CN117293012A - Target plate positioning mechanism for ion source type mass spectrometer - Google Patents

Abstract

The application relates to the technical field of mass spectrometer target plate positioning, in particular to a target plate positioning mechanism for an ion source type mass spectrometer, which comprises a mounting plate, a first motor is fixedly mounted in the middle of the bottom of the mounting plate, and a top disc is fixedly mounted at the top output end of the first motor in a penetrating way through the mounting plate. This application can be through setting up two sets of location frock, the location frock that is located the outside during the equipment detects just empty, alright remove the target board from the location frock inside that is located the outside and change new target board, adopt drying equipment to dry the target board, the target board that is located the inside of equipment after the target board installation is accomplished detects and finishes, start first motor drive carousel again this moment and rotate, alright shift out the equipment with the target board that detects the completion, and the inside of equipment is just transferred again to the target board that changes before, can save the required time of stoving target board, make this target board positioning mechanism carry out incessant serialization detection, the detection efficiency of this target board positioning mechanism has been improved.

Description

Target plate positioning mechanism for ion source type mass spectrometer

Technical Field

The application relates to the technical field of mass spectrometer target plate positioning, in particular to a target plate positioning mechanism for an ion source type mass spectrometer.

Background

Currently, an ion source type mass spectrometer is an instrument for analyzing substances, and mainly consists of an ion source and a mass spectrometer, wherein the ion source is a device for converting a sample to be analyzed into ions. Common ion sources include electron bombardment ion sources, chemical ion sources, electrospray ion sources, and the like. The electron bombardment ion source bombards sample molecules through electrons so as to ionize the sample molecules; the chemical ion source converts a sample into ions through chemical reaction; electrospray ion sources are devices for separating and detecting ions by converting a sample in a solution into ions by the action of an electric field and mass spectrometers are devices for separating and detecting ions. It separates the ions according to their mass-to-charge ratio (M/Z) and is detected by a detector. Common mass spectrometers include magnetic sector mass spectrometers, quadrupole mass spectrometers, time-of-flight mass spectrometers, and the like.

Through retrieval, chinese patent publication No. CN201920452213.6 discloses a target plate positioning mechanism for a matrix-assisted laser desorption ion source mass spectrometer, which comprises a target holder, wherein a mounting groove for clamping a target plate is formed by a concave mounting surface of the target holder, a transverse positioning structure is arranged on a short side of the mounting groove near a corner of the mounting groove, and a longitudinal positioning structure is arranged on a long side of the mounting groove. The utility model has simple structure, realizes the accurate positioning of the target plate, standardizes the placing action process of the target plate, realizes the free replacement of the target plate in the working process of MALDI-TOF, reduces the interference of human factors, ensures the normal detection of samples and reduces the failure rate of instruments.

With respect to the related art in the above, the inventors found that the following drawbacks exist:

the device can position the target plate, but the whole positioning of the target plate adopts a spring reset mode to limit in the use process, however, the spring limit mainly depends on the elastic force of the spring to position, the whole device belongs to flexible positioning, the stability of the positioned target plate is poor, and the elastic displacement of the spring is difficult to keep the same each time in the use process due to the influence of the elastic force of the spring, so that the target plate is easy to generate fine deviation each time in the use process of the spring positioning, and the accuracy is easy to be influenced;

meanwhile, the device can only position a single group of target plates each time, bacteria need to be smeared in a metal film on the outer surface of the target plates during detection of the target plates, then matrix liquid is added, the target plates are stood for drying the matrix liquid, or some bacteria need to be added with formic acid and the like for drying and then the matrix liquid is added, and after the target plates are stood for drying, the target plates can be put into a mass spectrometer for detection and recording of relevant data. The standing waiting drying time is longer, the detection progress is affected, obviously, the equipment can only be provided with a single group of target plates, continuous detection operation cannot be realized, and the overall detection efficiency is lower, so that improvement is needed.

Disclosure of Invention

In order to solve the problem that the target plate positioning device of the existing mass spectrometer is inconvenient, fast and stable to clamp the target plate, the overall stability is poor, and meanwhile, the mass spectrum detection efficiency is low, the application provides a target plate positioning mechanism for an ion source mass spectrometer.

