CN103528553A - Ultra-long guide rail for three-coordinate measuring machine - Google Patents
Ultra-long guide rail for three-coordinate measuring machine Download PDFInfo
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- CN103528553A CN103528553A CN201310456051.0A CN201310456051A CN103528553A CN 103528553 A CN103528553 A CN 103528553A CN 201310456051 A CN201310456051 A CN 201310456051A CN 103528553 A CN103528553 A CN 103528553A
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Abstract
The invention discloses an ultra-long guide rail for a three-coordinate measuring machine. The ultra-long guide rail comprises branch guide rails and front and rear bases for the branch guide rails, wherein four bolt holes for arranging full-thread screws are formed in a lower bottom plate of each of the front and rear bases, and threaded holes are formed in vertical plates and upper bottom plates of the front and rear bases; an elastic adjusting bolt is arranged in one threaded hole of each vertical plate, and rigid adjusting bolts are arranged in the other threaded holes of each vertical plate; a square hole is formed in each of the two ends of each of main and auxiliary lateral surfaces of each branch guide rail, and a pair of stepped holes communicated with the corresponding square holes is formed in each of the front and rear end faces of each branch guide rail; springs are arranged in the stepped holes of the spliced end faces; the full-thread screws penetrate through the springs in the stepped holes; the two ends of the full-thread screws are positioned in the corresponding square holes respectively, and are locked by nuts. The ultra-long guide rail is high in planeness accuracy, straightness and splicing seam bonding accuracy, strong in splicing seam bonding strength, small in bonding seam thickness, simple in structure, easy to assemble, free of maintenance and low in cost, influence on accuracy when air bearings pass through bonding seams is avoided, and the accuracy, comprising the planeness and the straightness, of the guide rail is kept unchanged when temperature is changed.
Description
Technical field
The present invention relates to a kind of super-long guiding rail of three coordinate measuring machine, for single shaft stroke range reach tens meters even the three coordinate measuring machine super-long guiding rail of hundred meters of magnitudes support and splice in place.
Background technology
The mete-wand of overlength degree, as steel band tape, several sizes of the part of overlength degree and positional precision detect, and need the high-precision three coordinate measuring machine of single shaft ultralong-stroke scope.Single shaft moves supporting guide rail, by many superlinishings, divides guide rail, and piece is cementing adds that other connected modes and supporting minute guide supporting guide piece form.The flatness of super-long guiding rail end face and major opposing side, the consistance of super-long guiding rail end face and major opposing side angle, the depth of parallelism of the secondary side of super-long guiding rail to major opposing side, the assurance of the linearity of super-long guiding rail, the piece of super-long guiding rail is cementing, super-long guiding rail can extend vertically when variation of ambient temperature and linearity remains unchanged, and is all the subject matter of tackling key problem.Utilize the overlength resources advantage of super-long guiding rail, extend to three measurement of coordinates, can develop into a kind of single shaft stroke range and reach tens meters of even super CNC compatible type three coordinate measuring machines of hundred meters of magnitudes.
Mostly existing gauging machine is the gauging machine of single shaft or single coordinate, manually enchancement factor is many, the utilization factor of the blue or green granite resource in great shortage high-quality Jinan is low, granite divides guide rail only by load-bearing lifting jack, to be supported, variation of ambient temperature, the flexible random variation that causes flatness and linearity of guide rail, minute cementing seam of guide rail is wider.
Summary of the invention
The support and the splicing positioning apparatus that the object of this invention is to provide a kind of three coordinate measuring machine super-long guiding rail, to make up the above-mentioned deficiency of prior art.
