblies according to the difference of the parts, so that great inconvenience is brought to the use of the workers;
therefore, there is a need for improvement of the prior art, which solves the above technical problems.
Disclosure of Invention
The invention aims to provide a sliding assembly for an ultra-precise hydrostatic guideway, which has simple and convenient oil pipe layout and stable oil supply and can be used for processing different parts, and solves the problems that the oil supply is unstable due to the complex layout of the oil pipe in the existing sliding assembly for the hydrostatic guideway and the existing sliding assembly for the hydrostatic guideway cannot be applied to processing different parts.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a sliding assembly for an ultra-precise hydrostatic guideway, which comprises an L-shaped guideway base and an installation platform, wherein the installation platform mainly comprises a connecting plate, a movable block and a U-shaped limiting plate, and the connecting plate and the U-shaped limiting plate are respectively arranged on the upper surface and the lower surface of the movable block in an integrated manner;
a circular through groove is formed in the center of the movable block, a circular oil cavity is formed in the inner side wall of the circular through groove, a plurality of first oil outlet pipes are uniformly distributed on the movable block in the middle of the axis of the circular oil cavity along the circumferential direction, and the first oil outlet pipes are communicated with the circular oil conveying pipe;
the upper end of the circular oil conveying pipe is communicated and connected with a bar-shaped oil conveying pipe, two sides of the lower end of the circular oil conveying pipe are symmetrically communicated and connected with an L-shaped oil conveying pipe, the other end of the bar-shaped oil conveying pipe is communicated and connected with the middle part of the oil inlet pipe, the other end of the L-shaped oil conveying pipe is communicated and arranged with the rectangular oil cavities, and the two rectangular oil cavities are symmetrically arranged on two inner side walls of the U-shaped limiting plate;
the circular oil delivery pipe, the strip-shaped oil delivery pipe and the oil inlet pipe are all arranged inside the movable block, and meanwhile, the L-shaped oil delivery pipe is arranged in the U-shaped limiting plate;
the oil inlet pipe is arranged along the axial direction of the circular oil cavity, and the movable blocks at the two ends of the oil inlet pipe are provided with internal thread through holes which are used for the spiral sleeve joint of a sealing bolt and/or a connecting pipe;
two ends of one side surface of the connecting plate are symmetrically provided with first inserting plates, and two ends of the other side surface of the connecting plate are symmetrically provided with first inserting grooves; a first through groove is formed in the position, perpendicular to the opening end of the first slot, of the connecting plate at the position of the first slot, and a second through groove is formed in the first inserting plate;
the first slot is used for sliding and sleeving the first inserting plate, and meanwhile, the first through slot and the second through slot are matched and fixed through a fixing pin;
second inserting plates are symmetrically arranged on two sides below one end face of the U-shaped limiting plate, and second inserting grooves are symmetrically arranged on two sides below the other end face of the U-shaped limiting plate; an internal thread blind groove is arranged on the U-shaped limiting plate at the position of the second slot, which is perpendicular to the opening end of the second slot, and a third through groove is arranged on the second plug board;
the second slot is used for sliding and sleeving the second inserting plate, and meanwhile, the internal thread blind groove and the third penetrating groove are matched and fixed through the fixing bolt.
Furthermore, a first throttle is fixedly mounted on the bar-shaped oil delivery pipe, and a second throttle is fixedly mounted on the L-shaped oil delivery pipe.
Furthermore, the circular oil cavity and the circular through groove are eccentrically arranged with each other, and the circle center of the circular oil cavity is positioned above the circle center of the circular through groove.
Furthermore, the middle parts of the two outer side walls of the U-shaped limiting plate are fixedly connected with second oil outlet pipes, the two second oil outlet pipes are communicated with the two L-shaped oil delivery pipes respectively, and sealing sleeves are arranged on the second oil outlet pipes in a matched mode.
Furthermore, the outer wall of the second oil outlet pipe is provided with a first external thread, the inner wall of the sealing sleeve is provided with an internal thread, and the first external thread on the second oil outlet pipe is in spiral fit with the internal thread on the sealing sleeve.
Furthermore, one end of the connecting pipe is integrally provided with an insertion pipe, and the outer wall of the other end, opposite to the insertion pipe, of the connecting pipe is provided with a second external thread; the second external thread is used for being in threaded fit with the internal thread through hole.
