CN206123319U - Index plate structure - Google Patents

Abstract

The utility model discloses an index plate structure, including mount pad and the graduation carousel of setting on the mount pad, be provided with the rotor with the synchronous rotation of graduation carousel on the mount pad, rotor integrated into one piece has crisscross last skewed tooth guide part that corresponds and lower skewed tooth guide part each other, be provided with on the mount pad in last skewed tooth guide part the conflict piece that slides about in with skewed tooth guide part down, with a fixed connection's that conflicts flexible driving piece, a rebound is conflicted so that conflict to conflict to slide with last skewed tooth guide part and drive from turning the rotation to the drive of flexible driving piece, the drive of flexible driving piece is conflicted the piece and is moved down so that conflicts to slide with skewed tooth guide part conflict down and drive rotor syntropy rotation once more, index plate structure is last to be provided with to conflicting, go up the skewed tooth guide part and inject the oil feed passageway of lubricating oil down on the skewed tooth guide part into, through lubricated lighten conflict with oblique guide part between wearing and tearing.

Description

Indexing dish structure

Technical field

This utility model is related to a kind of indexing means, more particularly to a kind of indexing dish structure.

Background technology

Index dial is, by piece-holder on chuck or two top, and to make its rotation, indexing and the machine tool accessories for positioning, It is used in automation equipment, during automation equipment processing, the halving precision of index dial directly affects workpiece Motion and stationary accuracy, therefore, it is higher for the required precision of index dial, on market it is existing indexing disc-type very Many, most index dial is applied on high speed and precision CNC numerical control machining centers, it is difficult to ensure that low inertia, high sensitivity.

In order to solve the above problems, in a Chinese patent document of the number of patent application for " 201420866027.4 ", A kind of 360 degree of indexing means for clamping-arm tool magazine are described, wherein, indexing member includes worm-drive component, index dial Component and the worm gear driven member rotated with index dial component, are provided with the ball coordinated with spherical spinner on worm-drive component Shape engaging groove, the operation principles of the indexing means are：Worm-drive component drives spherical spinner to be nibbled in spherical engaging groove successively Resultant motion, index dial component are rotated and drive worm gear driven member to rotate, so as to realize that worm gear driven member drives clamping-arm tool magazine Rotate set angle.

But, above-mentioned indexing means is disadvantageous in that, worm-drive component drives spherical spinner in spherical engaging groove In gear motion successively, spherical spinner is coordinated with spherical engaging groove by the spherical arc on its side face, during engagement, Due to there is mismatch error between engaging groove and spherical spinner, the frictional force produced between spherical spinner and spherical engaging groove compared with Greatly, abrasion is more serious, so as to the precision for causing indexing means indexing is reduced.

Utility model content

The purpose of this utility model is to provide a kind of indexing dish structure, mitigates collision piece and upper helical teeth guiding by lubricating Abrasion between portion, lower helical teeth guide part, ensures that the angle that indexing rotary table is rotated is not changed, so as to ensure dividing for indexing structure Degree precision.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of indexing dish structure, Including mounting seat and the indexing rotary table that is arranged in mounting seat, it is provided with the mounting seat and turns with indexing rotary table synchronous rotation Kinetoplast, the rotor is integrally formed with interlaced corresponding upper helical teeth guide part and lower helical teeth guide part, the mounting seat On be provided with that the collision piece of upper and lower sliding in upper helical teeth guide part and in lower helical teeth guide part is fixedly connected with collision piece stretch Contracting actuator, the telescopic drive part drives collision piece to move up so that collision piece contradicts sliding with upper helical teeth guide part carrys out band Dynamic swivel rotation certainly, the telescopic drive part drives collision piece to move down so that collision piece and lower helical teeth guide part contradict sliding To drive rotor rotation in the same direction again, oriented collision piece, upper helical teeth guide part and lower helical teeth are set in the indexing dish structure The oil inlet passage of lubricating oil is injected on guide part.