A kind of super-long guiding rail of three coordinate measuring machine, comprise by a plurality of synthetic guide rails of minute set of rails of splicing in order, described minute guide rail is the rectangular parallelepiped of being made by granite material, and each rectangular parallelepiped has end face, bottom surface, major opposing side, secondary side and former and later two end faces;
It is characterized in that each minute guide rail supported by former and later two bases below it, described forward and backward base comprises the riser at upper and lower two base plates and upper and lower base plate two ends, and described riser top exceeds upper plate; Described lower shoe has four bolts hole, and has four full silk screw rods to insert in described bolt hole, and a full silk screw rod other end is used for watering and is filled in concrete foundation; The first half of described riser all has a threaded hole; The upper plate of described front base has three threaded holes; The upper plate of described rear base has two threaded holes;
Each installs a rigidity adjusting bolt three threaded holes of front base upper bottom surface, and each installs a rigidity adjusting bolt two threaded holes of rear base upper bottom surface; Front base and rear base are respectively installed a rigidity adjusting bolt near the threaded hole of the riser of major opposing side, the major opposing side of its top laminating long guideway; The threaded hole of front base and another riser of rear base is respectively installed a flexible adjustment bolt, the secondary side of its top laminating long guideway; The bottom surface of long guideway is fitted on the top of rigidity adjusting bolt of front base and rear base upper bottom surface;
The two ends of described minute guide rail major opposing side and secondary side respectively have a square hole, and within described minute, former and later two end faces of guide rail respectively have the shoulder hole that a pair of and above-mentioned square hole communicates;
And have spring to insert in the shoulder hole of mutual spliced end face, and also having full silk screw rod through the spring in shoulder hole, the two ends of this full silk screw rod lay respectively in the square hole of two minutes guide rails, and two ends are inserted in respectively packing ring, spring washer and screw in nut.
The present invention can utilize on the basis of existing rigidity adjusting bolt, proposes again a kind of improved rigidity adjusting bolt: comprise taking over a business, packing ring, be with externally threaded adjusting double-screw bolt; And take over a business lower end and be installed on the upper end that regulates double-screw bolt, packing ring is being taken over a business and is being regulated between double-screw bolt.
On the basis of above-mentioned rigidity adjusting bolt, the present invention further improves it again, specific as follows: described taking over a business by the concentric cylinder of disk, disk lower end, the coaxial threaded post of cylinder lower end forms, and threaded column diameter is greater than body diameter; Described packing ring comprises spheric washer and taper faced washer; Described adjusting double-screw bolt comprises coaxial internal threaded column and the hexahedron at external thread column and upper and lower two ends thereof, the internal thread of described internal threaded column and the screw thread of above-mentioned threaded column match, and described external thread column has one and communicates with above-mentioned internal thread hole and diameter is greater than the through hole of internal thread diameter; Described threaded column of taking over a business screws in the through hole of described external thread column via internal threaded column; And take over a business and regulate and between double-screw bolt, be followed successively by taper faced washer and spheric washer.
The present invention can utilize on the basis of existing flexible adjustment bolt, proposes again a kind of improved flexible adjustment bolt: comprise taking over a business, slide-bar, is with externally threaded Adjusting bolt Adjusting screw, and takes over a business the upper end that lower end is installed on slide-bar; And have packing ring take over a business and slide-bar between, have disk spring between slide-bar 9 and Adjusting bolt Adjusting screw.
On the basis of above-mentioned flexible adjustment bolt, the present invention further improves it again, specific as follows: described taking over a business by the concentric cylinder of disk, disk lower end, the coaxial threaded post of cylinder lower end forms, and the minor diameter of thread of threaded column is greater than body diameter; Described packing ring comprises spheric washer and taper faced washer;
Described slide-bar comprises the upper, middle and lower right cylinder of coaxial connection, and upper and lower body diameter is less than middle cylinder; Upper cylindrical center has the threaded hole matching with threaded column, has one to communicate with above-mentioned internal thread hole and diameter is greater than the through hole of internal thread diameter in middle cylinder;
Described adjusting double-screw bolt comprises coaxial internal threaded column and the hexahedron at external thread column and upper and lower two ends thereof, the internal thread of described internal threaded column and the screw thread of above-mentioned threaded column match, and described external thread column has one and communicates with above-mentioned internal thread hole and diameter is greater than the through hole of internal thread diameter;
In described Adjusting bolt Adjusting screw, have axial step circular hole, lower end is hexahedron, and described ladder circular hole matches with the middle cylinder of slide-bar, after described lower cylinder is inserted in disk spring, inserts Adjusting bolt Adjusting screw;
Described threaded column of taking over a business screws in the through hole of described external thread column via internal threaded column; And take over a business and regulate and between double-screw bolt, be followed successively by taper faced washer and spheric washer.
Above-mentionedly take over a business upper surface and be provided with groove, thereby can in groove, add railway grease.
Further, above-mentioned super-long guiding rail of the present invention is directly fitted in the front base of a minute guide rail or the taking over a business with a minute guide rail of the rigidity adjusting bolt on rear base and flexible adjustment bolt that are positioned at centre position, before all the other the rigidity adjusting bolt of bases or rear base and flexible adjustment bolt take over a business and the binding face of minute guide rail between be coated with the railway grease of low resistance.
