CN204085364U - A kind of quadrupole rod assembly mounting device based on standard mandrel - Google Patents
A kind of quadrupole rod assembly mounting device based on standard mandrel Download PDFInfo
- Publication number
- CN204085364U CN204085364U CN201420507807.XU CN201420507807U CN204085364U CN 204085364 U CN204085364 U CN 204085364U CN 201420507807 U CN201420507807 U CN 201420507807U CN 204085364 U CN204085364 U CN 204085364U
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- benchmark
- quadrupole rod
- rod assembly
- standard mandrel
- pole
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Abstract
The utility model provides a kind of quadrupole rod assembly mounting device based on standard mandrel.Described assembling device contains base plate, reference base, benchmark block I, benchmark block II, benchmark cushion block, standard mandrel, pillar, depression bar, housing screw and pressing plate.Four pole bars put into the standard mandrel being of a size of field circle size the U-shaped cavity of high precision reference be combined to form by benchmark block I, benchmark block II and benchmark cushion block successively, the dimension chain of U-shaped cavity, pole bar and standard mandrel composition determines the locus of four pole bars and the field Circles of quadrupole rod assembly jointly, by hi-Fix glue, electrode seat has been connected quadrupole rod assembled with pole bar auxiliary positioning.
Description
Technical field
The utility model relates to a kind of quadrupole rod assembly mounting device based on standard mandrel, integrated positioning specifically by precision standard axle and accurate benchmark realizes the incircle accurate dimension of quadrupole rod assembly and the refined orientation of pole bar, while reduction is to the accuracy requirement of electrode seat part geometry, ensure quadrupole rod assembly property.Described assembling device is applicable to the quadrupole rod assembly using round section pole bar.
Background technology
Mass spectrometer is the scientific analysis instrument being widely used in the fields such as food security, environment measuring, drug test, and wherein quadrupole mass spectrometer occupies larger proportion in commercial mass spectrometer.Quadrupole rod assembly is the core component of quadrupole mass spectrometer, typical quadrupole rod assembly is that four high precision cylindrical pole bars are connected by screw an assembly part on high-precision ceramic seat, its assembly precision directly has influence on the instrument performances such as mass spectrometric resolution, crucial assembly precision all requires to be less than 3 μm, is typical precision, the assembling of ultraprecise parts.And existing part manufacturing accuracy is difficult to the accuracy requirement that reaches required for dimensional chain for assembly, even the manufacturing accuracy of part is lower than final parts precision requirement.Therefore, need to select reasonable assembly method to ensure quadrupole rod assembly quality.
In the whole assembling process of column type quadrupole rod assembly, the Focal point and difficult point realized is needed to be deviation between four pole bar phase mutual edge distances and parallelism error, and incircle scale error three precision parameters that four pole bars are formed, be wherein core objective to control the size of inscribed circle radius (on the spot radius r 0) again.But in the operating process of reality, because quadrupole rod component internal space is very little, also do not have means accurately can control the error of whole pole pole length scope inscribed circle radius at present, and only to control deviation between four pole bar phase mutual edge distances and depth of parallelism error note assembly precision.And the bar position, pole of current most of quadrupole rod assembly mainly ensures by the inside dimension of electrode seat, to the electrode seat Inner arc locating surface of stupalith the requirement on machining accuracy such as dimensional accuracy, circularity and cylindricity, centre symmetry, axial symmetry, distance dispersion precision between the center of circle high.And Machining of Ceramics difficulty is large, need to change the Focal point and difficult point of quadrupole rod assembled, to realize effective stationary positioned steady in a long-term, ensure the product quality of batch production.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of quadrupole rod assembly mounting device based on standard mandrel, the deviation between quadrupole rod assembly four pole bar phase mutual edge distances and parallelism error can be realized, control the assembling of incircle error simultaneously, reduce the processing and manufacturing accuracy requirement to electrode seat part, enhance productivity.
