CN106205317B - It is rotary-type without scattering four knife slit arrangements - Google Patents

Abstract

The invention discloses a kind of rotary-type without four knife slit arrangements of scattering, including shell, the shell is equipped with the through-hole passed through for light, four moving members that can be screened to light are equipped in the through-hole, four moving members are controlled by independent power part drive respectively, the shell is connected with folder portion, the folder portion is connected to regulating member, which includes for controlling the rail module of folder portion horizontal direction movement, for controlling the adjustment module that folder portion vertical direction moves and the rotary module circumferentially rotated for controlling folder portion；The rotary module includes the rotating member that can drive folder portion synchronous rotary, the regulating part with the actuator of rotating member cooperation and for regulating and controlling rotating member rotational angle, which is connected with actuator.Screening can be adjusted to light from each orientation in the present invention, and it is convenient to adjust, and adjusts precision height, stability is good, simple in structure.

Description

It is rotary-type without scattering four knife slit arrangements

Technical field

The invention belongs to Experiments of Optics apparatus fields, more particularly, to a kind of rotary-type without four knife slit arrangements of scattering.

Background technology

X-ray diffraction method is to measure the important method of protein structures, and synchrotron radiation light source is high-throughput and good Good coherence provides material base for the X-ray interference photoetching technology of development high-resolution and high production.

Synchrotron Radiation is mainly made of storage rings, light beam line and experiment centre, and electronic storage ring is synchrotron radiation light source Main body and core, its performance directly determines the quality of synchrotron radiation light source performance, in order to ensure to provide a user in sky Between synchrotron radiation light highly stable on position, the stabilization of electron beam orbit needs to be controlled in micron dimension.It is needed in light beam line Using a large amount of accurate slit, to limit light beam subtended angle, blocking stray light, improve energy resolution.Usually enter at light beam line station Mouth using a four knife slits at a certain distance from light source point away from the horizontal and vertical acceptance angle of branch beam line is defined, to eliminate Light is scattered, ensures the spatial coherence and beam quality of light beam, and the size of opening can be adjusted as needed.As light beam line In important component, the main function of slit is limitation beam size, improve energy resolution, protection optical components downstream and fixed Adopted secondary souce etc..For the slit for ultrahigh vacuum, the problems such as needing to solve high-precision, high stability, slit itself Performance include the straightness of the edge of a knife, the depth of parallelism and edge of a knife movement repeatable accuracy, in order to ensure above-mentioned performance in ultrahigh vacuum It is smoothly realized in environment, four patch self-movements in four knife slits of no scattering, each blade is driven by a motor, and four A motor brings up a blade in the side of its control respectively and does straight line motion in one dimension, and as defined in positive and negative limit switch Linear motion in stroke range realizes folding using linear actuating device and precise linear guide, and synchrotron radiation light beam is from four It is passed through in the rectangular gap that four blades of knife slit surround.

In the determination experiment of protein structures, by analyzing several groups of slits being horizontally and vertically arranged to intercept out Light beam with highly collimated property, while needing to slit closure center progress Field adjustment, but if four knife slits Single unit system itself is in use it cannot be guaranteed that the accuracy of the stability and mobile accuracy of its movement, above-mentioned slit itself Performance can not also ensure.At present without scattering four knife slits in use, it usually needs user adjusts four knives manually Slit equipment in the horizontal direction, the position of vertical direction or the orientation such as circumferential, it is not only troublesome in poeration, but also degree of regulation is not high, It is adjusted to that the stability behind target bearing is also bad, and then leads to the deviation of experimental data, can not ensure high-precision and stability, It cannot be satisfied the requirement of light beam line.

Invention content

For overcome the deficiencies in the prior art, the present invention, which provides one kind, quickly and accurately adjusting light beam multi-faceted Across the rotary-type without four knife slit arrangements of scattering of position.