The application provides a target plate positioning mechanism for ion source type mass spectrometer adopts following technical scheme: the device comprises a mounting plate, wherein a first motor is fixedly arranged in the middle of the bottom of the mounting plate, a top disc is fixedly arranged at the top output end of the first motor in a penetrating manner through the mounting plate, a concave frame body is fixedly arranged at the top of the top disc, a transverse guide rail is fixedly arranged at the top of the concave frame body, a transverse displacement mechanism is movably arranged at the inner side of the transverse guide rail, mounting frame bodies are fixedly arranged at two sides of the top of the transverse displacement mechanism, and a positioning tool is fixedly arranged at the top of the mounting frame body;

the positioning tool comprises a tool plate, the tool plate is fixedly arranged at the top of the mounting frame body, a chute is formed in the middle of the top of the tool plate, a first positioning mechanism is movably arranged on the inner side of the chute, a second positioning mechanism is fixedly arranged at the top of the tool plate, a receiving mechanism is fixedly arranged at the bottom of the tool plate, and the top of the receiving mechanism penetrates through the tool plate.

Optionally, the transverse displacement mechanism includes the fixed plate, the fixed plate sets up to two sets of, fixed plate fixed mounting is in the middle of in transverse guide, two sets of fixed mounting has drive assembly between the inboard of fixed plate, the outside rotation of fixed plate is connected with first lead screw, the inner of first lead screw runs through both sides fixed connection of fixed plate and drive assembly, two sets of screw thread in the first lead screw revolves to the homogeneous phase mutually and sets up in opposite directions, the surface threaded connection of first lead screw has the draw runner, draw runner sliding connection is in transverse guide's inboard, the top outside of draw runner and the bottom fixed connection of the mounting bracket body.

Optionally, the drive assembly includes mount, pivot and vice bevel gear, the pivot rotates to be connected between the inboard of two sets of fixed plates, mount fixed mounting is in the middle of the bottom of transverse guide, the bottom fixed mounting of mount has the second motor, the output of second motor runs through mount fixed mounting has main bevel gear, vice bevel gear fixed mounting is in the centre of pivot, main bevel gear and vice bevel gear intermeshing are connected.

Optionally, both ends all fixed mounting have the support frame around the bottom of transverse guide, the bottom fixed mounting of support frame has the diaphragm, the bottom both sides of diaphragm all rotate and are connected with the universal ball, the bottom of universal ball is laminated with the top of mounting panel and is connected.

Optionally, the four corners of mounting panel have all been seted up the mounting hole, the mounting hole runs through the mounting panel, the mounting hole sets up to the counter bore, the cross sectional shape of transverse guide and draw runner all sets up to the protruding font.

Optionally, first positioning mechanism includes second lead screw and third motor, the second lead screw rotates the inboard of being connected in the spout, third motor fixed mounting is in the middle of the inboard of frock board, the output of third motor runs through the inner fixed connection of frock board and second lead screw, the surface threaded connection of second lead screw has the movable block, the both ends screw thread of second lead screw revolves to opposite, movable block sliding connection is inside the spout, the top fixed mounting of movable block has the fixed block, the inboard fixed mounting of fixed block has the pivot, the inner fixed mounting of pivot has the push pedal.

Optionally, the frame is placed including the target board to the second positioning mechanism, frame fixed mounting is placed at the top of frock board to the target board, the both ends that the frame was placed to the target board are all fixed mounting has flexible cylinder, the inner fixed mounting of flexible cylinder has the pillar, the inboard fixed mounting of pillar has the pressure bit.

Optionally, the pressure position spare includes the curb plate, curb plate fixed mounting is in the inboard of pillar, the inboard upper end fixed mounting of curb plate has the top frame, the inboard equidistant fixed mounting of top frame has the extension spring, the bottom fixed mounting of extension spring has the oppression frame.

Optionally, the cross section shape of oppression frame is right trapezoid, equidistant fixed mounting in top of oppression frame has the vertical axis, the top of vertical axis runs through target plate and places the frame.