Quadrupole rod assembly mounting device based on standard mandrel of the present utility model, containing base plate, reference base, benchmark block I, benchmark block II, benchmark cushion block, standard mandrel, pillar, depression bar, housing screw and pressing plate, be characterized in: reference base is fixed on base plate, high-precision reference plane is provided, benchmark block I, benchmark block II and benchmark cushion block are fixed in reference base, be combined into the U-shaped cavity of four pole rods into about Shu Dingwei, successively four pole bars and standard mandrel put into U-shaped cavity; Two pieces pillar is as the mount pad of depression bar, and housing screw is connected with depression bar by screw thread, and use specific purpose tool by housing screw precession, its spheric end crown is tightly placed on the pressing plate on quadrupole rod assembly, realizes the compression of four pole bars spacing.
The structure of standard mandrel and benchmark cushion block is suitable.
The utility model solves the technical scheme that its technical matters adopts: use the base plate with certain plane precision as the installation foundation of all functions part, reference base provides high-precision datum clamp face; Benchmark block I, benchmark block II and benchmark cushion block have precision plane machining precision, be arranged in reference base, form U-shaped positioning cavity, it is the benchmark four pole bars of quadrupole rod mass analyzer being formed to position constraint, wherein benchmark cushion block is for determining the distance between benchmark block I and benchmark block II, and its size is determined according to the size calculating of quadrupole rod mass analyzer field circle size and four pole bars; Described standard mandrel size determines to have accurate dimensional accuracy and form accuracy according to quadrupole rod mass analyzer field circle size.The position length of U-shaped cavity is determined according to four-electrode quality analyzer two electrode seat spacing, the length of standard mandrel and pole pole length relationship match by a certain percentage.The combination of described pillar, depression bar, housing screw and pressing plate realizes locating the compression of four pole bars.During quadrupole rod assembled, by the assemble sequence of regulation, four pole bars and standard mandrel are placed in U-shaped cavity, compress location, measure four every two adjacent stems external side parallel degree of pole bar by special measurement instrument and reach matching requirements, confirm that four pole bars are accurately located; Be inserted in electrode seat and use hi-Fix glue to carry out auxiliary positioning connection, from U-shaped cavity, taking out quadrupole rod assembly after locating glue solidification, finally standard mandrel has been taken out assembling.
Assembling device of the present utility model is by using high-precision positioning datum and standard mandrel combination, by pre-aligned for four of quadrupole rod assembly pole bars, while guarantee four pole bar positional precisions, the flexible standard mandrel of crossing in four-electrode quality analyzer field making to rely under normal circumstances every two adjacent stems of measurement four pole bars and the two pairs of bar external side parallel degree indirectly to ensure directly is controlled, in addition the auxiliary positioning of locating glue connects, only need the electrode seat of common process precision can meet high-precision quadrupole rod assembled, reduce electrode seat part processing precision and assembled to the dependence of personnel's technical ability, and assemble flow high-efficient simple.
The assembling principle of assembling device of the present utility model is applicable to the quadrupole rod assembled of different round section size and different field circle size, only according to the dimension chain relationship match of pole bar, standard mandrel and U-shaped cavity positioning datum, applicability widely need be had.Same assembling device can be used to assemble the different length quadrupole rod assembly of same field circle dimensional requirement, there is good versatility.
Assembling device of the present utility model has unified positioning datum, under the high precision pole bar that batch is provided and standard mandrel situation, the quadrupole rod assembled of mass can be realized, ensure that the product produced in batches has good field circle dimensional uniformity and assembly quality consistance simultaneously.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the structural representation of the standard mandrel in the utility model;
In figure: 1. base plate 2. pillar 3. depression bar 4. reference base 5. benchmark block I 6. housing screw 7. pressing plate 8. standard mandrel 9. quadrupole rod assembly 10. benchmark cushion block 11. benchmark block II.
Embodiment
Below in conjunction with accompanying drawing 1, Fig. 2, Fig. 3, the utility model device is elaborated.
