A sample detection device for a rotating disk type X-ray diffractometer

Abstract

The utility model provides a sample detection device for a turntable type X-ray diffractometer, comprising a sample table body arranged on a turntable and capable of holding powdery samples, a detection device arranged above the sample table body and detecting the powdery samples, a powdery sample cleaning and collecting mechanism on the end surface of the sample table body holding the powdery samples, the cleaning and collecting mechanism comprising a cleaning block arranged on the top end surface of the sample table body through a bottom end surface, a scraper arranged at an opening position of a cleaning groove provided on the bottom end surface of the cleaning block and used to scrape off the powdery sample from the top end of the sample table body, a collecting component detachably mounted on the side surface of the cleaning block and connected to the inside of the cleaning groove, and a moving component arranged on the side surface of the sample table body and controlling the cleaning block to move on the top end surface of the sample table body; the utility model can conveniently clean and collect the powdery samples, ensure the detection process of the next powdery sample, and improve the detection efficiency of the powdery samples.

Description

Technical Field

[0001] The utility model relates to the technical field of X-ray diffractometer equipment, in particular to a sample detection device for a turntable X-ray diffractometer. Background Art

[0002] X-ray diffractometer can be used to identify the physical phase of powdered samples. During the identification process, a sample stage is required to support and place the powdered samples.

[0003] However, the sample stage used in current X-ray diffractometers is usually a single support table, which cannot quickly and automatically clean and collect the powdered sample after the test is completed. Manual cleaning and collection is required, which affects the testing process of the next powdered sample, that is, affects the overall detection efficiency of the powdered sample. Utility Model Content

[0004] In view of the above technical problems, the utility model provides a sample detection device for a turntable X-ray diffractometer, which can conveniently clean and collect powder samples, ensure the detection process of the next powder sample, and improve the detection efficiency of powder samples.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sample detection device for a turntable type X-ray diffractometer, comprising a sample table body arranged on a turntable and capable of holding a powdered sample, and a detection device arranged above the sample table body and detecting the powdered sample, a powdered sample cleaning and collecting mechanism on the end surface of the sample table body for holding the powdered sample, the cleaning and collecting mechanism comprising a cleaning block arranged on the top end surface of the sample table body through a bottom end surface, a scraper arranged at an opening position of a cleaning groove provided on the bottom end surface of the cleaning block and scraping off the powdered sample from the top end of the sample table body, a collecting component detachably mounted on the side surface of the cleaning block and communicating with the inside of the cleaning groove, and a moving component arranged on the side surface of the sample table body and controlling the movement of the cleaning block on the top end surface of the sample table body.

[0006] Preferably, the moving component includes a moving screw rod which is passed through a moving groove opened along the length direction of the side surface of the sample stage body, and a moving block which is passed through the moving groove and is sleeved on the moving screw rod body through a threaded connection, and the top end face of the moving block is connected to the side surface of the cleaning block through a lifting component.

[0007] Preferably, the lifting assembly includes a lifting cylinder arranged in a vertical direction and with its bottom end fixedly arranged on a moving block, and a connecting block fixedly arranged on an output end of the lifting cylinder, and a cleaning block is fixedly connected to a side of the connecting block.

[0008] Preferably, the cleaning collection mechanism also includes a fixed block fixed on the groove wall near the opening position of the cleaning groove, an elastic component arranged on the side of the fixed block and connected to the scraper, and a cleaning cylinder arranged in the cleaning groove and whose side can be in contact with the end face of the scraper and the top end face of the sample table body. The cleaning cylinder is driven by a motor to rotate around the axis of the cleaning cylinder.

[0009] Preferably, the elastic component includes a sliding rod arranged on the side surface of the fixed block adjacent to the scraper and having an elastic groove opened in the vertical direction, a sliding block slidably sleeved on the sliding rod body, and a spring movably sleeved on the sliding rod body and with both ends respectively fixedly connected to the elastic groove wall and the sliding block, and the spring is in a compressed state.

