Automatic sampler of laser particle analyzer
By introducing connecting rods and telescopic rods to adjust the height of the sampling bottle in the automatic sampler of the laser particle size analyzer, and combining it with a mixing box and a feeding box, the problem of the fixed position of the sampling bottle affecting the detection effect is solved, achieving more efficient material feeding and mixing, and improving the comprehensiveness and accuracy of the detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG NIKE ANALYTICAL INSTR CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-04-10
AI Technical Summary
The fixed position of the sampling bottle in the existing laser particle size analyzer automatic sampler affects the adequacy of the detection results.
An automatic sampler was designed, comprising a worktable, a semiconductor laser, a photodetector, and a sampling bottle. The height of the sampling bottle is adjusted by connecting rods and telescopic rods. Combined with a mixing tank and a feeding box, the sampler achieves mobility of the sampling bottle and uniform feeding and mixing of materials.
The sampler's adjustability and mixing capabilities have been improved, reducing material blockage and ensuring the comprehensiveness and accuracy of the test.
Smart Images
Figure CN224109285U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to laser particle size instrument automatic sampler technical field, concretely is a kind of laser particle size instrument automatic sampler. BACKGROUND
[0002] Laser particle size instrument is the instrument that the space distribution scattering spectrum of particle's diffraction or scattering light is analyzed particle size, laser particle size instrument will laser beam be irradiated to sample, particle will scatter light signal.Detector measures and records the light intensity scattered by particle, and the size distribution of particle is calculated by optical principle.Laser particle size instrument can quickly and accurately measure the size range and distribution of particle in sample, and is widely used in the research and quality control in different fields such as particulate material, drug, food, cosmetic etc.;
[0003] Laser particle size instrument automatic sampler is a kind of equipment for particle size measurement, it combines laser technology and automatic sampling technology, and can quickly and accurately measure the size and distribution of particle.The working principle is based on laser diffraction principle, when laser beam passes through particle sample, diffraction phenomenon occurs, the angle of diffraction light is closely related to particle size, and automatic sampler can automatically introduce sample into measurement system, and the required sampling bottle is usually equipped in the collection process, but the position of most sampling bottles is fixed during detection, so that the full detection effect is easily affected. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of laser particle size instrument automatic sampler to solve the problem that its collection process is usually equipped with the required sampling bottle in the above background technology, but the position of most sampling bottles is fixed during detection, so that the full detection effect is easily affected.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of laser particle size instrument automatic sampler, including workbench, semiconductor laser, photodetector, sampling bottle, the inside of workbench is equipped with two through holes, the inside of two through holes is all penetrated with link rod, the bottom of link rod is fixed with link plate, the bottom of workbench is installed with first telescopic link, the telescopic end of first telescopic link bottom and the top of link plate are connected, the position of the outer wall of sampling bottle is fixed with limit ring plate, and support assembly for supporting is arranged below limit ring plate, support assembly contains two fixed half rings, the front and rear ends of two fixed half rings are all fixed with connecting piece, and protective pad is adhered and fixed on the inner wall surface of two fixed half rings.
[0006] As a further technical scheme of the utility model, the connecting piece is symmetrically distributed about the central axis of fixed half ring, and the left and right connecting pieces are equipped with bolts for connection.
[0007] As a further technical scheme of the utility model, the through hole is symmetrically distributed about the middle axis of the workbench, the connecting rods are slidably penetrated in the through hole, and the top of the two connecting rods is fixed with the bottom of the two fixed half rings respectively.
[0008] As a further technical scheme of the utility model, the back end of the workbench is fixed with a supporting rod, the top of the supporting rod is welded with a fixed back plate, the front end surface of the fixed back plate is fixed with a stirring box, the top of the stirring box is installed with a driving motor, the output end of the driving motor is connected with a stirring rod through a shaft coupling, and one side of the top of the stirring box is installed with a feeding port.
[0009] As a further technical scheme of the utility model, the bottom of the stirring box is communicated with an interface, the bottom of the interface is communicated with a stirring box, the bottom of the stirring box is communicated with a first discharging port, and the bottom of the first discharging port is installed with an expansion pipe.
[0010] As a further technical scheme of the utility model, the top of the inlet pipe and the bottom of the expansion pipe are both installed with a connecting flange for connection.
[0011] As a further technical scheme of the utility model, the two sides of the stirring box are fixed with limit blocks, the front end surface of the stirring box is installed with a working motor, and the output end of the working motor is drivingly connected with a driving shaft.
[0012] As a further technical scheme of the utility model, the outer side wall of the driving shaft is annularly distributed with four groups of stirring plates, and the limit blocks are symmetrically distributed about the middle axis of the stirring box.
