CN115083882B - Device for mass spectrum reduction of sample injection capillary pollution - Google Patents
Device for mass spectrum reduction of sample injection capillary pollution Download PDFInfo
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- CN115083882B CN115083882B CN202210999677.5A CN202210999677A CN115083882B CN 115083882 B CN115083882 B CN 115083882B CN 202210999677 A CN202210999677 A CN 202210999677A CN 115083882 B CN115083882 B CN 115083882B
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- 238000001819 mass spectrum Methods 0.000 title claims description 6
- 238000002347 injection Methods 0.000 title abstract description 9
- 239000007924 injection Substances 0.000 title abstract description 9
- 230000009467 reduction Effects 0.000 title description 3
- 238000009434 installation Methods 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 210000001503 joint Anatomy 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000011109 contamination Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000004949 mass spectrometry Methods 0.000 abstract description 5
- 238000004458 analytical method Methods 0.000 abstract description 4
- 230000000116 mitigating effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 244000208734 Pisonia aculeata Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/04—Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components
- H01J49/0404—Capillaries used for transferring samples or ions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
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- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The invention belongs to the technical field of mass spectrometry instruments, and discloses a device for mass spectrometry mitigating sample injection capillary tube pollution, which comprises a containing box, a base plate and an installation tube seat, wherein four installation ports are formed in the outer circumference of the installation tube seat, butt-jointed tubes are slidably inserted into the installation ports, and each butt-jointed tube is installed outside the installation tube seat through a strong tensioning cover outside the butt-jointed tube; the containing box is internally provided with a plurality of sand cores An Guguan which are close to each other through a material pushing mechanism and used for sequentially pushing the sand cores An Guguan which are sequentially arranged in the containing box to the right back of the mounting tube seat to wait for replacement. The invention reduces the manual direct participation step, further reduces the pollution probability of the capillary, and the reloading process is realized by the automatic cooperation of the mechanism, so that the time for the instrument to be stopped is greatly shortened, and the high-sensitivity detection and analysis efficiency of the instrument in the high-load operation process can be ensured to the maximum extent.
Description
Technical Field
The invention relates to the technical field of mass spectrometry instruments, in particular to a device for mass spectrometry to alleviate sample injection capillary pollution.
Background
The mass spectrometer can bombard sample molecules with high energy electron streams or the like, causing the molecules to lose electrons and become positively charged molecular and fragment ions. A sample introduction system in a mass spectrometer ensures that molecules of a sample to be detected can efficiently enter a key component of an ionization source on the premise of ensuring the vacuum degree of a mass spectrometer, a capillary tube sample introduction mode is simple in structure, a capillary tube with a certain length and an inner diameter is selected according to the vacuum degree requirement of an ionization area, one end of the capillary tube is arranged in a cavity of the ionization area of the mass spectrometer, the other end of the capillary tube is arranged in the sample to be detected, and then the sample to be detected can continuously and efficiently enter the ionization area of the mass spectrometer by utilizing pressure difference to realize ionization.
In the operation process of the mass spectrometer, a large amount of fine granular impurities exist in a sample, and the fine granular impurities easily enter a sample injection capillary tube to block the pipeline, so that the high-sensitivity detection effect of a sample to be detected is influenced finally.
The existing solution is that a sand core An Guguan is additionally arranged in the middle of a sample injection capillary tube, and the sand core An Guguan is filled with the sand core, but in the high-load operation process of a mass spectrometer, in order to ensure the high-sensitivity detection effect of the instrument, the instrument is required to be shut down for many times and the sand core An Guguan and the sand core are required to be replaced, the replacing process can delay more time and is required to be manually matched, the probability of capillary tube pollution is increased, and in addition, too much downtime caused by replacing the instrument can influence the analysis processing efficiency of the instrument to a certain extent.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, in order to ensure the high-sensitivity detection effect of an instrument, the instrument is required to be stopped for many times and the sand core An Guguan and the sand core are replaced, the replacing process delays much time, manual matching is required, the probability of capillary tube pollution is increased, and in addition, the analysis and treatment efficiency of the instrument is influenced to a certain extent due to excessive downtime caused by replacement, and the device for mass spectrum reduction of sample injection capillary tube pollution is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a device for mass spectrum mitigation of sample injection capillary pollution comprises a containing box, a base plate and an installation tube seat, wherein four installation ports are formed in the outer circumference of the installation tube seat, butt-jointed tubes are arranged in the installation ports in a sliding manner, and each butt-jointed tube is fixed outside the installation tube seat through the pulling limit of a strong tensioning cover outside the butt-jointed tube;
the sand core fixing device is characterized in that a plurality of sand cores An Guguan which are close to each other are arranged in the containing box through a material pushing mechanism and used for sequentially pushing the sand cores An Guguan which are sequentially arranged in the containing box to the right back of the installation tube seat to be replaced, each sand core fixing tube is internally provided with a sand core used for filtering and purifying a sample, the sand cores can be any one or combination of a sintered filter core, a filter membrane and a filter screen, a replacing and integrating mechanism matched with a butt joint tube outside the installation tube seat is arranged at the back of the containing box and used for achieving the close connection of the sand core fixing tube and the sand core in the installation tube seat with a corresponding pair of pairs while replacing the sand core An Guguan and the sand core in the installation tube seat, and a transferring mechanism matched with the installation tube seat is arranged in front of the installation tube seat and used for rapidly and conveniently connecting two pairs of butt joint tubes of the sample storage and the mass spectrometer.
