CN221238689U - Automatic sampling device for laser particle analyzer - Google Patents
Automatic sampling device for laser particle analyzer Download PDFInfo
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- CN221238689U CN221238689U CN202322520941.5U CN202322520941U CN221238689U CN 221238689 U CN221238689 U CN 221238689U CN 202322520941 U CN202322520941 U CN 202322520941U CN 221238689 U CN221238689 U CN 221238689U
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- 238000005070 sampling Methods 0.000 title claims abstract description 65
- 239000002245 particle Substances 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of laser particle sizer equipment, in particular to an automatic sampling device for a laser particle sizer, which comprises a base; the measuring device comprises a base, a measuring host and a sampling seat, wherein a pipeline is connected between the measuring host and the sampling seat, a mounting groove is formed in the sampling seat, a feeding hole is formed in the bottom of the mounting groove, a sleeve is fixedly connected to a port of the feeding hole, a movable block is slidably mounted in the sleeve, four springs are fixedly connected between the movable block and the inner wall of the mounting groove, the four springs are arranged around the feeding hole, a receiving groove is fixedly connected to the movable block, and a rectangular feeding hole is formed in the receiving groove; when the device is used for sampling a sample, the purpose of quantitative sampling can be realized, the sampling amount can be accurately controlled, the phenomenon of excessive sampling or insufficient sampling is avoided, the accuracy of a detection result is improved, and the sample is conveniently transferred into a measuring chamber in a measuring host to be measured.
Description
Technical Field
The utility model relates to the technical field of laser particle sizer equipment, in particular to an automatic sampling device for a laser particle sizer.
Background
The laser particle analyzer is a particle size analyzer, which measures and analyzes the particle size of a sample by using a laser light source and scattered light signals, and when detecting and analyzing the particle size of the sample, a sampling device is required to sample the sample.
The existing automatic sampling device for the laser particle sizer generally comprises a feeding hopper and an inclined guide chute, when a sample is sampled, the sample falls into the inclined guide chute through the feeding hopper, and then the sample flows into a feeding hole along the inclined guide chute, so that the sampling operation of the sample is realized.
In the prior art, when the particle size of a sample is tested, the sample cannot be quantitatively sampled, so that the phenomenon of excessive sampling or insufficient sampling of the sample is easily caused, and the accuracy of a detection result is influenced; accordingly, an automatic sampling device for a laser particle analyzer has been proposed to solve the above-mentioned problems.
Disclosure of utility model
In order to overcome the defects of the prior art and solve the problems set forth in the background art, the utility model provides an automatic sampling device for a laser particle analyzer.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to an automatic sampling device for a laser particle analyzer, which comprises a base; the base is respectively provided with a measuring host and a sampling seat, a pipeline is connected between the measuring host and the sampling seat, a mounting groove is formed in the sampling seat, a feeding hole is formed in the bottom of the mounting groove, a sleeve is fixedly connected to a port of the feeding hole, a movable block is slidably mounted in the sleeve, four springs are fixedly connected between the movable block and the inner wall of the mounting groove, the four springs surround the feeding hole, a material receiving groove is fixedly connected to the movable block, a rectangular feeding hole is formed in the material receiving groove, a long supporting plate and a short supporting plate are respectively fixed to the inner wall of the bottom of the mounting groove, an inclined material guiding groove is fixedly connected to the top ends of the long supporting plate and the short supporting plate in a matched mode, an L-shaped plate is fixedly connected to the top end of one side of the sampling seat, a feeding hopper is mounted on the L-shaped plate, the bottom end of the feeding hopper is arranged in the inclined material guiding groove, when sampling a sample, the sample falls into the inclined guide chute through the feeding hopper, then is conveyed along the inclined guide chute, and flows into the receiving chute through the rectangular feed inlet, the sample weight carried in the receiving chute is gradually increased, the spring is stressed and compressed due to the gravity effect of the sample, the movable block moves downwards along the sleeve, the receiving chute moves downwards along with the movable block, the rectangular feed inlet also moves downwards along with the movement of the receiving chute, when the rectangular feed inlet moves downwards to the lower part of the bottom end of the inclined guide chute, the bottom end outlet of the inclined guide chute is blocked, the sample cannot continuously enter the receiving chute, the sample sampling amount is the compression amount of the spring, then the electromagnetic valve is opened through the control switch, so that the sample in the receiving chute can be dropped into the feed hole through the funnel, the aim of quantitative sampling is realized, the sampling amount can be accurately controlled, the phenomenon of excessive sampling or insufficient sampling is avoided, so that the accuracy of a detection result is improved, and meanwhile, a sample is conveniently transferred into a measuring chamber in a measuring host machine for measurement.
Preferably, the screw thread groove has been seted up to the opposite side of sample seat, it has the screw rod to alternate in the screw thread groove, just the one end rigid coupling of screw rod is on connecing the silo, the cover is equipped with the locking cap on the screw rod, just the locking cap sets up in the outside of sample seat, when using the device, through setting up the locking cap, can fix the screw rod to can be with connecing the silo to can fix in current position, prevent along with the reduction of connecing the intra-silo sample quality, connect the phenomenon that silo and rectangle feed inlet risen, further guaranteed the degree of accuracy of ration sample simultaneously.