[0013] Compared with the prior art, the automatic sampler of the laser particle size instrument has the advantages that the adjusting capacity is improved, and the stirring capacity and the stirring capacity of the automatic sampler are also improved.
[0014] The first discharging port is communicated with the bottom surface of the stirring box, the expansion pipe is communicated with the bottom surface of the first discharging port, the expansion pipe provides expansion space for the movement of the sampling bottle, the connection flange is used to connect the bottom of the expansion pipe and the top of the inlet pipe, the sampling bottle is used for sampling, the limit ring plate is fixed outside the sampling bottle, the two fixed half rings are arranged below the limit ring plate to support the sampling bottle, the bottom of the connecting rod is penetrated into the through hole, and the bottom of the connecting rod is fixed with the connecting plate, so that the connecting plate can be moved up and down after the first expansion rod works, the connecting rod is slidably adjusted in the through hole, and the height of the sampling bottle can be adjusted, so that the adjusting capacity is improved.
[0015] Through the interface that is communicated at the bottom of the stirring box, and the interface bottom is communicated with the installation of the poking box, the limiting block is installed and fixed at both sides of the poking box, and the working motor is installed at the front end face of the poking box, therefore, the driving shaft can be driven to rotate after the working motor works, therefore, the driving shaft and the poking plate can cooperate to poke the material, and the phenomenon of material blockage is reduced.
[0016] Through the installation of the feeding port at one side of the top of the stirring box, the material is fed at the position of the feeding port, and then the stirring rod can be driven to rotate after the driving motor works, so that the stirring rod can be used to mix the raw materials, thereby improving the overall stirring and mixing uniformity during the work. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a front view structural schematic diagram of the utility model;
[0018] Figure 2 It is a sampling bottle local front view structural schematic diagram of the utility model;
[0019] Figure 3 It is a support assembly top view structural schematic diagram of the utility model;
[0020] Figure 4 It is a workbench local front view sectional structure schematic diagram of the utility model.
[0021] In the drawing: 1, workbench;2, semiconductor laser;3, link plate;4, first telescopic rod;5, support rod;6, photoelectric detector;7, sampling bottle;8, telescopic pipe;9, first discharge port;10, poking box;11, stirring box;12, driving motor;13, stirring rod;14, fixed back plate;15, limiting block;16, driving shaft;17, poking plate;18, inlet pipe;19, connecting flange;20, support assembly;21, link rod;22, limiting ring plate;23, fixed half ring;24, protection pad;25, connecting sheet;26, through hole. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] Please refer to Figures 1-4The utility model provides an embodiment: a kind of laser particle size instrument automatic sampler, including workbench 1, semiconductor laser 2, photodetector 6, sampling bottle 7, two through holes 26 are set in the inside of workbench 1, the inside of two through holes 26 is penetrated with link rod 21, the bottom of link rod 21 is fixed with link plate 3, first telescopic rod 4 is installed at the bottom of workbench 1, the telescopic end of first telescopic rod 4 bottom and the top of link plate 3 are connected, the upper position of sampling bottle 7 outer wall is fixed with limit ring plate 22, the below of limit ring plate 22 is provided with the support assembly 20 for supporting, support assembly 20 includes two fixed half rings 23, the front and rear ends of two fixed half rings 23 are fixed with connecting piece 25, the inner wall surface of two fixed half rings 23 is fixed with protective pad 24 with adhesion.
[0024] Connecting piece 25 is symmetrically distributed about the central axis of fixed half ring 23, and bolts for connection are provided between left and right connecting pieces 25.
[0025] Through holes 26 are symmetrically distributed about the central axis of workbench 1, link rod 21 is slidingly penetrated in the inside of through hole 26, and the top of two link rods 21 is respectively fixed with the bottom of two fixed half rings 23.
[0026] A support rod 5 is fixed at the back end of the workbench 1, a fixed back plate 14 is welded and fixed to the top of the support rod 5, a stirring box 11 is fixed to the front end surface of the fixed back plate 14, a drive motor 12 is installed on the top of the stirring box 11, a stirring rod 13 is connected to the output end of the drive motor 12 through a shaft coupling, and a feed inlet is installed on one side of the top of the stirring box 11.
[0027] An interface is installed in communication with the bottom of the stirring box 11, a raking box 10 is installed in communication with the bottom of the interface, a first discharge port 9 is installed in communication with the bottom of the raking box 10, and an expansion pipe 8 is installed at the bottom of the first discharge port 9.
[0028] An inlet pipe 18 is installed in communication with the top end of the sampling bottle 7, and a connecting flange 19 for connection is installed on the top of the inlet pipe 18 and the bottom of the expansion pipe 8.
[0029] Limiting blocks 15 are fixed on both sides of the inside of the raking box 10, a working motor is installed on the front end surface of the raking box 10, and a drive shaft 16 is drivingly connected to the output end of the working motor.