The technical solution adopted by the present invention to solve the technical problems is：It is a kind of rotary-type without four knife slit arrangements of scattering, Including shell, the shell is equipped with the through-hole passed through for light, and can be screened to light four are equipped in the through-hole Moving member, four moving members are controlled by independent power part drive respectively, and the shell is connected with folder portion, the folder portion connection In regulating member, which includes the rail module, vertical for controlling folder portion for controlling the movement of folder portion horizontal direction The adjustment module of direction movement and the rotary module circumferentially rotated for controlling folder portion；The rotary module includes that can drive folder portion The rotating member of synchronous rotary, the regulating part with the actuator of rotating member cooperation and for regulating and controlling rotating member rotational angle, the adjusting Part is connected with actuator.Folder portion for four knife slits to be clamped can in the horizontal direction be moved left and right by rail module, Can in the vertical direction be moved up and down by adjustment module, again can by rotary module circumferentially rotate or by movement it is whole A regulating member changes the distance of distance, not only easy to operate to realize folder portion from the change in each orientation, but also adjusts It is high to save precision, adjusting reaches the good stability behind target location, simple in structure.

Further, the rail module includes lower substrate, shaft and can be moved left and right along lower substrate under shaft drive Upper substrate, the upper substrate be equipped with mounting base, the folder portion be set to the mounting base on.Lower substrate remains stationary as, folder portion with Upper substrate synchronizing moving, what all numbers of rotation, rotation direction and the velocity of rotation of shaft determined mounting base moves left and right speed.

Further, the adjustment module includes holder, and the holder, which is equipped with, can push what mounting base moved down to push away Part, the mounting base is interior to be equipped with the return unit for pushing mounting base to move up；The mounting base is equipped with locating shaft, the reset Part one end offsets with the locating shaft.Push piece coordinates with return unit realizes moving up or moving down for mounting base, and push piece moving up or moving down What distance determined mounting base moves up and down distance, to ensure that precision that mounting base moves up and down.

Further, it is arranged with a pair of of angular contact bearing on the rotating member, wherein the side of an angular contact bearing is equipped with Flexible cover board, rotating member is inwardly projecting to form the first tightening platform, which corresponds to the interior of a wherein angular contact bearing Circle, flexible cover board is inwardly projecting to form the second tightening platform, which corresponds to the inner ring of angular contact bearing.Angular contact axis Convenient for eliminating gap, cooperation is even closer for the setting held, and the second tightening platform and the first tightening platform are same when avoiding passing through parbuckle screw When tighten angular contact bearing inner ring and outer ring, the effect of tightening is not achieved.

Further, position opposite with shaft in the upper substrate is removable in the horizontal direction in the cavity equipped with cavity Dynamic to be equipped with elastic component, one end of the elastic component and the inner wall of cavity offset, and the other end and the cover board of elastic component offset, cover board and The inner face of shaft offsets.Gap is formed between cover board and shaft, is increased small damping action, is not only avoided shaft into upper substrate Side is moved, and the feel of rotating shaft is preferable, and excessive frictional force will not be formed between shaft and upper substrate.

Further, the lower substrate is equipped with dovetail groove, and the first teeth portion, the shaft are detachably equipped on the dovetail groove It is equipped with the second teeth portion coordinated with first teeth portion.First teeth portion and the second teeth portion snap-in force are larger, and are engaged closely, will not Gap and inconsistent phenomenon are generated, to the mobile stability and accuracy of improving the standard.

Further, the upper substrate is equipped with locking piece, and the locking piece is equipped with scarf, which can be with swallow Stern notch side wall coordinates with locking upper substrate.It is easily installed and is moved to the limit behind target location in a horizontal direction, avoid its hair Raw offset, influences experiment effect；Scarf can inwardly withstand dovetail groove sidewall, increase frictional force between the two, to avoid Upper substrate and lower substrate shift after up to target location.

Further, the lower substrate is equipped with the limiting section for limiting upper substrate horizontal direction stroke.It avoids installing Seat is excessively moved out pedestal to the left or to the right.

Further, the lower substrate is equipped with scale area, and the upper substrate is equipped with the instruction coordinated with the scale area Part forms the second graduation mark on the indicator.Convenient for the displacement moved on user intuitively read level direction, standard is also allowed for The distance that really control mounting base moves horizontally.