Optionally, the accepting mechanism includes electric putter, electric putter fixed mounting is in the bottom both sides of frock board, electric putter's top runs through frock board fixed mounting and has the accepting dish, the equidistant fixed mounting in top of accepting dish has the basic block, the top of basic block is all rotated and is connected with the ball.

In summary, the present application includes the following beneficial technical effects:

1. the bearing plate top in placing the frame with the target plate is placed to the target plate, start the inboard movable block of third motor drive second lead screw drive spout and slide each other in the inboard of spout, alright drive pivot drive push pedal is gone into and is contradicted the target plate, be convenient for carry out preliminary location to the target plate, adopt flexible cylinder drive pillar to push away the curb plate of dynamic pressure position spare and go on the location to the other both sides of target plate, make the target plate openly during the location, back and both sides all can be placed in the middle of the top of frock board, can improve the accuracy nature of target plate location, simultaneously also be convenient for adapt the target plate structure of equidimension not, the adaptation ability of this target plate positioning mechanism has been improved.

2. During the telescopic cylinder promotes the curb plate and remove, the side of the oppression frame contact target board of top frame bottom, the inclined plane atress of oppression frame makes the confliction of oppression frame shrink of telescopic spring, along with the further removal of curb plate after the shrink of telescopic spring, the bottom contact target board's of oppression frame top both sides, be convenient for fix a position the centre gripping target board fast, make the target board have better stability to the top of holding the dish tightly, can start equipment drive curb plate and push pedal mutual separation when needing to take out the target board, start electric putter promotes the holding dish and reciprocates alright quick take off the target board, make things convenient for the target board to change.

3. After the target plate is bound by the device, the first motor is adopted to drive the top disc to rotate, the concave frame body is driven to rotate through the top disc, at the moment, the transverse guide rail can drive the transverse guide rail to rotate, the transverse guide rail displacement can drive the two groups of positioning tools to alternately displace, so that the positioning tools positioned on the outer side of the device are just empty during equipment detection, at the moment, the target plate can be removed from the positioning tools positioned on the outer side to replace a new target plate, then the target plate is dried by adopting drying equipment, after the target plate is installed, the target plate positioned in the equipment is detected, the first motor is started to drive the turntable to rotate again, the detected target plate can be moved out of the equipment, and the target plate replaced before is just transferred to the inside of the equipment again, so that the time required for drying the target plate can be saved, the target plate positioning mechanism can be used for uninterrupted continuous detection, and the detection efficiency of the target plate positioning mechanism is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of the bottom view of the embodiment of the present application;

FIG. 3 is a schematic view of a transverse displacement mechanism in an embodiment of the present application;

fig. 4 is a schematic bottom view of a transverse rail according to an embodiment of the present disclosure;

FIG. 5 is a schematic view of the structure transverse to the interior of the rail in an embodiment of the present application;

fig. 6 is a schematic top view of a positioning tool in an embodiment of the present application;

FIG. 7 is a schematic view of the construction of the tooling plate and the first positioning mechanism in the embodiment of the present application;

fig. 8 is a schematic structural diagram of a pressing member in an embodiment of the present application.

Reference numerals: 1. a mounting plate; 2. a first motor; 3. a top plate; 4. a concave frame body; 5. a transverse guide rail; 6. a lateral displacement mechanism; 61. a fixing plate; 62. a drive assembly; 621. a fixing frame; 622. a rotating shaft; 623. a secondary bevel gear; 624. a second motor; 625. a main bevel gear; 63. a first screw rod; 64. a slide bar; 7. a mounting frame body; 8. positioning a tool; 81. a tooling plate; 82. a chute; 83. a first positioning mechanism; 831. a second screw rod; 832. a third motor; 833. a moving block; 834. a push plate; 835. a fixed block; 836. a support shaft; 84. a second positioning mechanism; 841. a target plate placement frame; 842. a telescopic cylinder; 843. a pressing piece; 8431. a side plate; 8432. a top frame; 8433. a telescopic spring; 8434. a pressing frame; 8435. a longitudinal axis; 844. a support post; 85. a receiving mechanism; 851. an electric push rod; 852. a receiving tray; 853. a base block; 854. a ball; 9. a support frame; 10. a cross plate; 11. a mounting hole; 12. and (3) a universal ball.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-8.