Furthermore, iron sheets are embedded on the left side and the right side of each sand core fixing pipe, two hanging rods are installed at the top of the containing box at intervals, the front ends of the two hanging rods extend into the installation pipe seats and are fixedly provided with T-shaped alignment seats respectively, the two T-shaped alignment seats are arranged in a bilateral symmetry mode, and magnets are embedded on the opposite sides of the two T-shaped alignment seats.
Through the technical scheme, the two magnets on the two T-shaped aligning seats can temporarily fix the sand core An Guguan between the two T-shaped aligning seats, so that the sand core An Guguan is suspended in the installation tube seat when the two abutting tubes in the vertical state are prevented from being far away, and a temporary point position is provided for the placement of the sand core fixing tube in the installation tube seat.
Furthermore, the pushing mechanism comprises at least two pushing springs fixed on the inner side wall of the containing box, one ends of the two pushing springs, which are close to the mounting tube seat, are jointly connected and fixed with a pushing seat, and a rectangular groove for mounting the pushing springs is formed in one side, which is far away from the mounting tube seat, of the pushing seat.
Through the technical scheme, the existence of the rectangular groove can play a role of a baffle for the material pushing spring, and the phenomenon that when the sand core fixing pipe is added again from the bottom side of the containing box is avoided, the material pushing spring accidentally clamps the clamp for putting the sand core fixing pipe is avoided.
Furthermore, the integrated changing and fixing mechanism comprises a changing seat, a transmission seat and two cantilevers, the transmission seat is fixedly installed beside the containing box through a pair of connecting and fixing frames, a U-shaped frame is fixedly installed on the back side of the containing box, a telescopic rod piece is fixedly installed on the inner side wall of the U-shaped frame, the front end of the telescopic rod piece is fixedly connected with the back side of the changing seat, and the changing seat is movably arranged in the U-shaped frame;
piston rods II are inserted into the upper and lower sides of the front end of the transmission seat in a sliding manner, the opposite ends of the two piston rods II are fixedly connected with the vertical end faces of the two cantilevers respectively, extension springs are sleeved outside the two piston rods, the head end and the tail end of each extension spring are fixedly connected with the corresponding cantilever end face and the front end side of the transmission seat respectively, and hanging parts are mounted at the transverse and straight ends of the two cantilevers;
a first piston rod is inserted into the side face of the rear end of the transmission seat in a sliding manner, a roller is rotatably mounted at one end of the first piston rod, which extends out of the transmission seat, through a C-shaped frame, a compression spring is sleeved outside the first piston rod, and the head end and the tail end of the compression spring are fixedly connected with the side face of the rear end of the transmission seat and the side face of the C-shaped frame respectively;
and the backing plate is provided with a driving assembly matched with the roller and the material changing seat.
Through the technical scheme, the used sand core fixing pipes in the installation pipe seat can be pushed out, the sand core fixing pipes which are arranged right opposite to the installation pipe seat in the containing box are pushed forwards into the installation pipe seat, and the two cantilevers and the two hanging and connecting parts can be matched with each other in a state that the two butt-joint pipes in the vertical state are pulled outwards and reset to be compressed, so that the replacement operation of the sand core An Guguan and the corresponding sand core in the sand core 5363 is facilitated.
Further, the hanging part is including inlaying the pivot two of inlaying the dress at cantilever tip, the two outer rotations of pivot are connected with dials the pulling-on piece, dial the pulling-on piece and be the setting of L shape, just two concrete settings of pivot are the damping pivot, every the dorsal part of butt joint pipe all seted up with dial the card of pulling-on piece appearance looks adaptation and support the recess.
Through the technical scheme, the pulling piece needs to be lifted backwards in the rotating process of the mounting tube seat, namely, the bent convex end of the pulling piece is withdrawn from the original butt joint tube, so that the butt joint tube can be conveniently rotated and adjusted along with the mounting tube seat.
Further, drive assembly installs pivot one on the backing plate including rotating, the fixed cover in proper order in the upper end of pivot one has connect carousel and cam, the setting that offsets between cam and the gyro wheel, the top of carousel passes through the connecting rod and links to each other with the transmission of reloading seat, the fixed cover of lower extreme of pivot one has connect the worm wheel, the installation is fixed with on the backing plate and drives the commentaries on classics motor, drive the output fixedly connected with worm of commentaries on classics motor, the meshing is connected between worm and the worm wheel.
