CN208889606U - Ion trap pedestal, ion trap - Google Patents
Ion trap pedestal, ion trap Download PDFInfo
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- CN208889606U CN208889606U CN201821724000.6U CN201821724000U CN208889606U CN 208889606 U CN208889606 U CN 208889606U CN 201821724000 U CN201821724000 U CN 201821724000U CN 208889606 U CN208889606 U CN 208889606U
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Abstract
The utility model discloses a kind of ion trap pedestal, ion trap, ion trap pedestal, the pedestal is used for hyperboloid linear ion hydrazine, and the pedestal includes base body and the through-hole that is arranged on base body, and the through-hole is round hole；It further include the groove body being set in the through hole wall, the quantity of the groove body is four, and groove body is strip groove of the length direction along the through-bore axis direction, and four groove body annulars are distributed on the hole wall；Each groove body penetrates through the both ends of base body.The hyperboloid quadrupole rod includes the pedestal, and the processing method is the processing method of the hyperboloid quadrupole rod.The above structure design and processing method may make the independent processing of four hyperboloid pole bars to become integrated processing, hyperboloid pole bar difficulty of processing can be reduced, improve processing efficiency and finished product rate, while can avoid hyperboloid pole bar and base body in hyperboloid pole bar process and assembling process and forming cumulative errors.
Description
Technical field
The utility model relates to analytical technique of mass spectrum fields, more particularly to a kind of ion trap pedestal, ion trap.
Background technique
Analytical technique of mass spectrum has high sensitivity, high accuracy, the generally spies such as applicable as a kind of key analytical technology
Point is widely used in the multiple fields such as biological medicine, food safety, environmental science, national defense safety.Hyperboloid linear ion hydrazine is
One of mass spectrometric core component, and it is closer to be formed by electric field compared to cylindrical, plate shaped pole bar for hyperboloid pole bar
Ideal electric field, sensitivity and resolution ratio are higher.
Doubled-curved surface profiles precision, surface roughness etc. directly affect the resolving power of ion strap mass analyzer, thus shadow
Mass spectrometric sensitivity and resolution ratio are rung, but hyperboloid high quality difficulty of processing is high, seriously constrains hyperboloid linear ion
The application of trap mass analyzer.The manufacturing method of hyperboloid linear ion trap mass analyzer is usually first individually processing 4 at present
Root pole bar and pedestal, are then assembled together.This method wants single pole bar processing quality, pole bar consistency and assembly precision
Ask high, assembly difficulty is very big, and is difficult to avoid that pole bar surface damage in assembly, so that ion strap mass analyzer processing quality
Not high, yield rate is low, is difficult to realize produce in batches.Simultaneously in the prior art, occur such as that application No. is 201210401200.9
Utility model patent provide a kind of hyperboloid quadrupole rod and its processing method and quadrupole mass spectrometer, using being mentioned in the program
The technical solution of confession can solve first hyperboloid quadrupole rod processing problems to a certain degree.
The structure design and processing technology for advanced optimizing existing hyperboloid linear ion hydrazine, are those skilled in the art institutes
Technical problem urgently to be resolved.
Utility model content
It is this for the structure design for advanced optimizing existing hyperboloid linear ion hydrazine set forth above and processing technology
Field technical staff technical problem urgently to be resolved, the utility model provides a kind of ion trap pedestal, ion trap, above
The structure design of ion trap may make the independent processing of four hyperboloid pole bars to become integrated processing, can reduce hyperboloid pole bar
Difficulty of processing improves processing efficiency and finished product rate, while can avoid in hyperboloid pole bar process and assembling process
Hyperboloid pole bar and base body form cumulative errors；This programme also discloses a kind of processing method, the processing method simultaneously
For the processing method of the hyperboloid quadrupole rod, the processing method process route is simple, can effectively reduce the processing of hyperboloid pole bar
Difficulty improves processing efficiency and finished product rate, while can avoid the cumulative errors for occurring described.
The technological means of this programme is as follows, ion trap pedestal, which is used for hyperboloid linear ion hydrazine, the pedestal
Including base body and the through-hole being arranged on base body, the through-hole is round hole；
It further include the groove body being set in the through hole wall, the quantity of the groove body is four, and groove body is length
Direction is along the strip groove in the through-bore axis direction, and four groove body annulars are distributed on the hole wall；
Each groove body penetrates through the both ends of base body.
