A new material detection ICP emission spectrometer and use method

Abstract

The application relates to the field of analytical instruments, and discloses an ICP emission spectrometer for new material detection and a use method, which comprises a case and a switching mechanism, the switching mechanism comprises a switching box, a plurality of sealing rings are arranged at the top of the switching box, a switching valve is rotationally connected in the switching box, the switching valve comprises a rotating ring, a plurality of cylindrical valves are fixedly connected to the inner side of the rotating ring, an adjusting piece is arranged at the outer side of the switching box, the adjusting piece comprises rolling magnetic balls arranged outside the cylindrical valves, a position calibration baffle is slidably connected in the switching box, and a strong magnetic block one is fixedly connected to the bottom of the position calibration baffle. In the application, the sampling tube does not need to be repeatedly disassembled and assembled, the sealing property during switching is guaranteed through cooperation of the strong magnetic locking and the cylindrical valve, the rolling magnetic balls are limited by the position calibration baffle, the channel positioning accuracy is ensured, sample cross contamination is avoided, the switching time for multi-sample detection is shortened, and the batch detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of analytical instruments, in particular to an ICP emission spectrometer for new material detection and a use method thereof. BACKGROUND

[0002] The inductively coupled plasma (ICP) emission spectrometer is a core analysis equipment in the field of new material detection, and is widely used in qualitative and quantitative analysis of elements of high-temperature alloy, semiconductor material, ceramic composite material and the like. In such new material detection, trace impurities and main component analysis of multiple batches and multiple types of samples are often required, and the detection process requires high accuracy, low cross-contamination rate and high efficiency batch processing capability, and the switching efficiency and sealing performance of the sampling channel directly affect the reliability of the detection result and the overall analysis efficiency.

[0003] The existing ICP emission spectrometer adopts single pipeline docking in sequence for sampling switching. The single pipeline docking mode needs to manually disassemble the old sampling pipe, clean the interface and re-install the new sampling pipe after detecting each sample, and the sealing is achieved by manually tightening the interface. However, the repeated disassembly and assembly of the sampling pipe not only is cumbersome to operate, but also greatly prolongs the switching time of multiple sample detection, and the interface is easy to leave residual samples during the disassembly and assembly process, causing cross-contamination.

[0004] Therefore, in view of the above problems, an ICP emission spectrometer for new material detection and a use method thereof are provided to solve the above problems. SUMMARY

[0005] In order to make up for the above shortcomings, the present application provides an ICP emission spectrometer for new material detection and a use method thereof, aiming at improving the problem that some spectrometers in the prior art are prone to cross-contamination due to repeated disassembly and assembly of the sampling pipe, resulting in inaccurate detection results.

[0006] In order to achieve the above purpose, the present application adopts the following technical solutions:

[0007] An ICP emission spectrometer for new material detection, comprising a case and a switching mechanism, the switching mechanism comprising a switching box, a plurality of sealing rings are formed on the top of the switching box, a switching valve is rotatably connected inside the switching box, the switching valve comprises a rotating ring, a plurality of cylindrical valves are fixedly connected to the inner side of the rotating ring;

[0008] An adjusting piece is arranged on the outer side of the switching box, the adjusting piece comprises a rolling magnetic ball mounted on the outer side of the cylindrical valve, a position correcting baffle is slidably connected inside the switching box, a strong magnetic block one is fixedly connected to the bottom of the position correcting baffle, a limiting rod is arranged inside the switching box and the position correcting baffle is slidably connected outside the limiting rod, an adjusting screw is threadedly connected to the outer side of the switching box, a cam is fixedly connected to one end of the adjusting screw, two long ends of the cam are fixedly connected to a strong magnetic block two, a push button is slidably connected to the outer side of the switching box, and a magnet block is fixedly connected to the inner side of the push button.

[0009] As a further description of the above technical solutions:

[0010] The outer side of the switching box is provided with a sliding groove, and the outer side of the magnetic block is slidably connected in the sliding groove. The inner side of the switching box is provided with a rotating groove, and the outer side of the rolling magnetic ball is slidably connected in the rotating groove.

