Multi-position side-mounted automatic sample preparation device

Abstract

The utility model discloses an automatic sample preparation device adopting a multi-position side-loading method. The multi-position side-mounted automatic sample preparation device comprises a case (101), a motor bracket (102), a middle transmission shaft bracket (103), a vibration shaft bracket (104), a tail end transmission shaft bracket (105), an indexing bracket (106), an indexing gear bearing seat (107), a linear bearing (108), a power switch (201), a motor speed regulator (202), a direct current motor (203), a coupler (204), a motor transmission shaft (205), an upper jacking rocker arm (206), a horizontal bevel gear (207) and a vertical bevel gear (208), the powder sample for X-ray scattering is prepared through the side-mounted method, the problem of preferred orientation of the sample caused by a traditional positive pressure method can be solved to a great extent, and meanwhile, the sample preparation process is simple and convenient and has good repeatability through the automatic control mode and the design of the multiple sample grooves.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of test sample preparation, in particular to a kind of multi-position side installation method automatic sample preparation device. BACKGROUND

[0002] Currently in the preparation process of one-dimensional X-ray powder sample, it is usually to adopt positive pressure method sample preparation, i.e. sample is horizontally laid into sample groove and is compacted after wiping flat. In the compaction process, sample often has preferred orientation, thereby leading to the strong orientation signal of X-ray scattering. Side installation method solves such problem well, i.e. opening hole in the side of sample groove, sample powder is added from side, then after removing front glass sheet, test is carried out. Although preferred orientation problem can be solved by side installation method, manual sample preparation operation is tedious, and sample compaction degree is difficult to grasp, and there is uncertainty factor in sample preparation. There is no related equipment to realize powder sample preparation by using side installation method in market. Therefore, a kind of equipment for preparing powder sample for X-ray test by using side installation method is designed. SUMMARY

[0003] In view of the problem that preferred orientation cannot be eliminated in the preparation of sample by existing positive pressure method, the utility model is proposed.

[0004] Therefore, one of the purposes of the utility model is to provide a kind of multi-position side installation method automatic sample preparation device for powder sample preparation, and the device can eliminate the preferred orientation problem in the preparation process of powder sample by side installation method, and can meet the demand of simultaneous sample preparation of multiple samples.

[0005] The utility model provides a kind of for powder sample preparation's multiple position side loading method automatic sample preparation device, it uses following technical scheme: the multiple position side loading method automatic sample preparation device includes equipment box and support part, motor drive assembly of control rotation and vibration and rack assembly that can be used to place sample tank;The box and support part include case, motor support, vibration shaft support, middle transmission shaft support, end transmission shaft support, index support, index gear bearing seat, linear bearing;The motor drive assembly includes power switch, motor speed regulator, DC motor, coupling, motor transmission shaft, upper top rocker arm, horizontal bevel gear, vertical bevel gear, vertical bevel gear shaft, rotary rocker arm, index gear, vibration head, vibration shaft, vibration shaft spring, vibration shaft adapter;The rack assembly includes rotary vibration disc, sample fixed slot, sample tank, sample cover, conical sample tube;The power switch is fixed on the side of case;The motor speed regulator is fixed on the top of case one side;The motor support, middle transmission shaft support, vibration shaft support, end transmission shaft support are fixed on the bottom of case in order;The index support is fixed on the upper end of end transmission shaft support;The index gear bearing seat is fixed in the middle of vibration shaft support;The DC motor is fixed on motor support, and is connected with motor speed regulator;The coupling passes through transmission shaft support and connects motor with motor transmission shaft;The upper top rocker arm is fixed on motor transmission shaft, and is attached with vibration head;The vibration head is connected with vibration shaft;The vibration shaft is wrapped vibration shaft spring outside, and is located inside linear bearing;The linear bearing is fixed on the upper end of vibration shaft support;The vibration shaft passes through the upper shell of case and is connected and fixed with vibration shaft adapter;The rotary vibration disc is fixed on the upper part of vibration shaft adapter;The sample fixed slot is distributed and fixed on rotary vibration disc with same angle;The sample tank and sample cover can be rotatably clamped, and are placed in sample fixed slot;The sample tank side edge is holed, and conical sample tube is fixed, and sample can enter sample tank through conical sample tube;When motor transmission shaft is driven to rotate by motor, upper top rocker arm can realize the up-down displacement of vibration shaft by rotation, to achieve the purpose of vibrating sample;The end of motor transmission shaft is fixed on end transmission shaft support, and horizontal bevel gear is fixed on the part close to end of motor transmission shaft, and engages with vertical bevel gear;The vertical bevel gear is fixed on vertical bevel gear shaft;The vertical bevel gear shaft is fixed on index support;Rotary rocker arm is fixed on the upper end of vertical vertical gear shaft;The rotary rocker arm is attached with index gear;The index gear is located on the upper part of index gear bearing seat, is attached with vibration shaft, and the rotation of vibration shaft arm is driven by the protrusion on vibration shaft arm;When motor transmission shaft is driven to rotate by motor, the engaged bevel gear can change the rotation of motor into the rotation of vertical bevel gear shaft, then the rotation of vibration shaft is driven by rotary rocker arm, finally the rotary vibration disc on the top of case drives sample fixed slot to rotate together.