In addition,, in order to obtain better locking effect, above-mentioned rigidity adjusting bolt and flexible adjustment bolt all overlap a round nut.
The present invention makes super-long guiding rail flatness precision high, and linearity is good, the high and glue-line thin thickness of the cementing precision high strength of piece, air bearing during through glue-line on precision without impact.Temperature variation guide precision is constant, simple in structure containing flatness and linearity, and easily, zero dimension is protected in assembling, and cost is low.This guide rail carries two other coordinate axis, and makes overlength high precision guide rail for the three coordinate measuring machine of super long type.
Accompanying drawing explanation
Fig. 1 is the adjacent minute spliced schematic diagram of guide rail end surface of the present invention.
Fig. 2 is the adjacent minute spliced vertical view of guide rail end surface of the present invention.
Fig. 3 is the front base of a minute guide rail of the present invention and the schematic diagram of rear base.
Fig. 4 is the decomposition texture schematic diagram of rigidity adjusting bolt of the present invention.
Fig. 5 is the cross-sectional view of rigidity adjusting bolt of the present invention.
Fig. 6 is the decomposition texture schematic diagram of flexible adjustment bolt of the present invention.
Fig. 7 is the cross-sectional view of flexible adjustment bolt of the present invention.
Fig. 8 is the structural representation that first minute guide rail of the present invention and end divide guide rail.
Wherein, 1, front base, 2, rigidity adjusting bolt, 3, flexible adjustment bolt, 4, take over a business 5, regulate double-screw bolt, 6, spheric washer, 7, taper faced washer, 8, Adjusting bolt Adjusting screw, 9, slide-bar, 10, disk spring, 11, minute guide rail, 12, spring washer, 13, packing ring, 14, nut, 15, full silk screw rod, 16, spring, 17, round nut, 18, rear base, 19, first minutes guide rails, 20, end divides guide rail.
Embodiment
As shown in Figures 1 to 3, a kind of super-long guiding rail of three coordinate measuring machine, comprise that described minute guide rail 11 is rectangular parallelepipeds of being made by granite material by the guide rail that divides guide rail 11 to be combined into of a plurality of splicings in order, each rectangular parallelepiped has end face, bottom surface, major opposing side, secondary side and former and later two end faces;
It is characterized in that each minute guide rail 11 supported by former and later two bases 1,18 below it, described forward and backward base 1,18 comprises the riser at upper and lower two base plates and upper and lower base plate two ends, and described riser top exceeds upper plate; Described lower shoe has four bolts hole, and has four full silk screw rods 15 to insert in described bolt hole, and full silk screw rod 15 other ends are used for watering and are filled in concrete foundation; The first half of described riser all has a threaded hole; The upper plate of described front base 1 has three threaded holes; The upper plate of described rear base 18 has two threaded holes;
Three threaded holes of front base 1 upper bottom surface are respectively installed 1 rigidity adjusting bolt 2, and two threaded holes of rear base 18 upper bottom surfaces are respectively installed 1 rigidity adjusting bolt 2; Front base 1 and rear base 18 are respectively installed a rigidity adjusting bolt 2 near the threaded hole of the riser of major opposing side, the major opposing side of its top laminating long guideway; The threaded hole of front base 1 and rear base 18 another risers is respectively installed a flexible adjustment bolt 3, the secondary side of its top laminating long guideway; The bottom surface of long guideway is fitted on the top of rigidity adjusting bolt 2 of front base 1 and rear base 18 upper bottom surfaces;
The two ends of described minute guide rail 11 major opposing side and secondary side respectively have a square hole, and within described minute, guide rail 11 former and later two end faces respectively have the shoulder hole that a pair of and above-mentioned square hole communicates;
And there is spring 16 to insert in the shoulder hole of mutual spliced end face, also has full silk screw rod 15 through the spring 16 in shoulder hole, the two ends of this full silk screw rod 15 lay respectively in the square hole of two minutes guide rails 11, and two ends are inserted in respectively packing ring 13, spring washer 12 and screw in nut 14.
As schemed as shown in Figures 1 to 3, described rigidity adjusting bolt 2 is to adjust minute guide rail 11 to any desired location by pushing tow, during use, be positioned in the middle of three rigidity adjusting bolts 2 of front base 1 upper bottom surface, and two rigidity adjusting bolts 2 that are positioned at rear base 18 upper bottom surfaces can form 3 effects of determining planes; Two other rigidity adjusting bolt 2 of front base 1 is for supplemental support.The object of described flexible adjustment bolt 3 is to cooperatively interact with the rigidity adjusting bolt 2 on its opposite, and common realization mutually adjusts the major opposing side of minute guide rail 11 in conplane.
