CN203418193U - Dragging plate positioning and guiding mechanism of spark erosion drilling machine - Google Patents

Abstract

The utility model provides a dragging plate positioning and guiding mechanism of a spark erosion drilling machine and relates to the field of positioning and guiding mechanisms for middle-lower dragging plates on base plates. A middle-lower dragging plate left guide rail (85) and a middle-lower dragging plate right guide rail (86) of the middle-lower dragging plate (2) are positioned and guided by an eccentric adjusting shaft assembly (3) and a positioning shaft guiding assembly (4) and installed on a base plate left guide rail (83) and a base plate right guide rail (84) of the base plate (1). Nut seats (6) are installed on the nut seat installing face (7) of the base plate (1) and on a nut assembly of a lead screw auxiliary assembly (5), a bearing seat (50) of the lead screw auxiliary assembly (5) is installed on the bearing seat installing face (27) of the middle-lower dragging plate (2), and axial motion of a lead screw (52) drives the middle-lower dragging plate (2) to move on the base plate (1). The dragging plate positioning and guiding mechanism of the spark erosion drilling machine is convenient to install and adjust and ensures positioning and guiding motion of the middle-lower dragging plate on the base plate.

Description

Spark-erosion perforating machine planker positioning guide mechanism

Technical field

The utility model spark-erosion perforating machine planker positioning guide mechanism 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 be snugly arranged on respectively on the right guide rail of base plate left rail and base plate, in lower planker by screw pair assembly and nut seat, on base plate, do for a long time after fore-and-aft direction motion, 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 installation and adjusting, should design lower planker in a kind of can making and on base plate, make the adjustable positioning guide mechanism of left and right directions, in realization, lower planker is done the motion of fore-and-aft direction on base plate.Because in lower planker top be provided with on planker is installed on planker, and on upper planker, be placed with workbench, on workbench, by pressing plate, workpiece to be machined is installed, 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 utility model is to provide a kind of spark-erosion perforating machine planker positioning guide mechanism, by eccentric adjusting shaft assembly can be arranged on base plate in lower planker do left and right directions location and regulate, then in making by screw pair assembly and locating shaft guidance set, lower planker can be made 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, eccentric adjusting shaft assembly, 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 be snugly 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 shaking 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 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 by screw pair assembly, be snugly 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, in lower planker top be provided with on planker, in upper planker can do left and right directions motion, in on be placed with planker on planker, on upper planker, be placed with workbench, on workbench, by pressing plate, workpiece to be machined is installed, 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, rotate after 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 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 being installed on screw mandrel to do 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 nut assembly installation on 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 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 eccentric adjusting shaft assembly and the locating shaft bearing on locating shaft guidance set for a long time respectively with in lower planker left rail outside and in contact wear outside the lower right guide rail of planker, long-term operation easily makes a left side, right guide rail produces wearing and tearing, in order to make the left and right rail of wearing and tearing, can do the relative displacement of left and right directions, two eccentric adjusting shaft assemblies that are arranged on base plate have just been designed, by making the eccentric throw of former and later two eccentric adjusting axles be adjusted to identical value, in just can making, lower planker left and right rail is done the fine setting of left and right directions with respect to base plate left and right rail and is continued operation, then, also can repair 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:

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

In rectangular flat shape the 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, on planker lower encioser mounting plane, have planker lower encioser 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 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 planker faying face left, right both sides respectively have upper planker dowel hole in, for upper planker alignment pin in installing, on centering, planker is installed location, in in 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 have rectangular-shaped bearing block mounting plane, on bearing block mounting plane, have bearing block connecting thread hole and bearing block dowel hole, respectively for installing bearing block attachment screw and bearing block alignment pin, for the bearing block that screw pair assembly is installed, in lower planker left rail and in the lower right guide rail of planker in have oil outlet in the plane of 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 digital display rule fixed head screwed hole is installed, by installing screw, for 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.

Eccentric adjusting shaft assembly is comprised of eccentric adjusting axle, eccentric adjusting axle bearing and eccentric adjusting axle circlip, eccentric adjusting axle is coordinated cylinder over glaze, eccentric adjusting axle main shaft, screw lock cylinder over glaze, is regulated 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, by die nut, can rotate and regulate hex surface piece, regulate bearing inner race to coordinate cylinder over glaze, during the eccentric adjusting axle bearing outer ring that makes to install is thereon fitted on lower planker left rail lateral surface, now, the locating shaft bearing outer ring of locating shaft guidance set, 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 to and on described eccentric adjusting axle bearing and locating shaft bearing outer ring, do fore-and-aft direction operation.

It is 1.5 millimeters that bearing inner race coordinates the eccentric throw of the axis of cylinder over glaze and 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 within the scope of 3 millimeters.

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

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

During the locating shaft bearing outer ring of locating shaft guidance set is snugly 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, the screw mandrel that has arc at feed screw nut's installing plate middle part is by dead slot, for installing screw mandrel, on feed screw nut's installing plate at screw mandrel by the dead slot left and right sides, have feed screw nut screwed hole is installed, by the screw installing, nut assembly on 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.