[0030] Four groups of raking plates 17 are annularly distributed on the outer side wall of the drive shaft 16, and the limiting blocks 15 are symmetrically distributed about the central axis of the raking box 10.
[0031] Further, four groups of raking plates 17 are annularly distributed on the outer side wall of the drive shaft 16, and the side wall surface of the limiting block 15 is arc-shaped, so that the four groups of raking plates 17 serve the purpose of uniform raking.
[0032] Further, necessary valves and other components are equipped at positions of various pipes, interfaces and the like, for facilitating opening and closing control.
[0033] Working principle: firstly, the feeding port is installed on one side of the top of the stirring box 11, feeding is carried out at the position of the feeding port, then the driving motor 12 is started to work and can drive the stirring rod 13 to rotate, so that the stirring rod 13 can be used to mix the raw materials, the interface is communicated at the bottom of the stirring box 11, and the interface is communicated and installed at the bottom of the stirring box 11. The front end face of the stirring box 10 is provided with a working motor, and the working motor is started to work to drive the driving shaft 16 to rotate, so that the driving shaft 16 cooperates with the raking plate 17 to rake the material, the connection flange 19 is used to complete the connection between the bottom of the telescopic pipe 8 and the top of the inlet pipe 18, the sampling bottle 7 is used for sampling, the first telescopic rod 4 can be started to work to push the connecting plate 3 to move up and down, at this time the connecting rod 21 slides in the through hole 26 to adjust, so that the height of the sampling bottle 7 can be adjusted.
[0034] In the description of the utility model, it is necessary to explain that, unless there are definite provisions and limitations, the terms "installation", "connection", "connection" should be understood broadly, for example, it can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements inside. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.
Claims
1. A laser particle sizer autosampler comprising a workbench (1), a semiconductor laser (2), a photodetector (6), a sampling bottle (7), characterized in that: The inside of the workbench (1) is provided with two through holes (26), the inside of the two through holes (26) is penetrated by the connecting rod (21), the bottom of the connecting rod (21) is fixedly connected with the connecting plate (3), the bottom of the first telescopic rod (4) is connected with the top of the connecting plate (3), the upper position of the outer wall of the sampling bottle (7) is fixedly connected with the limiting ring plate (22), the lower position of the limiting ring plate (22) is provided with the supporting assembly (20) for supporting, the supporting assembly (20) comprises two fixed half rings (23), the front and rear ends of the two fixed half rings (23) are fixedly connected with the connecting plate (25), and the inner walls of the two fixed half rings (23) are fixedly connected with the protective pad (24).
2. The automatic sampler for a laser particle sizer according to claim 1, characterized in that: The connecting plate (25) is symmetrically distributed about the central axis of the fixed half ring (23), and the left and right connecting plates (25) are provided with bolts for connection.
3. The automatic sampler for a laser particle size instrument of claim 1, wherein: The through holes (26) are symmetrically distributed about the central axis of the workbench (1), the connecting rods (21) are slidingly penetrated in the through holes (26), and the tops of the two connecting rods (21) are fixedly connected with the bottoms of the two fixed half rings (23).
4. The automatic sampler for a laser particle size instrument of claim 1, wherein: The back end of the workbench (1) is fixedly connected with the supporting rod (5), the top of the supporting rod (5) is fixedly connected with the fixed back plate (14), the front end of the fixed back plate (14) is fixedly connected with the stirring box (11), the top of the stirring box (11) is fixedly connected with the driving motor (12), the output end of the driving motor (12) is connected with the stirring rod (13) through a shaft coupling, and one side of the top of the stirring box (11) is fixedly connected with the feeding port.
5. The automatic sampler for a laser particle sizer of claim 4, wherein: The bottom of the stirring box (11) is connected with the interface, the bottom of the interface is connected with the stirring box (10), the bottom of the stirring box (10) is connected with the first discharge port (9), and the bottom of the first discharge port (9) is connected with the telescopic pipe (8).
6. An automatic sampler for a laser particle sizer according to claim 5, characterized in that: The top of the inlet pipe (18) is connected with the telescopic pipe (8), and the top of the inlet pipe (18) and the bottom of the telescopic pipe (8) are provided with the connecting flange (19) for connection.
7. The automatic sampler for a laser particle size instrument of claim 5, wherein: The two sides of the stirring box (10) are fixedly connected with the limiting block (15), and the front end of the stirring box (10) is fixedly connected with the working motor.
8. The automatic sampler for a laser particle sizer of claim 7, wherein: The outer side wall of the driving shaft (16) is annularly provided with four groups of stirring plates (17), and the limiting blocks (15) are symmetrically distributed about the central axis of the stirring box (10).