CN103447643A - Positioning and guide mechanism for carriage of spark erosion drilling machine - Google Patents

Abstract

The invention provides a positioning and guide mechanism for a carriage of a spark erosion drilling machine and relates to the field of a positioning and guide mechanism, on a base plate, of a middle lower carriage thereof. A middle lower carriage left guide rail (85) and a middle lower carriage right guide rail (86) of the middle lower carriage (2) are installed on a base plate left guide rail (83) and a base plate right guide rail (84) of the base plate (1) in a positioning and guide way through an eccentric adjusting shaft component (3) and a positioning shaft guide component (4); a nut seat (6) is installed on a nut seat installing face (7) of the base plate (1) and a nut component (55) of a screw pair component (5); a bearing block (50) of the screw pair component (5) is installed on a bearing block installation face (27) of the middle lower carriage (2); the axial movement of a screw rod (52) drives the middle lower carriage (2) to move on the base plate (1). The positioning and guide mechanism for the carriage of the spark erosion drilling machine is convenient to install and adjust and guarantees the positioning and guide movement of the lower carriage on the base plate.

Description

Spark-erosion perforating machine planker positioning guide mechanism

Technical field

Spark-erosion perforating machine planker positioning guide mechanism of the present invention relate to spark-erosion perforating machine in the positioning guide mechanism field of lower planker on base plate.

Background technology

The underrun screw of the base plate of spark-erosion perforating machine installs on the lathe bed that is connected to spark-erosion perforating machine, in lower planker by screw pair assembly and nut seat, be arranged on base plate, due in lower planker left rail and in the lower right guide rail of planker snugly be arranged on respectively on the right guide rail of base plate left rail and base plate, in after lower planker does the fore-and-aft direction motion for a long time by screw pair assembly and nut seat on base plate, in easily making lower planker left rail and in the lower right guide rail of planker wear and tear, for the ease of repairing, lower planker in installing and regulating, should design lower planker in a kind of can making and make the adjustable positioning guide mechanism of left and right directions on base plate, in realization, lower planker is done the motion of fore-and-aft direction on base plate.Because in lower planker top be equipped with on planker is installed on planker, and be placed with workbench on upper planker, by pressing plate, workpiece to be machined is installed on workbench, in making by handwheel, descending planker to do the motion of fore-and-aft direction positioning and guiding is workpiece to be machined front and back position on adjustable working table, and the electrode of installing in the swivel head on column can carry out electric-spark drilling processing to workpiece to be machined.

Summary of the invention

The purpose of this invention is to provide a kind of spark-erosion perforating machine planker positioning guide mechanism, by the eccentric adjusting shaft assembly can be arranged on base plate in lower planker do the left and right directions location and regulate, then in making by screw pair assembly and locating shaft guidance set, lower planker can be made the front and back guiding movement on base plate.

Spark-erosion perforating machine planker positioning guide mechanism, it is mainly by base plate, in lower planker, the eccentric adjusting shaft assembly, the locating shaft guidance set, screw pair assembly and nut seat form, in lower planker in lower planker left rail and in the lower right guide rail of planker snugly be arranged on respectively on the base plate left rail and the right guide rail of base plate of base plate, the eccentric adjusting axle main shaft of the eccentric adjusting axle bottom of two eccentric adjusting shaft assemblies is arranged on respectively in former and later two eccentric adjusting shaft assembly installing holes of base plate, the eccentric adjusting axle bearing outer ring of two eccentric adjusting shaft assembly upper ends is arranged in respectively the lower planker left rail outside of lower planker in contact, the locating shaft main shaft of the locating shaft lower end of two locating shaft guidance sets is arranged on respectively in former and later two locating shaft installing holes of base plate, the locating shaft bearing outer ring of two locating shaft guidance set upper ends is arranged in respectively the right guide rail of the lower planker outside of lower planker in contact, the horizontal installing plate of nut seat is arranged on the nut seat installed surface of base plate by screw, the nut assembly of screw pair assembly is installed by screw on feed screw nut's installing plate of nut seat, in the bearing block of screw pair assembly in lower planker attachment screw hole and in be coated with attachment screw in the bearing block connecting thread hole of lower planker, in the bearing block dowel hole of bearing block and in be coated with alignment pin in the bearing block dowel hole of lower planker, make bearing block be arranged on the bearing block installed surface of rear end, lower planker bottom surface, on the handwheel endoporus mating surface of the screw mandrel rear end of screw pair assembly, handwheel is installed, the handwheel shaken make to be arranged on screw mandrel in nut assembly do before and after axially-movable, be installed on bearing block on screw mandrel drive coupled in lower planker on base plate, as positioning and guiding, seesaw.

Position and the Action Specification thereof of spark-erosion perforating machine planker positioning guide mechanism in spark-erosion perforating machine is as follows:

The base plate of spark-erosion perforating machine planker positioning guide mechanism is fixedly mounted on the electric-spark drilling bed piece in its bottom by screw, in lower planker in lower planker left rail and in the lower right guide rail of planker snugly be arranged on respectively on the base plate left rail of base plate and the right guide rail of base plate and make fore-and-aft direction by the screw pair assembly, in lower planker top be equipped with on planker, in upper planker can do the left and right directions motion, in on be placed with planker on planker, be placed with workbench on upper planker, by pressing plate, workpiece to be machined is installed on workbench, by in lower planker seesaw and in the side-to-side movement of upper planker, can regulate the processed position of workpiece to be machined on spark-erosion perforating machine, after rotating the swivel head of installing on column, just can make the electrode pair workpiece to be machined of installing on swivel head carry out electric-spark drilling processing.