Furthermore, the intubation tube is movably inserted into one end of the oil inlet tube on the adjacent movable block, and a sealing ring is sleeved on the intubation tube matched with the adjacent movable block in a sliding mode.
Furthermore, a circular guide post is arranged on a vertical plate of the L-shaped guide rail base along the horizontal direction, and meanwhile, a rectangular guide plate is arranged on the top surface of a horizontal plate of the L-shaped guide rail base and is parallel to the circular guide post; circular guide post is used for with circular logical groove clearance fit, the rectangle deflector is used for with U-shaped limiting plate clearance fit simultaneously.
Furthermore, a supporting plate is arranged on one side of the free end of the circular guide column, the lower end of the supporting plate is matched and fixed with the L-shaped guide rail base through a locking bolt, a limiting sleeve is arranged on one side face, close to the circular guide column, of the supporting plate, and the limiting sleeve is sleeved on one end of the circular guide column in a sliding mode.
The invention has the following beneficial effects:
1. according to the invention, through the arrangement of the circular oil delivery pipe, oil can be simultaneously supplied to the circular oil cavity from the second oil outlet pipe on the circular oil delivery pipe, and the L-shaped oil delivery pipes on the two sides of the lower end of the circular oil delivery pipe can simultaneously supply oil to the circular oil delivery pipe and the rectangular oil cavity, so that the oil supply in each oil cavity can be more uniform and stable while the number of pipelines arranged in the mounting table is reduced, meanwhile, the circular oil cavity and the circular through groove are eccentrically arranged, the flowing speed of lubricating oil from the upper end to the lower end of the circular oil cavity can be increased, the distribution of the lubricating oil in the circular oil cavity is more uniform, the T-shaped arrangement of the traditional sliding assembly is replaced by the arrangement of the circular through groove, the number of the oil cavities can be reduced, and the blocking during the operation can be avoided.
2. According to the invention, the upper ends of the two installation platforms can be connected by the insertion between the first insertion plate and the first slot and the fixation of the fixing pin, the lower ends of the two installation platforms can be connected by the insertion between the second insertion plate and the second slot and the fixation of the fixing bolt, and the connection of the oil inlet pipe between the two adjacent installation platforms can be realized by the arrangement of the connecting pipe, so that lubricating oil can conveniently flow into the other installation platform from one installation platform, and the size of the installation platform can be adjusted according to the requirement, so that the device can conveniently process different parts.
Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the overall structure of the mounting table of the present invention;
FIG. 3 is a right side view of the mounting table of the present invention;
FIG. 4 is a vertical cross-sectional view of the mounting table of the present invention;
FIG. 5 is an assembly view of a plurality of mounting stations of the present invention;
FIG. 6 is an exploded view of a plurality of mounting stations of the present invention;
FIG. 7 is an enlarged view taken at A of FIG. 6 in accordance with the present invention;
fig. 8 is an enlarged view of the invention at B in fig. 6.
In the drawings, the components represented by the respective reference numerals are listed below:
1. an L-shaped guide rail base; 2. a support plate; 3. an installation table; 4. a circular guide post; 101. a rectangular guide plate; 102. locking the bolt; 301. a connecting plate; 302. a movable block; 303. a U-shaped limiting plate; 304. a seal bolt; 305. a connecting pipe; 306. a fixing pin; 3011. a first slot; 3012. a first through groove; 3013. a first board insert; 3014. a second through groove; 3021. a circular through groove; 3022. an oil inlet pipe; 3023. a first restrictor; 3024. a circular oil delivery pipe; 3025. a circular oil chamber; 3026. a first oil outlet pipe; 3027. an internally threaded through bore; 3028. a strip-shaped oil delivery pipe; 3031. a second slot; 3032. a second board plug; 3033. an L-shaped oil delivery pipe; 3034. a second choke; 3035. a second oil outlet pipe; 3036. a rectangular oil chamber; 3037. sealing sleeves; 3038. fixing the bolt; 3039. an internal thread blind groove; 30310. a third through groove; 3051. a second external thread; 3052. inserting a tube; 3053. and (5) sealing rings.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-4, the invention is a sliding assembly for an ultra-precise hydrostatic guideway, comprising an L-shaped guideway base 1 and a mounting platform 3, wherein the basic structure of the device is formed by the above components, the mounting platform 3 mainly comprises a connecting plate 301, a movable block 302 and a U-shaped limiting plate 303, and the connecting plate 301 and the U-shaped limiting plate 303 are respectively integrally formed on the upper and lower surfaces of the movable block 302;