Then utilize the full silk screw rod 15 in rigidity adjusting bolt 2, flexible adjustment bolt 3 and shoulder hole, and make the end face of all cuboid guide rails and major opposing side coplanar respectively, grind secondary side parallel with major opposing side.
The present invention can utilize on the basis of existing rigidity adjusting bolt 2, proposes again a kind of improved rigidity adjusting bolt 2: comprise taking over a business 4, packing ring, be with externally threaded adjusting double-screw bolt 5; And take over a business 4 lower ends and be installed on the upper end that regulates double-screw bolt 5, packing ring is taking over a business 4 and regulate between double-screw bolt 5.
On the basis of above-mentioned rigidity adjusting bolt 2, the present invention further improves it again, specific as follows as shown in Figure 4,5: described take over a business 4 and formed by the concentric cylinder of disk, disk lower end, the coaxial threaded post of cylinder lower end, and threaded column diameter to be greater than body diameter; Described packing ring comprises spheric washer 6 and taper faced washer 7; Described adjusting double-screw bolt 5 comprises coaxial internal threaded column and the hexahedron at external thread column and upper and lower two ends thereof, the internal thread of described internal threaded column and the screw thread of above-mentioned threaded column match, and described external thread column has one and communicates with above-mentioned internal thread hole and diameter is greater than the through hole of internal thread diameter; Describedly take over a business 4 threaded column screws in described external thread column through hole via internal threaded column; And take over a business 4 and regulate between double-screw bolt 5 and be followed successively by taper faced washer 7 and spheric washer 6.
The present invention can utilize on the basis of existing flexible adjustment bolt 3, proposes again a kind of improved flexible adjustment bolt 3: comprise taking over a business 4, slide-bar 9, is with externally threaded Adjusting bolt Adjusting screw 8, and takes over a business the upper end that 4 lower ends are installed on slide-bar 9; And have packing ring take over a business 4 and slide-bar 9 between, have disk spring 10 between slide-bar 9 and Adjusting bolt Adjusting screw 8.
On the basis of above-mentioned flexible adjustment bolt 3, the present invention further improves it again, as shown in Figure 6,7, specific as follows: described take over a business 4 and formed by the concentric cylinder of disk, disk lower end, the coaxial threaded post of cylinder lower end, and the minor diameter of thread of threaded column to be greater than body diameter; Described packing ring comprises spheric washer 6 and taper faced washer 7;
Described slide-bar 9 comprises the upper, middle and lower right cylinder of coaxial connection, and upper and lower body diameter is less than middle cylinder; Upper cylindrical center has the threaded hole matching with threaded column, has one to communicate with above-mentioned internal thread hole and diameter is greater than the through hole of internal thread diameter in middle cylinder;
Described adjusting double-screw bolt 5 comprises coaxial internal threaded column and the hexahedron at external thread column and upper and lower two ends thereof, the internal thread of described internal threaded column and the screw thread of above-mentioned threaded column match, and described external thread column has one and communicates with above-mentioned internal thread hole and diameter is greater than the through hole of internal thread diameter;
In described Adjusting bolt Adjusting screw 8, have axial step circular hole, lower end is hexahedron, and described ladder circular hole matches with the middle cylinder of slide-bar 9, and described lower cylinder is inserted in the rear insertion Adjusting bolt Adjusting screw 8 of disk spring 10;
Describedly take over a business 4 threaded column screws in described external thread column through hole via internal threaded column; And take over a business 4 and regulate between double-screw bolt 5 and be followed successively by taper faced washer 7 and spheric washer 6.
As shown in Fig. 4,6, above-mentionedly take over a business 4 upper surfaces and be provided with groove (the circular shallow slot of being illustrated as taken over a business upper center in figure), thereby can in groove, add railway grease.
Further, above-mentioned super-long guiding rail of the present invention 4 directly fit with a minute guide rail 11 being positioned at taking over a business of the front base 1 of a minute guide rail 11 in centre position or the rigidity adjusting bolt 2 on rear base 18 and flexible adjustment bolt 3, before all the other the rigidity adjusting bolt 2 of bases 1 or rear base 18 and flexible adjustment bolt 3 take over a business 4 with the railway grease of the binding face painting low resistance of minute guide rail 11.