The embodiment of the application discloses a target plate positioning mechanism for an ion source type mass spectrometer. As shown in fig. 1, the motor comprises a mounting plate 1, a first motor 2 is fixedly arranged in the middle of the bottom of the mounting plate 1, a top plate 3 is fixedly arranged at the top output end of the first motor 2 penetrating through the mounting plate 1, a concave frame body 4 is fixedly arranged at the top of the top plate 3, a transverse guide rail 5 is fixedly arranged at the top of the concave frame body 4, a transverse displacement mechanism 6 is movably arranged at the inner side of the transverse guide rail 5, mounting frame bodies 7 are fixedly arranged at two sides of the top of the transverse displacement mechanism 6, and a positioning tool 8 is fixedly arranged at the top of the mounting frame bodies 7;

the positioning tool 8 comprises a tool plate 81, wherein the tool plate 81 is fixedly arranged at the top of the mounting frame body 7, a sliding groove 82 is formed in the middle of the top of the tool plate 81, a first positioning mechanism 83 is movably arranged on the inner side of the sliding groove 82, a second positioning mechanism 84 is fixedly arranged at the top of the tool plate 81, a receiving mechanism 85 is fixedly arranged at the bottom of the tool plate 81, and the top of the receiving mechanism 85 penetrates through the tool plate 81.

Referring to fig. 1-5, the transverse displacement mechanism 6 includes two fixing plates 61, the fixing plates 61 are arranged in two groups, the fixing plates 61 are fixedly installed in the middle of the transverse guide rail 5, a driving assembly 62 is fixedly installed between the inner sides of the two groups of fixing plates 61, the outer sides of the fixing plates 61 are rotationally connected with first screw rods 63, the inner ends of the first screw rods 63 penetrate through the fixing plates 61 and the two sides of the driving assembly 62 and are fixedly connected with each other, screw threads in the two groups of first screw rods 63 are mutually opposite in rotation direction, a sliding strip 64 is connected to the outer surface of the first screw rods 63 in a screw thread manner, the sliding strip 64 is slidingly connected to the inner side of the transverse guide rail 5, and the outer sides of the tops of the sliding strips 64 are fixedly connected with the bottom of the mounting frame 7; through setting up transverse displacement mechanism 6 for this target plate positioning mechanism is in the use period, the accessible starts drive assembly 62 operation, drive assembly 62 drives first lead screw 63 and rotates, and then alright drive draw runner 64 outside slip, and then make this target plate positioning mechanism can drive the displacement of location frock 8, can stretch the target plate that needs to detect and add inside check out test set on the one hand, on the other hand is located the target plate that needs to be changed of outer end and can stretch out from the equipment inside, make this target plate positioning mechanism be convenient for the target plate that needs to use of quick replacement, can dry the target plate in the outside during equipment processing, the quick continuous uninterrupted detection of this target plate positioning mechanism of being convenient for has improved this target plate positioning mechanism holistic detection effect.

Referring to fig. 5, the driving assembly 62 includes a fixing frame 621, a rotating shaft 622 and a secondary bevel gear 623, the rotating shaft 622 is rotatably connected between the inner sides of the two groups of fixing plates 61, the fixing frame 621 is fixedly mounted in the middle of the bottom of the transverse guide rail 5, a second motor 624 is fixedly mounted at the bottom of the fixing frame 621, a main bevel gear 625 is fixedly mounted at an output end of the second motor 624 penetrating through the fixing frame 621, the secondary bevel gear 623 is fixedly mounted in the middle of the rotating shaft 622, and the main bevel gear 625 and the secondary bevel gear 623 are mutually engaged and connected; through setting up the drive assembly 62 for this target plate positioning mechanism is in the use period, and accessible start second motor 624 drives the main bevel gear 625 and rotates, rotates alright drive vice bevel gear 623 through main bevel gear 625 and rotates, and vice bevel gear 623 rotates alright drive pivot 622 drive two sets of first lead screws 63 all rotate this moment, and the synchronous adjustment draw runner 64 of being convenient for is flexible, makes this target plate positioning mechanism can the quick adjustment location frock 8 displacement, has improved the convenience of this target plate positioning mechanism whole dismouting target plate.