In the prior art, base body is generally made of ceramic material, i.e., base body is generally ceramic ring, hyperboloid
Pole bar is generally metallic rod.
In the present solution, being set as that the through-hole of promising round hole is arranged on the base body, and it is arranged on the hole wall of through-hole
There is groove body, be easy to implement in this way: by fixed after the raw material of hyperboloid pole bar will be used as to be inserted into the through-hole, then using such as line
Cutting off machine divides cylinder along the axis of cylinder in a manner of wire cutting, during segmentation, passes through cutting for control wire cutting
Route is cut, the cylinder is divided into the quartering and the medial surface shape of each equal part is made to be hyperboloid, i.e., not in cutting
It is four that only cylinder one, which is divided, while dividing and processing with being molded as one, and four hyperboloid pole bars are obtained after the completion of cutting.
Simultaneously in the present solution, all having a groove body between two hyperboloid pole bars of arbitrary neighborhood when being cut, this
Sample, when carrying out the cutting, each groove body, which is equivalent to, is provided which a space, for avoiding the margin location of cylinder in cutting process
It sets material and disconnects damage base body, i.e., the through-hole scheme with groove body cannot be only used for realizing cylinder in through-hole on the above hole wall
The middle quartering cuts to obtain four hyperboloid pole bars, while in the cutting process, and the groove body is played to base body
Protective effect.
This programme needs to complete to determine between cylinder and base body when using before carrying out the cutting simultaneously
Position, and when the progress positioning, there are multiple fixed points, multiple fixed points make after dicing, gained between cylinder and pedestal
To each hyperboloid pole bar and base body between all have fixed point, in this way, it is ensured that be used to form each hyperboloid pole bar
Material is still located at its formerly location relative to through-hole after completing segmentation.
To sum up, the structure design of pedestal may make the independent of four hyperboloid pole bars to add in the above hyperboloid linear ion hydrazine
Work becomes integrated processing, compared to the prior art, due to not needing to carry out excessive pretreatment, therefore uses with top base scheme
Hyperboloid pole bar difficulty of processing can be reduced, improve processing efficiency and finished product rate, while it is processed to can avoid hyperboloid pole bar
Hyperboloid pole bar and base body form cumulative errors in journey and assembling process.
As the above-described further technical solution of ion trap pedestal:
In the prior art, it is contemplated that the use environment of hyperboloid linear ion hydrazine is carrying out pedestal and the choosing of hyperboloid pole bar
When material, it need to generally use the coefficient of expansion approximate or identical material, but practical when using, the swell increment of hyperboloid pole bar is general
Greater than the swell increment of pedestal, this situation bottom base is to be pressurized when in use, as one kind by avoiding stress from concentrating to play
Protect the technical solution of pedestal effect, setting are as follows: the groove face of each groove body is shiny surface.
The invention also discloses a kind of ion trap, including pedestal and four hyperboloid pole bars being fixed on pedestal,
The pedestal is any one pedestal presented above, and four hyperboloid pole bar annulars are distributed in the through-hole, and any
A groove body is all had between two adjacent hyperboloid pole bars；
The lateral surface of each hyperboloid pole bar is isometrical arc surface, and the respective institute's pair radius value phase of four isometrical arc surfaces
Deng.
In the present solution, being arranged in hyperboloid quadrupole rod are as follows: the lateral surface of each hyperboloid pole bar is isometrical arc surface and appoints
All having a groove body, four isometrical arc surfaces between two adjacent hyperboloid pole bars of anticipating, respectively institute's pair radius value is equal, in this way, i.e.
Using the above-described raw material using cylinder as hyperboloid pole bar, cylinder and molding hyperbolic are divided by way of cutting etc.
Face pole bar obtains final hyperboloid structure of quadrupole.