Do granite material and every meter every degree Celsius difference of concrete line swell increment that measuring appliance uses and be about 0.006mm, for example to one, having the synthetic total length of 4 meters of 13 every length splicing is the long guideway of 52 meters, the about 0.3mm of line swell increment difference of the variation of ambient temperature of 1 ℃ and concrete foundation.In order to keep on improving, the present invention has designed above scheme, the rigidity adjusting bolt 2 of guide rail bottom surface and major opposing side take over a business 4, taking over a business in 4 of the flexible adjustment bolt 3 of guideway side can be coated with railway grease; Be positioned at rigidity adjusting bolt 2 on minute guide rail 11 at middle part and flexible adjustment bolt 3 take over a business 4 with this minute direct laminating, mutual friction force is very large, thereby makes this minute guide rail 11 relative with concrete foundation position fixing; The laminating of remaining minute guide rail 11 is across lubricating oil film, and when variation of ambient temperature, take minute direct joint place of guide rail 11 in above-mentioned centre position is initial point, does directed low resistance slip to both sides; Even if variation of ambient temperature is larger, the end face of long guideway and the flatness of major opposing side still keep stablizing constant, thereby can reach higher measuring accuracy.
In addition,, in order to obtain better locking effect, as shown in Figures 1 to 3, above-mentioned rigidity adjusting bolt 2 and flexible adjustment bolt 3 all overlap a round nut 17.
A rigidity adjusting bolt in the middle of two rigidity regulators of rear base 18 upper plate and front base 1 upper plate regulates the flatness of the horizontal direction of long guideway end face, and all the other two rigidity adjusting bolts of front base 1 upper plate are supplemental support; The rigidity adjusting bolt 2 of rear base 18 and front base 1 laminating long guideway major opposing side regulates the flatness of long guideway major opposing side; The flexible adjustment bolt elastic clamping long guideway of rear base 18 and the front base 1 secondary side of laminating long guideway, the adjustment of auxiliary long guideway major opposing side flatness; The moment of torsion that full silk screw rod 15 in adjusting long guideway and nut are 14, extrude adjacent each minute guide rail 11 and divide the guide rail unnecessary structure glue glue that brush on 20 composition surfaces with first minute guide rail 19 and end, keep thin film thickness the static all-in-one-piece long guideway that solidifies.
Embodiment
The super-long guiding rail of three coordinate measuring machine of the present invention, the rectangular parallelepiped that comprises a plurality of high precision granite materials splices according to the order of sequence and connects and by a plurality of support body supports guide rail combining in place; Rectangular parallelepiped has the secondary bottom surface, side of end face major opposing side and two end faces, and secondary side is parallel with major opposing side; On the end face combining, respectively have two shoulder holes, respectively there is a pair of square hole minute guide rail 11 major opposing sides and the secondary side of mesozone, and the aperture of shoulder hole sees through this square hole first wall; The left end of first minute guide rail 19 and end divide the right-hand member of guide rail 20 without shoulder hole and square hole, as Fig. 8.
Rectangular parallelepiped is the front base 1 of a corresponding stool shape and rear base 18 all, the upper bottom surface of front base 1 has three threaded holes that a rigidity adjusting bolt 2 is respectively housed, the upper bottom surface of rear base 18 has two threaded holes that a rigidity adjusting bolt 2 is respectively housed, in front base 1 and rear base 18 vertical plates on both sides, respectively have a threaded hole, the bottom surface of front base 1 and rear base 18 respectively has four bolts hole; The threaded hole of front base 1 and rear base 18 1 cant boards is respectively installed a rigidity adjusting bolt 2, and it takes over a business the major opposing side of 4 laminating long guideways; The threaded hole of opposite side riser is respectively installed a flexible adjustment bolt 3, and it takes over a business the secondary side of 4 laminating long guideways.
Rigidity adjusting bolt 2 and flexible adjustment bolt 3 are all joined a round nut 17; The bottom surface of minute guide rail 11 is fitted in the taking over a business on 4 of rigidity adjusting bolt 2 of front base 1 and rear base 18; Divide the adjacent combination end face of guide rail 11 can be coated with high strength structural adhesion, spring 16 is inserted the macropore of the shoulder hole of each faying face, and full silk screw rod 15 passes respectively each shoulder hole and at two ends, is inserted in packing ring 13 spring washers 12, screws in nut 14.