a circular through groove 3021 is formed in the center of the movable block 302, a circular oil chamber 3025 is formed in the inner side wall of the circular through groove 3021, a plurality of first oil outlet pipes 3026 are uniformly distributed on the movable block 302 in the middle of the axis of the circular oil chamber 3025 along the circumferential direction, and the plurality of first oil outlet pipes 3026 are all communicated with the circular oil delivery pipe 3024; the circular oil cavity 3025 and the circular through groove 3021 are eccentrically arranged with each other, and the center of the circular oil cavity 3025 is located above the center of the circular through groove 3021, so that the gap between the circular guide post 4 and the lower end of the circular through groove 3021 can be reduced, the lowering speed of the lubricating oil is reduced, and the oil distribution in the circular through groove 3021 is more stable;
the upper end of the circular oil delivery pipe 3024 is connected with a bar-shaped oil delivery pipe 3028 in a communicating manner, the two sides of the lower end of the circular oil delivery pipe 3024 are symmetrically connected with an L-shaped oil delivery pipe 3033 in a communicating manner, the other end of the bar-shaped oil delivery pipe 3028 is connected to the middle of the oil inlet pipe 3022 in a communicating manner, the other end of the L-shaped oil delivery pipe 3033 is connected with a rectangular oil cavity 3036 in a communicating manner, and the two rectangular oil cavities 3036 are symmetrically arranged on the two inner side walls of;
the circular oil delivery pipe 3024, the strip-shaped oil delivery pipe 3028, and the oil inlet pipe 3022 are all disposed inside the movable block 302, and the L-shaped oil delivery pipe 3033 is disposed in the U-shaped limiting plate 303; a first throttling device 3023 is fixedly arranged on the strip-shaped oil delivery pipe 3028, a second throttling device 3034 is fixedly arranged on the L-shaped oil delivery pipe 3033, and the arrangement of the first throttling device 3023 and the second throttling device 3034 can realize the circulation speed of lubricating oil in the circular oil delivery pipe 3024 and the L-shaped oil delivery pipe 3033;
the middle parts of the two outer side walls of the U-shaped limiting plate 303 are fixedly connected with second oil outlet pipes 3035, the two second oil outlet pipes 3035 are respectively communicated with the two L-shaped oil conveying pipes 3033, and sealing sleeves 3037 are arranged on the second oil outlet pipes 3035 in a matching manner;
the outer wall of the second oil outlet pipe 3035 is provided with a first external thread, the inner wall of the sealing sleeve 3037 is provided with an internal thread, the first external thread on the second oil outlet pipe 3035 is in screw fit with the internal thread on the sealing sleeve 3037, and the sealing of the free end of the second oil outlet pipe 3035 can be realized by the arrangement of the sealing sleeve 3037, so that the circulation direction of lubricating oil can be controlled when a plurality of mounting platforms 3 are synchronously used;
the working principle of the arrangement is that the lubricating oil entering through the internal thread through hole 3027 sequentially passes through the oil inlet pipe 3022 and the strip-shaped oil delivery pipe 3028 to be delivered into the circular oil delivery pipe 3024 and the L-shaped oil delivery pipe 3033, wherein the lubricating oil entering into the circular oil delivery pipe 3024 enters into the circular oil cavity 3025 through the first oil outlet pipe 3026, and the lubricating oil entering into the L-shaped oil delivery pipe 3033 enters into the rectangular oil cavity 3036, so that oil distribution between the circular guide post 4 and the rectangular guide plate 101 and the mounting table 3 is realized, and the lubricating oil after oil distribution returns to the oil supply system through the second oil outlet pipe 3035, so that the circulation of the lubricating oil is realized.