As the further technical solution of ion trap:
Gap, the width value numerical value model in the gap are all had between the lateral surface of each hyperboloid pole bar and the hole wall of through-hole
It encloses are as follows: 0.01~0.03mm.Using this programme, the above relief width angle value numberical range can not only realize the high-precision of cylinder and through-hole
Degree cooperation, while facilitating and cylinder is inserted into the through-hole；Meanwhile as described above, under normal circumstances due to hyperboloid quadrupole rod
When in use, the swell increment of hyperboloid pole bar is greater than the swell increment of pedestal, and arrangement above is to have 0.01 to 0.03 between the two
The gap width of millimeter, can allow hyperboloid pole bar to generate certain Free Transform, in this way, can effectively avoid base by the gap
Seat is destroyed under the action of hyperboloid pole bar.
As the specific type of attachment of hyperboloid pole bar and base body, each hyperboloid pole bar passes through screw and pedestal sheet
Body is fixedly connected.In the prior art, also there is the implementation connecting using positioning glue realization hyperboloid pole bar with base body, adopt
With the program compared to using glue is positioned, since hyperboloid quadrupole rod is in 200 DEG C or so of working environment at work, use
It is connected with screwing, can effectively avoid in the work of hyperboloid quadrupole rod because positioning glue, which waves decomposition etc., releases gas phase, cause
Positioning glue connection is unreliable or influences the reliability of hyperboloid quadrupole rod performance.
Meanwhile the invention also discloses a kind of processing methods of hyperboloid quadrupole rod, carry out including sequence following
Step:
S1, processing pedestal and acquisition cylinder；
S2, the assembly of cylinder on the base is completed；
S3, processing pole bar hyperboloid；
In step sl, pedestal is processed are as follows: the through-hole of round hole is processed as on the base, after completing through-hole processing, logical
Four groove bodies are processed on the hole wall in hole, the quantity of the groove body is four, and groove body is length direction along the through-hole axis
The strip groove in line direction, and four groove body annulars are distributed on the hole wall；
Each groove body penetrates through the both ends of base body；
The acquisition cylinder are as follows: obtain the cylinder being inserted into the through-hole, and the cylinder is as production hyperboloid
The raw material of pole bar；
In step s 2, the assembly of cylinder on the base is completed are as follows: cylinder is inserted into the through-hole, is completed at the same time pedestal
Fixation between cylinder；
In the step S3, pole bar hyperboloid is processed are as follows: cut to the cylinder along the axis direction of the cylinder
It cuts, obtains four hyperboloid pole bars, when all having a groove body between two hyperboloid pole bar of arbitrary neighborhood, and carrying out the cutting,
Each groove body is used to provide the space of protection base body；
In step s 2, there are multiple fixed points between cylinder and pedestal, multiple fixed points make after completing step S3,
Fixed point is all had between obtained each hyperboloid pole bar and base body.The processing method that this programme provides is compared to existing
Single pole pretreatment in technology prepares hyperboloid pole bar, is a kind of integral preparation method, using this method, at hyperboloid pole bar
The processing is simple, processing request is low for reason, and assembly is simple, easy to operate, and processing flow is simple, and high-efficient, high yield rate is effectively evaded
Single pole bar process and assembling process bring accumulated error.
As the further technical solution of processing method of the hyperboloid quadrupole rod, after completing step S2, cylinder
There is gap, the width value numberical range in the gap are as follows: 0.01~0.03mm between through-hole.Using this programme, above
Gap width value numberical range can not only realize that the high-precision of cylinder and through-hole cooperates, while facilitating cylinder being inserted into the through-hole
In；Meanwhile as described above, under normal circumstances when in use due to hyperboloid quadrupole rod, the swell increment of hyperboloid pole bar is greater than base
The swell increment of seat, arrangement above are that can be allowed between the two by the gap double with 0.01 to 0.03 millimeter of gap width
Curved surface pole bar generates certain Free Transform, is destroyed under the action of hyperboloid pole bar in this way, can effectively avoid pedestal.
Preferably, it is arranged are as follows: the cylinder and through-hole are coaxial.As those skilled in the art, actually hyperboloid quadrupole
Bar does not need to limit when being assembled are as follows: the center of circle corresponding to each hyperboloid pole bar lateral surface for isometrical arc surface is fallen
On the axis of pedestal, using cylinder scheme coaxial with the through hole, it is convenient in subsequent progress cutting processing, so that gained
The pole bar hyperboloid arrived is as far as possible along the axis direction of base body.