Further, the holder include first baffle and with the vertically disposed second baffle of first baffle, the push piece Set on the first baffle, the second baffle is equipped with the limiting slot of limitation folder portion vertical direction stroke；On the second baffle Equipped with the linear guide coordinated with mounting base.Limiting slot avoids folder portion from excessively moving upward or downward, and when avoiding its movement Double swerve occurs, effectively improves mobile accuracy；The linear guide limits moving up and down for mounting portion, avoids mounting base and the Two baffles shift, and ensure that the accuracy and stability of assembly.

The beneficial effects of the invention are as follows：It can be carried out from the position of upper and lower, left and right and circumferential each four knife slit of orientation pair Adjustment, it is convenient to adjust, and adjusts precision height, assembly precision is high, and stability is good, simple in structure.

Description of the drawings

Fig. 1 is the surface structural schematic diagram of the present invention.

Fig. 2 is pedestal and shaft, the fit structure schematic diagram of locking piece.

Fig. 3 is the part-structure side sectional view of the present invention.

Fig. 4 is the side structure schematic diagram of the present invention.

Fig. 5 is the part back structures schematic diagram of the present invention.

Fig. 6 is the cross-sectional view of folder portion.

Fig. 7 is the main structure diagram of folder portion.

Fig. 8 is the fit structure schematic diagram of rotary module and mounting base.

Fig. 9 is the partial top structural profile illustration of the present invention.

Figure 10 is schematic enlarged-scale view at the A in Fig. 9.

Figure 11 is the partial rear dimensional structure diagram of the present invention.

Figure 12 is the partial elevational dimensional structure diagram of the present invention.

Figure 13 is the fit structure schematic diagram of shell and folder portion.

Figure 14 is the structural schematic diagram that is rotatably assorted of the present invention.

Specific implementation mode

In order to make those skilled in the art be better understood from the present invention program, below in conjunction in the embodiment of the present invention Attached drawing carries out clear, complete description to the technical solution in inventive embodiments, it is clear that described embodiment is only this A part of the embodiment of invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art The every other embodiment obtained without making creative work, should all belong to the scope of protection of the invention.

It is a kind of rotary-type without four knife slit arrangements of scattering, including shell 5, the middle section of shell 5 referring to Fig.1 shown in -14 Form the through-hole 52 that is passed through for light, four sides of the through-hole 52 are movably connected with that there are four moving members, pass through independent power Part 51 respectively drives four moving members, four moving members can moving radially along shell 5, so as to select not With the light in region, it is scanned, the quality that light passes through through-hole 52 can be adjusted.Shell 5 is connected with folder portion 1, the folder Portion 1 is the cylindricality connecting flange being arranged in the through-hole through the forward and backward side of regulating member, the front end lateral wall of folder portion 1 to Annular convex edge is extended to form outside, six mounting holes 11 for running through convex edge are circumferentially evenly equipped on the convex edge, the mounting hole 11 is for solid Surely external shell 5 is connected, the mounting hole 11 of folder portion 1 is directed at the corresponding position on shell 5, mounting hole is then passed through by screw 11 are spirally connected fixation with shell 5, to which when folder portion 1 is removed from regulating member, shell 5 not will produce relative displacement with folder portion 1, Dismounting is flexible.Annular convex edge surface forms two positioning pins 12 to the column construction direction being set on regulating member is prominent.By It needs to carry out under vacuum in partial optical experiment, it, can be real in 1 convex edge of folder portion and external optical in order to increase leakproofness The one side connection O-ring 14 that apparatus casing 5 is in contact is tested, to ensure that folder portion 1 and the sealing of shell 5 coordinate.

When folder portion 1 is sleeved on regulating member, it can be moved freely left and right, be pressed from both sides in the horizontal direction by rail module Portion 1 can be moved freely above and below in the vertical direction by adjustment module, and folder portion 1 can circumferentially freely by rotary module Rotation, to realize that comprehensive position is adjusted.