[0010] Preferably, a connecting groove is provided on the side of the cleaning block, and a conveying hole that penetrates the interior of the cleaning groove is provided on the bottom wall of the connecting groove. The collecting component includes a connecting strip that can be movably inserted into the connecting groove, a collecting block fixedly arranged on the end face of the connecting strip away from the cleaning block, and a collecting piece arranged on the collecting block for collecting powdered samples. A collecting groove is provided on the end face of the collecting block away from the connecting strip, and the collecting groove is penetrated with the interior of the cleaning groove through the through hole provided on the connecting strip; the collecting piece is arranged at the opening position of the collecting strip away from the end of the connecting strip.

[0011] Preferably, the collecting assembly comprises two filter plates arranged parallel to each other on an opening at one end of the collecting trough away from the connecting strip, and a conveying fan blade arranged between the two filter plates.

[0012] The beneficial effects of the utility model are as follows: after the powder sample is placed on the end face of the sample stage body and the powder sample is detected by the detection device, the cleaning block arranged on the sample stage body is directly driven by the moving component to move on the end face of the sample stage body, and a scraper is arranged at the opening position of the cleaning groove on the bottom end face of the cleaning block and is in contact with the top end face of the sample stage body, so that the powder sample on the top end face of the sample stage body can be cleaned and collected by the collecting component arranged on the cleaning block, and the powder sample can be cleaned and collected conveniently, thereby ensuring the detection process of the next powder sample and improving the detection efficiency of the powder sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 The utility model provides a simplified structural schematic diagram of a sample detection device for a rotating disk type X-ray diffractometer.

[0015] Figure 2It is a schematic diagram of the cross-sectional structure of a sample detection device for a rotating disk X-ray diffractometer of the utility model.

[0016] Figure 3 The utility model is a schematic diagram of the expanded structure of the sample detection device for the rotating disk X-ray diffractometer.

[0017] Figure 4 For the utility model Figure 2 Enlarged structural diagram at A in the middle.

[0018] In the figure: 1. Sample stage body; 2. Moving groove; 3. Moving screw rod; 4. Moving block; 5. Lifting cylinder; 6. Connecting block; 7. Cleaning block; 8. Connecting groove; 9. Connecting strip; 10. Collecting block; 11. Filter plate; 12. Collecting groove; 13. Limiting groove; 14. Limiting strip; 15. Through hole; 16. Guide plate; 17. Cleaning groove; 18. Fixed block; 19. Cleaning cylinder; 20. Scraper; 21. Elastic groove; 22. Sliding rod; 23. Sliding block; 24. Spring; 25. Control knob; 26. Positioning rod. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0020] See also Figure 1-4 A sample detection device for a turntable X-ray diffractometer comprises a sample stage body 1 arranged on a turntable and capable of holding a powdered sample, and a detection device arranged above the sample stage body 1 and detecting the powdered sample, a powdered sample cleaning and collecting mechanism on the end surface of the sample stage body 1 for holding the powdered sample, the cleaning and collecting mechanism comprising a cleaning block 7 arranged on the top end surface of the sample stage body 1 through a bottom end surface, a scraper 20 arranged at an opening position of a cleaning groove 17 provided on the bottom end surface of the cleaning block 7 and scraping off the powdered sample from the top end of the sample stage body 1, a collecting component detachably mounted on the side surface of the cleaning block 7 and communicating with the inside of the cleaning groove 17, and a moving component arranged on the side surface of the sample stage body 1 and controlling the cleaning block 7 to move on the top end surface of the sample stage body 1.

[0021] like Figure 1-4As shown, the powder sample is directly placed on the top end surface of the sample stage body 1, and then the detection device is arranged above the top end of the sample stage body 1, so as to facilitate the detection of the powder sample. After the powder sample is detected, the cleaning block 7 arranged on the top end surface of the sample stage body 1 is driven to move on the top end surface of the sample stage body 1 by the moving component, and the powder sample on the top end surface of the sample stage body 1 is scraped off by the scraper 20 arranged at the opening position of the cleaning groove 17 on the bottom end surface of the cleaning block 7 and in contact with the top end surface of the sample stage body 1, and the powder sample is collected by the collecting component arranged on the cleaning block 7, thereby avoiding the tediousness of manually collecting the powder sample on the end surface of the sample stage body 1 in the prior art, and the powder sample can be conveniently cleaned and collected, thereby ensuring the detection process of the next powder sample and improving the detection efficiency of the powder sample.