Through above-mentioned technical scheme, a pivot is rotated the round, and the carousel rotates the round like this and can realize pushing forward and the mesh that resets backward to the seat of reloading in the U-shaped frame with the connecting rod cooperation, and the cam rotates the round and can realize two cantilever area and dial far removing of pulling-on piece and drawing close the mesh between two parties.
Furthermore, a second pin column is hinged to the inner side wall of the material changing seat, the upper end of the second pin column is rotatably connected to the front end of the connecting rod, a first pin column is rotatably inserted into the rear end of the connecting rod, and the lower end of the first pin column is rotatably inserted into the top of the rotary table.
Through the technical scheme, the rotating turntable can drive the material changing seat to longitudinally move along the horizontal plane in the U-shaped frame.
Furthermore, an inclined plane is formed in one side of the front end of the material changing seat, and the inclined plane is arranged on the side face, far away from the transmission seat, of the material changing seat.
Through the technical scheme, one side of the front end of the material changing seat is in a blade shape due to the arrangement of the inclined surface, so that the sand core An Guguan needing to be pushed forwards in the containing box and the sand core An Guguan beside the sand core 5363 can be separated.
Further, transfer mechanism includes ring gear, rotating ring body and rotation mounting bracket, the interval is installed at two side and is decided the frame about the front side of holding the box, rotate mounting bracket fixed mounting and decide the front end of frame at two sides, rotating ring body rotates and installs within rotating the mounting bracket, rotating ring body's back links to each other with the preceding terminal surface of installation tube socket is fixed, rotating ring body's preceding terminal surface fixedly connected with ring gear, the front side of holding the box is installed with revolving cylinder, revolving cylinder's output fixed mounting has the pinion, the meshing is connected between pinion and the ring gear.
Through the technical scheme, the installation tube seat and the gear ring are connected and fixed, the gear ring rotates to realize the rotation of the installation tube seat, so that the transposition of two pairs of butt joint tubes in the installation tube seat can be realized, and the butt joint end parts of the capillary tubes are detached from the two butt joint tubes in the vertical state before rotation.
Furthermore, a feed inlet is formed in the bottom side of one end, far away from the mounting tube seat, of the containing box, and a narrow plate matched with the feed inlet is hinged to the bottom side of the containing box through a hinge.
Through the technical scheme, the narrow plate is hinged, so that the feeding opening is plugged after a new batch of sand core fixing pipes are added, and the condition that foreign matters invade into the containing box to pollute the sand core fixing pipes when the narrow plate is stored for a long time is avoided.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the old sand core fixing pipe in the installation pipe seat can be pushed out by changing the forward pushing effect of the material changing seat in the integrated mechanism, and the sand core fixing pipe which is arranged in the containing box and is right opposite to the installation pipe seat is pushed forward into the installation pipe seat, wherein the two cantilevers and the two hanging and connecting parts can be matched with the two butt-joint pipes in the vertical state in a state of pulling outwards and resetting and pressing, so that the sand core An Guguan and the corresponding sand core in the sand core are convenient to replace, compared with the prior art, the direct manual participation steps are reduced, the pollution probability of a capillary is further reduced, the replacing process is realized by means of automatic matching of the mechanism, the time length of the instrument needing to be stopped is greatly shortened, and the high-sensitivity detection and analysis efficiency of the instrument in the high-load operation process can be ensured to the maximum extent;
2. in the process of replacing the sand core An Guguan and the sand core in the sand core, the withdrawing action of the replacing seat is closely linked with the back pressure actions of the two butt joint pipes in the vertical state, so that the installation airtightness and firmness of the replaced sand core An Guguan and the sand core in the two vertical state parts in the installation pipe seat can be ensured, and the continuous and normal action of the capillary tube is ensured;
3. the forward pushing of the reloading seat and the forward pushing of the sand core fixing pipe in the containing box are effectively combined, the reloading seat is smoothly matched as a bullet is loaded, only enough sand core fixing pipes are added into the containing box once, the equipment can run for a long time, the connecting part of the capillary tube in the instrument is replaced, and the efficiency and the trouble are saved.
Drawings
FIG. 1 is a first three-dimensional structure of the present invention;
FIG. 2 is a schematic diagram of a three-dimensional structure of the present invention;
FIG. 3 is a schematic view of the connection of the hanger bar, the T-shaped alignment seat and the magnet according to the present invention;
FIG. 4 is a schematic connection diagram of the container box, the backing plate, the transmission seat, the mounting tube seat and the integrated replacing mechanism;
FIG. 5 is a first three-dimensional schematic diagram of the main components of the present invention;
FIG. 6 is a second three-dimensional schematic view of the main components of the present invention;
FIG. 7 is an enlarged view of the main components of the base plate, the transmission seat and the suspension arm;
FIG. 8 is a schematic view of the combination of the turntable, the change base, the sand core An Guguan, the iron sheet and the sand core of the present invention.