As shown in fig. 2-3 and 5-8, two ends of one side surface of the connection plate 301 are symmetrically provided with first inserting plates 3013, and two ends of the other side surface of the connection plate 301 are symmetrically provided with first inserting slots 3011; a first through groove 3012 is arranged at a position, perpendicular to the opening end of the first slot 3011, on the connecting plate 301 at the position of the first slot 3011, and a second through groove 3014 is arranged on the first inserting plate 3013; the first slot 3011 is used for sliding and sleeving the first plug-in board 3013, and meanwhile, the first through slot 3012 and the second through slot 3014 are fixed in a matching manner through the fixing pin 306, and the arrangement can realize fixed connection and detachment of the upper ends of the two installation platforms 3;
two sides below one end face of the U-shaped limiting plate 303 are symmetrically provided with second inserting plates 3032, and two sides below the other end face of the U-shaped limiting plate 303 are symmetrically provided with second inserting grooves 3031; an internal thread blind groove 3039 is arranged on the U-shaped limiting plate 303 at the position of the second slot 3031 and is vertical to the opening end of the second slot 3031, and a third penetrating groove 30310 is arranged on the second inserting plate 3032;
the second slot 3031 is used for sliding sleeving of the second inserting plate 3032, and meanwhile, the internal thread blind slot 3039 and the third penetrating slot 30310 are matched and fixed through the fixing bolt 3038, so that the fixed connection and the disassembly of the lower ends of the two mounting tables 3 can be realized;
the working principle of the arrangement is that the first inserting plate 3013 is inserted into the first inserting groove 3011, the first penetrating groove 3012 and the second penetrating groove 3014 are matched with each other to be fixed through the fixing pin 306, the second inserting plate 3032 is inserted into the second inserting groove 3031, the inner thread blind groove 3039 and the third penetrating groove 30310 are matched with each other to be fixed through the fixing bolt 3038, the arrangement can achieve the matching and fixing among the plurality of mounting tables 3, and therefore workers can conveniently adjust the number of the mounting tables 3 according to the requirements of parts.
Referring to fig. 2 and 6-8, the oil inlet pipe 3022 is disposed along the axial direction of the circular oil cavity 3025, and the movable blocks 302 at the two ends of the oil inlet pipe 3022 are both provided with an internal threaded through hole 3027, the internal threaded through hole 3027 is used for screw-coupling of the sealing bolt 304 and/or the connecting pipe 305, and the sealing bolt 304 is disposed such that when oil enters the internal threaded through hole 3027 at one side of the mounting table 3, the other internal threaded through hole 3027 is closed;
an insertion pipe 3052 is integrally formed at one end of the connecting pipe 305, and a second external thread 3051 is arranged on the outer wall of the other end of the connecting pipe 305 opposite to the insertion pipe 3052; the second external thread 3051 is used for being spirally matched with the internal thread through hole 3027;
the insertion pipe 3052 is movably inserted into one end of the oil inlet pipe 3022 on the adjacent movable block 302, and a sealing ring 3053 is also slidably sleeved on the insertion pipe 3052 for being matched with the adjacent movable block 302;
according to the working principle of the arrangement, when two mounting platforms 3 are assembled, the connecting pipe 305 is installed in one internal thread through hole 3027 on one mounting platform 3, the inserting pipe 3052 is inserted into the internal thread through hole 3027 on the other mounting platform 3, oil transfer bridging between the two mounting platforms 3 is achieved, and when the sealing ring 3053 is arranged, sealing between the two mounting platforms 3 can be achieved.
Referring to fig. 1, a circular guide post 4 is arranged on a vertical plate of an L-shaped guide rail base 1 along the horizontal direction, and a rectangular guide plate 101 is arranged on the top surface of the horizontal plate of the L-shaped guide rail base 1 in parallel with the circular guide post 4; the circular guide column 4 is in clearance fit with the circular through groove 3021, the rectangular guide plate 101 is in clearance fit with the U-shaped limiting plate 303, and the circular guide column 4 and the rectangular guide plate 101 are arranged in a matched manner, so that the effect of limiting and guiding the movement of the mounting table 3 can be achieved;
free end one side of circular guide post 4 is provided with backup pad 2, the lower extreme of backup pad 2 passes through locking bolt 102 and L shape guide rail base 1 cooperation is fixed, backup pad 2 is provided with stop collar (the drawing is not drawn) on being close to a side of circular guide post 4, stop collar slip cover closes at circular guide post 4 one end, this setting can make things convenient for a plurality of mount tables 3 to assemble, during the use, only need twist off locking bolt 102 and dismantle backup pad 2, and will need the mount table 3 cooperation of assembly on L shape guide rail base 1, and finally fix backup pad 2 can be in order to accomplish the operation on L shape guide rail base 1.
The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.