Collision piece is driven to move up by adopting above-mentioned technical proposal, telescopic drive part, collision piece is oriented to upper helical teeth Portion offsets sliding, to drive indexing rotary table to carry out rotation, realizes the first time indexing of index dial, and telescopic drive part drives collision piece Move down, collision piece and lower helical teeth guide part offset sliding, with the basis of driving indexing rotary table indexing being rotated in first time Carry out indexing rotation again in the same direction, oil inlet passage is set in indexing dish structure, lubricating oil is injected into oil inlet passage, by profit Lubricating oil is lubricated to collision piece and upper and lower helical teeth guide part, contradict between collision piece and upper and lower helical teeth guide part so as to be reduced The frictional force that sliding is produced, to mitigate the abrasion between collision piece and two helical teeth guide parts, ensures the angle that indexing rotary table is rotated Degree is not changed, so as to ensure the indexing accuracy of indexing structure.

Further, it is provided with the indexing dish structure and preventing back for rotor revolution is limited on rotor circumferencial direction Rotation mechanism.

Rotor is limited on rotor circumferencial direction and is returned counterclockwise by adopting above-mentioned technical proposal, anti-rotation mechanism Turn, so that indexing rotary table is after every time indexing is rotated, be not in revolution so that indexing rotate more precisely, it is stable.

Further, the rotation offers the movable chamber extended along rotor axis direction in vivo, and the upper helical teeth is led Include around being arranged on movable chamber inner peripheral wall to portion and the collision piece with moving up contradict the upper helical teeth of sliding, it is described under Helical teeth guide part includes surrounding the lower helical teeth for being arranged on movable chamber inner peripheral wall and sliding being contradicted with the collision piece for moving down, The upper helical teeth is located at the top of lower helical teeth and interlaced distribution, is respectively formed on adjacent two between helical teeth and adjacent twice helical teeth For the gap of the upper and lower sliding of collision piece.

Arrived with the helical teeth conflict on lower helical teeth by adopting above-mentioned technical proposal, collision piece, and as collision piece is not stopped Move up, collision piece promotes rotor rotation clockwise, so as to drive indexing rotary table rotation clockwise, realizes indexing rotary table First time rotate, collision piece during moving down, with lower helical teeth on inclined-plane contradict arrive, collision piece promote rotor Rotated clockwise again so that indexing rotary table again on the basis of rotated clockwise again, realize point The rotation of indexing twice of degree rotating disk, the angle expansion that the indexing for reaching is rotated are twice, it is not necessary to which artificial presetting just can complete angle Bigger indexing is rotated, practical, and by being automatically obtained, comparison is time saving and energy saving.

Further, the rotor includes the upper rotation section being detachably connected and lower rotation section, and the upper helical teeth is arranged On upper rotation section, the lower helical teeth is arranged on lower rotation section, and the lower rotation section is rotated with mounting seat and is connected.

Arranged using split by adopting above-mentioned technical proposal, rotor, which is divided into rotation section and lower rotation section, upper oblique Tooth is arranged on rotation section, and lower helical teeth is arranged on lower rotation section, and upper helical teeth and lower helical teeth are disposed on upper rotation section On lower rotation section, the independent separate machined molding of helical teeth and lower helical teeth in convenience makes the processing of upper and lower helical teeth simpler, square Just.

Further, the indexing rotary table is detachably connected with rotor.

It is detachably connected with rotor by adopting above-mentioned technical proposal, indexing rotary table, is given birth to according to automation equipment Indexing rotary table can be disassembled by the demand of product, staff, then replace with the indexing rotary table of different-diameter, to adapt to production Demand, so as to provide facility for production, practical value height.

Further, detent is offered on the upper rotation section, insertion positioning is provided with the lower rotation section recessed In groove and the locating convex block with detent male-female engagement.

Male-female engagement by adopting above-mentioned technical proposal, locating convex block and detent, install rotation section and The location and installation of upper rotation section and lower rotation section during lower rotation section, is realized by the way of male-female engagement, make rotation section and under It is more accurate that rotation section couples together, and when around own axis, upper rotation section and lower rotation section produce whole rotor The active force of relative rotation is less, rotates rotor more stable.

Further, the guide extended along rotor axis direction is provided with the rotor, the collision piece exists Upper and lower sliding on guide.

By adopting above-mentioned technical proposal, collision piece sliding up and down over the guide, guide is to moving down in collision piece It is dynamic to play a part of guiding, make the movement of collision piece more stable, accurate.

Further, the upper helical teeth guide part is included circumferentially around being arranged on rotor outer circle wall and supply collision piece Contradict the upper skewed slot of sliding wherein upwards, the lower helical teeth guide part is included circumferentially around being arranged on rotor outer circle wall And for the lower skewed slot of collision piece conflict sliding downwards wherein, the upper skewed slot is positioned at the top of oblique groove and interlaced right Should.