In fig. 1 and 2, reference base 4 is fixed on base plate 1, high-precision reference plane is provided, benchmark block I 5, benchmark block II 11 and benchmark cushion block 10 are fixed in reference base 4 by securing member, be combined into the U-shaped cavity of four pole rods into about Shu Dingwei, U-shaped cavity length is less than quadrupole rod assembly 9 two electrode seat clearance distances.During assembling quadrupole rod assembly 9, according to benchmark cushion block width dimensions, four pole bar sizes, the standard mandrel 8(Fig. 3 needed for calculating by geometric relationship) size; Successively the standard mandrel 8 of four pole bars and apolegamy is put into U-shaped cavity, between pole bar with U-shaped cavity reference field, becomes tangent state, standard mandrel 8 and four pole bars tangent, be four pole bar states of siege.Two pieces pillar 2 is as the mount pad of depression bar 3, housing screw 6 is connected with depression bar 3 by screw thread, use can set the specific purpose tool of moment of torsion by housing screw 6 precession, its spheric end crown is tightly placed on the pressing plate 7 on quadrupole rod assembly 9, realize the compression to four pole bars, snap-in force is controlled by the relation calculating screw-down torque and screw pretightning force.After the location clamping completing pole bar, two of quadrupole rod assembly 9 electrode seats are inserted in from bar two ends, pole respectively, fill appropriate locating glue at pole bar and electrode seat connection of thread again and carry out auxiliary positioning, be screwed into connection securing member, glue to be positioned solidifies rear unloading housing screw 6 completely, from U-shaped cavity, take out quadrupole rod assembly 9, finally by Action of Gravity Field, standard mandrel 8 is taken out, complete assembling process.
Be understandable that, those skilled in the art also can do other change with application in other respects, as long as it does not depart from technique effect of the present utility model based on the utility model spirit.These changes done according to the utility model spirit all should be considered as in the utility model scope required for protection.
Claims (2)
1. the quadrupole rod assembly mounting device based on standard mandrel, containing base plate, reference base, benchmark block I, benchmark block II, benchmark cushion block, standard mandrel, pillar, depression bar, housing screw and pressing plate, it is characterized in that: described reference base (4) is fixed on base plate (1), high-precision reference plane is provided, benchmark block I (5), benchmark block II (11) and benchmark cushion block (10) are fixed in reference base (4), be combined into the U-shaped cavity of four pole rods into about Shu Dingwei, successively four pole bars and standard mandrel (8) are put into U-shaped cavity, two pieces pillar (2) is as the mount pad of depression bar (3), housing screw (6) is connected with depression bar (3) by screw thread, use specific purpose tool by housing screw (6) precession, its spheric end crown is tightly placed on the pressing plate (7) on quadrupole rod assembly (9), realizes the compression of four pole bars spacing.
2. the quadrupole rod assembly mounting device based on standard mandrel according to claim 1, is characterized in that: described standard mandrel (8) is suitable with the structure of benchmark cushion block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507807.XU CN204085364U (en) | 2014-09-04 | 2014-09-04 | A kind of quadrupole rod assembly mounting device based on standard mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507807.XU CN204085364U (en) | 2014-09-04 | 2014-09-04 | A kind of quadrupole rod assembly mounting device based on standard mandrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204085364U true CN204085364U (en) | 2015-01-07 |
Family
ID=52178067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420507807.XU Withdrawn - After Issue CN204085364U (en) | 2014-09-04 | 2014-09-04 | A kind of quadrupole rod assembly mounting device based on standard mandrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204085364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154837A (en) * | 2014-09-04 | 2014-11-19 | 中国工程物理研究院机械制造工艺研究所 | Four-pole assembly assembling device based on standard mandrel |
| CN111390206A (en) * | 2020-03-05 | 2020-07-10 | 烟台艾迪精密机械股份有限公司 | Numerical control blade blank and method for quickly aligning inscribed circle thereof |
-
2014
- 2014-09-04 CN CN201420507807.XU patent/CN204085364U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154837A (en) * | 2014-09-04 | 2014-11-19 | 中国工程物理研究院机械制造工艺研究所 | Four-pole assembly assembling device based on standard mandrel |
| CN111390206A (en) * | 2020-03-05 | 2020-07-10 | 烟台艾迪精密机械股份有限公司 | Numerical control blade blank and method for quickly aligning inscribed circle thereof |
| CN111390206B (en) * | 2020-03-05 | 2021-07-09 | 烟台艾迪精密机械股份有限公司 | Numerical control blade blank and method for quickly aligning inscribed circle thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20170818 |