[0011] As a further description of the above technical solutions:

[0012] The outer side of the switching box is provided with a sliding groove, and the outer side of the magnetic block is slidably connected in the sliding groove. The inner side of the switching box is provided with a rotating groove, and the outer side of the rolling magnetic ball is slidably connected in the rotating groove.

[0013] As a further description of the above technical solutions:

[0014] The inner side of the switching box is provided with a rotating groove, and the outer side of the rolling magnetic ball is slidably connected in the rotating groove.

[0015] As a further description of the above technical solutions:

[0016] The extrusion piece includes an extrusion wheel, one side of the extrusion plate in contact with the extrusion wheel is provided with an arc groove, the middle part of the support shell is slidably connected with two extrusion plates, one side of the extrusion plate is provided with a connecting rod, the outer side of the connecting rod is hinged with a hinge plate, one side of the two hinge plates is hinged with an extrusion plate, and a buffer spring is arranged between the two sides of the extrusion plate and the support shell.

[0017] As a further description of the above technical solutions:

[0018] One end of the support pipe is rotatably connected to the inner side of the rotating ring, the number of sampling pipes is six, and the six sampling pipes are arranged in an annular array on the outer side of the support pipe.

[0019] As a further description of the above technical solutions:

[0020] The two sides of the atomizer are fixedly connected with shunt pipes, the other end of the top shunt pipe is fixedly connected with a plasma torch pipe, the inner side of the machine case is provided with a photoelectric detector, and the top of the machine case is fixedly connected with an exhaust pipe and faces the plasma torch pipe.

[0021] A use method of the ICP emission spectrometer for new material detection, suitable for any one of the above-mentioned ICP emission spectrometer for new material detection, comprising the following steps:

[0022] S1. Switching unlocking preparation: rotate the adjusting screw, the screw drives the cam to rotate, the strong magnetic block two on the cam is offset from the strong magnetic block one, the position correction baffle is contracted into the switching box under the action of gravity, the rolling magnetic ball is unlocked, and the preparation for switching the sampling pipeline is completed;

[0023] S2. Pipeline switching positioning: adjust the external push button, the push button drives the magnet block to move, the magnet block pulls the rolling magnetic ball to move, the cylindrical valve is switched to the channel corresponding to the target sampling pipe, and the positioning of the standby sampling pipeline is completed.

[0024] S3. Switching locking and sealing: reverse rotation of the adjusting screw, the cam drives the strong magnetic block two to rotate reversely, the repulsive surface of the strong magnetic block two is aligned with the strong magnetic block one, the position correction baffle is popped out under the action of repulsion, and the rolling magnetic ball is clamped, so that the sealing and locking after the switching of the sampling pipe are realized.

[0025] S4. Start the extrusion mechanism: start the motor, the motor drives the two transmission gears to rotate, and then drives the extrusion wheel to rotate, and the "three-leaf clover" structure of the extrusion wheel provides power for the subsequent intermittent extrusion of the sampling pipe.

[0026] S5. Sample negative pressure delivery: the extrusion wheel intermittently extrudes the extrusion plate one, so that the extrusion plate one drives the connecting rod to approach, and the extrusion plate two is synchronously contracted inwards through the hinged plate, so that the sampling pipe is extruded from four directions; the sampling pipe generates negative pressure due to intermittent extrusion, and the sample is sucked and delivered to the atomizer; the lubricated sample stock solution is recovered through the shunt pipe.

[0027] S6. Excitation detection and analysis: the atomizer uses high-pressure argon gas to crush the sample into aerosol, large particles are discharged through the shunt pipe, and the aerosol generates emission spectrum after entering the plasma torch pipe; after the emission spectrum is split and the target spectrum is selected by the optical system, the electric signal is converted by the photoelectric detector and amplified, and finally transmitted to the data system for analysis and processing.