[0006] As a preferred scheme of the multi-position side loading method automatic sample preparation device of the utility model, wherein: the DC motor controls the rotating speed through the motor controller.

[0007] As a preferred scheme of the multi-position side loading method automatic sample preparation device of the utility model, wherein: the rotating of the DC motor is realized through the rotating of the rotating rocker arm driven by the vibrating rocker arm and the bevel gear transmission, the up and down vibration and the horizontal rotation of the transmission shaft are realized, and then the vibration and rotation of the sample groove are driven.

[0008] Compared with the existing technology, the beneficial effects of the utility model include: the device can prepare the powder sample by the side loading method, greatly eliminates the preferred orientation of the sample; the device eliminates the sample preparation uncertainty brought by the manual side loading method through the automatic control mode, improves the repeatability of the test; the device can control the frequency of the rotation and vibration, thereby preparing the powder sample with different mesh numbers by the appropriate side loading method; the device is provided with nine sample grooves, and the sample grooves are completely consistent, can realize the preparation of multiple samples at the same time, and greatly improves the experimental efficiency and repeatability. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 It is an external structure schematic view of the multi-position side loading method automatic sample preparation device provided by the utility model embodiment;

[0010] Fig. 2 It is an internal structure schematic view of the multi-position side loading method automatic sample preparation device provided by the utility model embodiment;

[0011] Fig. 3 It is an internal side sectional view of the multi-position side loading method automatic sample preparation device provided by the utility model embodiment;

[0012] In the drawing: 101 case, 102 motor support, 103 middle transmission shaft support, 104 vibration shaft support, 105 end transmission shaft support, 106 indexing support, 107 indexing gear bearing seat, 108 linear bearing, 201 power switch, 202 motor speed regulator, 203 DC motor, 204 coupling, 205 motor transmission shaft, 206 upper top rocker arm, 207 horizontal bevel gear, 208 vertical bevel gear, 209 vertical bevel gear shaft, 210 rotating rocker arm, 211 indexing gear, 212 vibration head, 213 vibration shaft, 214 vibration shaft spring, 215 vibration shaft adapter, 301 rotating vibration disc, 302 sample fixing groove, 303 sample groove, 304 sample cover, 305 conical sample tube. DETAILED DESCRIPTION

[0013] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is described in detail below with reference to the drawings.

[0014] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, therefore, the present application is not limited to the specific implementation manner disclosed below.

[0015] Secondly, the present application is described in detail in combination with the schematic diagram, when the implementation manner of the present application is described in detail, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0016] In order to make the purpose, technical scheme and advantages of the present application more clear, the implementation manner of the present application will be further described in detail below in combination with the drawings.

[0017] The embodiment of the present application provides the following technical scheme: a multi-position side loading method automatic sample preparation device, which is used for preparing a powder sample for X-ray scattering by a side loading method, can greatly eliminate the sample preferred orientation problem caused by the traditional positive pressure method, and the self-control control mode and the design of multiple sample grooves make the sample preparation process simple and convenient and have good repeatability.

[0018] Figs. 1-3 The embodiment of the present application provides a multi-position side loading method automatic sample preparation device structure schematic diagram, referring to Figs. 1-3 The multi-position side loading method automatic sample preparation device provided by the embodiment of the present application comprises a case 101, a motor support 102, a middle transmission shaft support 103, a vibration shaft support 104, an end transmission shaft support 105, a division support 106, a division gear bearing seat 107, a linear bearing 108, a power switch 201, a motor speed regulator 202, a direct current motor 203, a shaft coupling 204, a motor transmission shaft 205, an upper top rocker arm 206, a horizontal bevel gear 207, a vertical bevel gear 208, a vertical bevel gear shaft 209, a rotary rocker arm 210, a division gear 211, a vibration head 212, a vibration shaft 213, a vibration shaft spring 214, a vibration shaft adapter 215, a rotary vibration disc 301, a sample fixing groove 302, a sample groove 303, a sample cover 304 and a conical sample tube 305.