Sliding is contradicted in upper skewed slot upwards by adopting above-mentioned technical proposal, collision piece, collision piece is inclined to upper skewed slot One motive force straight up of oblique inwall, the motive force is acted on the inwall of skewed slot, so as to promote tumbler rotation, is turned The rotation of moving part drives indexing rotary table rotation, and to realize that indexing is rotated, collision piece is in lower skewed slot to lower conflict sliding, collision piece To one motive force straight down of tilt internal wall of lower skewed slot, the motive force is acted on the inclined inwall of lower skewed slot, so as to The rotation here of rotor rotation, rotor is promoted to drive indexing rotary table rotation, to realize that second indexing is rotated, by upper and lower The setting of skewed slot, is capable of achieving telescopic drive part when a stroke is worked, and indexing rotary table is indexed rotation twice, is improve point The efficiency that degree rotating disk is rotated.

Further, the collision piece include be set on rotor sleeve, be shaped in sleeve lining and The conflict projection of upper and lower sliding in upper skewed slot and lower skewed slot.

It is enclosed within rotor by adopting above-mentioned technical proposal, sleeve, moving up and down for sleeve drives and contradict projection upper Skewed slot and the upper and lower sliding of lower skewed slot, promote rotor rotation, sleeve to be enclosed within rotation in vitro by upper and lower sliding, rotor can be risen To the effect of protection, make the sliding on upper skewed slot and lower skewed slot of conflict projection more safe and stable, without interruption.

Further, the oil inlet passage surround in the shape of a spiral and is distributed on the inwall of sleeve.

By adopting above-mentioned technical proposal, in the shape of a spiral around being distributed on the inwall of sleeve, lubricating oil exists oil inlet passage Top-down flowing in oil inlet passage, during flowing, lubricating oil moistens to contradicting projection, upper skewed slot and lower skewed slot It is sliding, the smoothness of index dial arrangement works is improved, spiral helicine setting makes lubricating oil more uniformly flow on rotor, The lubricant effect for reaching is more preferably.

In sum, this utility model has the advantages that：1st, collision piece and upper and lower helical teeth are led by lubricating oil It is lubricated to portion, contradict between collision piece and two helical teeth guide parts the frictional force that sliding is produced so as to reduces, mitigates Abrasion between collision piece and two helical teeth guide parts, ensures that the angle that indexing rotary table is rotated is not changed, so as to ensure indexing The indexing accuracy of structure；2nd, rotor is arranged using split, convenient to take rotor split apart, and convenient install collision piece is placed To movable intracavity, be conducive to the assembling of whole index dial, meanwhile, also maintenance can be carried out to the helical teeth up and down of movable intracavity, Make the inclined-plane guide effect that they play more preferably；3rd, lubricating oil top-down flowing in oil inlet passage, in the process of flowing In, lubricating oil is lubricated to contradicting projection, upper skewed slot and lower skewed slot, improves the smoothness of index dial arrangement works, helical form Setting, lubricating oil is more uniformly flow on rotor, the lubricant effect for reaching is more preferably；4th, contradicted by inclined-plane and be oriented to The rotation of rotor is realized, inclined-plane amplifies the moment of torsion of rotation, reached at a high speed, gratuitously；5th, simple structure, easy to operate cost It is low；When the 6th, working, indexing rotary table velocity of rotation is fast.

Description of the drawings

Fig. 1 is the exploded perspective view of embodiment 1, for embodying the overall structure of indexing dish structure；

Fig. 2 is 1 midship section schematic diagram one of embodiment, for embodying the installation site relation of anti-rotation mechanism；

Fig. 3 is the generalized section two of embodiment 1, for embodying the structure after indexing dish structure assembling；

Fig. 4 is the exploded perspective view of rotor in embodiment 1, for embodying upper helical teeth；

Fig. 5 is the structural representation of indexing rotary table in embodiment 1, for embodying the location hole on index dial；

Fig. 6 is the generalized section of embodiment 2, connects and fixes relation for embody upper rotation section and lower rotation section；

Fig. 7 is the exploded perspective view of embodiment 3, for embodying the structure of sleeve and oil inlet passage；

Fig. 8 is A portions enlarged diagram in Fig. 2, for embodying anti-rotation mechanism.