[0028] The present application has the following advantages:

[0029] In the present application, the mechanical linkage switching mechanism composed of the adjusting screw, the cam, the strong magnetic block one, the strong magnetic block two and the position correction baffle can rotate the adjusting screw to drive the cam to rotate, so that the strong magnetic block two and the strong magnetic block one realize the switching of attractive and repulsive forces, and the position correction baffle can be accurately controlled to contract and unlock or pop out to lock the rolling magnetic ball. With the traction of the push button and the magnet block, the rolling magnetic ball can drive the cylindrical valve to quickly switch the channel, realizing the separate docking of multiple sampling pipes. The spectrometer does not need to repeatedly disassemble and assemble the sampling pipe, the sealing during switching is ensured by the cooperation of the strong magnetic locking and the cylindrical valve, the positioning accuracy of the channel is ensured by the limiting of the position correction baffle to the rolling magnetic ball, thereby avoiding sample cross contamination, shortening the switching time of multiple sample detection, and improving the batch detection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 A stereogram of a new material detection ICP emission spectrometer and a use method thereof is provided for the present application;

[0031] Figure 2 A structure diagram of a sampling member of a new material detection ICP emission spectrometer and a use method thereof is provided for the present application;

[0032] Figure 3 A structure diagram of a feeding mechanism of a new material detection ICP emission spectrometer and a use method thereof is provided for the present application;

[0033] Figure 4 A structure diagram of an extrusion member of a new material detection ICP emission spectrometer and a use method thereof is provided for the present application;

[0034] Figure 5 A structure diagram of a switching mechanism of a new material detection ICP emission spectrometer and a use method thereof is provided for the present application;

[0035] Figure 6 A structure diagram of a switching valve of a new material detection ICP emission spectrometer and a use method thereof is provided for the present application;

[0036] Figure 7 A structure diagram of an adjusting member of a new material detection ICP emission spectrometer and a use method thereof is provided for the present application;

[0037] Figure 8 A Figure 7 An enlarged view of A in the middle.

[0038] Legend:

[0039] 1, case; 2, controller; 3, sampling member; 31, sampling tube; 32, support tube; 4, feeding mechanism; 41, transmission gear; 42, motor; 43, extrusion member; 431, extrusion wheel; 432, extrusion plate one; 433, connecting rod; 434, hinged plate; 435, extrusion plate two; 436, buffer spring; 437, cambered groove; 44, support shell; 5, switching mechanism; 51, switching box; 52, sealing ring; 53, switching valve; 531, rotating ring; 532, cylindrical valve; 54, adjusting member; 541, rolling magnetic ball; 542, position correcting baffle; 543, strong magnetic block one; 544, limiting rod; 545, adjusting screw; 546, cam; 547, strong magnetic block two; 548, push button; 549, magnet block; 55, sliding groove; 56, rotating groove; 6, atomizer; 7, shunt pipe; 8, plasma torch pipe; 9, photodetector; 10, exhaust pipe. DETAILED DESCRIPTION

[0040] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0041] With reference to Figures 1 to 8 An embodiment provided by the present application is an ICP emission spectrometer for new material detection, which comprises a case 1 and a switching mechanism 5. The case 1 serves as a basic bearing structure of the instrument to provide installation space and support for each component. The switching mechanism 5 realizes channel switching of multiple sampling tubes 31 and can complete the docking of different samples without disassembly. The case 1 is externally provided with a controller 2 for regulating the running state of each functional module of the instrument to realize overall control. The case 1 is internally provided with a sampling member 3 which undertakes the basic function of sample delivery and is connected with the sample and the subsequent detection module. The sampling member 3 comprises the sampling tubes 31 which directly contact sample test tubes to realize sample extraction and transmission. One end of each sampling tube 31 is fixedly connected with a support tube 32 which plays a fixed supporting role for the sampling tube 31 and maintains the annular array distribution thereof. The switching mechanism 5 is arranged at the outer end of the sampling tube 31 and the support tube 32. The other end of the support tube 32 and the sampling tube 31 is provided with an atomizer 6 which breaks the sample solution into micron-sized aerosol. The atomizer 6 is fixedly connected with a shunt pipe 7 on both sides. The shunt pipe 7 discharges large-particle impurities and waste liquid and recovers sample lubricating stock solution. The other end of the top shunt pipe 7 is fixedly connected with a plasma torch pipe 8 which generates high-temperature plasma to make sample atoms be excited to release characteristic emission lines. The case 1 is internally provided with a photoelectric detector 9 which receives characteristic lines and converts optical signals into electrical signals. The top of the case 1 is fixedly connected with an exhaust pipe 10 which is opposite to the plasma torch pipe 8. The exhaust pipe 10 discharges high-temperature gas and waste gas to ensure the stability of the internal environment.

