Tripod type grain sample splitter
By setting sample drop holes and sample retention channels in the bell-shaped grain sampler, combined with a multi-layer cone distributor and a discharge channel group, the problems of sample blockage and unevenness are solved, and the uniform distribution and representativeness of the samples are achieved.
Patent Information
- Application Number
- CN202520056803.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Existing bell-shaped grain samplers are prone to clogging and uneven distribution during the sampling process due to high sample friction, which affects the representativeness of the samples.
Several evenly spaced sample drop holes and sample retention channels were designed. Combined with a cone-shaped material distribution section that is smaller at the top and larger at the bottom and a cone-shaped material gathering section that is larger at the top and smaller at the bottom, the sample is evenly distributed and mixed multiple times through a multi-layer cone-shaped material distributor. A grid plate and a discharge channel group are provided to improve the uniformity and representativeness of the sample distribution.
It achieves uniform sample separation and thorough mixing, improves sample representativeness, avoids clogging, and facilitates movement and measurement operations.
Smart Images
Figure CN223808202U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to grain sample dividing device, specifically will be a kind of bell and stand type grain sample divider. BACKGROUND
[0002] The process that original sample (set sample) is fully mixed and uniform, and then is divided and taken average sample or sample is called sample dividing. Original sample is the representative of a batch of grain oil to be tested, and the sample taken must also be representative in order to meet the needs of testing and ensure the uniformity of sample. Therefore, the requirements for sample are: fully mixed, uniform division. The process of using sample divider to mix and take sample is called sample divider sample dividing method. Sample divider can be divided into bell and stand type, Canada type and horizontal format according to its basic structure. The commonly used is bell and stand type sample divider, which is composed of hopper, funnel switch, cone, sample dividing grid, sample outlet and receiver. Its sample dividing principle is to use the gravity of sample itself to naturally fall down. After sample is mixed by cone and enters the sample dividing grid of sample divider, it is divided into two parts and enters the receiver on both sides.
[0003] Usually, sample dividing grid is designed in bell and stand type sample divider, which has the effect of smooth and natural falling of grain without blocking in sample divider. However, in the actual sample dividing process, due to the large friction of sample (such as rice) in the process of natural falling, the caliber of sample dividing grid is small, which leads to the blocking of sample at the edge of sample dividing grid in sample divider, and even the phenomenon of uneven division. CONTENT OF THE UTILITY MODEL
[0004] Therefore, in order to solve the above problems, the utility model provides a bell and stand type grain sample divider, which can realize uniform division of sample by setting several uniformly and interval arranged sample falling holes, and can realize collection of sample and collection of sample by designing upper small and lower large cone material division part and upper large and lower small cone material gathering part.
[0005] Specifically, a bell and stand type grain sample divider comprises a base body, an upper part of the base body is provided with a feeding hopper, and a lower part of the base body is provided with a discharging part,
[0006] At least one layer of cone material divider is arranged in the base body, the upper part of the cone material divider is an upper small and lower large cone material division part, the uppermost layer of the cone material division part is opposite to the material port of the feeding hopper, the lower part of the cone material divider is an upper large and lower small cone material gathering part, the bottom of the cone material gathering part is a discharging port, and the discharging port is opposite to the cone material division part of lower layer of cone material divider or the discharging part of base body;
[0007] A plurality of sample drop holes are arranged on the conical surface of the conical distribution part, the sample drop holes are communicated with the conical collecting part, and sample slide ways are formed between adjacent sample drop holes; preferably, 8 sample drop holes and 8 sample slide ways are arranged on the conical distribution part, and the 8 sample drop holes and the 8 sample slide ways are arranged in a uniform circular array with the axis of the conical distribution part as the center.
[0008] The discharge part is provided with a sample collection channel and a sample retention channel, the sample slide way is communicated with the sample retention channel, and the sample collection channel is communicated with the discharge port of the collecting part of the lowermost conical distribution part.
[0009] Optionally, the discharge part is provided with a discharge channel group, a distribution block is arranged on the discharge channel group, and the distribution block is opposite to the discharge port of the collecting part of the lowermost conical distribution part; the material falling from the collecting part of the lowermost conical distribution part enters the discharge channel group through the distribution block.
[0010] The discharge channel group comprises two oppositely arranged sample collection channels and two oppositely arranged sample retention channels, and the sample collection channels are arranged at intervals.
[0011] Optionally, grating plates extending to the upper end of the conical distribution part and fixed to the conical surface of the conical distribution part are arranged on both sides of the sample slide way.