By shaking the handwheel on the screw pair assembly, the screw mandrel that can make to be installed in nut assembly is done front and back axial direction motion, this just drives the bearing block be installed on screw mandrel and does front and back axial direction motion, and in lower planker install and be connected on bearing block, thereby, in drive, lower planker is done front and back axial direction motion, because the installation of the nut assembly on the screw pair assembly is connected on nut seat, and nut seat is arranged on the nut seat installed surface of base plate, like this, in motion, lower planker is just done the front and back axially-movable with respect to actionless base plate, because in lower planker in lower planker left rail and in the right guide rail of lower planker respectively snugly installation and operation on the base plate left rail and the right guide rail of base plate of base plate, and the eccentric adjusting axle bearing on the eccentric adjusting shaft assembly and the locating shaft bearing on the locating shaft guidance set for a long time respectively with in the lower planker left rail outside and in the right guide rail outside contact wear of lower planker, long-term operation easily makes a left side, right guide rail produces wearing and tearing, for the left and right rail that can make wearing and tearing can be done the relative displacement of left and right directions, two eccentric adjusting shaft assemblies that are arranged on base plate have just been designed, be adjusted to identical value by the eccentric throw that makes former and later two eccentric adjusting axles, in just can making, lower planker left and right rail is done the fine setting of left and right directions with respect to the base plate left and right rail and is continued operation, then, also can be repaired the left and right rail of wearing and tearing, above-mentioned, be the structure design principle of this spark-erosion perforating machine planker positioning guide mechanism.

The structure of each main parts size of this spark-erosion perforating machine planker positioning guide mechanism further illustrates as follows:

In rectangle, tabular base plate each side has the parallel base plate left rail raised up of fore-and-aft direction and a right guide rail of base plate each other, respectively have an oil-way in the base plate guide level on base plate left rail and the right guide rail of base plate top, for injecting lubricating oil, front and back position place on the lower plane of base plate left rail left side respectively has an eccentric adjusting shaft assembly installing hole, for setting-up eccentricity regulating shaft assembly, front and back position place on the lower plane of the right guide rail of base plate right side respectively has a locating shaft installing hole, for the locating shaft guidance set is installed, respectively have an eccentric adjusting shaft assembly lock-screw hole on the screw lock face of cylinder at the left surface front and back position place of lower plane on the left of the base plate left rail, for setting-up eccentricity regulating shaft lock-screw, side direction locking is carried out on the screw lock face of cylinder to the eccentric adjusting axle, also have two transportation retaining thread holes on the left surface of the left side of the base plate left rail between two eccentric adjusting shaft assembly lock-screw holes lower plane, for the installation and transportation hold-down screw, equally, right flank front and back position place at the right guide rail of base plate right side lower plane respectively has a locating shaft guidance set lock-screw hole, for the locating shaft lock-screw is installed, screw lock face to locating shaft is locked, have nut seat connecting thread hole between the two on base plate left rail and the right guide rail of the base plate nut seat installed surface that rear portion is located, for the nut seat attachment screw is installed, in order on the nut seat installed surface, nut seat is installed, in the forward and backward position of base plate arranged on left and right sides face, respectively have a lifting bolt screwed hole is installed, for lifting bolt is installed, also have some evagination reinforcements on base plate, base plate is strengthened using, the column installed surface that one side's annular is arranged at the base plate front end, have some column connecting thread holes on the column installed surface, for the column attachment screw is installed, column is installed, is had the wire water pipe through hole of rectangle in the column installed surface, use for installing wire and water pipe.

In the rectangular flat shape fore-and-aft direction of lower planker bottom surface arranged on left and right sides respectively have one be parallel to each other in lower planker left rail and in the lower right guide rail of planker, in the forward and backward two ends rectangle plane in lower planker front be planker lower encioser mounting plane, have the planker lower encioser on planker lower encioser mounting plane screwed hole is installed, for installing screw, in installation, lower planker lower encioser is used, in lower planker middle part have rectangular-shaped middle duplicate removal hole, in planar annular in the middle of lower planker front be in upper planker faying face, in on have on the planker faying face 4 four jiaos of balanced configurations on planker connecting thread hole, for upper planker attachment screw in installing, make planker be arranged on lower planker, in on a planker faying face left side, right both sides respectively have upper planker dowel hole in, for upper planker alignment pin in installing, on centering, planker is installed location, in on lower planker left and right sides, have lubricated guide level oil filler point and transportation retaining thread hole, respectively for injecting lubricating oil and installation and transportation hold-down screw, in rear end, lower planker bottom surface rectangular-shaped bearing block mounting plane is arranged, have bearing block connecting thread hole and bearing block dowel hole on the bearing block mounting plane, respectively for installing bearing block attachment screw and bearing block alignment pin, for the bearing block that the screw pair assembly is installed, in lower planker left rail and in the lower right guide rail of planker in have oil outlet on plane, lower carriage rail top, in left surface and the right flank of lower planker, have lubricated guide level oil filler point, for injecting lubricating oil, also have the digital display rule fixed head screwed hole is installed, by installing screw, for the digital display rule fixed head is installed, in the both sides, front and back in middle duplicate removal hole of lower planker also have both sides duplicate removal groove, so that lower planker deadweight in alleviating, in lower planker in lower planker left rail lateral surface, on the eccentric adjusting bearing outer ring of eccentric adjusting shaft assembly, move, in lower planker in the lower right guide rail lateral surface of planker on the locating shaft bearing outer ring of locating shaft guidance set, move.