In step s 2, the fixation, which is adopted, is screwed.As described above, can effectively ensure that hyperboloid using this programme
The reliability that pole bar is connect with pedestal and the performance reliability conducive to hyperboloid quadrupole rod.
As specific cutting form, in step s3, the cutting uses wire cutting.Using this programme, due to passing through
Base body is the positioning for realizing cylinder, therefore this programme originates in any end of cylinder in cutting, compared to existing
There is linear cutter mode similar in technology, it is no longer necessary to which pole bar hyperbolic is processed to the medium position of hyperboloid pole bar raw material
Edge line section cutting is carried out behind face again.It is mentioned above meanwhile to guarantee the bi-curved machining accuracy of pole bar in hyperboloid pole bar
Out existing processes the pole bar hyperboloid problem larger there is also difficulty of processing to hyperboloid pole bar raw material medium position, adopts
Wire cutting is directly carried out by the end of cylinder with this programme, hyperboloid pole bar difficulty of processing is can effectively reduce, improves processing efficiency
With guarantee machining accuracy.
For the machining accuracy for promoting hyperboloid quadrupole rod, setting are as follows: the wire cutting is completed in cooling medium.As this
It is double to can reach promotion for generated heat in Absorption Line cutting process in this way for field technical staff, the above cooling medium
The purpose of curved surface quadrupole rod machining accuracy.Water can be used in the above cooling medium.
It is each in actually four hyperboloid pole bars for the performance for guaranteeing hyperboloid quadrupole rod as those skilled in the art
It is consistent from corresponding pole bar hyperboloid, therefore " equal part " only actually illustrated in the above expression is a kind of specific fortune
Example.And the mode of " equal part " is used to obtain hyperboloid pole bar conducive to described for consistent pole bar hyperboloid.
The utility model has the following beneficial effects:
In the present solution, the structure design of the above ion trap may make the independent processing of four hyperboloid pole bars to become integration
Processing can reduce hyperboloid pole bar difficulty of processing, improve processing efficiency and finished product rate, while can avoid hyperboloid pole bar and adding
Hyperboloid pole bar and base body form cumulative errors in work process and assembling process；The above processing method is the hyperboloid
The processing method of quadrupole rod, the processing method process route is simple, can effectively reduce hyperboloid pole bar difficulty of processing, improves processing
Efficiency and finished product rate, while can avoid the cumulative errors for occurring described.
Detailed description of the invention
Fig. 1 is the cross-sectional view of one specific embodiment of ion trap described in the utility model；
Fig. 2 is the main view of one specific embodiment of ion trap described in the utility model, which is to turn over counterclockwise
View after turning 90 °.
Appended drawing reference in figure is respectively as follows: 1, base body, 2, hyperboloid pole bar, 3, groove body, 4, through-hole.
Specific embodiment
Below with reference to embodiment, the utility model is described in further detail, but the structure of the utility model is not only
It is limited to following embodiment.
Embodiment 1:
As shown in Figure 1, ion trap pedestal, which is used for hyperboloid linear ion hydrazine, and the pedestal includes pedestal sheet
Body 1 and the through-hole 4 being arranged on base body 1, the through-hole 4 are round hole；
It further include the groove body 3 being set on 4 hole wall of through-hole, the quantity of the groove body 3 is four, and groove body 3 is
Length direction is along the strip groove of 4 axis direction of through-hole, and four 3 annulars of groove body are distributed on the hole wall；
Each groove body 3 penetrates through the both ends of base body 1.
In the prior art, base body 1 is generally made of ceramic material, i.e., base body 1 is generally ceramic ring, hyperbolic
Face pole bar 2 is generally metallic rod.
In the present solution, being set as that the through-hole 4 of promising round hole is arranged on the base body 1, and set on the hole wall of through-hole 4
It is equipped with groove body 3, is easy to implement in this way: by being fixed after the raw material of hyperboloid pole bar 2 will be used as to be inserted into the through-hole 4, then being adopted
With such as wire cutting machine tool, divides cylinder along the axis of cylinder in a manner of wire cutting, during segmentation, cut by control line
The cylinder is divided into the quartering and the medial surface shape of each equal part is made to be hyperboloid, that is, cut by the cutting route cut
Not only dividing cylinder one when cutting is four, while dividing and processing with being molded as one, and four hyperboloids are obtained after the completion of cutting
Pole bar 2.