Preferably, the bottom rigid coupling of movable block has the funnel, be equipped with the solenoid valve on the funnel, install control switch on the sampling seat, control switch and magnetic valve electric connection, when using the device, through setting up the funnel, through the control switch effect, open the solenoid valve, be convenient for with connect the sample in the silo to get into in the feed port through the funnel.
The utility model has the advantages that:
1. When a sample is sampled, the sample falls into the inclined guide chute through the feeding hopper and is conveyed along the inclined guide chute, the sample flows into the receiving chute through the rectangular feed inlet, the mass of the sample borne in the receiving chute is gradually increased, the spring is stressed and compressed due to the action of sample gravity, the movable block moves downwards along the sleeve, the rectangular feed inlet is driven to move downwards along with the receiving chute, when the rectangular feed inlet moves downwards below the bottom end of the inclined guide chute, the bottom end outlet of the inclined guide chute is blocked, the sample cannot continuously enter the receiving chute, the sample sampling amount is the compression amount of the spring, so that the aim of quantitative sampling is fulfilled, the sampling amount can be accurately controlled, the phenomenon of excessive sampling or insufficient sampling is avoided, the accuracy of a detection result is improved, and the sample is conveniently transferred into a measuring chamber in a measuring host machine for measurement;
2. When the device is used, the locking cap is arranged, so that the screw rod can be fixed, the receiving groove can be fixed at the current position, the phenomenon that the receiving groove and the rectangular feeding hole rise along with the reduction of the sample mass in the receiving groove is prevented, and meanwhile, the accuracy of quantitative sampling is further ensured.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of an overall top perspective view;
FIG. 2 is a schematic side perspective view of a sampling mechanism;
FIG. 3 is a schematic cross-sectional perspective view of a sampling seat and a cannula;
FIG. 4 is a schematic perspective view of a receiving trough assembly;
fig. 5 is a schematic diagram of a left-view perspective structure of the sampling mechanism.
In the figure: 1. a base; 2. a measuring host; 3. a sampling seat; 4. a pipe; 5. a feed hole; 6. a sleeve; 7. a spring; 8. a movable block; 9. a receiving groove; 10. a rectangular feed inlet; 11. a thread groove; 12. a screw; 13. a locking cap; 14. a long support plate; 15. a short support plate; 16. tilting the guide chute; 17. an L-shaped plate; 18. a charging hopper; 19. a funnel; 20. an electromagnetic valve; 21. and controlling the switch.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to FIGS. 1-4, an automatic sampling device for a laser particle analyzer comprises a base 1; the measuring host 2 and the sampling seat 3 are respectively arranged on the base 1, a pipeline 4 is connected between the measuring host 2 and the sampling seat 3, an installation groove is formed in the sampling seat 3, a feeding hole 5 is formed in the bottom of the installation groove, a sleeve 6 is fixedly connected to the port of the feeding hole 5, a movable block 8 is slidably mounted in the sleeve 6, four springs 7 are fixedly connected between the movable block 8 and the inner wall of the installation groove, the four springs 7 are arranged around the feeding hole 5, a material receiving groove 9 is fixedly connected to the movable block 8, a rectangular feeding hole 10 is formed in the material receiving groove 9, a long supporting plate 14 and a short supporting plate 15 are respectively fixed on the inner wall of the bottom of the installation groove, an inclined material guiding groove 16 is fixedly connected to the top ends of the long supporting plate 14 and the short supporting plate 15 in a matched mode, an L-shaped plate 17 is fixedly connected to the top end of one side of the sampling seat 3, a feeding hopper 18 is mounted on the L-shaped plate 17, and the bottom end of the feeding hopper 18 is arranged in the inclined material guiding groove 16; when a sample is sampled, the sample falls into the inclined guide chute 16 through the feeding hopper 18, then is conveyed along the inclined guide chute 16, and flows into the receiving chute 9 through the rectangular feeding port 10, the sample weight carried in the receiving chute 9 is gradually increased, the spring 7 is compressed under the action of sample gravity, the movable block 8 moves downwards along the sleeve 6, the receiving chute 9 further moves downwards along with the movable block, the rectangular feeding port 10 also moves downwards along with the movement of the receiving chute 9, when the rectangular feeding port 10 moves downwards below the bottom end of the inclined guide chute 16, the bottom end outlet of the inclined guide chute 16 is blocked, the sample cannot continuously enter the receiving chute 9, the sample sampling amount is the compression amount of the spring 7, then, the electromagnetic valve 20 is opened under the action of the control switch 21, so that the sample in the receiving chute 9 can fall into the feeding hole 5 through the funnel 19, the purpose of quantitative sampling is realized, the phenomenon that the sample is excessively sampled or insufficiently sampled is avoided, the accuracy of detection results is improved, and the sample is conveniently transferred into the measuring chamber 2 for measuring.