Specifically, rail module includes pedestal 21, shaft 23 and mounting base 24, pedestal 21 includes upper substrate 211 and lower base Plate 212,212 upper surface of lower substrate form the dovetail groove 213 projected upwards, and the lower surface of upper substrate 211 is formed and dovetail groove 213 The identical card slot of shape, size.Recess forms accommodating cavity to 213 middle section of dovetail groove downwards, can by bolt in the accommodating cavity Dismantling connection has the first teeth portion 22, bolt to be convenient for the replacement of the first teeth portion 22, can extend the service life of entire regulating member. First teeth portion 22 protrudes from the upper surface setting of dovetail groove 213, and the first teeth portion 22 includes multiple helical racks arranged in parallel 221, the inclined angle of length direction of helical rack 221 and the first teeth portion 22 is arranged, and relative to spur rack, helical rack 221 is stung Resultant force bigger, and be not in interocclusal clearance, to which the mobile cooperation between pedestal 21 and shaft 23 is more preferable.Shaft 23 includes stretching Enter the connecting rod 231 inside upper substrate 211 and be fixedly connected on 231 outboard end of connecting rod and holds portion 232 convenient for the rotation of rotation, in order to The use feel of user is promoted, concave convex texture of 232 outer surface of the portion setting for increasing friction force can be held in rotation.Connecting rod The second teeth portion 233 is fixedly connected on 231 outer wall, the rack in the second teeth portion 233 is also to be obliquely installed, and and helical rack 221 inclined direction, angle of inclination are consistent, which can engage with the first teeth portion 22, to hold portion 232 when rotation When connecting rod 231 being driven to rotate, the second teeth portion 233 coordinates with helical rack 221, and upper substrate 211 moves in the horizontal direction with connecting rod 231 It is dynamic.In order to improve the feel of swivel link 231, also for preventing connecting rod 231 from moving inwards, in upper substrate 211 with connecting rod 231 Opposite position offers cavity, and elastic component 234 is movably equipped in the cavity, and elastic component 234 can carry out level in cavity Direction moves left and right, and one end of the elastic component 234 and the inner wall of cavity offset, the other end and 235 phase of cover board of elastic component 234 It supports, the inner face of the right side wall and connecting rod 231 of cover board 235 offsets, between having centainly between connecting rod 231 and cover board 235 Gap avoids frictional force between connecting rod 231 and upper substrate 211 excessive, but the shape between 235 side of 231 end face of connecting rod and cover board At small damping, so that the feel that portion 232 is held in rotation is preferable, elastic component 234 also ensures the second tooth to the elastic force effect of connecting rod 231 The moment is in meshing state between portion 233 and helical rack 221, will not deflect.

Portion 232 is held in rotation, by the cooperation of helical rack 221 and the second teeth portion 233, the upper substrate 211 that is connect with connecting rod 231 The displacement in horizontal direction can be generated with lower substrate 212, i.e. upper substrate 211 is moved along fixed lower substrate 212 or so Dynamic, the speed that portion 232 is held in rotation can determine the speed that upper substrate 211 is moved left and right along lower substrate 212.On upper substrate 211 It is equipped with locking piece 25 close to the position of shaft 23.The locking piece 25 includes connecting shaft 251 and the fixed company stretched into inside upper substrate 211 Being connected on 251 outboard end of connecting shaft is convenient for the second of rotation to hold portion 252.Connecting shaft 251 is located at one end inside upper substrate 211 and forms tool There is the limiting section of scarf 253, when connecting shaft 251 rotates, which does not rotate with connecting shaft 251, but can be in the band of connecting shaft 251 It is moved to the sidewall direction of dovetail groove 213 under dynamic, the gradient of the scarf 253 is adapted with the side wall of dovetail groove 213, that is, turns Dynamic second holds portion 252 when inwardly promoting limiting section, and scarf 253 resists the side wall of dovetail groove 213, due to base in friction force effect Plate 211 is in lockup state, and after avoiding upper substrate 211 from reaching target level position, upper substrate 211 is sent out relative to lower substrate 212 Raw left and right offset；It rotating backward second and holds portion 252, scarf 253 loosens the side wall of dovetail groove 213, i.e., in the unlocked state, this When upper substrate 211 can move left and right.