[0019] The motor support 102, the middle transmission shaft support 103, the vibration shaft support 104 and the end transmission shaft support 105 are fixed to the bottom of the cabinet 101 in sequence from one end to the other end, the indexing support 106 is fixed to the upper side of the end transmission shaft support 105, the indexing gear bearing seat 107 is fixed to the middle side of the transmission shaft support 104, and the linear bearing 108 is fixed to the upper part of the transmission shaft support 104. All the support assemblies play a fixing role on the internal motor, bearings and gears.

[0020] The power switch 201 is fixed to the side of the cabinet 101, and the motor speed regulator 202 is fixed to the upper side of the cabinet 101. The DC motor 203 is fixed to the motor support 102 and connected with the motor speed regulator 202. The DC motor 203 is connected with the motor transmission shaft 205 through the shaft coupling 204, and the motor transmission shaft 205 is fixed by the middle transmission shaft support 103 and the end transmission shaft support 104. The upper top rocker arm 206 is fixed to the motor transmission shaft 205 and in the same vertical line with the vibration shaft support 104. The vibration shaft 213 is wrapped with the vibration shaft spring 214 and fixed to the linear bearing 108. The vibration head 212 is fixedly connected below the vibration shaft 213. The vibration head 212 is attached to the upper top rocker arm 206. The upper top rocker arm 206 is in the shape of the number 6, and when it is rotated by the motor transmission shaft 205, it can make the vibration shaft 213 present periodic up and down vibration through the vibration head 212. The motor transmission shaft 205 is fixedly installed with the horizontal bevel gear 207 near the end. The vertical bevel gear shaft 209 is fixed to the indexing support 106, and the vertical bevel gear shaft 209 is fixedly installed at the lower end. The vertical bevel gear 208 is engaged with the horizontal bevel gear 207, which converts the horizontal rotation of the motor into the vertical direction rotation of the vertical bevel gear shaft. The upper part of the vertical bevel gear shaft 209 is fixedly connected with the rotary rocker arm 210, which can be rotated together. The indexing gear 211 is installed on the vibration shaft 213 and embedded through the protrusion on the side of the vibration shaft. The indexing gear 211 is attached to the rotary rocker arm 210 and can be rotated by the rotary rocker arm 210, thereby driving the vibration shaft 213 to rotate together.

[0021] The vibration shaft 213 is fixedly connected with the rotary vibration disc 301 above the case 101 through a vibration shaft adapter 215; nine sample fixing grooves 302 are evenly distributed radially on the rotary vibration disc 301; the sample container for powder sample preparation is divided into a sample groove 303 and a sample cover 304, and the two can be screwed together; the side edge of the sample groove 303 is provided with a hole, and a conical sample tube 305 is fixed on the side edge; the sample cover 304 is provided with a hole to ensure smooth sampling. After the sample groove 303 and the sample cover 304 are screwed together, they are inserted into the sample fixing groove 302, and the sample is fed from the conical sample tube 305 at the upper end; the rotation of the DC motor 203 drives the rotary vibration disc 301 and the sample fixing groove 302, the sample groove 303, the sample cover 304 and the conical sample tube 305 above the rotary vibration disc 301 to vibrate and rotate together, and the powder sample enters the sample groove through vibration and rotation and is compacted.

[0022] In combination Figs. 1-3 The working principle of the multi-position side mounting method automatic sample preparation device provided by the embodiment of the utility model is as follows:

[0023] (1) After the sample groove 303 and the sample cover 304 are screwed together, they are inserted into the sample fixing groove 302, the side hole is upward, and the conical sample tube 305 is inserted, and the powder sample is added into the conical sample tube.

[0024] (2) Turn on the power switch 201, and adjust the speed to an appropriate speed through the motor speed regulator 202, at this time, the whole rotary sample disc 301 will rotate and vibrate up and down, through vibration, the powder sample enters the sample groove 303 through the side hole and is compacted.