Simultaneously in the present solution, all having a groove body 3 between two hyperboloid pole bars 2 of arbitrary neighborhood when being cut, this
Sample, when carrying out the cutting, each groove body 3, which is equivalent to, is provided which a space, for avoiding the edge of cylinder in cutting process
Position material disconnects damage base body 1, i.e., 4 scheme of through-hole with groove body 3 cannot be only used for realizing cylinder on the above hole wall
The quartering cuts to obtain four hyperboloid pole bars 2 in through-hole 4, while in the cutting process, and the groove body 3 is played to base
The protective effect of seat ontology 1.
This programme needs to complete to determine between cylinder and base body 1 when using before carrying out the cutting simultaneously
Position, and when the progress positioning, there are multiple fixed points, multiple fixed points make after dicing, gained between cylinder and pedestal
To each hyperboloid pole bar 2 and base body 1 between all have fixed point, in this way, it is ensured that be used to form each hyperboloid pole bar 2
Material relative to through-hole 4, it is still located at after completing segmentation the location of formerly.
To sum up, the structure design of pedestal may make the independent of four hyperboloid pole bars 2 in the above hyperboloid linear ion hydrazine
Processing becomes integrated processing, compared to the prior art, due to not needing to carry out excessive pretreatment, therefore uses with top base side
Case can reduce by 2 difficulty of processing of hyperboloid pole bar, improve processing efficiency and finished product rate, while can avoid hyperboloid pole bar 2 and adding
Work process and assembling process hyperboloid pole bar 2 and base body 1 form cumulative errors.
Embodiment 2:
As shown in Figure 1, the present embodiment is further qualified on the basis of embodiment 1: in the prior art, it is contemplated that hyperbolic
The use environment of area linear ion trap is carrying out pedestal and when 2 selection of hyperboloid pole bar, need to generally use the coefficient of expansion approximate or
Identical material, but it is practical when using, and the swell increment of hyperboloid pole bar 2 is generally higher than the swell increment of pedestal, base in the case of this
Seat is to be pressurized when in use, as a kind of technical solution for playing the role of protecting pedestal by avoiding stress from concentrating, setting
Are as follows: the groove face of each groove body 3 is shiny surface.
Embodiment 3:
As depicted in figs. 1 and 2, present embodiment discloses a kind of ion trap, including pedestal and be fixed on pedestal four
Hyperboloid pole bar 2, the pedestal are any one pedestal presented above, and four 2 annulars of hyperboloid pole bar are distributed in described
In through-hole 4, and a groove body 3 is all had between two hyperboloid pole bars 2 of arbitrary neighborhood；
The lateral surface of each hyperboloid pole bar 2 is isometrical arc surface, and the respective institute's pair radius value phase of four isometrical arc surfaces
Deng.
In the present solution, being arranged in hyperboloid quadrupole rod are as follows: the lateral surface of each hyperboloid pole bar 2 be isometrical arc surface and
3, four isometrical arc surfaces of a groove body are all had between two hyperboloid pole bars 2 of arbitrary neighborhood, and respectively institute's pair radius value is equal, this
Sample, i.e., using the above-described raw material using cylinder as hyperboloid pole bar 2, divide by way of cutting etc. cylinder and at
Type hyperboloid pole bar 2 obtains final hyperboloid structure of quadrupole.
Embodiment 4:
As depicted in figs. 1 and 2, the present embodiment is further qualified on the basis of embodiment 3:
Gap, the width value numerical value in the gap are all had between the lateral surface of each hyperboloid pole bar 2 and the hole wall of through-hole 4
Range are as follows: 0.01~0.03mm.Using this programme, the above relief width angle value numberical range can not only realize cylinder and through-hole 4
High-precision cooperates, while facilitating and cylinder is inserted into the through-hole 4；Meanwhile as described above, under normal circumstances due to hyperboloid four
When in use, the swell increment of hyperboloid pole bar 2 is greater than the swell increment of pedestal to pole bar, arrangement above be have between the two 0.01 to
0.03 millimeter of gap width can allow hyperboloid pole bar 2 to generate certain Free Transform, in this way, can be effective by the gap
Pedestal is avoided to be destroyed under the action of hyperboloid pole bar 2.