In figure, 1, indexing rotary table；2nd, rotor；201st, upper rotation section；202nd, lower rotation section；3rd, mounting seat；4th, mounting groove； 5th, telescopic drive part；6th, guide pillar；7th, detent；8th, pin-and-hole；9th, keeper；10th, bearing pin；11st, annular slot；12nd, convex Block；13rd, oil discharge passage；14th, snap ring；15th, oil inlet passage；16th, collision piece；1601st, contradict block；1602nd, contradict disk；17th, it is oblique Tooth guide part；18th, upper helical teeth guide part；19th, location hole；20th, spring steel ball；21st, movable chamber；22nd, anti-rotation mechanism；2201、 Spring；2202nd, tilted block；2203rd, surface groove；23rd, cell body；24th, rotary shaft；25th, oblique guide part；2601st, contradict projection； 2602nd, sleeve；27th, upper skewed slot；28th, lower skewed slot.

Specific embodiment

This utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only which is not to restriction of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification for not having creative contribution after this specification is read as needed to the present embodiment, but As long as all being protected by Patent Law in right of the present utility model.

Embodiment 1：A kind of indexing dish structure, as shown in figures 1 and 3, including mounting seat 3, the upper end of mounting seat 3 faces down Depression is formed with mounting groove 4, install and be placed with rotor 2 in mounting groove 4, and rotor 2 is shaped as cylinder, in rotor 2 upper end is removably connected with the indexing rotary table 1 of disc-shape, and 2 rotation of rotor can drive indexing rotary table 1 synchronously to carry out certainly Turn, integrally formed with oblique guide part 25 on rotor 2, the collision piece 16 contradicted with oblique guide part 25 is provided with mounting seat 3 And drive collision piece 16 and sliding is tiltedly contradicted between guide part 25 to promote the telescopic drive part 5 of 2 rotation of rotor, rotating The movable chamber 21 extended along 2 axis direction of rotor is formed with body 2, collision piece 16 is arranged in movable chamber 21, in this reality Apply in example, collision piece 16 includes the conflict block 1601 for contradicting disk 1602 and being shaped on conflict disk 1602 of circle, contradicts Block 1601 protrudes from the round ring-side wall for contradicting disk 1602；In the present embodiment, oblique guide part 25 includes 18 He of helical teeth guide part Lower helical teeth guide part 17, upper helical teeth guide part 18 include the upper helical teeth being arranged on 21 inwall of movable chamber around arrangement, lower helical teeth Guide part 17 includes around the lower helical teeth that is arranged on 31 inwall of movable chamber of arrangement, upper helical teeth in the top of lower helical teeth, and it is upper tiltedly Tooth and lower helical teeth are interlaced corresponding, are respectively formed for gliding in collision piece 16 on adjacent two between helical teeth and adjacent twice helical teeth The gap of shifting, the vertical sectional shape of upper helical teeth is right angled triangle, and the lower end width of upper helical teeth is less than the upper end width of lower helical teeth Degree, equally, the vertical sectional shape of upper helical teeth is right angled triangle, and the upper end width of lower helical teeth is less than the lower end width of lower helical teeth Degree, leaves certain lower section gap between the lower end of two neighboring lower helical teeth, lower section gap is stretched into for contradicting block 1601, and adjacent two Certain top gap is left between the upper end of individual upper helical teeth, top gap also is available for conflict block 1601 and stretches into；Contradict disk 1602 When moved in the movable chamber 21 straight up, contradict on disk 1602 contradict block 1601 and the inclined-plane of upper helical teeth is contradicted, with supporting Tactile disk 1602 is continued to move up, and is contradicted block 1601 and is contradicted with the inclined-plane on upper helical teeth, under the inclined inclined-plane guide effect, Contradict block 1601 to move up to promote rotor 2 to carry out rotation clockwise, so as to drive 1 rotation clockwise of indexing rotary table certain Angle, realize indexing rotate；When contradicting disk 1602 and moved in the movable chamber 21 straight down, the conflict block on disk 1602 is contradicted 1601 from exiting between two upper helical teeth downwards, and moves down, and enters between two lower helical teeth, and with lower helical teeth on Inclined-plane contradict, with contradict block 1601 constantly move down on inclined-plane, make conflict block 1601 promote rotor 2 it is front once On the basis of rotation, rotation clockwise is carried out again, so as to realize that indexing the angle for rotating becomes big；