[0012] Optionally, a gap is formed between the outer wall of the conical distribution part and the inner wall of the base body, and the sample slide way is communicated with the sample retention channel through the gap.
[0013] Optionally, a sample retention collecting hopper with a large upper part and a small lower part is arranged at the lower part of the base body, the sample retention collecting hopper is communicated with the sample retention channel, and a sample discharge port is arranged at the bottom of the sample retention collecting hopper.
[0014] Optionally, a sample collection nozzle communicated with the sample collection channel is fixedly arranged on the periphery of the base body.
[0015] Optionally, three conical distribution parts are arranged in the base body.
[0016] Optionally, the base body is provided with a support with a roller (the roller can be a universal wheel with a brake).
[0017] Optionally, the base body is provided with a handrail.
[0018] Optionally, the feeding hopper is provided with a scale, and a valve is arranged at the discharge port of the feeding hopper.
[0019] The utility model has the following advantages:
[0020] The utility model relates a bell and stand type grain sample divider, through setting up several even and interval arrangement's sample drop hole sample drop slide, can realize even sample distribution, through design upper small lower big conical distribution part and upper big lower small conical material gathering part, can realize the collection of sample sample and the collection of sampling sample.
[0021] Through multilayer conical distributor, sampling sample can be sampled for many times, and the mixing of sample can be realized in the process of many times sampling, full mixing, uniform distribution and collection are realized, and the representativeness of sample is improved.
[0022] Meanwhile, the grid plate is installed on the conical distributor, the grid plate is located at both sides of the sample slide, can realize guiding the material on the conical surface of the conical distribution part, makes the material better enter the sample slide or sample drop hole, improves the uniformity when sample distribution.
[0023] Through setting up the discharge channel group in the lower part of the base, the discharge channel group is provided with the distribution block, preferably, the discharge channel group includes two oppositely arranged sampling channels and two oppositely arranged sample channels, and the sampling channel is arranged at intervals with the sample channel. Through the technical feature, the material passing through the last layer of conical distributor can be divided into four equal parts again, so that the desired sample amount is measured. And through the distribution block, full mixing, uniform distribution and collection can be realized, and the representativeness of sample is improved.
[0024] Meanwhile, the utility model discloses setting up the roller and the hand guard on the base, also can conveniently move the sample divider to the specified position for the same seat personnel, sets up the scale in the hopper, can conveniently measure the material in the hopper for the staff. DRAWINGS
[0025] Figure 1 It is the three-dimensional structure schematic diagram of the utility model,
[0026] Figure 2 It is the cut schematic diagram of the utility model,
[0027] Figure 3 It is the three-dimensional structure schematic diagram of the conical distributor of the utility model,
[0028] Figure 4 It is another perspective three-dimensional structure schematic diagram of the conical distributor of the utility model,
[0029] Figure 5 It is the front view schematic diagram of the conical distributor of the utility model,
[0030] Figure 6 It is the three-dimensional structure schematic diagram of the conical material gathering part of the utility model,
[0031] Figure 7is a structural schematic view of forming the group of discharge channels;
[0032] In the figure: 100, base; 101, feeding hopper; 102, sampling nozzle; 103, handrail; 105, support; 200, conical feeder; 201, conical dividing part; 202, conical collecting part; 203, sample retaining slide; 204, sample falling hole; 205, grating plate; 301, dividing block; 302, partition. DETAILED DESCRIPTION
[0033] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the same or like reference numerals and characters throughout the figures denote the same or like elements or elements having the same or similar functions. The embodiments described below are exemplary and intended to be illustrative of the present application and are not to be understood as limiting of the present application.
[0034] In this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0035] As described in the background, the process of sufficiently mixing a uniform original sample (bulk sample) and then sub-sampling an average sample or test sample is called sample division. The original sample is a representative of the grain oil under test, and in order to meet the needs of testing and ensure the uniformity of the sample, the sub-sampled sample must also be representative. Therefore, the requirements for the sample are: sufficient mixing and uniform sub-sampling. The process of mixing and sub-sampling the sample using a sample divider is called sample divider sample division method. Sample dividers can be divided into clock bell type, Canadian type and horizontal format according to their basic structure. The commonly used is the clock bell type sample divider, which is composed of a hopper, a funnel switch, a conical body, a sample dividing grid, a sample flow port and a receiver. Its sample dividing principle is to use the natural falling of the sample itself, and after the sample is mixed by the conical body and enters the sample dividing grid of the sample divider, it is divided into two parts and enters the receivers on both sides.