The eccentric adjusting shaft assembly is comprised of eccentric adjusting axle, eccentric adjusting axle bearing and eccentric adjusting axle circlip, the eccentric adjusting axle coordinates cylinder over glaze, eccentric adjusting axle main shaft, screw lock cylinder over glaze, adjusting hex surface piece to form by bearing inner race, at bearing inner race, coordinates cylinder over glaze top and lower end flexible back-up ring mounting groove and bearing inner race locating surface respectively.

Two eccentric adjusting axle main shafts are arranged on respectively in two eccentric adjusting shaft assembly installing holes of base plate, lock-screw is locked on screw lock cylinder over glaze through behind the eccentric adjusting shaft assembly lock-screw hole of base plate, can rotate and regulate the hex surface piece by die nut, regulate bearing inner race and coordinate the cylinder over glaze, during the eccentric adjusting axle bearing outer ring that makes to install thereon is fitted on lower planker left rail lateral surface, now, the locating shaft bearing outer ring of locating shaft guidance set, at first in will being fitted in, descend on the lateral surface of the right guide rail of planker, both lateral surfaces of left and right rail of planker are close on described eccentric adjusting axle bearing and locating shaft bearing outer ring and do the fore-and-aft direction operation.

It is 1.5 millimeters that bearing inner race coordinates the axis of cylinder over glaze and the eccentric throw of the axis of eccentric adjusting axle main shaft, by eccentric adjustment regulating shaft assembly, in can making time planker in the left and right adjusting amount on base plate top in 3 millimeters scopes.

The eccentric adjusting axle circlip of installing in the circlip mounting groove can prevent that the eccentric adjusting axle bearing from making axial float, and the bearing inner race locating surface carries out axial location to the inner ring of eccentric adjusting axle bearing.

The locating shaft guidance set is comprised of locating shaft bearing, location circlip for shaft and locating shaft.

Locating shaft is by locating shaft bearing installation shaft, locating shaft hexaplanar piece and locating shaft main shaft form, locating shaft main shaft lower end is arranged in the locating shaft installing hole of base plate, have rectangular-shaped locating shaft screw lock face on the locating shaft main shaft, be coated with locating shaft guidance set lock-screw in the locating shaft guidance set lock-screw hole had at the right guide rail lower outside of the base plate of base plate, make the locating shaft screw lock face of locating shaft locked, can pull locating shaft hexaplanar piece by die nut, the locating shaft main shaft of locating shaft is arranged in the locating shaft installing hole of base plate, one delineation position shaft retaining ring mounting groove is arranged on locating shaft bearing installation shaft top, for being installed, the location circlip for shaft uses, the locating shaft bearing is done to the upper axial locking, one delineation position axle bearing inner ring locating surface is arranged in locating shaft bearing installation shaft bottom, inner ring to the locating shaft bearing is made axial location.

During the locating shaft bearing outer ring of locating shaft guidance set snugly is arranged on lower planker in the lower right guide rail of planker on the lower right guide rail lateral surface of planker.

Nut seat forms single piece by feed screw nut's installing plate and base plate connecting plate, trapezoidal tabular feed screw nut's installing plate is vertically installed and is connected to above rectangular-shaped base plate connecting plate one side, have the screw mandrel of arc by dead slot at feed screw nut's installing plate middle part, for installing screw mandrel, have the feed screw nut on feed screw nut's installing plate at screw mandrel by the dead slot left and right sides screwed hole is installed, by the screw installed, nut assembly on the screw pair assembly is arranged on feed screw nut's installing plate of nut seat, the base plate connecting thread hole that each side has two oval shapes at the base plate connecting plate of nut seat, pass through attachment screw, the pedestal connecting plate installation of nut seat is connected on the nut seat installed surface of base plate.

The screw pair assembly is by bearing block, bearing drive end bearing bracket, screw mandrel, bearing rear end cap, locking nut, nut assembly, handwheel, acorn nut, feed screw nut's spacing ring, angular contact ball bearing, bearing outer ring spacer, and spacer and holding screw form.

Screw mandrel by wire rod thread, the safe shaft shoulder, bearing inner race locating surface, dead eye mating surface, the gap that disappears external screw thread, handwheel the location shaft shoulder, handwheel endoporus mating surface, fixedly external screw thread, feed screw nut's spacing ring mating surface and handwheel positioning spline form handwheel.

The internal thread of the nut assembly of screw pair assembly is arranged on the wire rod thread of screw mandrel, be connected with respectively the forward and backward installation shaft shoulder in the rear and front end of wire rod thread, the front end of the safe shaft shoulder of front is connected with feed screw nut's spacing ring mating surface, on wire rod thread spacing ring mating surface, by holding screw, feed screw nut's spacing ring is installed, the rear end of the safe shaft shoulder of back is connected with the bearing inner race locating surface, former and later two angular contact ball bearings are installed on the dead eye mating surface, front, the bearing outer ring spacer is installed between latter two angular contact ball bearing, before, latter two angular contact ball bearing and bearing outer ring spacer all are arranged in the bearing mounting hole of bearing block, by screw, the bearing drive end bearing bracket is installed on the bearing drive end bearing bracket faying face of bearing block, by screw, the bearing rear end cap is installed on the bearing rear end cap faying face of bearing block, and with two locking nut lockings, spacer is arranged, spacer is used for heading on the inner ring of the angular contact ball bearing of back, the handwheel endoporus of handwheel is arranged on the handwheel endoporus mating surface of screw mandrel by the handwheel key, the handwheel key is arranged in the handwheel positioning spline of handwheel endoporus mating surface, fixedly on external screw thread, acorn nut is installed at handwheel, be used for the axial restraint handwheel.