The reference numbers in the figures illustrate:
1. a containing box; 2. a base plate; 3. a transmission seat; 4. a cantilever; 5. installing a tube seat; 6. butt-joint pipes; 7. a ring gear; 8. a rotating cylinder; 9. a pinion gear; 10. a boom; 11. a T-shaped alignment seat; 12. driving a motor; 13. a turntable; 14. a connecting rod; 15. a U-shaped frame; 16. a telescopic rod member; 17. a material changing seat; 1701. a bevel; 18. a magnet; 19. a connecting and fixing frame; 20. a first rotating shaft; 21. a worm; 22. a worm gear; 23. a cam; 24. a strong tensioning cover; 25. a pusher spring; 26. a material pushing seat; 27. sand core An Guguan; 28. pulling the pull piece; 29. a second rotating shaft; 30. a first piston rod; 31. a compression spring; 32. a roller; 33. a piston rod II; 34. an extension spring; 35. iron sheets; 36. a sand core; 37. a first pin; 38. a pin II; 39. a rotating ring body; 40. rotating the mounting rack; 41. and (5) laterally fixing the frame.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1-8, the apparatus for reducing contamination of a sample injection capillary by mass spectrometry in this embodiment includes a containing box 1, a backing plate 2 and an installation tube seat 5, the backing plate 2 is fixed at the back of the containing box 1, four installation ports are formed in the periphery of the installation tube seat 5, a butt joint tube 6 is slidably inserted into each installation port, each butt joint tube 6 is stably pulled and limited outside the installation tube seat 5 by a strong tension cover 24 outside the butt joint tube 6, the strong tension cover 24 may be an alloy sleeve with strong pull-back capability, so as to tightly pull the butt joint tube 6 slidably inserted into the installation port into the installation tube seat 5, ensure that a sand core fixing tube 27 outside the sand core 36 is firmly clamped between two butt joint tubes 6 in the installation tube seat 5 in a vertical state, and cooperate with the capillary to transmit a sample between a sample storage and an ionization region cavity of an instrument;
the sand core fixing pipes 27 are arranged next to each other in the containing box 1 through a material pushing mechanism and used for sequentially pushing the sand core fixing pipes 27 sequentially arranged in the containing box 1 to the right back of the installation pipe seat 5 to be replaced, sand cores 36 used for filtering and purifying samples are arranged in each sand core fixing pipe 27, the lower portions of the sand cores 36 can be connected with one-way valves arranged in the sand core fixing pipes 27 to avoid the samples from moving backwards and flowing backwards in capillary tubes, a replacing and integrating mechanism matched with the corresponding butt joint pipe 6 outside the installation pipe seat 5 is arranged behind the containing box 1 and used for achieving tight connection of the sand core fixing pipes 27 and the sand cores 36 in the installation pipe seat 5 and corresponding butt joint pipes 6 in the installation pipe seat 5 when replacing the sand core fixing pipes 27 and the sand cores 36 in the installation pipe seat 5, and a transferring and adjusting mechanism matched with the installation pipe seat 5 is arranged in front of the installation pipe seat 5 and used for carrying out rapid replacement on the two pairs of butt joint pipes 6 communicated with the sample storage and the mass spectrometer.
Iron sheets 35 are embedded in the left side and the right side of each sand core fixing pipe 27, two suspenders 10 are installed at the top of the containing box 1 at intervals, the front ends of the two suspenders 10 extend into the installation pipe seat 5 and are respectively fixedly installed with T-shaped aligning seats 11, the two T-shaped aligning seats 11 are arranged close to the front end face of the installation pipe seat 5, the influence on the azimuth replacement of the two pairs of abutting pipes 6 in the rotating installation pipe seat 5 is avoided, the two T-shaped aligning seats 11 are symmetrically arranged in the left-right direction, and the magnets 18 are embedded in the opposite sides of the two T-shaped aligning seats 11, so that the two magnets 18 on the two T-shaped aligning seats 11 can temporarily fix the sand core fixing pipe 27 between the two T-shaped aligning seats 11, when the two abutting pipes 6 in the vertical state are far away, the sand core fixing pipes 27 are arranged in the installation pipe seat 5 in a suspended mode, a temporary fixing point is provided for the sand core fixing pipes 27 in the installation pipe seat 5, and the situation that the two abutting pipes 6 in the vertical state close to the sand core fixing pipe seat 27 are clamped tightly at the head end and the tail ends of the sand core fixing pipe 27 can be avoided, and the unstable clamping effect can be also be ensured.
The material pushing mechanism comprises at least two material pushing springs 25 fixed on the inner side wall of the containing box 1, one ends, close to the mounting tube seat 5, of the two material pushing springs 25 are jointly connected and fixed with a material pushing seat 26, one side, far away from the mounting tube seat 5, of the material pushing seat 26 is provided with a rectangular groove for mounting the multiple material pushing springs 25, the rectangular groove can play a role of enclosure for the material pushing springs 25, when the sand core fixing tube 27 is added from the bottom side of the containing box 1 again, the material pushing springs 25 accidentally clamp a clamp for putting in the sand core fixing tube 27, when the sand core fixing tube 27 is added, the material pushing seat 26 needs to be pushed back to one side, far away from the mounting tube seat 5, the newly-put sand core fixing tube 27 can be in a maximized space, most of the material pushing springs 25 in a contracted state can be retracted in the material pushing seat 26 at the moment, and the situation that the material pushing springs 25 clamp the clamp for putting in the sand core fixing tube 27 is avoided.