Referring to fig. 5, a thread groove 11 is formed on the other side of the sampling seat 3, a screw 12 is inserted into the thread groove 11, one end of the screw 12 is fixedly connected to the receiving groove 9, a locking cap 13 is sleeved on the screw 12, the locking cap 13 is arranged on the outer side of the sampling seat 3, a funnel 19 is fixedly connected to the bottom end of the movable block 8, an electromagnetic valve 20 is assembled on the funnel 19, a control switch 21 is installed on the sampling seat 3, and the control switch 21 is electrically connected with the electromagnetic valve 20; when the device is used, through setting up locking cap 13, can fix screw rod 12 to can fix receiving groove 9 in current position, prevent along with the reduction of receiving inslot 9 sample quality, the phenomenon that receiving groove 9 and rectangle feed inlet 10 risen has further guaranteed the degree of accuracy of ration sample simultaneously.
The working principle is that in the prior art, when the particle size of a sample is tested, the sample cannot be quantitatively sampled, so that the phenomenon of excessive sampling or insufficient sampling of the sample is easily caused, and the accuracy of a detection result is influenced; therefore, an automatic sampling device for a laser particle analyzer is proposed to solve the above problems; when samples are sampled, the samples fall into the inclined guide chute 16 through the feeding hopper 18 and then are conveyed along the inclined guide chute 16, the samples flow into the receiving chute 9 through the rectangular feeding port 10, the mass of the samples borne in the receiving chute 9 is gradually increased, the springs 7 are compressed under the action of the gravity of the samples, the movable blocks 8 move downwards along the sleeves 6, the receiving chute 9 further moves downwards along with the movable blocks, the rectangular feeding port 10 also moves downwards along with the movement of the receiving chute 9, when the rectangular feeding port 10 moves downwards below the bottom end of the inclined guide chute 16, the bottom end outlet of the inclined guide chute 16 is blocked, the samples cannot continuously enter the receiving chute 9, the sample sampling amount is the compression amount of the springs 7, then the electromagnetic valve 20 is opened under the action of the control switch 21, so that the samples in the receiving chute 9 can fall into the feeding hole 5 through the hopper 19, the purpose of quantitative sampling is realized, the phenomenon that the samples are excessively sampled or insufficiently sampled is avoided, the accuracy of detection results is improved, and the samples are conveniently transferred into the measuring chamber 2 for measurement in the measuring chamber at the same time;
When the device is used, through setting up locking cap 13, can fix screw rod 12 to can fix receiving groove 9 in current position, prevent along with the reduction of receiving inslot 9 sample quality, the phenomenon that receiving groove 9 and rectangle feed inlet 10 risen has further guaranteed the degree of accuracy of ration sample simultaneously.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. An automatic sampling device for a laser particle analyzer, which is characterized in that: comprises a base (1); be provided with measurement host computer (2) and sample seat (3) on base (1) respectively, be connected with pipeline (4) between measurement host computer (2) and sample seat (3), the mounting groove has been seted up on sample seat (3), feed inlet (5) have been seted up to the bottom of mounting groove, and the port department rigid coupling of feed inlet (5) has sleeve pipe (6), slidable mounting has movable block (8) in sleeve pipe (6), the rigid coupling has four springs (7) between the inner wall of movable block (8) and mounting groove, and four springs (7) encircle feed inlet (5) setting, the rigid coupling has material receiving groove (9) on movable block (8), rectangular feed inlet (10) have been seted up on material receiving groove (9).
2. An automatic sampling device for a laser particle sizer according to claim 1, wherein: the long support plate (14) and the short support plate (15) are respectively fixed on the inner wall of the bottom of the mounting groove, and the top ends of the long support plate (14) and the short support plate (15) are fixedly connected with an inclined guide groove (16) in a matching way.
3. An automatic sampling device for a laser particle sizer according to claim 1, wherein: an L-shaped plate (17) is fixedly connected to the top end of one side of the sampling seat (3), a feeding hopper (18) is mounted on the L-shaped plate (17), and the bottom end of the feeding hopper (18) is arranged in the inclined guide chute (16).
4. An automatic sampling device for a laser particle sizer according to claim 1, wherein: the other side of the sampling seat (3) is provided with a thread groove (11), a screw rod (12) is inserted into the thread groove (11), and one end of the screw rod (12) is fixedly connected to the receiving groove (9).
5. An automatic sampling device for a laser particle sizer according to claim 4, wherein: the screw (12) is sleeved with a locking cap (13), and the locking cap (13) is arranged on the outer side of the sampling seat (3).
6. An automatic sampling device for a laser particle sizer according to claim 1, wherein: the bottom rigid coupling of movable block (8) has funnel (19), be equipped with solenoid valve (20) on funnel (19), install control switch (21) on sample seat (3), control switch (21) and solenoid valve (20) electric connection.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221238689U true CN221238689U (en) | 2024-06-28 |
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