[0042] The switching mechanism 5 comprises a switching box 51, which provides a closed and stable operation space for the switching valve 53 and the adjusting piece 54. A plurality of sealing rings 52 are arranged on the top of the switching box 51, which enhances the connection sealing property to prevent sample leakage and impurity intrusion. The switching valve 53 is rotatably connected inside the switching box 51, which realizes the on-off control of the sampling tube 31 and the subsequent channel. The switching valve 53 comprises a rotating ring 531, which provides an installation base for the cylindrical valve 532 and drives the movement of the cylindrical valve 532 through rotation. A plurality of cylindrical valves 532 are fixedly connected to the inner side of the rotating ring 531, which are arranged corresponding to different sampling tubes 31 and control the communication state thereof. One end of the support tube 32 is rotatably connected to the inner side of the rotating ring 531. The number of the sampling tubes 31 is six, which are arranged in a ring array on the outer side of the support tube 32.

[0043] The adjusting piece 54 is arranged on the outer side of the switching box 51, which realizes the unlocking traction and locking of the rolling magnetic ball 541 through mechanical adjustment. The adjusting piece 54 comprises the rolling magnetic ball 541 installed on the outer side of the cylindrical valve 532. The rolling magnetic ball 541 is driven by the suction iron block 549 to drive the cylindrical valve 532 to move and is positioned and locked in cooperation with the position adjusting baffle 542. The position adjusting baffle 542 is slidably connected inside the switching box 51, which is telescopic under the action of strong magnet and is locked or unlocked for the rolling magnetic ball 541. The bottom of the position adjusting baffle 542 is fixedly connected with the strong magnet block one 543. The strong magnet block one 543 and the strong magnet block two 547 control the sliding telescopic of the position adjusting baffle 542 through the attractive and repulsive force. The switching box 51 is provided with a limiting rod 544, and the position adjusting baffle 542 is slidably connected outside the limiting rod 544. The limiting rod 544 limits the sliding track of the position adjusting baffle 542 to prevent deviation. The adjusting screw 545 is threadedly connected to the outer side of the switching box 51. The adjusting screw 545 drives the cam 546 to rotate and adjusts the position of the strong magnet block two 547 through threaded rotation. One end of the adjusting screw 545 is fixedly connected with the cam 546. The cam 546 converts the screw rotation movement into the position change of the strong magnet block two 547. The two long ends of the cam 546 are fixedly connected with the strong magnet block two 547. The strong magnet block two 547 cooperates with the strong magnet block one 543 to generate attractive and repulsive force to drive the position adjusting baffle 542 to telescope. The push button 548 is slidably connected to the outer side of the switching box 51. The push button 548 drives the suction iron block 549 to move through manual sliding. The inner side of the push button 548 is fixedly connected with the suction iron block 549. The suction iron block 549 generates magnetic force to attract and change the position of the rolling magnetic ball 541.

[0044] The inside of the case 1 is provided with a feeding mechanism 4, which provides power for sample delivery and generates negative pressure in the sampling tube 31 through mechanical extrusion, and the feeding mechanism 4 comprises transmission gears 41 rotatably connected inside the case 1 and a motor 42, the motor 42 provides a power source for the feeding mechanism 4, the transmission gears 41 transmit power from the motor 42 to the extrusion wheel 431, and the output end of the motor 42 is fixedly connected to the outside of one of the transmission gears 41, one side of the transmission gear 41 is provided with an extrusion piece 43, and the inside of the case 1 is provided with a supporting shell 44 which provides installation support and limiting for the extrusion piece 43. The extrusion piece 43 comprises an extrusion wheel 431 which realizes intermittent extrusion of an extrusion plate one 432 and converts rotary power into linear thrust, one side of the extrusion plate one 432 in contact with the extrusion wheel 431 is provided with an arc groove 437 which is adapted to the shape of the extrusion wheel 431 to ensure stable contact and transmission of force, the middle part of the supporting shell 44 is slidably connected with two extrusion plates one 432, the extrusion plate one 432 receives the force of the extrusion wheel 431 and transmits it to the connecting rod 433, one side of the extrusion plate one 432 is provided with the connecting rod 433, the connecting rod 433 transmits the movement of the extrusion plate one 432 to the hinged plate 434, the outside of the connecting rod 433 is hingedly connected with the hinged plate 434, the hinged plate 434 realizes force deflection through a hinged structure, one side of the two hinged plates 434 is hingedly connected with the extrusion plate two 435, the extrusion plate two 435 synchronously extrudes the sampling tube 31 from multiple directions to ensure uniform deformation, and the buffer springs 436 are arranged between the extrusion plate one 432 and the two sides of the supporting shell 44, which buffer impact force and assist the extrusion plate one 432 to reset.