Have the bearing mounting hole of round tube hole in bearing block, have bearing drive end bearing bracket connecting thread hole on bearing drive end bearing bracket faying face, by screw, the bearing drive end bearing bracket is installed, has bearing rear end cap connecting thread hole on bearing rear end cap faying face, by screw, the bearing rear end cap is installed; In bearing block arranged on left and right sides bottom, front and back respectively have lower planker attachment screw hole in two, by screw make bearing block be arranged on the bearing block installed surface of lower planker, have a bearing block dowel hole between lower planker attachment screw hole in two, for installing the bearing block alignment pin.

Have the screw axis via hole in the bearing rear end cap, for installing screw mandrel, on the bearing block faying face of bearing block rear end cap, have 4 uniform bearing block attachment screw holes, by screw, the bearing block rear end cap is arranged on the bearing rear end cap faying face of bearing block.

Spark-erosion perforating machine planker positioning guide mechanism advantage is to install, easy to adjust, in the middle of lower planker left rail lateral surface and in after the right guide rail lateral surface wearing and tearing of lower planker, at first, allow down the right guide rail of the planker outside be fitted on the locating shaft bearing outer ring, then, the adjusting hex surface piece of eccentric adjustment regulating shaft assembly easily, make eccentric adjusting axle bearing outer ring be fitted in the lower planker left rail outside, in the digital display rule fixed head of lower planker install and statistics have shown chi by screw during screwed hole is installed, after the surface wear of central lower carriage rail top, repair also very convenient, cost is also low.

The accompanying drawing explanation

Fig. 1: spark-erosion perforating machine planker positioning guide mechanism three-dimension integrally package assembly schematic diagram.

Fig. 2: spark-erosion perforating machine planker positioning guide mechanism parts three-dimensional exploded structural representation.

Fig. 3: base plate 1 three-dimensional structure schematic diagram.

Fig. 4; In three-dimensional structure schematic diagram above lower planker 2.

Fig. 5: in three-dimensional structure schematic diagram below lower planker 2.

Fig. 6: eccentric adjusting shaft assembly 3 three-dimensional structure schematic diagrames.

Fig. 7: locating shaft guidance set 4 three-dimensional structure schematic diagrames.

Fig. 8: eccentric adjusting axle 35 three-dimensional structure schematic diagrames.

Fig. 9: locating shaft 38 three-dimensional structure schematic diagrames.

Figure 10: nut seat 6 three-dimensional structure schematic diagrames.

Figure 11: screw subcomponent 5 three-dimension integrally package assembly schematic diagrames.

Figure 12: screw subcomponent 5 parts three-dimensional exploded structural representations.

Figure 13: screw subcomponent 5 integral assembling structure cross-sectional schematic.

Figure 14: bearing block 50 three-dimensional structure schematic diagrames.

Figure 15: bearing rear end cap 51 three-dimensional structure schematic diagrames.

Figure 16: screw mandrel 52 three-dimensional structure schematic diagrames.

The specific embodiment

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, spark-erosion perforating machine planker positioning guide mechanism, it is mainly by base plate 1, in lower planker 2, eccentric adjusting shaft assembly 3, locating shaft guidance set 4, screw pair assembly 5 and nut seat 6 form, in lower planker 2 in lower planker left rail 85 and in the lower right guide rail 86 of planker snugly be arranged on respectively on the base plate left rail 83 and the right guide rail 84 of base plate of base plate 1, the eccentric adjusting axle main shaft 40 of eccentric adjusting axle 35 bottoms of two eccentric adjusting shaft assemblies 3 is arranged on respectively in former and later two eccentric adjusting shaft assembly installing holes 11 of base plate 1, eccentric adjusting axle bearing 88 outer rings of two eccentric adjusting shaft assembly 3 upper ends are arranged in respectively lower planker left rail 85 outsides of lower planker 2 in contact, the locating shaft main shaft 98 of locating shaft 38 lower ends of two locating shaft guidance sets 4 is arranged on respectively in former and later two locating shaft installing holes 82 of base plate 1, locating shaft bearing 36 outer rings of two locating shaft guidance set 4 upper ends are arranged in respectively the lower right guide rail of planker 86 outsides of lower planker 2 in contact, the horizontal installing plate of nut seat 6 is arranged on the nut seat installed surface 7 of base plate 1 by screw, the nut assembly 55 of screw pair assembly 5 is installed by screw on feed screw nut's installing plate 46 of nut seat 6, in the bearing block 50 of screw pair assembly 5 in lower planker attachment screw hole 65 and in be coated with attachment screw in the bearing block connecting thread hole 31 of lower planker 2, in the bearing block dowel hole 66 of bearing block 50 and in be coated with alignment pin in the bearing block dowel hole 32 of lower planker 2, make bearing block 50 be arranged on the bearing block installed surface 27 of lower planker 2 rear ends, bottom surface, on the handwheel endoporus mating surface 80 of screw mandrel 52 rear ends of screw pair assembly 5, handwheel 56 is installed, the handwheel 56 shaken make to be arranged on screw mandrel in nut assembly 55 52 do before and after axially-movables, be installed on bearing block 50 on screw mandrel 52 drive coupled in lower planker 2 on base plate 1, as positioning and guiding, seesaw.