Claims (9)
1. The utility model provides an ultra-precise hydrostatic guideway is with subassembly that slides, includes L shape guide rail base (1) and mount table (3), its characterized in that: the mounting table (3) mainly comprises a connecting plate (301), a movable block (302) and a U-shaped limiting plate (303), and the connecting plate (301) and the U-shaped limiting plate (303) are respectively arranged on the upper surface and the lower surface of the movable block (302) in an integrated manner;
a circular through groove (3021) is formed in the center of the movable block (302), a circular oil cavity (3025) is formed in the inner side wall of the circular through groove (3021), a plurality of first oil outlet pipes (3026) are uniformly distributed on the movable block (302) in the middle of the axis of the circular oil cavity (3025) along the circumferential direction, and the plurality of first oil outlet pipes (3026) are communicated with the circular oil delivery pipe (3024);
the upper end of the round oil delivery pipe (3024) is connected with a bar-shaped oil delivery pipe (3028) in a communicating manner, two sides of the lower end of the round oil delivery pipe (3024) are connected with an L-shaped oil delivery pipe (3033) in a communicating manner, the other end of the bar-shaped oil delivery pipe (3028) is connected to the middle of the oil inlet pipe (3022) in a communicating manner, the other end of the L-shaped oil delivery pipe (3033) is communicated with a rectangular oil cavity (3036), and the two rectangular oil cavities (3036) are symmetrically arranged on two inner side walls of the U-shaped limiting plate (303;
the round oil delivery pipe (3024), the strip oil delivery pipe (3028) and the oil inlet pipe (3022) are all arranged inside the movable block (302), and the L-shaped oil delivery pipe (3033) is arranged in the U-shaped limiting plate (303);
the oil inlet pipe (3022) is arranged along the axial direction of the circular oil cavity (3025), the movable blocks (302) at the two ends of the oil inlet pipe (3022) are provided with internal thread through holes (3027), and the internal thread through holes (3027) are used for the screw socket joint of the sealing bolt (304) and/or the connecting pipe (305);
two ends of one side surface of the connecting plate (301) are symmetrically provided with first inserting plates (3013), and two ends of the other side surface of the connecting plate (301) are symmetrically provided with first inserting grooves (3011); a first through groove (3012) is arranged at a position, perpendicular to the opening end of the first slot (3011), on the connecting plate (301) at the position of the first slot (3011), and a second through groove (3014) is arranged on the first inserting plate (3013);
the first slot (3011) is used for sliding and sleeving the first inserting plate (3013), and meanwhile, the first through slot (3012) and the second through slot (3014) are matched and fixed through a fixing pin (306);
two sides below one end face of the U-shaped limiting plate (303) are symmetrically provided with second inserting plates (3032), and two sides below the other end face of the U-shaped limiting plate (303) are symmetrically provided with second inserting grooves (3031); an internal thread blind groove (3039) is arranged on the U-shaped limiting plate (303) at the position of the second slot (3031) and is vertical to the opening end of the second slot (3031), and a third through groove (30310) is arranged on the second inserting plate (3032);
the second slot (3031) is used for sliding and sleeving the second inserting plate (3032), and meanwhile, the internal thread blind slot (3039) and the third penetrating slot (30310) are matched and fixed through a fixing bolt (3038).
2. A sliding assembly for an ultra-precise hydrostatic guideway as claimed in claim 1, wherein the strip-shaped oil pipe (3028) is fixedly provided with a first restrictor (3023), and the L-shaped oil pipe (3033) is fixedly provided with a second restrictor (3034).
3. The sliding assembly for the ultra-precise hydrostatic guideway according to claim 1, wherein the circular oil chamber (3025) and the circular through groove (3021) are eccentrically disposed from each other, and the center of the circular oil chamber (3025) is located above the center of the circular through groove (3021).
4. The sliding assembly for the ultra-precise hydrostatic guideway according to claim 1, wherein a second oil outlet pipe (3035) is fixedly connected to the middle portion of each of the two outer side walls of the U-shaped limiting plate (303), the two second oil outlet pipes (3035) are respectively communicated with the two L-shaped oil conveying pipes (3033), and a sealing sleeve (3037) is cooperatively arranged on each of the second oil outlet pipes (3035).
5. The sliding assembly for the ultra-precise hydrostatic guideway of claim 4, wherein the outer wall of the second oil outlet pipe (3035) is provided with a first external thread, the inner wall of the sealing sleeve (3037) is provided with an internal thread, and the first external thread on the second oil outlet pipe (3035) is in screw fit with the internal thread on the sealing sleeve (3037).