Referring to fig. 1-5, the front and rear ends of the bottom of the transverse guide rail 5 are fixedly provided with a supporting frame 9, the bottom of the supporting frame 9 is fixedly provided with a transverse plate 10, two sides of the bottom of the transverse plate 10 are rotatably connected with universal balls 12, and the bottoms of the universal balls 12 are in fit connection with the top of the mounting plate 1; through setting up transverse guide 5 for this target plate positioning mechanism is in the use period, and first motor 2 drive transverse guide 5 rotates, gets into alright regulation and drives the stable rotation of transverse guide 5, rolls on mounting panel 1 through universal ball 12 this moment, and transverse guide 5 is consolidated in support that can be better, makes this target plate positioning mechanism adjust the stability that rotates two sets of location frock 8 in the use stronger.

Referring to fig. 1-3, mounting holes 11 are formed in four corners of the mounting plate 1, the mounting holes 11 penetrate through the mounting plate 1, the mounting holes 11 are countersunk holes, and cross sections of the transverse guide rail 5 and the sliding strip 64 are in a convex shape; through setting up mounting hole 11, can be in the use through mounting hole 11 cooperation bolt come the installation this target plate positioning mechanism, and set up mounting hole 11 and can hold the bolt, make things convenient for this target plate positioning mechanism to use, set up the gliding stability of draw runner 64 in the inboard of transverse guide 5 of protruding font transverse guide 5 and draw runner 64.

Referring to fig. 1-3 and 5-7, the first positioning mechanism 83 includes a second screw rod 831 and a third motor 832, the second screw rod 831 is rotatably connected to the inner side of the chute 82, the third motor 832 is fixedly installed in the middle of the inner side of the tooling plate 81, the output end of the third motor 832 penetrates through the tooling plate 81 and the inner end of the second screw rod 831 to be fixedly connected, the outer surface of the second screw rod 831 is in threaded connection with a moving block 833, the threads of the two ends of the second screw rod 831 are in opposite directions, the moving block 833 is slidably connected to the inside of the chute 82, the top of the moving block 833 is fixedly provided with a fixed block 835, the inner side of the fixed block 835 is fixedly provided with a fulcrum 836, and the inner end of the fulcrum 836 is fixedly provided with a push plate 834; through setting up first positioning mechanism 83 for this target plate positioning mechanism is in the use period, accessible third motor 832 drive second lead screw 831 rotates, through the sliding of the movable block 833 of two sets of movable block 831 drive of second lead screw 831, because the screw thread revolves to opposite, the mutual displacement slip that this moment movable block 833 alright be synchronous, and then be convenient for drive fixed block 835 drive fulcrum 836 fast and remove, fulcrum 836 drive push pedal 834 remove the back alright quick centre gripping fixed target plate this moment, convenient accurate location target plate, the while is convenient for carry out the centre gripping to the target plate of equidimension not fixed.

Referring to fig. 1-3 and 5-7, the second positioning mechanism 84 includes a target board placing frame 841, the target board placing frame 841 is fixedly mounted on the top of the tooling board 81, two ends of the target board placing frame 841 are fixedly mounted with telescopic cylinders 842, the inner ends of the telescopic cylinders 842 are fixedly mounted with supporting posts 844, and the inner sides of the supporting posts 844 are fixedly mounted with pressing members 843; through setting up second positioning mechanism 84 for this target plate positioning mechanism is in the use period, the inside of frame 841 is placed to the target plate accessible, through starting flexible cylinder 842 operation this moment, alright drive flexible cylinder 842 promotes the pillar 844 and drives and press the piece 843 to remove, makes this device can fix a position the other both sides of target plate fast, can improve the fixed stability of target plate clamp, makes this device target plate clamp fixed stability stronger, has improved the detection accuracy nature of equipment.