The bottom side of one end of the containing box 1, which is far away from the mounting tube seat 5, is provided with a feeding port, the length of the feeding port is slightly smaller than that of the containing box 1, the feeding port cannot be too small, when the too small feeding port is consumed by the sand core fixing tube 27 which is fed in the containing box 1 in advance, the material pushing seat 26 is positioned at the position close to the side surface of the material replacing seat 17, so that the material pushing seat 26 cannot be pulled back conveniently, a narrow plate matched with the feeding port is hinged to the bottom side of the containing box 1 through a hinge, the narrow plate is hinged to be installed, the feeding port is plugged after a new batch of sand core fixing tubes 27 are added conveniently, and foreign matters are prevented from invading into the containing box 1 to pollute the sand core fixing tube 27 when the sand core fixing tube is stored for a long time.
The replacing and fixing integrated mechanism comprises a replacing seat 17, a transmission seat 3 and two cantilevers 4, the transmission seat 3 is fixedly arranged beside the containing box 1 through a pair of connecting and fixing frames 19, a U-shaped frame 15 is fixedly arranged on the back side of the containing box 1, a telescopic rod piece 16 is fixedly arranged on the inner side wall of the U-shaped frame 15, the front end of the telescopic rod piece 16 is fixedly connected with the back side of the replacing seat 17, the telescopic characteristic of the replacing seat 17 in the U-shaped frame 15 ensures that the replacing seat 17 can only longitudinally translate back and forth along the horizontal direction, the use stability of the replacing seat 17 which has main replacing effect and needs to reciprocate is improved, and the replacing seat 17 is movably arranged in the U-shaped frame 15;
the inclined plane 1701 is arranged on one side of the front end of the material changing seat 17, the inclined plane 1701 is arranged on the side face, far away from the transmission seat 3, of the material changing seat 17, and due to the arrangement of the inclined plane 1701, one side of the front end of the material changing seat 17 is in a blade shape, so that a sand core An Guguan needing to be pushed forwards in the containing box 1 can be separated from a sand core fixing pipe 27 beside the sand core, each time of pushing of the material changing seat 17 is guaranteed, only one sand core fixing pipe 27 can be pushed, and the running accuracy of the equipment is guaranteed.
Piston rods two 33 are inserted into the upper side and the lower side of the front end of the transmission seat 3 in a sliding manner, the opposite ends of the two piston rods two 33 are fixedly connected with the vertical end faces of the two cantilevers 4 respectively, extension springs 34 are sleeved outside the two piston rods two 33, so that the two piston rods 33 can be matched with the cantilevers 4 and the pull pieces 28 connected with the two piston rods two 33 to translate in the vertical direction, the purposes of pulling out and removing the two butt-joint pipes 6 in the vertical state and resetting and locking are achieved, the head end and the tail end of each extension spring 34 are fixedly connected with the end face of the corresponding cantilever 4 and the front end face of the transmission seat 3 respectively, hanging parts are installed at the transverse straight ends of the two cantilevers 4 and are used for carrying out the clockwise driving on the two butt-joint pipes 6 in the vertical state;
a first piston rod 30 is inserted on the side surface of the rear end of the transmission seat 3 in a sliding manner, a roller 32 is rotatably mounted at one end of the first piston rod 30, which extends out of the transmission seat 3, through a C-shaped frame, the roller 32 is matched with the cam 23 to reduce and avoid the retardation phenomenon when the cam 23 presses against the first piston rod 30, so that the transmission smoothness is ensured, a compression spring 31 is sleeved outside the first piston rod 30, the head end and the tail end of the compression spring 31 are fixedly connected with the side surface of the rear end of the transmission seat 3 and the side surface of the C-shaped frame respectively, the compression spring 31 is used for tightly pressing the roller 32 against the outside of the cam 23, and the purpose of reciprocating movement of the first piston rod 30 is realized by matching the appearance change of the rotating cam 23;
the inner cavity of the transmission seat 3 is filled with hydraulic oil between the two piston rods two 33 and the piston rod one 30, so that the two piston rods two 33 and the piston rod one 30 can be adaptively displaced;
install on the backing plate 2 with gyro wheel 32 and the drive assembly of reloading seat 17 assorted, realize reloading seat 17 and two cantilevers 4, two group pulling-on pieces 28 and two vertical states's the synchronous drive of butt joint pipe 6 through setting up of a subassembly, the cooperation is inseparable, link up the practicality.