[0022] like Figure 1 The movable assembly comprises a movable screw rod 3 which is inserted into a movable groove 2 provided along the length direction of the side surface of the sample stage body 1, and a movable block 4 which is inserted into the movable groove 2 and is sleeved on the rod body of the movable screw rod 3 through a threaded connection. The top end surface of the movable block 4 is connected to the side surface of a cleaning block 7 through a lifting assembly, wherein the movable screw rod 3 is driven by a motor arranged on the sample stage body 1, so that it is convenient to drive the movable screw rod 3 to rotate by the motor, so that it is convenient to drive the movable screw rod 3 to rotate by the motor, so as to drive the movable block 4 which is sleeved on the rod body of the movable screw rod 3 through a threaded connection to move on the rod body of the movable screw rod 3, so as to facilitate the cleaning block 7 to move on the top end surface of the sample stage body 1 through the lifting assembly arranged on the movable block 4, so as to facilitate the cleaning and collection of the powder sample on the top end surface of the sample stage body 1, so that the powder sample can be cleaned and collected conveniently, thereby ensuring the detection process of the next powder sample and improving the detection efficiency of the powder sample.

[0023] like Figure 1 As shown, the lifting assembly includes a lifting cylinder 5 which is arranged in the vertical direction and whose bottom end is fixed on the moving block 4, and a connecting block 6 which is fixed on the output end of the lifting cylinder 5. The side of the connecting block 6 is fixedly connected to a cleaning block 7, wherein the lifting cylinder 5 arranged on the moving block 4 facilitates the cleaning block 7 connected to the output end of the lifting cylinder 5 through the connecting block 6 to move upward on the sample stage body 1, thereby facilitating the control of the cleaning block 7 to move above the top end of the sample stage body 1, or to move the bottom end to a state of being in contact with the top end surface of the sample stage body 1, thereby facilitating the subsequent cleaning and collection of the powdered sample on the top end surface of the sample stage body 1.

[0024] like Figure 1-2As shown, the cleaning and collecting mechanism also includes a fixed block 18 fixedly arranged on the groove wall of the cleaning groove 17 near the opening position, an elastic component arranged on the side of the fixed block 18 and connected to the scraper 20, and a cleaning cylinder 19 arranged in the cleaning groove 17 and the side of which can be in contact with the end face of the scraper 20 and the top end face of the sample stage body 1. The cleaning cylinder 19 is driven by a motor to rotate around the axis of the cleaning cylinder 19. When the moving block 4 and the cleaning block 7 are driven to move on the top end face of the sample stage body 1 by the moving screw 3, the cleaning cylinder 19 is driven by the motor to rotate. A cleaning brush is arranged on the side of the cleaning cylinder 19, so that on the one hand, it is convenient to clean the powder sample on the top end face of the sample stage body 1, and on the other hand, it is also convenient to clean the powder sample accumulated on the scraper 20. The powder sample is collected and recovered by setting a collecting component arranged on the cleaning block 7, so that the powder sample can be cleaned and collected conveniently, ensuring the detection process of the next powder sample and improving the detection efficiency of the powder sample.

[0025] like Figure 2 and Figure 4 As shown, the elastic component includes a slide bar 22 which is arranged on the side surface of the fixed block 18 adjacent to the scraper 20 and is provided in an elastic groove 21 in the vertical direction, a slider 23 which is slidably sleeved on the rod body of the slide bar 22, and a spring 24 which is movably sleeved on the rod body of the slide bar 22 and whose two ends are respectively fixedly connected to the groove wall of the elastic groove 21 and the slide bar 23. The spring 24 is in a compressed state, wherein the spring 24 is in a compressed state, so that the slide bar 23 sleeved on the rod body of the slide bar 22 can be easily moved downward by the elastic force of the spring 24, and the side surface of the slider 23 is fixedly connected to the side surface of the scraper 20, so that the scraper 20 can be driven to move toward the top end surface of the sample stage body 1, so as to ensure that the scraper 20 is closely fitted with the top end surface of the sample stage body 1, so that when the cleaning block 7 moves, the powder sample on the top end surface of the sample stage body 1 can be cleaned by the scraper 20, and the powder sample can be collected and recovered by the collecting component arranged on the cleaning block 7.