As the specific type of attachment of hyperboloid pole bar 2 and base body 1, each hyperboloid pole bar 2 passes through screw and base
Seat ontology 1 is fixedly connected.In the prior art, also there is the realization connecting using positioning glue realization hyperboloid pole bar 2 with base body 1
Scheme, using the program compared to positioning glue is used, since hyperboloid quadrupole rod is in 200 DEG C or so of building ring at work
Border is used and is connected with screwing, is can effectively avoid in the work of hyperboloid quadrupole rod because positioning glue waves the release outlet such as decomposition
Phase causes positioning glue connection unreliable or influences the reliability of hyperboloid quadrupole rod performance.
Embodiment 5:
The present embodiment also discloses a kind of processing method of hyperboloid quadrupole rod, the following steps carried out including sequence:
S1, processing pedestal and acquisition cylinder；
S2, the assembly of cylinder on the base is completed；
S3, processing pole bar hyperboloid；
In step sl, pedestal is processed are as follows: it is processed as the through-hole 4 of round hole on the base, after completing the processing of through-hole 4,
Four groove bodies 3 are processed on the hole wall of through-hole 4, the quantity of the groove body 3 is four, and groove body 3 is length direction along described
The strip groove of 4 axis direction of through-hole, and four 3 annulars of groove body are distributed on the hole wall；
Each groove body 3 penetrates through the both ends of base body 1；
The acquisition cylinder are as follows: obtain the cylinder being inserted into the through-hole 4, and the cylinder is as production hyperboloid
The raw material of pole bar 2；
In step s 2, the assembly of cylinder on the base is completed are as follows: cylinder is inserted into the through-hole 4, is completed at the same time base
Fixation between seat and cylinder；
In the step S3, pole bar hyperboloid is processed are as follows: cut to the cylinder along the axis direction of the cylinder
It cuts, obtains four hyperboloid pole bars 2, a groove body 3 is all had between two hyperboloid pole bar 2 of arbitrary neighborhood, and carry out the cutting
When, each groove body 3 is used to provide the space of protection base body 1；
In step s 2, there are multiple fixed points between cylinder and pedestal, multiple fixed points make after completing step S3,
Fixed point is all had between obtained each hyperboloid pole bar 2 and base body 1.The processing method that this programme provides is compared to existing
There is the single pole pretreatment in technology to prepare hyperboloid pole bar 2, is a kind of integral preparation method, using this method, hyperboloid pole
2 processing of bar is simple, processing request is low, and assembly is simple, easy to operate, and processing flow is simple, high-efficient, high yield rate, effectively
Single pole bar process and assembling process bring accumulated error are evaded.
Embodiment 6:
The present embodiment is further qualified on the basis of embodiment 5, after completing step S2, between cylinder and through-hole 4
With gap, the width value numberical range in the gap are as follows: 0.01~0.03mm.Using this programme, the above relief width angle value number
Value range can not only realize that the high-precision of cylinder and through-hole 4 cooperates, while facilitating and cylinder is inserted into the through-hole 4；Meanwhile such as
Upper described, under normal circumstances when in use due to hyperboloid quadrupole rod, the swell increment of hyperboloid pole bar 2 is greater than the expansion of pedestal
Amount, arrangement above are that can allow hyperboloid pole bar 2 with 0.01 to 0.03 millimeter of gap width by the gap between the two
Certain Free Transform is generated, is destroyed under the action of hyperboloid pole bar 2 in this way, can effectively avoid pedestal.
Preferably, it is arranged are as follows: the cylinder and through-hole 4 are coaxial.As those skilled in the art, actually hyperboloid quadrupole
Bar does not need to limit when being assembled are as follows: the center of circle corresponding to each 2 lateral surface of hyperboloid pole bar for isometrical arc surface is fallen
On the axis of pedestal, using the cylinder scheme coaxial with through-hole 4, it is convenient in subsequent progress cutting processing, so that institute
Obtained pole bar hyperboloid is as far as possible along the axis direction of base body 1.
In step s 2, the fixation, which is adopted, is screwed.As described above, can effectively ensure that hyperboloid using this programme
The reliability that pole bar 2 is connect with pedestal and the performance reliability conducive to hyperboloid quadrupole rod.