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

In bearing block, have the bearing mounting hole of round tube hole, on bearing drive end bearing bracket faying face, have bearing drive end bearing bracket connecting thread hole, by screw, bearing drive end bearing bracket is installed, on bearing rear end cap faying face, has bearing rear end cap connecting thread hole, by screw, 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, in two, between lower planker attachment screw hole, have a bearing block dowel hole, for installing bearing block alignment pin.

In bearing rear end cap, have screw axis via hole, 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, 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, first, allow down the right guide rail of planker outside be fitted on 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 lower planker left rail outside, in the digital display rule fixed head of lower planker by screw, install and statistics have shown chi during screwed hole is installed, after the surface wear of central lower carriage rail top, repair also very convenient, cost is also low.

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 lower planker 2 three-dimensional structure schematic diagram above.

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

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 be snugly 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 shaking 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, each side there is 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, 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, respectively there is an eccentric adjusting shaft assembly lock-screw hole 12, screw lock cylinder over glaze 41 to eccentric adjusting axle 35 carries out side direction locking by screw, between two eccentric adjusting shaft assembly lock-screw holes 12, also have two transportation retaining thread holes 18, 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; On the nut seat installed surface 7 at base plate 1 rear portion, there is nut seat connecting thread hole 14; 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; On base plate 1, also has the reinforcement 16 of evagination; On the column installed surface 8 of base plate 1 front end, there is column connecting thread hole 13, by screw, column use is installed, on column installed surface 8, also have wire water pipe through hole 17.

Referring to Fig. 4 and Fig. 5, in lower planker 2 bottom surfaces left, 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 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 bilateral symmetry configuration, in lower planker 2 left and right sides have respectively lubricated guide level oil filler point 24 and transportation retaining thread hole 25.

In have bearing block connecting thread hole 31 and bearing block dowel hole 32 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 have respectively oil outlet 30 in lower carriage rail top plane 28, 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 have respectively both sides duplicate removal groove 34.

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 is coordinated cylinder over glaze 39, eccentric adjusting axle main shaft 40, screw lock cylinder over glaze 41, is regulated 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.

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

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, on locating shaft main shaft 98, have the locating shaft screw lock face 97 of indent rectangle, in locating shaft bearing installation shaft 93 upper and lowers, have respectively 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.

During locating shaft bearing 36 outer rings of locating shaft guidance set 4 are snugly 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 is vertically connected in base plate connecting plate one side of rectangular plate shape, the screw mandrel that has indent arc at feed screw nut's installing plate 46 middle parts, by dead slot 47, has respectively 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 each side has two oval shapes at the base plate connecting plate of nut seat 6, by screw, is 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, in wire rod thread 72 rear and front ends, be connected with respectively the safe shaft shoulder 76, the front end of the safe shaft shoulder 76 is above connected with feed screw nut's spacing ring mating surface 81, on the feed screw nut's spacing ring mating surface 81 being connected, by holding screw 62, feed screw nut's spacing ring 58 is installed at the safe shaft shoulder 76 front ends with above; The rear end of the safe shaft shoulder is below connected with bearing inner race locating surface 73, between former and later two angular contact ball bearings 59 of installing, bearing outer ring spacer 60 is installed on the dead eye mating surface 74 of screw mandrel 52; The outer ring of described two angular contact ball bearing 59 outer rings and bearing outer ring spacer 60 is all arranged in the bearing mounting hole 63 of bearing block 50.

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

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

Referring to Figure 14, in the bearing block 50 of screw pair assembly 5, have bearing mounting hole 63, on bearing drive end bearing bracket faying face 67 He 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, 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, there are 4 uniform bearing block attachment screw holes 71, by screw, bearing block rear end cap 51 is arranged on the bearing block rear end cap faying face of bearing block 50.

Claims (6)

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) to be snugly 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, the upper nut assembly (55) that screw pair assembly (5) are installed by screw of feed screw nut's installing plate (46) at nut seat (6), in the bearing block (50) of screw pair assembly (5), in the neutralization of lower planker attachment screw hole (65), in the bearing block connecting thread hole (31) of lower planker (2), be coated with attachment screw, in bearing block dowel hole (66) neutralization of bearing block (50), in the bearing block dowel hole (32) of lower planker (2), be coated with alignment pin, 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 shaking (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 each side there is 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 at base plate (1), 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; On the left of base plate left rail (83), between two eccentric adjusting shaft assembly lock-screw holes (12) at the left surface front and back position place of lower plane, also have two transportation retaining thread holes (18), at the right flank front and back position place of the right guide rail of substrate plate (84) right side lower plane, respectively have a locating shaft guidance set lock-screw hole; On the nut seat installed surface (7) at base plate (1) rear portion, there is nut seat connecting thread hole (14); 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); On the column installed surface (8) of base plate (1) front end, there are column connecting thread hole (13) and wire water pipe through hole (17).

3. spark-erosion perforating machine planker positioning guide mechanism according to claim 1, it is characterized in that in lower planker (2) bottom surface left, 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 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 have respectively lubricated guide level oil filler point (24) and transport retaining thread hole (25).

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

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) is coordinated cylinder over glaze (39), eccentric adjusting axle main shaft (40), screw lock cylinder over glaze (41), is regulated 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, is characterized in that the axis of bearing inner race cooperation cylinder over glaze (39) of eccentric adjusting shaft assembly (3) and the eccentric throw of the axis of eccentric adjusting axle main shaft (40) are 1.5 millimeters.

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