[0026] A connecting groove 8 is provided on the side of the cleaning block 7, and a conveying hole that penetrates the interior of the cleaning groove 17 is provided on the bottom wall of the connecting groove 8. The collecting component includes a connecting strip 9 that can be movably penetrated in the connecting groove 8, a collecting block 10 that is fixedly arranged on the end face of the connecting strip 9 away from the cleaning block 7, and a collecting piece that is arranged on the collecting block 10 to collect powdered samples. A collecting groove 12 is provided on the end face of the collecting block 10 away from the connecting strip 9, and the collecting groove 12 is penetrated with the interior of the cleaning groove 17 through a through hole 15 provided on the connecting strip 9; the collecting piece is arranged at the opening position of the collecting groove 12 away from the connecting strip 9.

[0027] The collecting assembly comprises two filter plates 11 arranged in parallel with each other on an opening of the collecting trough 12 at one end away from the connecting strip 9 , and a conveying fan blade arranged between the two filter plates 11 .

[0028] like Figure 1-3 As shown, after the powder sample on the sample plate is swept down by the scraper 20 and the cleaning cylinder 19, the conveying fan blades arranged between the two filter plates 11 are rotated, so as to facilitate the conveying of the swept powder sample, and drive the powder sample to move into the collecting tank 12, so as to facilitate the collection of the powder sample into the collecting tank 12, and recycle the powder sample, and the collecting block 10 is directly inserted into the connecting groove 8 by the connecting strip 9 arranged on the side of the collecting block 10, so as to facilitate the installation and fixing of the collecting block 10 on the cleaning block 7, or the collecting block 10 can be conveniently removed from the cleaning block 7, avoiding the step of the staff cleaning and collecting the powder sample on the top end face of the sample stage body 1 after the powder sample on the top end face of the sample stage body 1 is detected by the detection device, and the powder sample can be conveniently cleaned and collected, thereby ensuring the detection process of the next powder sample and improving the detection efficiency of the powder sample.

[0029] like Figure 2 As shown, guide plates 16 are fixedly provided on the upper and lower hole walls of the through hole 15 opened on the limit strip 14, and one side of the two guide plates 16 is fixedly provided on the upper and lower hole walls of the through hole 15 respectively, wherein the two guide plates 16 are close to each other on the sides away from the hole wall, thereby forming a transverse figure eight structure, so that after the powdery sample is driven into the collecting tank 12 by the rotation of the conveying fan blade, the powdery sample is prevented from flowing back into the cleaning tank 17 through the through hole 15.

[0030] A limiting strip 14 is fixedly arranged on the side of the connecting strip 9 along the length direction, and the limiting strip 14 matches the limiting groove 13 opened on the groove wall of the connecting groove 8, so as to ensure a stable connection between the collecting block 10 and the cleaning block 7 when they are fixed.

[0031] The end faces of the cleaning block 7 where the connecting groove 8 is provided are respectively provided with hidden grooves adjacent to the limit groove 13, a telescopic rod is fixedly provided on the bottom wall of the hidden groove, and a control knob 25 is fixedly provided on the end of the telescopic rod away from the hidden groove, a fixed spring is movably sleeved on the body of the telescopic rod, and the two ends of the fixed spring are respectively fixedly connected to the bottom wall of the hidden groove and the control knob 25, a positioning rod 26 is fixedly provided on one side of the control knob 25, and a card block is fixedly provided on the side surface of the positioning rod 26 adjacent to the cleaning block 7, and a card slot matching the card block is provided on the end face of the limit strip 14.