Referring to Fig. 3, at base plate 1 parallel and the base plate left rail 83 and the right guide rail 84 of base plate that respectively raise up of fore-and-aft direction each other each side arranged, respectively there is an eccentric adjusting shaft assembly installing hole 11 at front and back position place on base plate left rail 83 left side lower planes, for setting-up eccentricity regulating shaft assembly 3, respectively there is a locating shaft installing hole 82 at front and back position place on the right guide rail 84 right side lower planes of base plate, for locating shaft guidance set 4 is installed; At the left surface front and back position place of base plate left rail 83 left side lower planes, an eccentric adjusting shaft assembly lock-screw hole 12 is respectively arranged, screw lock cylinder over glaze 41 to eccentric adjusting axle 35 carries out side direction locking by screw, also have two transportation retaining thread holes 18 between two eccentric adjusting shaft assembly lock-screw holes 12, equally, respectively there is a locating shaft guidance set lock-screw hole at right flank front and back position place at the right guide rail 84 right side lower planes of substrate plate, and the screw lock face 45 of locating shaft 38 is passed through to screw lock; Nut seat connecting thread hole 14 is arranged on the nut seat installed surface 7 at base plate 1 rear portion; In the base plate 1 forward and backward position of left and right sides, respectively there is a lifting bolt that screwed hole 15 is installed; Also has the reinforcement 16 of evagination on base plate 1; Column connecting thread hole 13 is arranged on the column installed surface 8 of base plate 1 front end, by screw, column use is installed, also have wire water pipe through hole 17 on column installed surface 8.

Referring to Fig. 4 and Fig. 5, in lower planker 2 left sides, bottom surface, right both sides respectively have one be parallel to each other in lower planker left rail 85 and in the lower right guide rail 86 of planker, in lower planker 2 just in face of, on rear two planker lower encioser mounting planes 20, there is respectively the planker lower encioser that screwed hole 23 is installed, in lower planker 2 middle parts have rectangular-shaped in the middle of duplicate removal hole 33, in lower planker 2 positive intermediate annular on have on planker faying face 19 4 four jiaos of balanced configurations on planker connecting thread hole 21, with lower planker dowel hole 22 in the bilateral symmetry configuration, in lower planker 2 left and right sides lubricated guide level oil filler point 24 and transportation retaining thread hole 25 are arranged respectively.

In bearing block connecting thread hole 31 and bearing block dowel hole 32 are arranged on the rectangular-shaped bearing block installed surface 27 in lower planker 2 rear ends, bottom surface, in lower planker left rail 85 and in the right guide rail of lower planker 86 both in oil outlet 30 is arranged respectively on plane 28, lower carriage rail top, in lower planker left rail 85 outsides and in the lower right guide rail of planker 86 outsides have respectively in lower planker left rail lateral surface and in the lower right guide rail lateral surface 29 of planker, in on lower planker 2 left surfaces and have respectively lubricating oil guide level oil filler point 24 and digital display rule fixed head that screwed hole 26 is installed on right flank, in the both sides, front and back in middle duplicate removal hole 33 of lower planker 2 bottom surfaces both sides duplicate removal groove 34 is arranged respectively.

Referring to Fig. 6 and Fig. 8, eccentric adjusting shaft assembly 3 is comprised of eccentric adjusting axle 35, eccentric adjusting axle bearing 88 and eccentric adjusting axle circlip 89; Eccentric adjusting axle 35 coordinates cylinder over glaze 39, eccentric adjusting axle main shaft 40, screw lock cylinder over glaze 41, adjusting hex surface piece 43 to form single piece by bearing inner race, at bearing inner race, coordinates cylinder over glaze 39 tops and lower end flexible back-up ring mounting groove 42 and bearing inner race locating surface 44 respectively.

The eccentric adjusting axle main shaft 40 of eccentric adjusting shaft assembly 3 is arranged in the eccentric adjusting shaft assembly installing hole 11 of base plate 1, lock-screw 87 is locked on screw lock cylinder over glaze 41 through behind the eccentric adjusting shaft assembly lock-screw hole 12 of base plate 1, rotate to regulate hex surface piece 43, regulate bearing inner race coordinate eccentric adjusting axle bearing 88 outer rings that cylinder over glaze 39 makes to install it on be fitted under on planker left rail 85 lateral surfaces.

The eccentric throw of the axis of the bearing inner race cooperation cylinder over glaze 39 of eccentric adjusting shaft assembly 3 and the axis of eccentric adjusting axle main shaft 40 is 1.5 millimeters.

Eccentric adjusting axle circlip 89 is installed in the circlip mounting groove 42 of eccentric adjusting shaft assembly 3, can prevents that eccentric adjusting axle bearing 88 from making axial float, the inner ring of 44 pairs of eccentric adjusting axle bearings 88 of bearing inner race locating surface carries out axial location.

Referring to Fig. 7 and Fig. 9, locating shaft guidance set 4 is comprised of locating shaft bearing 36, location circlip for shaft 37 and locating shaft 38, and locating shaft 38 is comprised of the locating shaft bearing installation shaft 93 on top, the locating shaft hexaplanar piece 96 of centre and the locating shaft main shaft 98 of bottom.