Telescopic drive part 5 is arranged in mounting seat 3, and is fixedly connected with collision piece 16, in the present embodiment, telescopic drive Part 5 is telescopic drive cylinder, and telescopic drive cylinder is arranged on the lower surface of mounting seat 3, and its piston rod penetrates activity straight up In chamber 21 and upper end is fixedly connected with the lower surface for contradicting disk 1602, during telescopic drive cylinder operation, is driven and is contradicted disk 1602 The upper and lower sliding in movable chamber 21, realizes that contradicting block 1601 is freely lifted in movable chamber 21 automatically, in telescopic drive cylinder Under driving, conflict block 1601 moves up the inclined-plane conflict with upper helical teeth, contradicts block 1601 and moves down the inclined-plane with lower helical teeth Contradict；

The guide extended along 2 axis direction of rotor is provided with movable chamber 21, in the present embodiment, guide is guide pillar 6, the two ends of guide pillar 6 are embedded on the upper and lower end face of movable chamber 21, are contradicted and are offered on disk 1602 vertically through conflict disk 1602 The pilot hole of upper and lower end face, is contradicted disk 1602 and is enclosed within guide pillar 6 by pilot hole, contradicts guide effect of the disk 1602 in lead column Upper and lower sliding down.

As shown in Figure 3 and Figure 4, rotor 2 includes the upper rotation section 201 being detachably connected and lower rotation section 202, upper rotation Portion 201 is shaped as hollow cylinder, and the shape of lower rotation section 202 is also hollow cylinder, and upper helical teeth arranged distribution exists On upper rotation section 201, the oblique gear mutation is distributed on lower rotation section 202, in the present embodiment, mounting groove 4 for circular and Be coated in the circumferential wall of lower rotation section 202, contradict block 1601 move down in plunger shaft, by contradict block 1601 with it is oblique Inclined-plane on tooth is contradicted, and is made the rotation in the mounting groove 4 of lower rotation section 202, is realized that lower rotation section 202 is connected with the rotation of mounting seat 3； The lower surface of upper rotation section 201 offers the detent 7 of the formation that is recessed along 2 axis of rotor upwards, sets on lower rotation section 202 Be equipped with the locating convex block 12 that the upper surface from lower rotation section 202 raises up, locating convex block 12 can be plugged in detent 7 and With 7 male-female engagement of detent, by the way of male-female engagement, rotation section 201 and lower rotation section 202 is made to realize that positioning is matched somebody with somebody Close；Bearing pin 10 is provided with upper rotation section 201, is provided with lower rotation section 202 from 202 upper surface of lower rotation section and is extended downwardly shape Into pin-and-hole 8, bearing pin 10 straight down through being inserted in pin-and-hole 8 behind upper rotation section 201, bearing pin 10 and 8 interference fit of pin-and-hole, Being detachably connected between upper rotation section 201 and lower rotation section 202 is realized by way of interference fit.

As shown in Figure 1 and Figure 5, indexing rotary table 1 is detachably connected with rotor 2, on the outer circumferential sides wall of upper rotation section 201 Depression is formed with along the circular annular slot 11 of 2 axis direction of rotor, and the lower surface of indexing rotary table 1 is recessed upwards and is formed with circle Shape groove, by the circular trough by the upper end of 1 location and installation of indexing rotary table to upper rotation section 201, the circumference internal ring of circular trough surround Snap ring 14 is formed with, snap ring 14 is made up of elastic metallic material, snap ring 14 is to be engaged by clamping with annular slot 11, by both Clamping engagement, realize being detachably connected for indexing rotary table 1 and upper rotation section 201；The upper surface of upper rotation section 201 is fixedly connected There is keeper 9 straight up, in the present embodiment, keeper 9 is embedded in the locating dowel on upper rotation section 201 for fixation, dividing The lower surface of degree rotating disk 1 offers the location hole 19 for extending straight up, is inserted in location hole 19, in realization by locating dowel Rotation section 201 and the location and installation of indexing rotary table 1.