As specific cutting form, in step s3, the cutting uses wire cutting.Using this programme, due to passing through
Base body 1 is the positioning for realizing cylinder, therefore this programme originates in any end of cylinder in cutting, compared to
Similar linear cutter mode in the prior art, it is no longer necessary to which pole bar is processed to the medium position of 2 raw material of hyperboloid pole bar
Edge line section cutting is carried out after hyperboloid again.Meanwhile to guarantee the bi-curved machining accuracy of pole bar in hyperboloid pole bar 2, with
On proposed it is existing 2 raw material medium position of hyperboloid pole bar is processed by pole bar hyperboloid there is also difficulty of processing it is biggish
Problem directly carries out wire cutting by the end of cylinder using this programme, can effectively reduce 2 difficulty of processing of hyperboloid pole bar, improves
Processing efficiency and guarantee machining accuracy.
For the machining accuracy for promoting hyperboloid quadrupole rod, setting are as follows: the wire cutting is completed in cooling medium.As this
It is double to can reach promotion for generated heat in Absorption Line cutting process in this way for field technical staff, the above cooling medium
The purpose of curved surface quadrupole rod machining accuracy.Water can be used in the above cooling medium.
It is each in actually four hyperboloid pole bars 2 for the performance for guaranteeing hyperboloid quadrupole rod as those skilled in the art
It is consistent from corresponding pole bar hyperboloid, therefore " equal part " only actually illustrated in the above expression is a kind of specific fortune
Example.And the mode of " equal part " is used to obtain hyperboloid pole bar 2 conducive to described for consistent pole bar hyperboloid.
The above content is the further descriptions made in conjunction with specific preferred embodiment to the utility model, cannot recognize
Determine specific embodiment of the present utility model to be only limited to these instructions.For the common skill of the utility model technical field
For art personnel, the other embodiments obtained in the case where not departing from the technical solution of the utility model be should be included in corresponding real
With in novel protection scope.
Claims (5)
1. ion trap pedestal, which is used for hyperboloid linear ion hydrazine, and the pedestal includes that base body (1) and setting exist
Through-hole (4) on base body (1), which is characterized in that the through-hole (4) is round hole；
It further include the groove body (3) being set on the through-hole (4) hole wall, the quantity of the groove body (3) is four, and groove body (3)
It is strip groove of the length direction along the through-hole (4) axis direction, and four groove body (3) annulars are distributed in the hole wall
On；
Each groove body (3) penetrates through the both ends of base body (1).
2. ion trap pedestal according to claim 1, which is characterized in that the groove face of each groove body (3) is shiny surface.
3. ion trap, including pedestal and four hyperboloid pole bars (2) being fixed on pedestal, which is characterized in that the pedestal is
Pedestal provided by any one of claim 1 to 2, four hyperboloid pole bar (2) annulars are distributed in the through-hole (4),
And a groove body (3) are all had between two hyperboloid pole bars (2) of arbitrary neighborhood；
The lateral surface of each hyperboloid pole bar (2) is isometrical arc surface, and respectively institute's pair radius value is equal for four isometrical arc surfaces.
4. ion trap according to claim 3, which is characterized in that the lateral surface of each hyperboloid pole bar (2) and through-hole (4)
Gap, the width value numberical range in the gap are as follows: 0.01 ~ 0.03mm are all had between hole wall.
5. ion trap according to claim 3, which is characterized in that each hyperboloid pole bar (2) passes through screw and pedestal sheet
Body (1) is fixedly connected.
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| CN201821724000.6U CN208889606U (en) | 2018-10-23 | 2018-10-23 | Ion trap pedestal, ion trap |
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| CN201821724000.6U CN208889606U (en) | 2018-10-23 | 2018-10-23 | Ion trap pedestal, ion trap |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300770A (en) * | 2018-10-23 | 2019-02-01 | 中国工程物理研究院机械制造工艺研究所 | The processing method of ion trap pedestal, ion trap and hyperboloid quadrupole rod |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300770A (en) * | 2018-10-23 | 2019-02-01 | 中国工程物理研究院机械制造工艺研究所 | The processing method of ion trap pedestal, ion trap and hyperboloid quadrupole rod |
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