[0045] A method for using an ICP emission spectrometer for new material detection, which is suitable for the above-mentioned ICP emission spectrometer for new material detection, and comprises the following steps:

[0046] S1. Switching unlocking preparation: rotate the adjusting screw 545, the screw drives the cam 546 to rotate, the strong magnetic block two 547 on the cam 546 is staggered with the strong magnetic block one 543, the position blocking plate 542 is contracted into the switching box 51 under the action of gravity, the rolling magnetic ball 541 is unlocked, and the sampling tube 31 path switching is prepared;

[0047] S2. Pipeline switching positioning: adjust the external push button 548, the push button 548 drives the magnet block 549 to move, the magnet block 549 pulls the rolling magnetic ball 541 to move, the cylindrical valve 532 is switched to the channel corresponding to the target sampling tube 31, and the positioning of the sampling tube 31 path is completed;

[0048] S3. Switching lock seal: reverse rotation of the adjusting screw 545, the cam 546 drives the strong magnetic block two 547 to reverse rotation, so that the repulsion surface of the strong magnetic block two 547 is aligned with the strong magnetic block one 543, the calibration baffle 542 is ejected by repulsion, and the rolling magnetic ball 541 is clamped, realizing the sealing and locking of the sampling tube 31 after switching.

[0049] S4. Start the extrusion mechanism: start the motor 42, the motor 42 drives the two transmission gears 41 to mesh with each other and rotate, and then drives the extrusion wheel 431 to rotate, and uses the "three-leaf clover" structure of the extrusion wheel 431 to provide power for the subsequent intermittent extrusion of the sampling tube 31.

[0050] S5. Sample negative pressure delivery: the extrusion wheel 431 intermittently extrudes the extrusion plate one 432, so that the extrusion plate one 432 drives the connecting rod 433 to approach, and the extrusion plate two 435 is synchronously contracted inwards through the hinged plate 434, so that the sampling tube 31 is extruded from four directions; the sampling tube 31 generates negative pressure due to intermittent extrusion, and the sample is sucked and delivered to the atomizer 6, and the lubricated sample stock solution is recovered through the shunt pipe 7.

[0051] S6. Excitation detection and analysis: the atomizer 6 uses high-pressure argon to crush the sample into aerosol, large particles are discharged through the shunt pipe 7, and the aerosol enters the plasma torch pipe 8 to excite and generate emission spectrum; after the emission spectrum is split and the target spectrum is selected by the optical system, it is converted into an electrical signal by the photoelectric detector 9 and amplified, and finally transmitted to the data system for analysis and processing.

[0052] Working principle: in use, first place the prepared sample tube at the outer end of the sampling tube 31, then rotate all the adjusting screws 545, the rotation of the adjusting screw 545 drives the rotation of the cam 546, so that the strong magnetic block two 547 of the two long ends of the cam 546 is staggered with the strong magnetic block one 543, thereby generating a certain attractive force, and under the influence of gravity, the calibration baffle 542 moves downward and shrinks completely into the switching box 51, so that the rolling magnetic ball 541 is unlocked, and by adjusting the position of the external push button 548, the magnet block 549 moves synchronously, thereby driving the corresponding rolling magnetic ball 541 to move, so that the open valve in the cylindrical valve 532 changes with the position of the rolling magnetic ball 541, and after adjustment, reverse rotation of the adjusting screw 545 makes the cam 546 reverse rotation, so that the repulsion surface of the strong magnetic block two 547 is aligned with the strong magnetic block one 543, and the calibration baffle 542 is popped up and clamped to the rolling magnetic ball 541 for locking, so as to realize the sealing and accuracy of the switching valve 53 door process, and the multiple sampling tubes 31 can be individually fed without reassembling and connecting.