Turn with shown in Fig. 8, being provided with to limit on 2 circumferencial direction of rotor in mounting seat 3 and rotor 2 as shown in Figure 1, Figure 2 The anti-rotation mechanism 22 of 2 turning anticlockwise of kinetoplast, in the present embodiment, anti-rotation mechanism 22 includes tilted block 2202, spring 2201 and surface groove 2203, be formed with the medial wall depression of mounting groove 4 spring 2201 and tilted block 2202 are placed for installing Cell body 23, it is shown in fig. 2, inwall one end of cell body 23 is provided with rotary shaft 24, the lower end of tilted block 2202 is by rotating Axle 24 is rotated with 23 inwall of cell body and is connected, and one end of spring 2201 is fixedly connected towards the side inwall of rotation section with cell body 23, The other end is fixedly connected with the side of 2202 upper end of tilted block, spring 2201 in the raw under, tilted block 2202 it is upper End inclines the inwall for protruding from mounting groove 4, and surface groove 2203 is opened on the outer circumferential sides wall of rotation section 201, and inclined-plane Groove 2203 is gradually rotated up the centroclinal of portion 201 clockwise towards the medial wall of 4 inwall of mounting groove, is rotating When body 2 is not rotated, tilted block 2202 is extend in surface groove 2203 in the case where the spring 2201 of spring 2201 is acted on, and is limited and is rotated 2 turning anticlockwise of body, when rotor 2 is rotated clockwise, the inclined-plane of surface groove 2203 is moved clockwise, so as to suitable Clockwise promotes tilted block 2202 to rotate to cell body 23 around rotary shaft 24, and in this process, spring 2201 is gradually pressed Contracting, so that rotor 2 is able to normal rotation, after certain angle is turned to, tilted block 2202 and next surface groove 2203 is relative, and now, in the presence of 2201 elastic force of spring, its upper end extend in surface groove 2203 tilted block 2202, on The end at end is offseted with the cell wall of 2203 upper end of surface groove, so as to limit 201 turning anticlockwise of upper rotation section so that indexing rotary table 1 complete after indexing every time more precisely, it is stable.

As shown in figures 1 and 3, arrange oriented collision piece 16, upper helical teeth guide part 18 and lower helical teeth in indexing dish structure to lead The oil inlet passage 15 of lubricating oil is injected in portion 17, oil inlet passage 15 is arranged in mounting seat 3 and rotor 2, oil inlet passage 15 Oil-in be located at the lower surface of mounting seat 3, the oil inlet passage 15 penetrates lower rotation section 202 and upper rotation section 201 upwards successively Circumferential side wall on, on the upper end side wall of upper rotation section 201, oil-out is connected the oil-out of oil inlet passage 15 with movable chamber 21 It is logical, after telescopic drive part 5 quits work, lubricating oil can be injected into oil inlet passage 15, lubricating oil is entered in movable chamber 21, Lubricating oil is to upper helical teeth, lower helical teeth and contradicts the surface of block 1601 and is lubricated, make conflict block 1601 respectively with upper helical teeth, oblique The frictional force that generation is contradicted between tooth reduces；Offer on the upper end side wall of upper rotation section 201 and connect inside movable chamber 21 Oil discharge passage 13, oil discharge passage 13 formed along extending around downward spiral along rotor 2 axis direction, the profit in movable chamber 21 Lubricating oil is discharged by oil discharge passage 13, then flowing downward in 13 inner-spiral type of oil discharge passage, during flowing, lubrication Oil is acted between 4 inwall of mounting groove and rotor 2, reduces the frictional force between 4 inwall of rotor 2 and mounting groove.

The course of work of the present embodiment is as follows：Contradict on disk 1602 contradict block 1601 positioned at two adjacent lower helical teeth it Between slot in, telescopic drive cylinder operation, its piston rod drive and contradict disk 1602 and move straight up, so as to drive conflict block 1601, from out, and being contradicted with the inclined-plane of upper helical teeth between lower helical teeth, are continued to move up with disk 1602 is contradicted, rotor 2 Under the inclined-plane guide effect of upper helical teeth, rotation clockwise is carried out, so as to drive 1 rotation clockwise of indexing rotary table, realized once Indexing is turned to, and the piston rod of telescopic drive cylinder is shunk, and is driven conflict block 1601 to move down, now, is contradicted block 1601 It is that helical teeth inclined-plane is relative under the next one adjacent with helical teeth under original, continues downward sliding with block 1601 is contradicted, contradict block 1601 Contradict with the inclined-plane of lower helical teeth, under the guide effect on lower helical teeth inclined-plane, contradict block 1601 and promote rotor 2 to carry out up time again Pin rotation, so as to drive indexing rotary table 1 to be rotated clockwise again, makes indexing rotary table by the way of rotating in same direction twice 1 can index rotation angle it is larger, the scale division value scope of the indexing rotary table 1 of expansion.