Be used for supporting full silk screw rod 15 one end and water and be filled in concrete foundation, the other end, through the bolt hole of base 1 and rear base 18, is inserted in packing ring 13 spring washers 12, screws in nut 14.
Using method of the present invention is as follows:
Use when of the present invention, first the lower end of the full silk screw rod 15 for firm banking is watered and is filled in concrete foundation, after concrete setting, the upper end of full silk screw rod 15 is through the bolt hole of front base 1 and rear base 18 base plates, packing ring 13, spring washer 12, screws nut 14, and base 1 and rear base 18 are fixed with concrete foundation;
Assembling rigidity adjusting bolt 2, takes over a business 4 threaded portion and is inserted in taper faced washer 7 and spheric washer 6, screws in and pass the threaded hole of adjusting double-screw bolt 5; Assembling flexible adjustment bolt 3, takes over a business 4 double-screw bolt and is partly inserted in taper faced washer 7 and spheric washer 6, screws in and pass the threaded hole of slide-bar 9, and slide-bar 9 is inserted in one group of disk spring 10, in the ladder macropore of insertion Adjusting bolt Adjusting screw 8; Three threaded holes of front base 1 upper plate screw in three rigidity adjusting bolts 2, two threaded holes of rear base 18 upper plates screw in two rigidity adjusting bolts 2, the threaded hole of the riser of close guide rail major opposing side respectively screws in a rigidity adjusting bolt 2, and it takes over a business 4 laminating guide rail major opposing sides; The threaded hole of another riser respectively screws in a flexible adjustment bolt 3, and it takes over a business the secondary side of 4 laminating guide rails; Rigidity adjusting bolt 2 and flexible adjustment bolt 3 are all joined round nut 17 for locking;
Be positioned at taking over a business of front base 1 of minute guide rail 11 in centre position or rigidity adjusting bolt 2 that rear base 18 assembles and flexible adjustment bolt 3 and 4 directly fit with a minute guide rail 11, remaining rigidity adjusting bolt 2 and flexible adjustment bolt 3 take over a business 4 and long guideway binding face between be all coated with the railway grease of low resistance;
Front base 1 and rear base 18 both sides rigidity adjusting bolts 2 and flexible adjustment bolt 3 clamp respectively major opposing side and the secondary side of this minute guide rail 11, regulate rigidity adjusting bolt 2 and flexible adjustment bolt 3, make the major opposing side of this minute guide rail 11 coplanar, screw in after this minute 9,11 region of guide rail nut 17(locks this operation and carry out), full silk screw rod 15 is inserted in spring 16 and sees through square hole one segment length through the shoulder hole of this minute guide rail 11, is inserted in packing ring 13 spring washers 12, screws in nut 14, the bottom surface of minute guide rail 11 that this minute guide rail 11 two ends are adjacent five rigidity adjusting bolts, 2 upper rminal discs 4 that surface level is installed in corresponding base 1 and rear base 18 of fitting, full silk screw rod 15 residue lengths are inserted the shoulder hole of this minute guide rail 11, and expose square hole end face, be inserted in packing ring 13, spring washer 12, screw in nut 14, within two minutes, guide rail 11 adjacent faces leave gap, to these both ends of the surface, be evenly coated with high-intensity structure glue, nut 14 to double-screw bolt 15 two ends applies moment of torsion, these adjacent minute guide rail 11 end clearance diminishes gradually, spring 16 is compressed, spring prevents that two end faces from bumping, minute guide rail 11 according to fixing middle span is rigidity adjusting bolt 2 and the flexible adjustment bolt 3 that benchmark regulates adjacent pans 1 and rear base 18 assemblings at any time, reach end face major opposing side and be tending towards coplanar, extrude unnecessary glue, make film thickness up to standard,
Adjacent both sides divide guide rail 11 bonding in place after, stripped nut 17, glue is static to be solidified more than 72 hours; Initial survey is also repaiied flatness and the secondary side depth of parallelism to major opposing side of grinding end face, major opposing side and secondary side; Follow lower two minutes guide rails 11 of cementing connection, until in place to left side and the guide rail 19 bonding connections in right side in first minute of first minute guide rail 11 of mesozone, last of mesozone minute guide rail 11 right sides and end divide the guide rail 20 bonding connections in left side in place.