[0053] When the motor 42 is started again, the motor 42 rotates to drive the two transmission gears 41 to mesh with each other and drive the extrusion wheel 431 to rotate, and since the shape of the extrusion wheel 431 is similar to that of a clover, the rotating wheel intermittently extrudes the extrusion plate 432, so that the two extrusion plates 432 are close to each other, and the distance between the two connecting rods 433 on the same side is close, and since the connecting rod 433 is hinged to the rear side of the extrusion plate 435 through the hinge plate 434, the two extrusion plates 435 are synchronously contracted inward, so that the six sampling tubes 31 are synchronously extruded from four directions, so that the deformation degree of each sampling tube 31 is consistent, and since the extrusion wheel 431 rotates, the extrusion tube is intermittently extruded, so that the extrusion tube is loosened, so that the negative pressure in the extrusion tube is generated, the liquid in the sample tube automatically flows into the sampling tube 31, and the inhaled sample is sent into the subsequent atomizer 6 through the extrusion action, and the lubricating sample liquid after the atomizer 6 is discharged downward through the shunt pipe 7 at the bottom for recycling.

[0054] When the atomizer 6 starts to work, the solution is broken into aerosol by high-pressure argon, and large particles are discharged along the shunt pipe 7 at the bottom, while the aerosol enters the plasma torch pipe 8 with the carrier gas. After the aerosol enters the ICP torch pipe, the solvent (such as water and acid) in the aerosol is evaporated by the high temperature of the plasma, and the solid particles are decomposed into molecules, which are further decomposed into neutral atoms. The neutral atoms absorb the energy of the plasma, and the outer electrons jump from the ground state to the excited state. The electrons in the excited state return to the ground state in a very short time, releasing energy in the form of light, forming emission lines. The light spectrum emitted by the plasma is split by the grating according to the wavelength, and the characteristic spectrum of the target element is selected and transmitted to the photodetector 9 for conversion of optical signal and electrical signal. Finally, the converted electrical signal enters the data system for analysis and processing.

[0055] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the scope of the present application should be included in the protection scope of the present application.

Claims

1. An ICP emission spectrometer for new material detection, comprising a cabinet (1) and a switching mechanism (5), characterized in that: The switching mechanism (5) includes a switching box (51), a plurality of sealing rings (52) are opened at the top of the switching box (51), a switching valve (53) is rotatably connected inside the switching box (51), the switching valve (53) includes a rotating ring (531), a plurality of cylindrical valves (532) are fixedly connected to the inner side of the rotating ring (531); The outer side of the switching box (51) is provided with an adjusting part (54), the adjusting part (54) includes a rolling magnetic ball (541) mounted on the outer side of the cylindrical valve (532), a position correction baffle (542) is slidably connected inside the switching box (51), a strong magnetic block one (543) is fixedly connected to the bottom of the position correction baffle (542), a limiting rod (544) is arranged inside the switching box (51), and the position correction baffle (542) is slidably connected outside the limiting rod (544), an adjusting screw (545) is threadedly connected to the outer side of the switching box (51), one end of the adjusting screw (545) is fixedly connected with a cam (546), two long ends of the cam (546) are fixedly connected with a strong magnetic block two (547), a push button (548) is slidably connected to the outer side of the switching box (51), and a magnet block (549) is fixedly connected to the inner side of the push button (548); The outer side of the case (1) is provided with a controller (2), the inside of the case (1) is provided with a sampling part (3), the sampling part (3) includes a sampling pipe (31), one end of the sampling pipe (31) is fixedly connected with a supporting pipe (32), and the switching mechanism (5) is arranged at the outer end of the sampling pipe (31) and the supporting pipe (32), and the other end of the supporting pipe (32) and the sampling pipe (31) is provided with an atomizer (6); The inside of the case (1) is provided with a feeding mechanism (4), the feeding mechanism (4) includes a transmission gear (41) and a motor (42) rotatably connected inside the case (1), and the output end of the motor (42) is fixedly connected to the outside of one of the transmission gears (41), one side of the transmission gear (41) is provided with a squeezing part (43), and the inside of the case (1) is provided with a supporting shell (44); The squeezing part (43) includes a squeezing wheel (431), an arc groove (437) is opened at the side of the squeezing plate one (432) in contact with the squeezing wheel (431), two squeezing plate ones (432) are slidably connected to the middle of the supporting shell (44), a connecting rod (433) is arranged on one side of the squeezing plate one (432), a hinged plate (434) is hinged to the outside of the connecting rod (433), two hinged plates (434) are hinged on one side of the squeezing plate two (435), and a buffer spring (436) is arranged between the two sides of the squeezing plate one (432) and the supporting shell (44).