Embodiment 2：A kind of indexing dish structure, as shown in fig. 6, difference from Example 1 is, in the present embodiment, The mode that is detachably connected of upper rotation section 201 and lower rotation section 202 is clamping, is provided with the side of locating convex block 12 horizontal Installing hole, in installing hole is installed spring steel ball 20, is provided with the medial wall of detent 7 and is engaged by clamping with spring steel ball 20 Blocked hole（Not shown in figure）, when detent 7 and locating convex block 12 carry out location fit, spring steel ball 20 snaps into clamping In hole, so as to realize being detachably connected for upper rotation section 201 and lower rotation section 202, dismounted by the way of clamping and compared It is convenient, fast.

Embodiment 3：A kind of indexing dish structure, as shown in fig. 7, with the difference of embodiment 1 be, in the present embodiment In, collision piece 16 include be set in outside rotor 2 sleeve 2602, be shaped in 2602 inwall of sleeve and protrude from sleeve The conflict projection 2601 of 2602 inwalls, the bottom for being shaped as drum, telescopic drive part 5 and sleeve 2602 of sleeve 2602 are solid It is fixed to connect, telescopic drive part 5 can drive sleeve 2602 vertically move up and down, contradict the ring in the circumference of sleeve 2602 of projection 2601 Around arrangement, upper helical teeth guide part 18 is included circumferentially around the upper skewed slot 27 being arranged on 2 outer circumferential sides wall of rotor, and lower helical teeth is led Include that, circumferentially around the lower skewed slot 28 being arranged on 2 outer circumferential sides wall of rotor, upper skewed slot 27 is located at lower skewed slot 28 to portion 17 Top, the groove inwall of upper skewed slot 27 are inclined, and inwall inclined direction in side is gradually tilted to the left from bottom to top, sleeve 2602 move up, and so as to drive conflict projection 2601 to move straight up and enter in upper skewed slot 27, contradict projection 2601 Contradict with inclined groove inwall on upper skewed slot 27, and with continuing to move up for projection 2601 is contradicted, contradict projection 2601 Rotor 2 is promoted to rotate counterclockwise；The groove inwall of lower skewed slot 28 is also inclined, and the inclined direction of side inwall is from top to bottom Gradually it is tilted to the left, sleeve 2602 is moved down, drives conflict projection 2601 to be entered in lower skewed slot 28 straight down, contradict convex Block 2601 and 28 inclined inwall of lower skewed slot are contradicted, and with contradict projection 2601 continue move down, contradict projection 2601 Promote rotor 2 to be rotated counterclockwise again, realize that indexing is rotated；

In the present embodiment, oil inlet passage 15 is arranged on the inner peripheral wall of sleeve 2602, and in the shape of a spiral from the top down Around formation, the outboard sidewalls of oil-feed one end port levels insertion sleeve 2602 of oil inlet passage 15, by the port to oil-feed Injection lubricating oil in passage 15, the lubricating oil in oil inlet passage 15 is from up to down flowed, during flowing, lubrication Oil is lubricated to upper skewed slot 27, lower skewed slot 28 and conflict projection 2601, so that contradicting projection 2601 in upper skewed slot 27 Sliding is contradicted more smoothly with lower skewed slot 28, the frictional force of generation is less, so as to reduce indexing the abrasion of dish structure, to carry The precision that high index dial indexing is rotated.

The operation principle of the present embodiment is as follows：5 drive sleeve 2602 of telescopic drive part is moved straight up, and sleeve 2602 exists During moving up, contradict projection 2601 and enter in skewed slot 27, and contradict with the tilt internal wall of upper skewed slot 27, with Conflict projection 2601 to continue to move straight up, contradict the inwall tilted with upper skewed slot 27 of projection 2601 and produce relative cunning Move, contradict projection 2601 and promote rotor 2 to rotate counterclockwise, so as to drive whole indexing rotary table 1 to rotate counterclockwise, realize indexing The first time indexing of rotating disk 1,5 drive sleeve 2602 of telescopic drive part is moved straight down, during moving down, is contradicted Projection 2601 is entered in lower skewed slot 28, and is contradicted with the tilt internal wall of lower skewed slot 28, continues perpendicular with projection 2601 is contradicted Directly move down, contradict projection 2601 and Relative sliding is produced with 28 inclined inwall of lower skewed slot, contradict projection 2601 and promote rotation Body 2 is rotated counterclockwise on the basis of first time indexes again, so as to realize indexing rotation twice, in the course of the work, Lubricating oil flows in oil inlet passage 15, is lubricated to contradicting projection 2601, upper skewed slot 27 and lower skewed slot 28 by lubricating oil, Improve the smoothness of index dial arrangement works.

