Sample rotating device for defect fluorescence spectrometer

Abstract

The utility model discloses a sample rotating device for a defect fluorescence spectrophotometer, which comprises a base, a top seat arranged above the base, a cross-shaped turntable arranged above the top seat, driving wheels rotatably mounted at equal intervals at the top end of the cross-shaped turntable, driven wheels rotatably mounted at the top end of the cross-shaped turntable on one sides of the driving wheels, and driven wheels rotatably mounted at the top end of the cross-shaped turntable on the other sides of the driving wheels. A transmission belt is wound on the outer wall between the driven wheel and the driving wheel, limiting wheels are rotationally installed at the top ends of the cross-shaped rotating discs on one side of the transmission belt through supports, first vertical shafts are arranged at the center positions of the top ends of the driven wheels, and sample placing bases are arranged at the ends, away from the driven wheels, of the first vertical shafts. According to the sample rotating device, samples can be sequentially analyzed and detected at multiple stations, so that the detection efficiency of the samples is improved, the number of the second rotating driving pieces is reduced, the cost of the sample rotating device is reduced, and the phenomenon of displacement generated in the rotating process of the sample container is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of defect fluorescence spectrometers, in particular to a rotating sample device for defect fluorescence spectrometers. Background Art

[0002] Defect fluorescence spectrometer is an analytical instrument used in the fields of chemistry, materials science, and physics. When analyzing and testing samples, in order to improve the detection range of samples and ensure the analysis accuracy of samples, the samples need to be rotated, so the corresponding rotating sample device needs to be used.

[0003] A spin sample box for an X-ray fluorescence spectrometer with a reference publication number of CN218496803U comprises a box body, a top cover, a bottom cover, a carrier and a spring; the box body is provided with a top cover on the top, a bottom cover on the bottom, a carrier inside the box body, a rotating motor is vertically provided at the center of the carrier, the output shaft of the rotating motor is rotatably connected with a turntable, and a power supply, a control switch and a magnetic charging head are respectively provided on the bottom cover. The device is provided with components such as a rotating motor, a spring, a bearing, an inner lining, an outer lining, a power supply and a turntable, so that the rotating motor drives the sample turntable to rotate and then drives the sample to rotate, so that the sample rotates continuously during the detection process, the sample detection area is increased, and thus the accuracy of the sample component detection is improved. According to the above, although the device can be well applied, it is usually not convenient for multiple stations to perform rotation detection on the samples in sequence, and only a single group of samples can be detected and replaced before the next group of samples can be detected, which makes it difficult for the sample detection efficiency to reach the established expectations, which often troubles people. Utility Model Content

[0004] The purpose of the utility model is to provide a rotating sample device for a defect fluorescence spectrometer to solve the problem that although the device proposed in the above background technology can be well applied, it is usually not convenient to perform rotation detection on samples in sequence at multiple stations, and only a single group of samples can be detected and replaced before the next group of samples can be detected, making it difficult for the detection efficiency of the samples to reach the established expectations.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotating sample device for a defect fluorescence spectrometer, comprising a base, a top seat is arranged above the base, a cross-shaped turntable is arranged above the top seat, a driving wheel with equal spacing is rotatably installed on the top of the cross-shaped turntable, a driven wheel is rotatably installed on the top of the cross-shaped turntable on one side of the driving wheel, a transmission belt is wound on the outer wall between the driven wheel and the driving wheel, a limiting wheel is rotatably installed on the top of the cross-shaped turntable on one side of the transmission belt through a bracket, a first vertical shaft is arranged at the center position of the top of the driven wheel, and a sample placement seat is arranged on the end of the first vertical shaft away from the driven wheel.

[0006] Preferably, a first rotating drive member is installed at the bottom of the base, and a first rotating shaft is installed at the output end of the first rotating drive member through a coupling. The top end of the first rotating shaft extends to the outside of the base and is fixedly connected to the bottom end of the top seat. The first rotating drive member is arranged to drive the top seat to rotate.

[0007] Preferably, a second rotating drive member is installed at the bottom of the top seat, and a second rotating shaft is installed at the output end of the second rotating drive member through a coupling. The top end of the second rotating shaft extends to the outside of the top seat and is connected to the bottom end of a driving wheel. The second rotating drive member is arranged to drive the driving wheel to rotate.

[0008] Preferably, corner seats are installed at the corner positions of the top of the sample placement seat, and the corner seats are arranged in an L-shaped structure, so that the rubber gasket can be placed.

[0009] Preferably, a second vertical shaft is provided at the center position of the top end of the driving wheel, and a gear is provided at the end of the second vertical shaft away from the driving wheel. Adjacent gears are meshed with each other, and one gear drives the other three gears to rotate through the meshing of adjacent gears.

[0010] Preferably, positioning holes are provided on both sides of the interior of the corner seat, and both ends of the positioning holes extend to the outside of the corner seat. Through the provision of the positioning holes, the corner seat can be installed on the top of the sample placement seat via positioning pins.