2. The ICP emission spectrometer for detecting a new material according to claim 1, characterized in that: The outer side of the switching box (51) is provided with a sliding groove (55), and the outer side of the magnet block (549) is slidably connected in the sliding groove (55), and the inner side of the switching box (51) is provided with a rotating groove (56), and the outer side of the rolling magnetic ball (541) is slidably connected in the rotating groove (56).

3. The ICP emission spectrometer for detecting a new material according to claim 1, characterized in that: One end of the support pipe (32) is rotatably connected to the inner side of the rotating ring (531), the number of the sampling pipes (31) is six, and the six sampling pipes (31) are arranged in an annular array on the outer side of the support pipe (32).

4. The ICP emission spectrometer for detecting new materials according to claim 1, characterized in that: The two sides of the atomizer (6) are fixedly connected with shunt pipes (7), the other end of the top shunt pipe (7) is fixedly connected with a plasma torch pipe (8), the inside of the case (1) is provided with a photoelectric detector (9), and the top of the case (1) is fixedly connected with an exhaust pipe (10) and faces the plasma torch pipe (8).

5. A method for using the ICP emission spectrometer for new material detection, which is suitable for the ICP emission spectrometer for new material detection in any of claims 1-4, comprising the following steps: S1. Switching unlocking preparation: rotate the adjusting screw rod (545), the screw rod drives the cam (546) to rotate, the strong magnetic block two (547) on the cam (546) is staggered with the strong magnetic block one (543), the position adjusting baffle (542) is contracted into the switching box (51) under the action of gravity, the rolling magnetic ball (541) is unlocked, and the sampling pipe (31) road switching is prepared; S2. Road switching positioning: adjust the external push button (548), the push button (548) drives the magnet block (549) to move, the magnet block (549) drags the rolling magnetic ball (541) to move, the cylindrical valve (532) is switched to the channel corresponding to the target sampling pipe (31), and the positioning of the standby sampling pipe (31) road is completed; S3. Switching locking and sealing: reversely rotate the adjusting screw rod (545), the cam (546) drives the strong magnetic block two (547) to reversely rotate, the repulsive force surface of the strong magnetic block two (547) is aligned with the strong magnetic block one (543), the position adjusting baffle (542) is popped out under the action of repulsive force, the rolling magnetic ball (541) is clamped, the sealing and locking after the switching of the sampling pipe (31) are realized; S4. Extrusion mechanism starting: start the motor (42), the motor (42) drives the two transmission gears (41) to rotate and mesh with each other, and then drives the extrusion wheel (431) to rotate, the "three-leaf clover" structure of the extrusion wheel (431) provides power for the subsequent intermittent extrusion of the sampling pipe (31); S5. Sample negative pressure conveying: the extrusion wheel (431) intermittently extrudes the extrusion plate one (432), the extrusion plate one (432) drives the connecting rod (433) to approach, the extrusion plate two (435) is synchronously contracted inwards through the hinged plate (434), and the sampling pipe (31) is extruded from four directions; the sampling pipe (31) generates negative pressure due to intermittent extrusion, samples are sucked and conveyed to the atomizer (6), and the lubricated sample stock solution is recycled through the shunt pipe (7); S6. Excitation detection and analysis: the atomizer (6) uses high-pressure argon to crush the sample into aerosol, large particles are discharged through the shunt pipe (7), the aerosol enters the plasma torch pipe (8) to excite and generate emission spectrum; after the emission spectrum is split and the target spectrum line is selected through an optical system, the emission spectrum is converted into an electric signal by the photoelectric detector (9) and is amplified, and finally transmitted to a data system for analysis and processing.

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