Referring to fig. 8, the pressing member 843 includes a side plate 8431, the side plate 8431 is fixedly mounted on the inner side of the support 844, a top frame 8432 is fixedly mounted on the upper end of the inner side of the side plate 8431, extension springs 8433 are fixedly mounted on the inner side of the top frame 8432 at equal intervals, and a pressing frame 8434 is fixedly mounted on the bottom of the extension springs 8433; through setting up the position piece 843 for this target plate positioning mechanism is in the use period, accessible telescopic cylinder 842 promotes the promotion pillar 844 and drives curb plate 8431 and move, and curb plate 8431 alright drive top frame 8432 is to the inboard removal this moment, and the back just drives the oppression frame 8434 and move in the top of target plate after the top frame 8432 moves, and oppression frame 8434 is gone up the interior alright and is moved the top outside of target plate, contradicts fixed target plate through telescopic spring 8433 this moment, makes the laminating that the target plate can be stable place the inside of frame 841 at the target plate, can avoid the target plate to appear the condition of slope, can further improve the accuracy that the target plate detected.

Referring to fig. 8, the cross-section of the pressing frame 8434 is in a right trapezoid shape, the top of the pressing frame 8434 is fixedly provided with longitudinal shafts 8435 at equal intervals, and the top of the longitudinal shafts 8435 penetrates through the target plate placing frame 841; through setting up oppression frame 8434 for right trapezoid, can be through oppression frame 8434's bottom location direction during the centre gripping, the centre gripping location target plate that can be more quick firm can improve the stability of target plate, sets up vertical axis 8435 and can support and consolidate oppression frame 8434 for oppression frame 8434's overall stability is stronger.

Referring to fig. 2 and 6, the receiving mechanism 85 includes an electric push rod 851, the electric push rod 851 is fixedly mounted on two sides of the bottom of the tooling plate 81, a receiving disc 852 is fixedly mounted at the top of the electric push rod 851 penetrating through the tooling plate 81, base blocks 853 are fixedly mounted at equal intervals at the top of the receiving disc 852, and balls 854 are rotatably connected to the top of the base blocks 853; through setting up the accepting mechanism 85 for this target plate positioning mechanism is in the during the use, and accessible start electric putter 851 promotes the tray 852 and upwards moves, and tray 852 moves up this moment and just release the target plate on the tray 852 fast, conveniently changes the target plate, and set up the ball 854 at base block 853 top, can roll in the bottom of target plate, thereby reduce the frictional force of target plate bottom, can make the push pedal 834 and curb plate 8431 during the target plate is fixed a position to the target plate, the target plate more steady slip, has improved the stability when this device dismouting target plate.