[0025] (3) Take out the sample groove 303, carefully open the sample cover 304, and fix the sample groove on the X-ray equipment for testing.

[0026] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not described exhaustively in the specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A multi-position side loader auto-sampler characterized by, The multi-position side loading automatic sample preparation device comprises a case (101), a motor support (102), a middle transmission shaft support (103), a vibration shaft support (104), a terminal transmission shaft support (105), an indexing support (106), an indexing gear bearing seat (107), a linear bearing (108), a power switch (201), a motor speed regulator (202), a DC motor (203), a shaft coupling (204), a motor transmission shaft (205), an upper top rocker arm (206), a horizontal bevel gear (207), a vertical bevel gear (208), a vertical bevel gear shaft (209), a rotary rocker arm (210), an indexing gear (211), a vibration head (212), a vibration shaft (213), a vibration shaft spring (214), a vibration shaft adapter (215), a rotary vibration disc (301), a sample fixing groove (302), a sample groove (303), a sample cover (304), and a conical sample tube (305).

2. The multi-position side loader auto-sampler of claim 1, wherein, The motor support (102), the middle transmission shaft support (103), the vibration shaft support (104), and the terminal transmission shaft support (105) are sequentially fixed to the bottom of the case (101) from one end to the other end, the indexing support (106) is fixed to the upper side of the terminal transmission shaft support (105), the indexing gear bearing seat (107) is fixed to the middle side of the vibration shaft support (104), and the linear bearing (108) is fixed to the upper part of the vibration shaft support (104).

3. The multi-position side loader auto-sampler of claim 2, wherein, The DC motor (203) is fixed to the motor support (102) and connected with the motor speed regulator (202); the DC motor (203) is connected with the motor transmission shaft (205) through the shaft coupling (204), the motor transmission shaft (205) is fixed by the middle transmission shaft support (103) and the terminal transmission shaft support (105); the upper top rocker arm (206) is fixed to the motor transmission shaft (205) and in the same vertical line with the vibration shaft support (104); the vibration shaft (213) is wrapped with the vibration shaft spring (214) and fixed to the linear bearing (108), and the vibration head (212) is fixed below the vibration shaft (213); the vibration head (212) is attached to the upper top rocker arm (206); the upper top rocker arm (206) is in the shape of the number 6, when being rotated by the motor transmission shaft (205), the vibration shaft (213) can be periodically vibrated up and down through the vibration head (212).

4. The multi-position side loader auto-sampler of claim 3, wherein, The motor drive shaft (205) is fixed with a horizontal bevel gear (207) near the end; the vertical bevel gear shaft (209) is fixed at the indexing support (106), and the lower end is fixed with a vertical bevel gear shaft (209); the vertical bevel gear (208) and the horizontal bevel gear (207) are engaged with each other, which converts the horizontal rotation of the motor into the vertical direction rotation of the vertical bevel gear shaft; the upper part of the vertical bevel gear shaft (209) is fixed with a rotating rocker arm (210), which can be driven to rotate together; the indexing gear (211) is installed on the vibration shaft (213), and the two are fitted through the protrusion on the side of the vibration shaft; the indexing gear (211) is in close contact with the rotating rocker arm (210) and can be driven to rotate by the rotating rocker arm (210), so as to drive the vibration shaft (213) to rotate together.

5. The multi-position side loader auto-sampler of claim 4, wherein, The vibration shaft (213) is connected with the rotating vibration disc (301) above the case (101) through the vibration shaft adapter (215); the rotating vibration disc (301) is uniformly distributed with a plurality of sample fixing grooves (302) in a radial manner; the rotation of the DC motor (203) drives the rotating vibration disc (301) and the sample fixing groove (302) above to vibrate and rotate together through the vibration shaft (213).

6. The multi-position side loader auto-sampler of claim 5, wherein, The sample groove (303) and the sample cover (304) can be screwed together; the side edge of the sample groove (303) is provided with a hole, and the side edge is fixed with a conical sample tube (305); the sample cover (304) is provided with a hole to ensure smooth sampling; after the sample groove (303) and the sample cover (304) are screwed together, they are inserted into the sample fixing groove (302), and the sample is fed from the conical sample tube (305) at the upper end; the powder sample enters the sample groove through vibration and rotation and is compacted.

7. The multi-position side loader auto-sampler of claim 5 or 6, wherein, The number of sample fixing grooves (302) is 9 or 6 in total.

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