Constant temperature is more than 100 hours, and end face, major opposing side and the partial zones, secondary side of check lappingout long guideway, make its total length reach the precision of contract requirement (CR) again.Stablize timeliness after one month, total length is checked and local lappingout again, make the flatness of the secondary side of end face major opposing side of long guideway, major opposing side is consistent with end face angle, secondary side is up to standard to the major opposing side depth of parallelism, set nut 17, and be coated with bi-component glue in nut 17 and the position that regulates the combination of double-screw bolt 5 and Adjusting bolt Adjusting screw 8.
Claims (8)
1. the super-long guiding rail of a three coordinate measuring machine, comprise the guide rail that divides guide rail (11) to be combined into by a plurality of splicings in order, described minute guide rail (11) be the rectangular parallelepiped of being made by granite material, each rectangular parallelepiped has end face, bottom surface, major opposing side, secondary side and former and later two end faces;
It is characterized in that each minute guide rail (11) by former and later two bases (1,18) of its below, supported, described forward and backward base (1,18) comprises the riser at upper and lower two base plates and upper and lower base plate two ends, described riser top exceeds upper plate; Described lower shoe has four bolts hole, and has four full silk screw rods (15) to insert in described bolt hole, and full silk screw rod (15) other end is used for watering and is filled in concrete foundation; The first half of described riser all has a threaded hole; The upper plate of described front base (1) has three threaded holes; The upper plate of described rear base (18) has two threaded holes;
Each installs (1) individual rigidity adjusting bolt (2) three threaded holes of front base (1) upper bottom surface, and each installs (1 rigidity adjusting bolt (2 two threaded holes of rear base (18) upper bottom surface; Front base 1 and rear base (18) are respectively installed a rigidity adjusting bolt (2) near the threaded hole of the riser of major opposing side, the major opposing side of its top laminating long guideway; The threaded hole of front base (1) and another riser of rear base (18) is respectively installed a flexible adjustment bolt (3), the secondary side of its top laminating long guideway; The bottom surface of long guideway is fitted on the top of rigidity adjusting bolt (2) of front base (1) and rear base (18) upper bottom surface;
The two ends of described minute guide rail (11) major opposing side and secondary side respectively have a square hole, and within described minute, former and later two end faces of guide rail (11) respectively have the shoulder hole that a pair of and above-mentioned square hole communicates;
And there is spring (16) to insert in the shoulder hole of mutual spliced end face, also has full silk screw rod (15) through the spring (16) in shoulder hole, the two ends of this full silk screw rod (15) lay respectively at two minutes guide rail (11) square hole in, and two ends are inserted in respectively packing ring (13), spring washer (12) and screw in nut (14).
2. three coordinate measuring machine super-long guiding rail as claimed in claim 1, is characterized in that described rigidity adjusting bolt (2) comprises taking over a business (4), packing ring, is with externally threaded adjusting double-screw bolt (5); And take over a business (4) lower end and be installed on the upper end that regulates double-screw bolt (5), packing ring is positioned at (4) and regulates between double-screw bolt (5).
3. three coordinate measuring machine super-long guiding rail as claimed in claim 2, it is characterized in that described take over a business (4) are comprised of the concentric cylinder of disk, disk lower end, the coaxial threaded post of cylinder lower end, and threaded column diameter is greater than body diameter; Described packing ring comprises spheric washer (6) and taper faced washer (7); Described adjusting double-screw bolt (5) comprises coaxial internal threaded column and the hexahedron at external thread column and upper and lower two ends thereof, the internal thread of described internal threaded column and the screw thread of above-mentioned threaded column match, and described external thread column has one and communicates with above-mentioned internal thread hole and diameter is greater than the through hole of internal thread diameter; Described threaded column of taking over a business (4) screws in the through hole of described external thread column via internal threaded column; And take over a business (4) and regulate between double-screw bolt (5) and be followed successively by taper faced washer (7) and spheric washer (6).
4. three coordinate measuring machine super-long guiding rail as claimed in claim 1, it is characterized in that described flexible adjustment bolt (3) comprises taking over a business (4), slide-bar (9), is with externally threaded Adjusting bolt Adjusting screw (8), and takes over a business the upper end that (4) lower end is installed on slide-bar (9); And have packing ring to be positioned between (4) and slide-bar (9), there is disk spring (10) to be positioned between slide-bar (9) and Adjusting bolt Adjusting screw (8).