The implementation principle of the target plate positioning mechanism for the ion source type mass spectrometer is as follows: during the use of the target plate positioning mechanism, the positioning tool 8 is arranged, so that the target plate can be placed on the top of the bearing plate 852 in the target plate placing frame 841 during the use of the target plate positioning mechanism, the third motor 832 is started to drive the second screw rod 831 to rotate, as the threads at the two ends of the second screw rod 831 rotate in opposite directions, the moving block 833 which can drive the inner side of the sliding chute 82 during the rotation of the second screw rod 831 slides mutually at the inner side of the sliding chute 82, the fulcrum 836 can be driven by the sliding block to drive the supporting shaft 836 to drive the push plate 834 to move inwards to abut against the target plate, the target plate is further positioned initially, the telescopic cylinder 842 is started to drive the support 844 to push the side plate 8431 of the pressing piece 843, the other two sides of the target plate can be positioned through the side plate 8431, the target plate can be positioned centrally during the positioning, the target plate can be stably positioned in the middle of the top of the tool plate 81, the accuracy of target plate positioning can be improved, simultaneously, the target plate structures with different sizes can be conveniently adapted, the adaptation capability of the target plate positioning mechanism is improved, through arranging the pressing piece 843 and the bearing mechanism 85 of the positioning tool 8, the target plate positioning mechanism can enable the pressing frame 8434 at the bottom of the top frame 8432 to contact the side edge of the target plate when the telescopic cylinder 842 pushes the side plate 8431 to move inwards during the use, the pressing frame 8434 at the bottom of the top frame 8432 contacts the side edge of the target plate, the pressing frame 8434 can guide force due to the fact that the side surface of the pressing frame 8434 is right trapezoid, the pressing frame 8434 is enabled to abut against the telescopic spring 8433 to shrink, the bottom of the pressing frame 8434 contacts the two sides of the top of the target plate along with the side plate 8431 after the telescopic spring 8433 is shrunk, the target plate can be conveniently and rapidly positioned and clamped, the target plate can be tightly attached to the top of the bearing plate 852, the target plate has good stability, and when the target plate needs to be taken out during the use, the driving motor can be started to rotate reversely, meanwhile, the telescopic cylinder 842 is restarted to reset, the side plate 8431 and the push plate 834 can be separated from each other, at the moment, the electric push rod 851 is started to push the bearing disc 852 to move upwards, the target plate can be quickly taken down, the target plate is convenient to replace, the balls 854 are arranged in the use process, the friction force at the bottom of the target plate can be reduced, the target plate can be further conveniently and quickly positioned on the bearing disc 852 in the middle, the transverse displacement mechanism 6 is arranged to be matched with the first motor 2, the target plate positioning mechanism is enabled to drive the top disc 3 to rotate after the target plate is bound by the device, the concave frame 4 is driven to rotate by the top disc 3, at the moment, the concave frame 4 can drive the transverse guide rail 5 to rotate, the displacement of the transverse guide rail 5 can drive two groups of positioning tools 8 to alternately displace, so that the positioning tools 8 positioned on the outer side of the device are just empty during equipment detection, at the moment, a target plate can be removed from the inside of the positioning tools 8 positioned on the outer side to be replaced with a new target plate, then drying equipment is adopted to dry the target plate, after the target plate is installed, the target plate positioned in the equipment is detected, at the moment, the first motor 2 is started to drive the turntable to rotate again, the detected target plate can be moved out of the equipment, and the target plate which is replaced before is just transferred to the inside of the equipment again, so that the time required for drying the target plate can be saved by the target plate positioning mechanism, the uninterrupted continuous detection of the target plate positioning mechanism can be carried out, and the detection efficiency of the target plate positioning mechanism is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. Target plate positioning mechanism for ion source type mass spectrometer, comprising a mounting plate (1), characterized in that: the novel motor is characterized in that a first motor (2) is fixedly installed in the middle of the bottom of the mounting plate (1), a top plate (3) is fixedly installed at the top output end of the first motor (2) penetrating through the mounting plate (1), a concave frame body (4) is fixedly installed at the top of the top plate (3), a transverse guide rail (5) is fixedly installed at the top of the concave frame body (4), a transverse displacement mechanism (6) is movably installed at the inner side of the transverse guide rail (5), mounting frame bodies (7) are fixedly installed at two sides of the top of the transverse displacement mechanism (6), and a positioning tool (8) is fixedly installed at the top of the mounting frame bodies (7);

location frock (8) include frock board (81), frock board (81) fixed mounting is in the top of mounting bracket body (7), spout (82) have been seted up in the middle of the top of frock board (81), the inboard movable mounting of spout (82) has first positioning mechanism (83), the top fixed mounting of frock board (81) has second positioning mechanism (84), the bottom fixed mounting of frock board (81) has accepting mechanism (85), the top of accepting mechanism (85) runs through frock board (81).

2. A target plate positioning mechanism for an ion source mass spectrometer as defined in claim 1, wherein: the transverse displacement mechanism (6) comprises fixing plates (61), the fixing plates (61) are arranged into two groups, the fixing plates (61) are fixedly installed in the middle of the transverse guide rail (5), driving assemblies (62) are fixedly installed between the inner sides of the fixing plates (61), first screw rods (63) are rotatably connected to the outer sides of the fixing plates (61), the inner ends of the first screw rods (63) penetrate through the fixing plates (61) and the two sides of the driving assemblies (62) to be fixedly connected, threads in the two groups of the first screw rods (63) are reversely arranged in each other in a screwing mode, sliding strips (64) are connected to the outer surfaces of the first screw rods (63) in a threaded mode, the sliding strips (64) are slidably connected to the inner sides of the transverse guide rail (5), and the outer sides of the tops of the sliding strips (64) are fixedly connected to the bottoms of the mounting frame body (7).