Locating shaft main shaft 98 lower ends of locating shaft guidance set 4 are arranged in the locating shaft installing hole 82 of base plate 1, have the locating shaft screw lock face 97 of indent rectangle on locating shaft main shaft 98, the locating shaft back-up ring mounting groove 94 of a circle indent and the locating shaft bearing inner race locating surface 95 of a circle evagination are arranged respectively in locating shaft bearing installation shaft 93 upper and lowers.

During locating shaft bearing 36 outer rings of locating shaft guidance set 4 snugly are arranged on lower planker 2 in the lower right guide rail of planker 86 outsides on the lower right guide rail lateral surface 29 of planker.

Referring to Figure 10, nut seat 6 is comprised of feed screw nut's installing plate 46 on top and the base plate connecting plate of bottom, trapezoidal tabular feed screw nut's installing plate 46 vertically is connected on base plate connecting plate one side of rectangular plate-like, the screw mandrel that has the indent arc at feed screw nut's installing plate 46 middle parts, by dead slot 47, has respectively the feed screw nut that screwed hole 48 is installed on the feed screw nut's installing plate 46 at screw mandrel by dead slot 47 left and right sides; By screw, the nut assembly 55 on screw pair assembly 5 is arranged on feed screw nut's installing plate 46 of nut seat 6; The base plate connecting thread hole 49 that two oval shapes are each side arranged at the base plate connecting plate of nut seat 6, by screw, be arranged on the nut seat installed surface 7 of base plate 1 the base plate connecting plate of nut seat 6 bottoms.

Referring to Figure 11, Figure 12, Figure 13 and Figure 16, screw pair assembly 5 is comprised of bearing block 50, bearing rear end cap 51, screw mandrel 52, bearing drive end bearing bracket 53, locking nut 54, nut assembly 55, handwheel 56, acorn nut 57, feed screw nut's spacing ring 58, angular contact ball bearing 59, bearing outer ring spacer 60, spacer 61 and holding screw 62.

Screw mandrel 52 by wire rod thread 72, the safe shaft shoulder 76, bearing inner race locating surface 73, dead eye mating surface 74, the gap that disappears external screw thread 77, handwheel the location shaft shoulder 79, handwheel endoporus mating surface 80, fixedly external screw thread 78, feed screw nut's spacing ring mating surface 81 and handwheel positioning spline 75 form single piece to handwheel.

As shown in figure 16, internal thread in the nut assembly 55 of screw pair assembly 5 is arranged on the wire rod thread 72 of screw mandrel 52, be connected with respectively the safe shaft shoulder 76 in wire rod thread 72 rear and front ends, the front end of the safe shaft shoulder 76 of front is connected with feed screw nut's spacing ring mating surface 81, on the feed screw nut's spacing ring mating surface 81 be connected at the safe shaft shoulder 76 front ends with front, by holding screw 62, feed screw nut's spacing ring 58 is installed; The rear end of the safe shaft shoulder of back is connected with bearing inner race locating surface 73, between former and later two angular contact ball bearings 59 of installing on the dead eye mating surface 74 of screw mandrel 52, bearing outer ring spacer 60 is installed; The outer ring of described two angular contact ball bearing 59 outer rings and bearing outer ring spacer 60 all is arranged in the bearing mounting hole 63 of bearing block 50.

By screw, bearing drive end bearing bracket 53 and bearing rear end cap 51 are installed respectively on the bearing drive end bearing bracket faying face 67 of the bearing block 50 of screw pair assembly 5 and on the rear end cap faying face, the spacer 61 withstood on angular contact ball bearing 59 inner rings of back is being locked by two locking nuts 54.

Handwheel endoporus at the handwheel 56 of screw pair assembly 5 is arranged on by the handwheel key on the handwheel endoporus mating surface 80 of screw mandrel 52, the handwheel key is arranged in the handwheel positioning spline 75 of handwheel endoporus mating surface 80, handwheel at screw mandrel 52 fixedly is equipped with acorn nut 57 on external screw thread 78, is used for fixing handwheel 56.

Referring to Figure 14, have bearing mounting hole 63 in the bearing block 50 of screw pair assembly 5, have bearing drive end bearing bracket connecting thread hole 64 and bearing rear end cap connecting thread hole on bearing drive end bearing bracket faying face 67 He on bearing rear end cap faying face, by screw, bearing drive end bearing bracket 53 and bearing rear end cap 51 are installed; Lower planker attachment screw hole 65 and bearing block dowel hole 66 in bearing block 50 bottoms, the left and right sides respectively have two, by screw and alignment pin, in bearing block 50 being installed be positioned on the bearing block mounting plane 27 of lower planker 2.

Referring to Figure 15, at bearing rear end cap 51 middle parts of screw pair assembly 5, have for the screw axis via hole 70 that installs screw mandrel 52, on the bearing block faying face 68 of bearing block rear end cap 51,4 uniform bearing block attachment screw holes 71 are arranged, by screw, bearing block rear end cap 51 is arranged on the bearing block rear end cap faying face of bearing block 50.