Drive assembly installs pivot one 20 on backing plate 2 including rotating, the upper end of pivot one 20 is fixed in proper order has cup jointed carousel 13 and cam 23, carousel 13 rotates the round can with connecting rod 14 cooperation realize the preceding promotion and the mesh of reseing backward of refueling seat 17 in U-shaped frame 15, offset setting between cam 23 and the gyro wheel 32, connecting rod 14 and the transmission of refueling seat 17 are passed through at the top of carousel 13 and link to each other, cam 23 rotates the round can realize two cantilevers 4 and takes two to dial the far withdrawing of pulling-on piece 28 and draw close the mesh centrally, the fixed cover of lower extreme of pivot one 20 has connect worm wheel 22, the installation is fixed with on the backing plate 2 and drives motor 12, the output fixedly connected with worm 21 of driving motor 12, worm 21 is connected with worm wheel 22 within a definite time meshing, worm 21 and worm wheel 22 meshing transmission can slow down the rotational speed of driving motor 12 output, make the rotational speed of pivot one 20 slow down, carousel 13 and cam 23 slew velocity is more stable and moderate.
The inner side wall of the material changing seat 17 is hinged with a second pin 38, the upper end of the second pin 38 is rotatably connected to the front end of the connecting rod 14, the rear end of the connecting rod 14 is rotatably inserted with a first pin 37, and the lower end of the first pin 37 is rotatably inserted into the top of the rotary table 13, so that the rotary table 13 can drive the material changing seat 17 to longitudinally move along a horizontal plane in the U-shaped frame 15, the realized key element is that the head end and the tail end of the connecting rod 14 are hinged or rotatably connected with the rotary table 13 and the material changing seat 17, and the fixed effect is that the pushing effect of the rotary table 13 on the material changing seat 17 cannot be realized.
The transfer mechanism comprises a gear ring 7, a rotating ring body 39 and a rotating mounting frame 40, two side fixing frames 41 are installed on the front side of the containing box 1 at intervals up and down, the rotating mounting frame 40 is fixedly installed at the front ends of the two side fixing frames 41, the rotating mounting frame 40 supporting the rotation of the rotating ring body 39 is fixedly arranged in front of the mounting tube seat 5 through the two side fixing frames 41, the rotating ring body 39 is rotatably installed in the rotating mounting frame 40, the back of the rotating ring body 39 is fixedly connected with the front end face of the mounting tube seat 5, the front end face of the rotating ring body 39 is fixedly connected with the gear ring 7, the mounting tube seat 5 and the gear ring 7 are fixedly connected, the gear ring 7 can rotate the mounting tube seat 5, then, transposition of the two pairs of butt joint tubes 6 in the mounting tube seat 5 can be realized, the butt joint end parts of capillary tubes are detached from the two butt joint tubes 6 in the vertical state before rotation, the two standby butt joint tubes 6 in the horizontal state are rotated to the vertical state for standby, the two standby butt joint tubes 6 in the horizontal state can be isolated through a sealing cover to prevent foreign bodies from adhering to the two butt joint tubes 6 in the horizontal state, the special rotary cylinder can be conveniently adjusted, the rotary cylinder 8, and the rotary cylinder can be conveniently connected with the rotary cylinder 8, and the rotary cylinder.
The specific implementation steps of the method are as follows: when the old sand core mounting pipe 27 in the mounting pipe seat 5 needs to be replaced, the driving motor 12 drives the worm 21 to rotate, the worm 21 rotates to drive the worm wheel 22 to rotate, the worm wheel 22 rotates for one circle, namely, the driving motor 12 stops rotating once,
thus, the first half circle cam 23 rotates to press the roller 32, the first piston rod 30 is pressed into the transmission seat 3, the second piston rods 33 are respectively pressed and pushed upwards and downwards, the two cantilevers 4 and the two pull-tab 28 are driven to respectively withdraw the two butt joint pipes 6 in the vertical state towards the up and down directions, and the used sand core fixing pipe 27 is loosened;
correspondingly, the connecting rod 14 pushes the refueling seat 17 to push the new sand core mounting tube 27 into the mounting tube seat 5 in front of the front half circle of the rotation of the rotary table 13, the old sand core An Guguan is pushed out along the same potential, and the pushed sand core An Guguan achieves the suspended temporary fixing purpose in the mounting tube seat 5 by means of the suction effects of two iron sheets 35 at two sides and two magnets 18 on two T-shaped alignment seats 11;
the cam 23 in the rotation process of the rear half ring presses against the roller 32 to cause the first piston rod 30 to reset outwards, so that the two second piston rods 33 are reset by retracting inwards with the participation of hydraulic oil, the two cantilevers 4 drive the two pull-tab 28 to put the two butt joint pipes 6 connected with the pull-tab back and furl in the installation pipe seat 5, and the press locking effect of the two furled butt joint pipes 6 on the newly-placed sand core fixing pipe 27 is achieved;
and the material changing seat 17 is retracted and reset after the rotary table 13 rotates, the material pushing spring 25 is matched with the material pushing seat 26 to push the new sand core fixing pipe 27 to the position right opposite to the rear part of the mounting pipe seat 5, and thus, the whole new process of changing the sand core fixing pipe 27 and the sand core 36 assembled in the sand core fixing pipe 27 is completed.