In order to be visually observed that distance that upper substrate 211 moves horizontally, quarter is equipped on 212 front and back sides of lower substrate Area is spent, and having been portrayed on the leading flank of corresponding upper substrate 211 can indicate with the cooperation of 212 leading flank scale area 261 of lower substrate The graduation mark 216 of displacement distance.In order to avoid upper substrate 211 is moved out lower substrate 212, also for control upper substrate 211 Stroke is moved horizontally, limiting section 218 is set on the trailing flank of lower substrate 212, which can be provided in lower substrate The convex cylinder that 212 trailing flank scale area, 262 both ends outwardly protrude is fixedly connected with indicator 215 on upper substrate 211, this refers to Show and form the second graduation mark 216 on part 215, when indicator 215 is moved at two pillars, can not continue to move to the left or to the right It is dynamic.In order to improve the stability of regulating member entirety, the lower section of pedestal 21 can also be fixedly connected with supporting table 26, supporting table 26 Including being fixedly connected on the support portion 263 of 21 lower section of pedestal and being bolted to connection the platform in 263 bottom of support portion 264, the cross section of platform 264 is more than the cross section of support portion 263, and structure is more when being positioned over horizontal position to regulating member Stablize.The air level that horizontal position whether is positioned over for intuitive observation platform 264 is also associated in the upper surface of platform 264 265, in this present embodiment, 212 leading flank scale area 261 of above-mentioned lower substrate and the setting of 212 trailing flank scale area 262 of lower substrate exist On the leading flank and trailing flank of support portion 263.

Mounting base 24 is in the rectangular parallelepiped structure with cavity, and the middle section of mounting base 24 is formed there through through-hole 242, folder portion 1 is socketed on the through-hole 242.Rotating member 41 is rotatably coupled on through-hole 242, the end of rotating member 41 extends outward to form Flange offers jack 411 on flange, and two positioning pins 12 are inserted into two jacks 411 respectively, form folder portion 1 and rotating member 41 Limit be connected, connected by screw thread after 1 set of folder portion accesses the hollow via-hole of rotating member 41, then in the other end of folder portion 1 Rear end cap 13 is connect, to which the folder portion 1 with shell 5 can be rotated with rotating member 41.

Specifically, adjustment module includes holder 31, in order to improve the accuracy and stability of assembly, simplify assembling process, Holder 31, towards the U-shaped of side, can be integrated formed structure, can also include vertically disposed first baffle in opening 311 and second baffle 312 and the third baffle 313 parallel with first baffle 311.Third baffle 313 is fixed with upper substrate 211 to be connected It connects, and the cross section of third baffle 313 is identical as the cross section size shape of upper substrate 211, is vertically connected on second baffle It is located at the lower position of 311 the same side of first baffle on 312.Second baffle 312 is partially protrude through the lower surface of third baffle 313 Setting, the partial sidewall outstanding and the side wall of upper substrate 211 fit, more to the cooperation between pedestal 21 and holder 31 It is accurate.First baffle 311 is located at the top of mounting base 24, is arranged in parallel with the top surface of mounting base 24, vertical on first baffle 311 It is connected with push piece 32, the push piece 32 is rotated and may pass through first baffle 311 and withstand the upper top surface of mounting base 24 and push down on mounting base 24, the return unit 33 being arranged in 24 cavity of mounting base is compressed, return unit 33 is the spring placed vertically in this present embodiment, peace It fills seat 24 and is equipped with cylindrical locating shaft 241, in order to avoid the lower end of return unit 33 is displaced, the lower end of return unit 33 Resist 241 top surface of locating shaft.24 inner top surface of mounting base is downwardly extending stopper protrusion, and return unit 33 is set in the stopper protrusion On, avoid the upper end of return unit 33 from being displaced.It is moved up when reversely rotating push piece 32, that is, unclamps push piece 32 to mounting base 24 Pressure, return unit 33 drive mounting base 24 move up, displacement distance be 32 lower end of push piece to 24 top surface of mounting base away from From i.e. top surface of the bottom surface of push piece 32 always with mounting base 24 offsets.In order to intuitively observe the distance that mounting base 24 moves up and down, Periphery, which is arranged, in the short transverse of push piece 32 is connected with differential head.