3. A target plate positioning mechanism for an ion source mass spectrometer as defined in claim 2, wherein: the driving assembly (62) comprises a fixing frame (621), a rotating shaft (622) and a secondary bevel gear (623), wherein the rotating shaft (622) is rotationally connected between the inner sides of the two groups of fixing plates (61), the fixing frame (621) is fixedly installed in the middle of the bottom of the transverse guide rail (5), a second motor (624) is fixedly installed at the bottom of the fixing frame (621), a main bevel gear (625) is fixedly installed at the output end of the second motor (624) in a penetrating mode through the fixing frame (621), the secondary bevel gear (623) is fixedly installed in the middle of the rotating shaft (622), and the main bevel gear (625) and the secondary bevel gear (623) are connected in a meshed mode.

4. A target plate positioning mechanism for an ion source mass spectrometer as defined in claim 1, wherein: the support frame (9) is fixedly installed at the front end and the rear end of the bottom of the transverse guide rail (5), the transverse plate (10) is fixedly installed at the bottom of the support frame (9), universal balls (12) are rotationally connected to the two sides of the bottom of the transverse plate (10), and the bottoms of the universal balls (12) are connected with the top of the mounting plate (1) in a fitting mode.

5. A target plate positioning mechanism for an ion source mass spectrometer as defined in claim 2, wherein: the four corners of the mounting plate (1) are provided with mounting holes (11), the mounting holes (11) penetrate through the mounting plate (1), the mounting holes (11) are arranged to be counter bores, and the cross section shapes of the transverse guide rail (5) and the sliding strip (64) are arranged to be convex.

6. A target plate positioning mechanism for an ion source mass spectrometer as defined in claim 1, wherein: the first positioning mechanism (83) comprises a second screw rod (831) and a third motor (832), the second screw rod (831) is rotationally connected to the inner side of the sliding groove (82), the third motor (832) is fixedly installed in the middle of the inner side of the tooling plate (81), the output end of the third motor (832) penetrates through the tooling plate (81) and the inner end of the second screw rod (831) to be fixedly connected, the outer surface of the second screw rod (831) is in threaded connection with a moving block (833), the threads at the two ends of the second screw rod (831) are in opposite directions, the moving block (833) is in sliding connection with the inner side of the sliding groove (82), a fixed block (835) is fixedly installed at the top of the moving block (833), a support shaft (836) is fixedly installed at the inner end of the support shaft (836), and a push plate (834) is fixedly installed at the inner end of the support shaft (836).

7. A target plate positioning mechanism for an ion source mass spectrometer as defined in claim 1, wherein: the second positioning mechanism (84) comprises a target plate placing frame (841), the target plate placing frame (841) is fixedly arranged at the top of the tooling plate (81), telescopic cylinders (842) are fixedly arranged at two ends of the target plate placing frame (841), supporting columns (844) are fixedly arranged at inner ends of the telescopic cylinders (842), and pressing parts (843) are fixedly arranged on inner sides of the supporting columns (844).

8. A target plate positioning mechanism for an ion source mass spectrometer as recited in claim 7, wherein: the pressing piece (843) comprises a side plate (8431), the side plate (8431) is fixedly arranged on the inner side of the supporting column (844), a top frame (8432) is fixedly arranged at the upper end of the inner side of the side plate (8431), telescopic springs (8433) are fixedly arranged on the inner side of the top frame (8432) at equal intervals, and a pressing frame (8434) is fixedly arranged at the bottom of each telescopic spring (8433).

9. A target plate positioning mechanism for an ion source mass spectrometer as recited in claim 8, wherein: the cross section of the pressing frame (8434) is right trapezoid, longitudinal shafts (8435) are fixedly arranged at the top of the pressing frame (8434) at equal intervals, and the top of the longitudinal shafts (8435) penetrates through the target plate placing frame (841).

10. A target plate positioning mechanism for an ion source mass spectrometer as defined in claim 1, wherein: the bearing mechanism (85) comprises an electric push rod (851), the electric push rod (851) is fixedly arranged on two sides of the bottom of the tooling plate (81), a bearing plate (852) is fixedly arranged at the top of the electric push rod (851) in a penetrating mode through the tooling plate (81), base blocks (853) are fixedly arranged at the top of the bearing plate (852) at equal intervals, and balls (854) are rotatably connected to the top of the base blocks (853).