Example 2:
this example differs from example 1 in that: the hanging part comprises a second rotating shaft 29 embedded at the end part of the cantilever 4, a pulling piece 28 is rotatably connected outside the second rotating shaft 29, the pulling piece 28 is arranged in an L shape, the shape is limited, the pulling piece is more stable after being combined with the clamping and supporting groove, the possibility of accidental loosening is greatly reduced, the failure rate of equipment is reduced, the second rotating shaft 29 is specifically arranged as a damping rotating shaft, the pulling piece 28 needs to be lifted backwards in the rotating process of the mounting pipe seat 5, namely, the bent convex end of the pulling piece 28 is evacuated from the original butt joint pipe 6, the butt joint pipe 6 is convenient to rotate and adjust along with the mounting pipe seat 5, and the clamping and supporting groove matched with the appearance of the pulling piece 28 is formed in the back side of each butt joint pipe 6.
The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a device that is used for mass spectrum to alleviate and advances a kind capillary and pollute, includes holding box (1), backing plate (2) and installation tube socket (5), its characterized in that: four mounting ports are formed in the periphery of the mounting tube seat (5), a butt joint tube (6) is slidably inserted into each mounting port, and each butt joint tube (6) is stably fixed outside the mounting tube seat (5) through the pulling limit of a strong tensioning cover (24) outside the butt joint tube (6);
the sand core replacing device is characterized in that a plurality of sand cores An Guguan (27) which are close to each other are arranged in the containing box (1) through a material pushing mechanism and used for sequentially pushing the sand cores An Guguan (27) which are sequentially arranged in the containing box (1) to the right back of the installation tube seat (5) to be replaced, sand cores (36) used for filtering and purifying samples are arranged in each sand core An Guguan (27), a replacing and fixing integrated mechanism matched with an external butt joint tube (6) of the installation tube seat (5) is arranged at the back of the containing box (1) and used for achieving tight connection of the sand cores An Guguan (27) and the sand cores (36) in the installation tube seat (5) and a corresponding butt joint tube (6) when the sand cores An Guguan (27) and the sand cores (36) in the installation tube seat (5) are replaced, the replacing and fixing integrated mechanism comprises a material replacing seat (17), a cantilever transmission seat (3) and two cantilever transmission seats (4), the fixed rod pieces (15) which are fixedly connected with the U-shaped containing frame (15) at the back side of the fixed containing box (1, and a telescopic rod piece (15) is arranged on the front side of the containing frame (17);
piston rods II (33) are slidably inserted into the upper side and the lower side of the front end of the transmission seat (3), opposite ends of the two piston rods II (33) are fixedly connected with the vertical end faces of the two cantilevers (4) respectively, extension springs (34) are sleeved outside the two piston rods II (33), the head end and the tail end of each extension spring (34) are fixedly connected with the end face of the corresponding cantilever (4) and the side face of the front end of the transmission seat (3) respectively, and hanging parts are mounted at the transverse straight ends of the two cantilevers (4);
a first piston rod (30) is inserted into the side face of the rear end of the transmission seat (3) in a sliding manner, a roller (32) is rotatably mounted at one end, extending out of the transmission seat (3), of the first piston rod (30) through a C-shaped frame, a compression spring (31) is sleeved outside the first piston rod (30), and the head end and the tail end of the compression spring (31) are fixedly connected with the side face of the rear end of the transmission seat (3) and the side face of the C-shaped frame respectively;
the backing plate (2) is provided with a driving assembly matched with the roller (32) and the material changing seat (17);
and the front of installation tube socket (5) is installed with installation tube socket (5) assorted transfer mechanism for two pairs of butt joint pipe (6) to intercommunication sample storage ware and mass spectrum detector are swiftly taken turns, transfer mechanism includes ring gear (7), rotates ring body (39) and rotates mounting bracket (40), the interval is installed about the front side of receiving and holding box (1) and is decided frame (41) by two sides, rotate mounting bracket (40) fixed mounting and decide the front end of frame (41) at two sides, it rotates ring body (39) and rotates and install within rotating mounting bracket (40), the back of rotating ring body (39) is fixed continuous with the front end face of installation tube socket (5), the front end face fixedly connected with ring gear (7) of rotating ring body (39), receive the front side of holding box (1) and install revolving cylinder (8), the output fixed mounting of revolving cylinder (8) has pinion (9), meshing connection between pinion (9) and the ring gear (7).
2. The apparatus of claim 1, wherein the mass spectrometer is configured to mitigate sample capillary contamination, and the apparatus further comprises: every the left and right sides of psammitolite An Guguan (27) all inlays and is equipped with iron sheet (35), two jib (10) are installed at the top interval of holding box (1), two the front end of jib (10) stretches into and installs T shape counterpoint seat (11) in tube socket (5) respectively fixed mounting, two T shape counterpoint seat (11) bilateral symmetry sets up, and two one side that T shape counterpoint seat (11) are relative all inlays and is equipped with magnet (18).