In order to control the range that mounting base 24 moves up and down, opened up on second baffle 312 through second baffle 312 The limiting slot 315 of front and rear wall, which not only limits the distance that folder portion 1 moves up and down, but also avoids occurring when its movement Double swerve.The linear guide 314 there are two being set on second baffle 312, in this present embodiment, the linear guide are spherical guide knot Structure, the both sides of the linear guide 314 offer the screens slot of accommodating ball, position corresponding with the linear guide 314 in mounting base 24 It sets and opens up fluted, the linear guide 314 is just fastened between groove and second baffle 312, to which mounting base 24 can be along The linear guide 314 is mobile in the vertical direction to drive folder portion 1 to move up and down, and increases the stability of displacement on vertical direction, keeps away Exempt to shift, and for the ease of assembly, the linear guide 314 can protrude from the upper surface setting of mounting base 24.

Specifically, rotary module includes the rotating member 41 being set on 24 through-hole 242 of mounting base, rotating member 41 is driven to rotate Actuator 42 and the regulating part 43 that is connected with actuator 42, regulating part 43 protrude from the side setting of mounting base 24.Yu Benshi It applies in example, rotating member 41 and actuator 42 are worm and gear auxiliary structure, and rotary motion part 41 drives worm screw rotation, is set on worm screw Tooth and the tooth engagement on the worm gear, driving worm gear rotation.It is protruded for rack specifically, being offered on the side wall of through-hole 242 Trepanning, the both ends of through-hole 242 are respectively formed the boss of accommodating bearing, in this present embodiment, select the angular contact being arranged in pairs Bearing 243, for the ease of actuator 42, easily driving rotating member 41 rotates, and angular contact bearing 243 is set in the outer of rotating member 41 Side, the side for being located at the angular contact bearing 243 at 24 back side of mounting base is equipped with the flexible cover board 244 of annular, when by tightening screw Inwardly tightening stretch cover board 244 when, the axial gap on both sides is tightened, and 244 is loosened outward when by unclamping the screw cover board that stretches When, the axial gap on both sides increases, and so as to be adjusted according to factors such as use environments, increases cooperation precision.For the ease of The tightening of angular contact bearing 243, the flange inner of rotating member 41 is inwardly projecting to form the first tightening platform 412, the first tightening platform 412 correspond to the inner ring of angular contact bearing 243, correspondingly, the inside of flexible cover board 244, which also protrudes inwardly from, forms the second tightening platform 245, which corresponds to the inner ring of another angular contact bearing 243, when to inwardly tighten angular contact bearing 243, It avoids the second tightening platform 245 and first tightening platform 412 while tightening the inner ring and outer ring of angular contact bearing 243, tightening is not achieved Effect.

For rotation direction that can be in the both sides of mounting base 24 adjusting of rotating drive part 42 simultaneously rotating member 41 and rotation The left regulating part 431 being connected with actuator 42 by bearing and right regulating part is respectively set in the both sides of mounting base 24 in angle 432, two users can be stood respectively in the setting of 432 side of 431 side of left regulating part and right regulating part, synchronized Operation is adjusted, it is not only easy to operate, and also degree of regulation is high.Zeroing part 433, left regulating part are also coaxially provided on left regulating part It is equipped with O-ring 434 between 431 outer wall and the inner wall for the part 433 that returns to zero, is allowed to rest for hold left regulating part 431 when external force When motionless, rotation zeroing part 433, relatively left regulating part 431 moves, and zeroing effect may be implemented, when external force rotates left adjusting When part 431, zeroing part 433 can follow left regulating part 431 to rotate synchronously.The periphery of left regulating part 431 is provided with circular scale, left Regulating part 431 rotate a circle rotation angle be 6 degree, in total setting 60 scales, when to rotate regulating part 43, ring can be compareed Shape scale is adjusted the angle that rotating member 41 is rotated.

Above-mentioned specific implementation mode is used for illustrating the present invention, rather than limits the invention, the present invention's In spirit and scope of the claims, to any modifications and changes that the present invention makes, the protection model of the present invention is both fallen within It encloses.