5. three coordinate measuring machine super-long guiding rail as claimed in claim 4, it is characterized in that described take over a business (4) are comprised of the concentric cylinder of disk, disk lower end, the coaxial threaded post of cylinder lower end, and the minor diameter of thread of threaded column is greater than body diameter; Described packing ring comprises spheric washer (6) and taper faced washer (7);
Described slide-bar (9) comprises the upper, middle and lower right cylinder of coaxial connection, and upper and lower body diameter is less than middle cylinder; Upper cylindrical center has the threaded hole matching with threaded column, has one to communicate with above-mentioned internal thread hole and diameter is greater than the through hole of internal thread diameter in middle cylinder;
Described adjusting double-screw bolt (5) comprises coaxial internal threaded column and the hexahedron at external thread column and upper and lower two ends thereof, the internal thread of described internal threaded column and the screw thread of above-mentioned threaded column match, and described external thread column has one and communicates with above-mentioned internal thread hole and diameter is greater than the through hole of internal thread diameter;
Described Adjusting bolt Adjusting screw has axial step circular hole in (8), and lower end is hexahedron, and described ladder circular hole matches with the middle cylinder of slide-bar (9), and described lower cylinder inserts Adjusting bolt Adjusting screw (8) after being inserted in disk spring (10);
Describedly take over a business 4 threaded column screws in described external thread column through hole via internal threaded column; And take over a business (4) and regulate between double-screw bolt (5) and be followed successively by taper faced washer (7) and spheric washer (6).
6. the three coordinate measuring machine super-long guiding rail as described in claim 2,3,4 or 5, is characterized in that above-mentionedly taking over a business (4) upper surface and being provided with groove.
7. three coordinate measuring machine super-long guiding rail as claimed in claim 6, directly fits with a minute guide rail (11) in the front base (1) of a minute guide rail (11) or take over a business (4) of the rigidity adjusting bolt (2) on rear base (18) and flexible adjustment bolt (3) that it is characterized in that being positioned at centre position, before all the other, the rigidity adjusting bolt (2) of bases (1) or rear base (18) and flexible adjustment bolt (3) takes over a business (4) and divide the railway grease that is coated with low resistance between the binding face of guide rail (11).
8. three coordinate measuring machine super-long guiding rail as claimed in claim 1, is characterized in that above-mentioned rigidity adjusting bolt (2) and flexible adjustment bolt (3) all overlap and have a round nut (17).
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| CN201310456051.0A CN103528553B (en) | 2013-09-27 | 2013-09-27 | A kind of super-long guiding rail of three coordinate measuring machine |
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| CN201310456051.0A CN103528553B (en) | 2013-09-27 | 2013-09-27 | A kind of super-long guiding rail of three coordinate measuring machine |
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| CN103528553A true CN103528553A (en) | 2014-01-22 |
| CN103528553B CN103528553B (en) | 2015-12-23 |
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| CN107350583A (en) * | 2017-09-05 | 2017-11-17 | 洛阳霍鑫机电科技有限公司 | A kind of combination type ultralong molded line cutting |
| CN108194504A (en) * | 2017-12-29 | 2018-06-22 | 深圳力合精密装备科技有限公司 | A kind of guide rail and the baseline instrument with the guide rail |
| CN109506546A (en) * | 2019-01-04 | 2019-03-22 | 深圳力合精密装备科技有限公司 | A kind of coordinate measuring machine sets up guide rail and its installation method |
| CN109556547A (en) * | 2018-11-22 | 2019-04-02 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of composite guide rail structure and preparation method thereof for measuring machine |
| CN113450660A (en) * | 2020-04-09 | 2021-09-28 | 重庆康佳光电技术研究院有限公司 | Adjusting mechanism of spliced display screen and spliced display device |
| CN114102061A (en) * | 2021-11-27 | 2022-03-01 | 上海游艺机工程有限公司 | Construction process of super-long central shaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107350583A (en) * | 2017-09-05 | 2017-11-17 | 洛阳霍鑫机电科技有限公司 | A kind of combination type ultralong molded line cutting |
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| CN113450660A (en) * | 2020-04-09 | 2021-09-28 | 重庆康佳光电技术研究院有限公司 | Adjusting mechanism of spliced display screen and spliced display device |
| CN113450660B (en) * | 2020-04-09 | 2022-07-29 | 重庆康佳光电技术研究院有限公司 | Adjusting mechanism and tiled display device of tiled display screen |
| CN114102061A (en) * | 2021-11-27 | 2022-03-01 | 上海游艺机工程有限公司 | Construction process of super-long central shaft |
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| CN103528553B (en) | 2015-12-23 |
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