3. The apparatus of claim 1, wherein the mass spectrometer is configured to mitigate sample capillary contamination, and further comprising: the pushing mechanism comprises at least two pushing springs (25) fixed on the inner side wall of the accommodating box (1), two pushing springs (25) are jointly connected and fixed with a pushing seat (26) at one end close to the mounting tube seat (5), and a rectangular groove for mounting the pushing springs (25) is formed in one side, far away from the mounting tube seat (5), of the pushing seat (26).
4. The apparatus of claim 1, wherein the mass spectrometer is configured to mitigate sample capillary contamination, and the apparatus further comprises: the hanging part comprises a second rotating shaft (29) embedded at the end part of the cantilever (4), a pulling piece (28) is rotatably connected outside the second rotating shaft (29), the pulling piece (28) is arranged in an L shape, the second rotating shaft (29) is specifically arranged into a damping rotating shaft, and each butt joint pipe (6) is provided with a clamping and abutting groove matched with the pulling piece (28) in shape.
5. The apparatus of claim 1, wherein the mass spectrometer is configured to mitigate sample capillary contamination, and further comprising: drive assembly installs pivot (20) on backing plate (2) including rotating, the upper end of pivot (20) is fixed cover in proper order and is connect carousel (13) and cam (23), offset setting between cam (23) and gyro wheel (32), the top of carousel (13) is passed through connecting rod (14) and is linked to each other with reloading seat (17) transmission, the fixed cover of lower extreme of pivot (20) has worm wheel (22), the installation is fixed with drives motor (12) on backing plate (2), the output fixedly connected with worm (21) of driving motor (12), worm (21) and worm wheel (22) are engaged with within a definite time and are connected.
6. The apparatus of claim 5, wherein the mass spectrometer is configured to mitigate sample capillary contamination, and further comprising: a second pin column (38) is hinged to the inner side wall of the material changing seat (17), the upper end of the second pin column (38) is rotatably connected to the front end of the connecting rod (14), a first pin column (37) is rotatably inserted into the rear end of the connecting rod (14), and the lower end of the first pin column (37) is rotatably inserted into the top of the rotary table (13).
7. The apparatus of claim 1, wherein the mass spectrometer is configured to mitigate sample capillary contamination, and further comprising: an inclined surface (1701) is formed in one side of the front end of the material changing seat (17), and the inclined surface (1701) is arranged on the side face, far away from the transmission seat (3), of the material changing seat (17).
8. The apparatus of claim 3, wherein the mass spectrometer is configured to mitigate sample capillary contamination, and the apparatus further comprises: the bottom side of one end, far away from the mounting tube seat (5), of the containing box (1) is provided with a feeding opening, and the bottom side of the containing box (1) is hinged with a narrow plate matched with the feeding opening through a hinge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210999677.5A CN115083882B (en) | 2022-08-19 | 2022-08-19 | Device for mass spectrum reduction of sample injection capillary pollution |
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| CN202210999677.5A CN115083882B (en) | 2022-08-19 | 2022-08-19 | Device for mass spectrum reduction of sample injection capillary pollution |
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| WO2019012367A1 (en) * | 2017-07-11 | 2019-01-17 | Dh Technologies Development Pte. Ltd. | Apparatus and methods for reduced neutral contamination in a mass spectrometer |
| CN209148623U (en) * | 2018-11-15 | 2019-07-23 | 黄石科森色谱科技有限公司 | A kind of quantitative capillary tube more changing device |
| WO2020177031A1 (en) * | 2019-03-01 | 2020-09-10 | 苏州明志科技股份有限公司 | Core-making machine and core-making machine control method and system |
| CN112557154A (en) * | 2020-12-03 | 2021-03-26 | 深圳市步锐生物科技有限公司 | Device for mass spectrum reduction of sample injection capillary pollution |
| CN215299178U (en) * | 2021-04-13 | 2021-12-24 | 江西正谱奕和科技有限公司 | Mass spectrometry system for biological tissue |
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| WO2019012367A1 (en) * | 2017-07-11 | 2019-01-17 | Dh Technologies Development Pte. Ltd. | Apparatus and methods for reduced neutral contamination in a mass spectrometer |
| CN209148623U (en) * | 2018-11-15 | 2019-07-23 | 黄石科森色谱科技有限公司 | A kind of quantitative capillary tube more changing device |
| WO2020177031A1 (en) * | 2019-03-01 | 2020-09-10 | 苏州明志科技股份有限公司 | Core-making machine and core-making machine control method and system |
| CN112557154A (en) * | 2020-12-03 | 2021-03-26 | 深圳市步锐生物科技有限公司 | Device for mass spectrum reduction of sample injection capillary pollution |
| CN215299178U (en) * | 2021-04-13 | 2021-12-24 | 江西正谱奕和科技有限公司 | Mass spectrometry system for biological tissue |
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