Claims (10)

1. a kind of rotary-type without four knife slit arrangements of scattering, including shell（5）, the shell（5）Equipped with what is passed through for light Through-hole（52）, the through-hole（52）It is interior equipped with four moving members that can be screened to light, four moving members respectively by Independent power part（51）Control driving, it is characterised in that：The shell（5）With folder portion（1）It is connected, the folder portion（1）It is connected to Regulating member, the regulating member include for controlling folder portion（1）Horizontal direction movement rail module, for controlling folder portion（1） Vertical direction movement adjustment module and for controlling folder portion（1）The rotary module circumferentially rotated；The rotary module includes can Drive folder portion（1）The rotating member of synchronous rotary（41）With rotating member（41）The actuator of cooperation（42）And for regulating and controlling rotating member （41）The regulating part of rotational angle（43）, the regulating part（43）With actuator（42）It is connected.

2. according to claim 1 rotary-type without four knife slit arrangements of scattering, it is characterised in that：The rail module includes Lower substrate（212）, shaft（23）And in shaft（23）It can be along lower substrate under driving（212）The upper substrate moved left and right（211）, institute State upper substrate（211）Equipped with mounting base（24）, the folder portion（1）Set on the mounting base（24）On.

3. according to claim 1 rotary-type without four knife slit arrangements of scattering, it is characterised in that：The adjustment module includes Holder（31）, the holder（31）Mounting base can be pushed by being equipped with（24）The push piece moved down（32）, the mounting base（24） Interior be equipped with pushes mounting base（24）The return unit moved up（33）；The mounting base（24）It is equipped with locating shaft（241）, described Return unit（33）One end and the locating shaft（241）It offsets.

4. according to claim 1 rotary-type without four knife slit arrangements of scattering, it is characterised in that：The rotating member（41）On It is arranged with a pair of of angular contact bearing, wherein an angular contact bearing（243）Side be equipped with flexible cover board（244）, rotating member（41） It is inwardly projecting to form the first tightening platform（412）, the first tightening platform（412）Corresponding to the inner ring of a wherein angular contact bearing, stretch Contracting cover board（244）It is inwardly projecting to form the second tightening platform（245）, the second tightening platform（245）Corresponding to angular contact bearing（243） Inner ring.

5. according to claim 2 rotary-type without four knife slit arrangements of scattering, it is characterised in that：The upper substrate（211） Interior and shaft（23）Opposite position is equipped with cavity, and elastic component is movably equipped in the horizontal direction in the cavity（234）, the bullet Property part（234）One end and the inner wall of cavity offset, elastic component（234）The other end and cover board（235）It offsets, cover board（235） With shaft（23）Inner face offset.

6. according to claim 2 rotary-type without four knife slit arrangements of scattering, it is characterised in that：The lower substrate（212） It is equipped with dovetail groove（213）, the dovetail groove（213）It is upper to be detachably equipped with the first teeth portion（22）, the shaft（23）Be equipped with First teeth portion（22）Second teeth portion of cooperation（233）.

7. according to claim 6 rotary-type without four knife slit arrangements of scattering, it is characterised in that：The upper substrate（211） It is equipped with locking piece（25）, the locking piece（25）It is equipped with scarf（253）, the scarf（253）It can be with dovetail groove（213） Side wall coordinates with locking upper substrate（211）.

8. according to claim 2 rotary-type without four knife slit arrangements of scattering, it is characterised in that：The lower substrate（212） It is equipped with for limiting upper substrate（211）The limiting section of horizontal direction stroke（218）.

9. according to claim 2 rotary-type without four knife slit arrangements of scattering, it is characterised in that：The lower substrate（212） It is equipped with scale area（262）, the upper substrate（211）It is equipped with and the scale area（262）The indicator of cooperation（215）, this refers to Show part（215）The second graduation mark of upper formation（216）.

10. according to claim 3 rotary-type without four knife slit arrangements of scattering, it is characterised in that：The holder（31）Packet Include first baffle（311）With with first baffle（311）Vertically disposed second baffle（312）, the push piece（32）Set on this One baffle（311）, the second baffle（312）It is equipped with limitation folder portion（1）The limiting slot of vertical direction stroke（315）, described Second baffle（312）It is equipped with and mounting base（24）The linear guide of cooperation（314）.