Claims (16)

1. spark-erosion perforating machine planker positioning guide mechanism, it is mainly by base plate (1), in lower planker (2), eccentric adjusting shaft assembly (3), locating shaft guidance set (4), screw pair assembly (5) and nut seat (6) form, it is characterized in that lower planker (2) in lower planker left rail (85) and in descend the right guide rail of planker (86) snugly to be arranged on respectively on the base plate left rail (83) and the right guide rail of base plate (84) of base plate (1), the eccentric adjusting axle main shaft (40) of eccentric adjusting axle (35) bottom of two eccentric adjusting shaft assemblies (3) is arranged on respectively in former and later two eccentric adjusting shaft assembly installing holes (11) of base plate (1), eccentric adjusting axle bearing (88) outer ring of two eccentric adjusting shaft assemblies (3) upper end is arranged in respectively lower planker left rail (85) outside of lower planker (2) in contact, the locating shaft main shaft (98) of locating shaft (38) lower end of two locating shaft guidance sets (4) is arranged on respectively in former and later two locating shaft installing holes (82) of base plate (1), locating shaft bearing (36) outer ring of two locating shaft guidance sets (4) upper end is arranged in respectively the lower right guide rail of planker (86) outside of lower planker (2) in contact, the horizontal installing plate of nut seat (6) is arranged on the nut seat installed surface (7) of base plate (1) by screw, at the upper nut assembly (55) that screw pair assembly (5) are installed by screw of feed screw nut's installing plate (46) of nut seat (6), be coated with attachment screw in the bearing block connecting thread hole (31) of lower planker (2) in the neutralization of lower planker attachment screw hole (65) in the bearing block (50) of screw pair assembly (5), be coated with alignment pin in the bearing block dowel hole (32) of lower planker (2) in bearing block dowel hole (66) neutralization of bearing block (50), make bearing block (50) be arranged on the bearing block installed surface (27) of lower planker (2) rear end, bottom surface, on the handwheel endoporus mating surface (80) of screw mandrel (52) rear end of screw pair assembly (5), handwheel (56) is installed, the handwheel shaken (56) make to be arranged on screw mandrel (52) in nut assembly (55) do before and after axially-movable, be installed on bearing block (50) on screw mandrel (52) drive coupled in lower planker (2) on base plate (1), as positioning and guiding, seesaw.

2. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, it is characterized in that at base plate (1) parallel and the base plate left rail (83) and the right guide rail of base plate (84) that respectively raise up of fore-and-aft direction each other each side being arranged, respectively there is an eccentric adjusting shaft assembly installing hole (11) at front and back position place on the lower plane of base plate left rail (83) left side, and respectively there is a locating shaft installing hole (82) at the front and back position place on the lower plane of the right guide rail of base plate (84) right side; Also have two transportation retaining thread holes (18) between two eccentric adjusting shaft assembly lock-screw holes (12) at the left surface front and back position place of lower plane on the left of base plate left rail (83), at the right flank front and back position place of the right guide rail of substrate plate (84) right side lower plane, a locating shaft guidance set lock-screw hole is respectively arranged; On the nut seat installed surface (7) at base plate (1) rear portion, nut seat connecting thread hole (14) is arranged; In the forward and backward position of base plate (1) left and right sides, respectively there is a lifting bolt that screwed hole (15) is installed; At the upper reinforcement (16) that also has evagination of base plate (1); Column connecting thread hole (13) and wire water pipe through hole (17) are arranged on the column installed surface (8) of base plate (1) front end.

3. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, it is characterized in that in lower planker (a 2) left side, bottom surface, right both sides respectively have one be parallel to each other in lower planker left rail (85) and in time right guide rail of planker (86), in lower planker (2) just in face of, on rear two planker lower encioser mounting planes (20), there is respectively the planker lower encioser that screwed hole (23) is installed, in lower planker (2) middle part have rectangular-shaped in the middle of duplicate removal hole (33), in the lower positive intermediate annular of planker (2) in have on upper planker faying face (19) 4 four jiaos of balanced configurations in upper planker connecting thread hole (21) and bilateral symmetry configuration under planker dowel hole (22), in lower planker (2) left and right sides lubricated guide level oil filler point (24) is arranged respectively and transports retaining thread hole (25).

4. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, it is characterized in that in bearing block connecting thread hole (31) and bearing block dowel hole (32) are arranged on the rectangular-shaped bearing block installed surface (27) in lower planker (2) rear end, bottom surface, in lower planker left rail (85) and in the lower right guide rail of planker (86) both in lower carriage rail push up on plane (28) oil outlet (30) arranged respectively, in lower planker left rail (85) outside and in the lower right guide rail of planker (86) outside have respectively in lower planker left rail lateral surface and in the lower right guide rail lateral surface of planker (29), in on lower planker (2) left surface and lubricating oil guide level oil filler point (24) and digital display rule fixed head installation screwed hole (26) arranged respectively on right flank, in the both sides, front and back in middle duplicate removal hole (33) of lower planker (2) bottom surface both sides duplicate removal grooves (34) are arranged respectively.

5. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, is characterized in that eccentric adjusting shaft assembly (3) is comprised of eccentric adjusting axle (35), eccentric adjusting axle bearing (88) and eccentric adjusting axle circlip (89); Eccentric adjusting axle (35) coordinates cylinder over glaze (39), eccentric adjusting axle main shaft (40), screw lock cylinder over glaze (41), adjusting hex surface piece (43) to form single piece by bearing inner race, at bearing inner race, coordinates cylinder over glaze (39) upper and lower flexible back-up ring mounting groove (42) and bearing inner race locating surface (44) respectively.

6. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, it is 1.5 millimeters that the bearing inner race that it is characterized in that eccentric adjusting shaft assembly (3) coordinates the eccentric throw of the axis of the axis of cylinder over glaze (39) and eccentric adjusting axle main shaft (40).

7. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, it is characterized in that, in the circlip mounting groove (42) of eccentric adjusting shaft assembly (3), eccentric adjusting axle circlip (89) is installed, bearing inner race locating surface (44) carries out axial location to the inner ring of eccentric adjusting axle bearing (88).

8. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, it is characterized in that locating shaft guidance set (4) is by locating shaft bearing (36), location circlip for shaft (37) and locating shaft (38) form, locating shaft (38) is by the locating shaft bearing installation shaft (93) on top, middle locating shaft hexaplanar piece (96) and the locating shaft main shaft (98) of bottom form, have the locating shaft screw lock face (97) of indent rectangle on locating shaft main shaft (98), the locating shaft back-up ring mounting groove (94) of one circle indent and the locating shaft bearing inner race locating surface (95) of a circle evagination are arranged respectively in locating shaft bearing installation shaft (93) upper and lower.

9. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, during locating shaft bearing (36) outer ring that it is characterized in that locating shaft guidance set (4) snugly is arranged on lower planker (2) in the lower right guide rail of planker (86) outside on the lower right guide rail lateral surface of planker (29).

10. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, it is characterized in that nut seat (6) is comprised of feed screw nut's installing plate (46) on top and the base plate connecting plate of bottom, trapezoidal tabular feed screw nut's installing plate (46) vertically is connected on base plate connecting plate one side of rectangular plate-like, the screw mandrel that has the indent arc at feed screw nut's installing plate (46) middle part, by dead slot (47), has respectively the feed screw nut that screwed hole (48) is installed on the feed screw nut's installing plate (46) at screw mandrel by dead slot (47) left and right sides; The base plate connecting thread hole (49) that two oval shapes are each side arranged at the base plate connecting plate of nut seat (6), by screw, the base plate connecting plate of nut seat (6) bottom is arranged on the nut seat installed surface (7) of base plate (1).

11. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, it is characterized in that screw pair assembly (5) is by bearing block (50), bearing rear end cap (51), screw mandrel (52), bearing drive end bearing bracket (53), locking nut (54), nut assembly (55), handwheel (56), acorn nut (57), feed screw nut's spacing ring (58), angular contact ball bearing (59), bearing outer ring spacer (60), spacer (61) and holding screw (62) form, screw mandrel (52) is by wire rod thread (72), the safe shaft shoulder (76), bearing inner race locating surface (73), dead eye mating surface (74), the gap that disappears external screw thread (77), the handwheel location shaft shoulder (79), handwheel endoporus mating surface (80), handwheel is external screw thread (78) fixedly, feed screw nut's spacing ring mating surface (81) and handwheel positioning spline (75) form single piece.

12. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, the interior internal thread of nut assembly (55) that it is characterized in that screw pair assembly (5) is arranged on the wire rod thread (72) of screw mandrel (52), be connected with respectively the safe shaft shoulder (76) in wire rod thread (72) rear and front end, the feed screw nut's spacing ring mating surface (81) be connected at the safe shaft shoulder (76) front end with front is upper is equipped with feed screw nut's spacing ring (58) by holding screw (62); The rear end of the safe shaft shoulder of back is connected with bearing inner race locating surface (73), between upper former and later two angular contact ball bearings (59) installed of the dead eye mating surface (74) of screw mandrel (52), bearing outer ring spacer (60) is installed; The outer ring of described two angular contact ball bearing (59) outer rings and bearing outer ring spacer (60) all is arranged in the bearing mounting hole (63) of bearing block (50).

13. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, it is characterized in that by screw, bearing drive end bearing bracket (53) and bearing rear end cap (51) being installed respectively on and rear end cap faying face upper at the bearing drive end bearing bracket faying face (67) of the bearing block (50) of screw pair assembly (5), the spacer (61) withstood on angular contact ball bearing (59) inner ring of back is being locked by two locking nuts (54).

14. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, the handwheel endoporus that it is characterized in that the handwheel (56) of screw pair assembly (5) is arranged on the handwheel endoporus mating surface (80) of screw mandrel (52) by the handwheel key, the handwheel key is arranged in the handwheel positioning spline (75) of handwheel endoporus mating surface (80), handwheel at screw mandrel (52) fixedly is equipped with acorn nut (57) on external screw thread (78), is used for fixing handwheel (56).

15. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, it is characterized in that having bearing mounting hole (63) in the bearing block (50) of screw pair assembly (5), above and on bearing rear end cap faying face have bearing drive end bearing bracket connecting thread hole (64) and bearing rear end cap connecting thread hole at bearing drive end bearing bracket faying face (67), by screw, bearing drive end bearing bracket (53) and bearing rear end cap (51) are installed; Lower planker attachment screw hole (65) and bearing block dowel hole (66) in bearing block (50) bottom, the left and right sides respectively has two.

16. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, it is characterized in that having for the screw axis via hole (70) that installs screw mandrel (52) at bearing rear end cap (51) middle part of screw pair assembly (5), on the bearing block faying face (68) of bearing block rear end cap (51), 4 uniform bearing block attachment screw holes (71) are arranged, by screw, bearing block rear end cap (51) is arranged on the bearing block rear end cap faying face of bearing block (50).

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