[0011] Preferably, rubber gaskets are provided on the inner walls on both sides of the corner seat, and positioning pins are threadedly installed on the top of the sample placement seat at the corner seat position. The upper end of the positioning pin is threadedly connected to a positioning hole, and the rubber gasket is provided to ensure that the sample container can be firmly placed on the top of the sample placement seat.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the rotating sample device for defect fluorescence spectrometer can not only analyze and detect samples in sequence at multiple stations to improve the detection efficiency of samples, but also reduces the number of second rotating drive members to reduce the cost of the rotating sample device, and reduces the phenomenon of displacement of the sample container during rotation;

[0013] (1) The first rotating drive member drives the top seat to rotate via the first rotating shaft, so that the top seat drives the cross-shaped turntable to rotate, and the four groups of sample placement seats can be transferred to the bottom of the defect fluorescence spectrometer in sequence, so that the samples can be analyzed and tested in sequence at multiple stations, thereby improving the detection efficiency of the samples;

[0014] (2) A second rotating drive member drives a driving wheel to rotate via a second rotating shaft, so that the driving wheel group drives the gears above it to rotate, so that the gear group drives the other three gear groups to rotate, and the three gear groups drive the other three driving wheels to rotate synchronously. At this time, the four driving wheels all drive the driven wheels to rotate via the transmission belt, and the driven wheels drive the sample placement seat to rotate via the first vertical shaft, thereby reducing the number of second rotating drive members and reducing the cost of the rotating sample device;

[0015] (3) By installing the corner seat at the corner position of the top of the sample placement seat, due to the setting of the rubber gasket, when the sample container is placed on the top of the sample placement seat, the rubber gasket is in high friction contact with the outer wall of the sample container, so that the sample container is firmly placed on the top of the sample placement seat, thereby reducing the displacement of the sample container during rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the transmission belt of the utility model from a top view;

[0019] Figure 4 This is a schematic diagram of the enlarged structure of the sample placement seat of the utility model when viewed from top.

[0020] In the figure: 1, base; 2, first rotating drive member; 201, first rotating shaft; 3, top seat; 4, second rotating drive member; 401, second rotating shaft; 5, cross-shaped turntable; 6, sample placement seat; 7, transmission belt; 8, gear; 9, first vertical axis; 10, limiting wheel; 11, second vertical axis; 12, driving wheel; 13, driven wheel; 14, angle seat; 15, positioning hole; 16, positioning pin; 17, rubber gasket. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4The utility model provides an embodiment: a rotating sample device for a defect fluorescence spectrometer, comprising a base 1, a first rotating driving member 2 is installed at the bottom of the base 1, a first rotating shaft 201 is installed at the output end of the first rotating driving member 2 through a coupling, and the top end of the first rotating shaft 201 extends to the outside of the base 1 and is fixedly connected to the bottom end of the top seat 3;

[0023] When in use, the first rotating driving member 2 is arranged to drive the top seat 3 to rotate;

[0024] A top seat 3 is arranged above the base 1, a second rotary drive member 4 is installed at the bottom of the top seat 3, a second rotating shaft 401 is installed at the output end of the second rotary drive member 4 through a coupling, and the top end of the second rotating shaft 401 extends to the outside of the top seat 3 and is connected to the bottom end of a driving wheel 12;

[0025] When in use, the second rotating driving member 4 is arranged to drive the driving wheel 12 to rotate;

[0026] A cross-shaped turntable 5 is arranged above the top seat 3, and driving wheels 12 with equal spacing are rotatably installed on the top of the cross-shaped turntable 5. A second vertical shaft 11 is arranged at the center position of the top of the driving wheel 12, and a gear 8 is arranged at the end of the second vertical shaft 11 away from the driving wheel 12, and adjacent gears 8 are meshed with each other;

[0027] When in use, adjacent gears 8 mesh with each other so that one gear 8 drives the other three gears 8 to rotate;

[0028] A driven wheel 13 is rotatably mounted on the top of the cross-shaped turntable 5 on one side of the driving wheel 12, a transmission belt 7 is wound on the outer wall between the driven wheel 13 and the driving wheel 12, a limit wheel 10 is rotatably mounted on the top of the cross-shaped turntable 5 on one side of the transmission belt 7 through a bracket, a first vertical shaft 9 is arranged at the center position of the top of the driven wheel 13, a sample placement seat 6 is arranged at one end of the first vertical shaft 9 away from the driven wheel 13, and an angle seat 14 is installed at the corner position of the top of the sample placement seat 6, and the angle seat 14 is arranged in an L-shaped structure;

[0029] When in use, the angle seat 14 is provided so as to place the rubber gasket 17;

[0030] Positioning holes 15 are provided on both sides of the interior of the corner seat 14, and both ends of the positioning holes 15 extend to the exterior of the corner seat 14;

[0031] When in use, the positioning hole 15 is provided so that the angle seat 14 can be installed on the top of the sample placement seat 6 via the positioning pin 16;

[0032] Rubber gaskets 17 are provided on the inner walls of both sides of the angle seat 14, and a positioning pin 16 is threadedly installed on the top of the sample placement seat 6 at the position of the angle seat 14, and the upper end of the positioning pin 16 is threadedly connected to a positioning hole 15;

[0033] When in use, the rubber gasket 17 is provided so as to stably place the sample container on the top of the sample placement seat 6 .