[0032] When the collecting block 10 is installed and fixed on the cleaning block 7, the control knob 25 is first turned to make the positioning rod 26 set on the control knob 25 away from the opening position of the connecting groove 8, so as to facilitate the connection strip 9 set on the collecting block 10 to be inserted into the connecting groove 8, and then the control knob 25 is pulled to stretch the fixing spring, and the positioning rod 26 is moved to the end position of the limit strip 14 by rotating the control knob 25, and then the control knob 25 is released. At this time, the control knob 25 will drive the control knob 25 and the positioning rod 26 set on the side of the control knob 25 to move in the direction of the slot under the action of the fixing spring, and make the block fixed on the rod body of the positioning rod 26 pass through the slot, so as to facilitate the connection strip 9 to be fixedly installed in the connecting groove 8, thereby ensuring the stability of the connection between the collecting block 10 and the cleaning block 7.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A sample detection device for a turntable X-ray diffractometer, comprising a sample stage body (1) arranged on a turntable and capable of holding a powder sample, and a detection device arranged above the sample stage body (1) and detecting the powder sample, characterized in that: A powder sample cleaning and collecting mechanism is provided on the end surface of a sample table body (1) for holding powder samples. The cleaning and collecting mechanism comprises a cleaning block (7) which is arranged on the top end surface of the sample table body (1) by being fitted with the bottom end surface, a scraper (20) which is arranged at the opening position of a cleaning groove (17) provided on the bottom end surface of the cleaning block (7) and is used to scrape the powder sample off the top end of the sample table body (1), a collecting component which is detachably mounted on the side surface of the cleaning block (7) and is connected to the inside of the cleaning groove (17), and a moving component which is arranged on the side surface of the sample table body (1) and controls the cleaning block (7) to move on the top end surface of the sample table body (1).

2. The sample detection device for a rotating disk X-ray diffractometer according to claim 1, characterized in that: The moving assembly comprises a moving screw (3) which is inserted into a moving groove (2) provided along the length direction of the side surface of the sample stage body (1), and a moving block (4) which is inserted into the moving groove (2) and sleeved on the rod body of the moving screw (3) through a threaded connection, and the top end surface of the moving block (4) is connected to the side surface of a cleaning block (7) through a lifting assembly.

3. The sample detection device for a rotating disk X-ray diffractometer according to claim 2, characterized in that: The lifting assembly comprises a lifting cylinder (5) arranged in a vertical direction and having its bottom end fixedly arranged on a moving block (4), and a connecting block (6) fixedly arranged on the output end of the lifting cylinder (5), wherein the side of the connecting block (6) is fixedly connected to a cleaning block (7).

4. The sample detection device for a rotating disk X-ray diffractometer according to claim 3, characterized in that: The cleaning collection mechanism also includes a fixed block (18) fixedly arranged on the groove wall of the cleaning groove (17) near the opening position, an elastic component arranged on the side of the fixed block (18) and connected to the scraper (20), and a cleaning cylinder (19) arranged in the cleaning groove (17) and having a side surface that can be in contact with the end surface of the scraper (20) and the top end surface of the sample stage body (1). The cleaning cylinder (19) is driven by a motor to rotate around the axis of the cleaning cylinder (19).

5. The sample detection device for a rotating disk X-ray diffractometer according to claim 4, characterized in that: The elastic component comprises a slide bar (22) which is arranged on a side surface of a fixed block (18) adjacent to a scraper (20) and has an elastic groove (21) formed in a vertical direction, a slider (23) which is slidably sleeved on the body of the slide bar (22), and a spring (24) which is movably sleeved on the body of the slide bar (22) and has two ends respectively fixedly connected to the groove wall of the elastic groove (21) and the slider (23), wherein the spring (24) is in a compressed state.

6. The sample detection device for a rotating disk X-ray diffractometer according to claim 5, characterized in that: A connecting groove (8) is provided on the side of the cleaning block (7), and a conveying hole that is connected to the inside of the cleaning groove (17) is provided on the bottom wall of the connecting groove (8). The collecting component comprises a connecting strip (9) that can be movably inserted into the connecting groove (8), a collecting block (10) that is fixedly arranged on the end surface of the connecting strip (9) away from the cleaning block (7), and a collecting piece that is arranged on the collecting block (10) to collect the powdered sample. A collecting groove (12) is provided on the end surface of the collecting block (10) away from the connecting strip (9), and the collecting groove (12) is connected to the inside of the cleaning groove (17) through a through hole (15) provided on the connecting strip (9); and the collecting piece is arranged at an opening position of the end of the collecting groove (12) away from the connecting strip (9).

7. The sample detection device for a rotating disk X-ray diffractometer according to claim 6, characterized in that: The collecting assembly comprises two filter plates (11) arranged in parallel with each other on an opening of a collecting groove (12) away from the connecting strip (9), and a conveying fan blade arranged between the two filter plates (11).

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