Claims (10)

1. a kind of to index dish structure, including mounting seat (3) and the indexing rotary table (1) being arranged in mounting seat (3), its feature exists In：Be provided with the rotor (2) with indexing rotary table (1) synchronous rotation on the mounting seat (3), the rotor (2) integrally into Type has interlaced corresponding upper helical teeth guide part (18) and lower helical teeth guide part (17), is provided with the mounting seat (3) The collision piece (16) of sliding, and the fixed company of collision piece (16) up and down in upper helical teeth guide part (18) and in lower helical teeth guide part (17) The telescopic drive part (5) for connecing, the telescopic drive part (5) drives collision piece (16) to move up so that collision piece (16) is oblique with upper Tooth guide part (18) contradicts sliding to drive from swivel rotation, and the telescopic drive part (5) drives collision piece (16) to move down So that collision piece (16) contradicts sliding with lower helical teeth guide part (17) to drive rotor (2) rotation in the same direction again, the indexing Oriented collision piece (16), upper helical teeth guide part are set in dish structure（18）Enter with lubricating oil is injected on lower helical teeth guide part (17) Oily passage (15).

2. indexing dish structure according to claim 1, it is characterised in that：It is provided with rotor in the indexing dish structure (2) the anti-rotation mechanism (22) that rotor (2) is turned round is limited on circumferencial direction.

3. indexing dish structure according to claim 2, it is characterised in that：Offer along rotor in the rotor (2) (2) movable chamber (21) that axis direction extends, the upper helical teeth guide part (18) are included around being arranged in movable chamber (21) inner circle The upper helical teeth of sliding, the lower helical teeth guide part are contradicted on perisporium and with the collision piece (16) for moving up（17）Including around row Cloth contradicts the lower helical teeth of sliding, the upper helical teeth position on movable chamber (21) inner peripheral wall and with the collision piece (16) for moving down In the top of lower helical teeth and interlaced distribution, it is respectively formed for collision piece (16) between helical teeth and adjacent twice helical teeth on adjacent two The gap of upper and lower sliding.

4. indexing dish structure according to claim 3, it is characterised in that：The rotor (2) is including what is be detachably connected Upper rotation section (201) and lower rotation section (202), the upper helical teeth are arranged on rotation section (201), and the lower helical teeth is arranged on On lower rotation section (202), the lower rotation section (202) is rotated with mounting seat (3) and is connected.

5. indexing dish structure according to claim 4, it is characterised in that：The indexing rotary table (1) is removable with rotor (2) Unload connection.

6. indexing dish structure according to claim 5, it is characterised in that：Positioning is offered on the upper rotation section (201) Groove (7), is provided with the lower rotation section (202) in insertion detent (7) and is determined with detent (7) male-female engagement Position projection (12).

7. indexing dish structure according to claim 6, it is characterised in that：It is provided with along rotor on the rotor (2) (2) guide that axis direction extends, the collision piece (16) sliding up and down over the guide.

8. indexing dish structure according to claim 1, it is characterised in that：The upper helical teeth guide part (18) is including circumferential ring It is around being arranged on rotor (2) outer circle wall and supplying collision piece (16) to contradict the upper skewed slot (27) of sliding wherein upwards, described Lower helical teeth guide part（17）Including circumferentially around be arranged on rotor (2) outer circle wall and for collision piece (16) it is downward wherein The lower skewed slot (28) of sliding is contradicted, the upper skewed slot (27) is positioned at the top of lower skewed slot (28) and interlaced correspondence.

9. indexing dish structure according to claim 8, it is characterised in that：The collision piece (16) includes and is set in rotation Sleeve (2602) on body (2), be shaped in sleeve (2602) inwall and in the upper skewed slot (27) and lower skewed slot (28) up and down The conflict projection (2601) of sliding.

10. indexing dish structure according to claim 9, it is characterised in that：The oil inlet passage (15) surround in the shape of a spiral It is distributed on the inwall of sleeve (2602).