6. The sliding assembly for the ultra-precise hydrostatic guideway of claim 1, wherein one end of the connecting pipe (305) is integrally provided with an insertion pipe (3052), and the outer wall of the connecting pipe (305) opposite to the other end provided with the insertion pipe (3052) is provided with a second external thread (3051); the second external thread (3051) is used for spirally matching with the internal thread through hole (3027).
7. A runner assembly for an ultra-precise hydrostatic guideway as claimed in claim 6, wherein the spigot (3052) is movably inserted into one end of the oil inlet pipe (3022) of the adjacent movable block (302), and the spigot (3052) for engaging with the adjacent movable block (302) is slidably fitted with the seal ring (3053).
8. The sliding assembly for the ultra-precise hydrostatic guideway of claim 1, wherein the vertical plate of the L-shaped guideway base (1) is provided with a circular guide post (4) along the horizontal direction, and the top surface of the horizontal plate of the L-shaped guideway base (1) is provided with a rectangular guide plate (101) parallel to the circular guide post (4); the circular guide post (4) is used for being in clearance fit with the circular through groove (3021), and meanwhile, the rectangular guide plate (101) is used for being in clearance fit with the U-shaped limiting plate (303).
9. The sliding assembly for the ultra-precise hydrostatic guideway according to claim 8, wherein a supporting plate (2) is disposed at one side of the free end of the circular guiding column (4), the lower end of the supporting plate (2) is fixed to the L-shaped guideway base (1) by a locking bolt (102), and a position-limiting sleeve is disposed on one side of the supporting plate (2) close to the circular guiding column (4), and is slidably sleeved on one end of the circular guiding column (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110036573.XA CN112901659B (en) | 2021-01-12 | 2021-01-12 | Sliding assembly for ultra-precise hydrostatic guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110036573.XA CN112901659B (en) | 2021-01-12 | 2021-01-12 | Sliding assembly for ultra-precise hydrostatic guide rail |
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| Publication Number | Publication Date |
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| CN112901659A true CN112901659A (en) | 2021-06-04 |
| CN112901659B CN112901659B (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110036573.XA Expired - Fee Related CN112901659B (en) | 2021-01-12 | 2021-01-12 | Sliding assembly for ultra-precise hydrostatic guide rail |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117307609A (en) * | 2023-12-01 | 2023-12-29 | 江苏领臣精密机械有限公司 | Hydrostatic guideway assembly with leveling and locking functions |
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| CN202123363U (en) * | 2011-05-31 | 2012-01-25 | 四川普什宁江机床有限公司 | Hydrostatic guide rail structure applied to precision horizontal machining centre |
| CN102840237A (en) * | 2012-07-27 | 2012-12-26 | 华中科技大学 | Liquid hydrostatic bearing capable of realizing oil distribution from end surface |
| CN104088904A (en) * | 2014-06-23 | 2014-10-08 | 湖南宗胜制造有限公司 | Inner restrictor hydrostatic cylindrical guide rail |
| CN110202392A (en) * | 2019-06-27 | 2019-09-06 | 江苏大卫精工科技有限公司 | A kind of turntable hydrostatic slideway etc. oil masses oil supply mechanism and its method |
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2021
- 2021-01-12 CN CN202110036573.XA patent/CN112901659B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB581062A (en) * | 1944-10-06 | 1946-09-30 | Automotive Prod Co Ltd | Improvements in or relating to bearings |
| CN202123363U (en) * | 2011-05-31 | 2012-01-25 | 四川普什宁江机床有限公司 | Hydrostatic guide rail structure applied to precision horizontal machining centre |
| CN102840237A (en) * | 2012-07-27 | 2012-12-26 | 华中科技大学 | Liquid hydrostatic bearing capable of realizing oil distribution from end surface |
| CN104088904A (en) * | 2014-06-23 | 2014-10-08 | 湖南宗胜制造有限公司 | Inner restrictor hydrostatic cylindrical guide rail |
| CN110202392A (en) * | 2019-06-27 | 2019-09-06 | 江苏大卫精工科技有限公司 | A kind of turntable hydrostatic slideway etc. oil masses oil supply mechanism and its method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117307609A (en) * | 2023-12-01 | 2023-12-29 | 江苏领臣精密机械有限公司 | Hydrostatic guideway assembly with leveling and locking functions |
| CN117307609B (en) * | 2023-12-01 | 2024-01-30 | 江苏领臣精密机械有限公司 | Hydrostatic guideway assembly with leveling and locking functions |
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| Publication number | Publication date |
|---|---|
| CN112901659B (en) | 2022-04-01 |
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