[0034] When the embodiment of the present application is in use, firstly, by rotating the positioning pin 16, the lower end of the positioning pin 16 passes through the positioning hole 15 and is screwed into the top of the sample placement seat 6, so that the corner seat 14 can be installed at the corner position of the top of the sample placement seat 6. Due to the setting of the rubber gasket 17, when the sample container is placed on the top of the sample placement seat 6, the rubber gasket 17 is in high friction contact with the outer wall of the sample container to firmly place the sample container on the top of the sample placement seat 6. Then, the second rotating driving member 4 drives a driving wheel 12 to rotate via the second rotating shaft 401, so that the group of driving wheels 12 drives the gear 8 above it to rotate. Since the adjacent gears 8 are meshed with each other, the group of gears 8 drives The other three groups of gears 8 are driven to rotate, and the three groups of gears 8 drive the other three driving wheels 12 to rotate synchronously, so that the four driving wheels 12 all drive the driven wheels 13 to rotate via the transmission belt 7, and the driven wheels 13 drive the sample placement seat 6 to rotate via the first vertical shaft 9, so that the sample container on the top of the sample placement seat 6 can be rotated, and finally the top seat 3 is driven to rotate via the first rotating shaft 201 through the first rotating drive member 2, so that the top seat 3 drives the cross-shaped turntable 5 to rotate. Since there are four groups of sample placement seats 6, the four groups of sample placement seats 6 can be transferred to the bottom of the defect fluorescence spectrometer in turn, and the samples can be analyzed and detected in turn at multiple stations, thereby completing the use of the rotating sample device.

Claims

1. A rotating sample device for a defect fluorescence spectrometer, characterized in that: The invention comprises a base (1), a top seat (3) is arranged above the base (1), a cross-shaped turntable (5) is arranged above the top seat (3), a driving wheel (12) with equal spacing is rotatably mounted on the top of the cross-shaped turntable (5), a driven wheel (13) is rotatably mounted on the top of the cross-shaped turntable (5) on one side of the driving wheel (12), a transmission belt (7) is wound on the outer wall between the driven wheel (13) and the driving wheel (12), a limiting wheel (10) is rotatably mounted on the top of the cross-shaped turntable (5) on one side of the transmission belt (7), a first vertical shaft (9) is arranged at the center position of the top of the driven wheel (13), and a sample placement seat (6) is arranged on the end of the first vertical shaft (9) away from the driven wheel (13).

2. The rotating sample device for defect fluorescence spectrometer according to claim 1, characterized in that: A first rotating drive member (2) is installed at the bottom of the base (1); a first rotating shaft (201) is installed at the output end of the first rotating drive member (2) via a coupling; the top end of the first rotating shaft (201) extends to the outside of the base (1) and is fixedly connected to the bottom end of the top seat (3).

3. The rotating sample device for defect fluorescence spectrometer according to claim 1, characterized in that: A second rotating drive member (4) is installed at the bottom of the top seat (3), and a second rotating shaft (401) is installed at the output end of the second rotating drive member (4) via a coupling, and the top end of the second rotating shaft (401) extends to the outside of the top seat (3) and is connected to the bottom end of a driving wheel (12).

4. The rotating sample device for defect fluorescence spectrometer according to claim 1, characterized in that: Corner seats (14) are installed at the corner positions of the top of the sample placement seat (6), and the corner seats (14) are arranged in an L-shaped structure.

5. The rotating sample device for defect fluorescence spectrometer according to claim 1, characterized in that: A second vertical shaft (11) is arranged at the center position of the top end of the driving wheel (12), and a gear (8) is arranged at one end of the second vertical shaft (11) away from the driving wheel (12), and adjacent gears (8) are meshed with each other.

6. The rotating sample device for defect fluorescence spectrometer according to claim 4, characterized in that: Positioning holes (15) are provided on both sides of the interior of the corner seat (14), and both ends of the positioning holes (15) extend to the outside of the corner seat (14).

7. The rotating sample device for defect fluorescence spectrometer according to claim 6, characterized in that: Rubber gaskets (17) are provided on the inner walls of both sides of the angle seat (14), and a positioning pin (16) is threadedly installed on the top of the sample placement seat (6) at the position of the angle seat (14), and the upper end of the positioning pin (16) is threadedly connected to a positioning hole (15).

Images