[0036] Generally, a sample dividing grid is designed in the clock bell type sample divider, which has the function of allowing the grain to fall smoothly and naturally without being blocked in the sample divider. However, in the actual sample division process, due to the large friction of the sample (such as rice) during natural falling, the caliber of the sample dividing grid is small, which causes the sample to be blocked at the edge of the sample dividing grid in the sample divider, and even the phenomenon of uneven sample division occurs.
[0037] Based on the above reasons, the present embodiment provides a bell-shaped grain sample divider, which comprises a base body 100, an upper part of the base body is provided with a feeding hopper 101, and a lower part of the base body is provided with a discharging part,
[0038] A three-layer conical distributor 200 is arranged in the base body, an upper part of the conical distributor is a conical distributing part 201 with a small upper part and a large lower part, wherein the uppermost conical distributing part is opposite to a material outlet of the feeding hopper, and a lower part of the conical distributor is a conical collecting part 202 with a large upper part and a small lower part, and a bottom of the conical collecting part 202 is a discharging outlet which is opposite to a conical distributing part of a lower layer conical distributor or a discharging part of the base body;
[0039] A plurality of sample falling holes 204 are arranged on a conical surface of the conical distributing part 201 at equal intervals, the sample falling holes 204 are communicated with the conical collecting part, and a sample reservation slide 203 is formed between adjacent sample falling holes; preferably, eight sample falling holes and eight sample reservation slides are arranged on the conical distributing part at intervals and arranged in a uniform circular array with the axis of the conical distributing part as the center.
[0040] The discharging part is provided with a sampling channel and a sample reservation channel, the sample reservation slide is communicated with the sample reservation channel, and the sampling channel is communicated with the discharging outlet of the collecting part of the lowermost conical distributing part. A gap is formed between an outer wall of the conical distributor and an inner wall of the base body, and the sample reservation slide is communicated with the sample reservation channel through the gap.
[0041] Optionally, the discharging part is provided with a discharging channel group, and a distributing block 301 is arranged on the discharging channel group and is opposite to the discharging outlet of the conical collecting part of the lowermost conical distributor; the material falling from the conical collecting part of the lowermost conical distributor enters the discharging channel group through the distributing block;
[0042] The discharging channel group is divided into two sampling channels and two sample reservation channels by two partitions 302, and the sampling channels and the sample reservation channels are arranged at intervals.
[0043] A sampling nozzle 102 communicated with the sampling channel is fixedly arranged on the periphery of the base body.
[0044] The above technical features can realize the collection of sample reservation samples and the collection of sampling samples, the sampling samples can be divided multiple times through the multiple-layer conical distributor, the samples can be mixed in the multiple dividing process, fully mixed, uniformly divided, and the representativeness of the samples is improved.
[0045] The above technical features are used, the material first enters the hopper, under the action of the valve, the material (such as grain) in the hopper enters the first layer of the conical distributor, when passing through the first layer of the conical distributor, half of the material enters the conical material collecting part through the sample falling hole, and the other half of the material enters the gap and then enters the sample retaining channel; the material in the conical material collecting part enters the second layer of the conical distributor from the discharge port and is again distributed, the distribution process is the same as that of the first layer, and the distribution is completed through three layers of the conical distributor; the sample material in the third layer of the conical distributor conical material collecting part is again divided into four equal parts through the distribution block, wherein the sample retaining material is discharged through the bottom of the base body, and the sample material is discharged from the sample nozzle into the external adapter, and sampling is realized.
[0046] In order to improve the distribution stability of the conical distributor, in an embodiment, a grid plate 205 extending to the upper end of the conical distribution part and fixed to the conical surface of the conical distribution part is arranged on both sides of the sample retaining slide. This technical feature can guide the material on the conical surface of the conical distribution part, so that the material can better enter the sample retaining slide or the sample falling hole, and the uniformity of sample distribution is improved.
[0047] In order to concentrate the sample retaining samples after three times of sampling, in an embodiment, a sample retaining material collecting hopper 106 with a large upper part and a small lower part is arranged at the lower part of the base body, the sample retaining material collecting hopper is communicated with the sample retaining channel, and a sample retaining discharge port is arranged at the bottom of the sample retaining material collecting hopper. Through this technical feature, the staff can conveniently collect and process the sample retaining samples.
[0048] In order to facilitate the movement of the sample distributor, in an embodiment, the base body is provided with a bracket 105 with a roller (which can be a universal wheel with a brake); the base body 100 is provided with a handrail 103.
[0049] In order to facilitate the staff to observe the condition of the material in the feeding hopper, in an embodiment, the feeding hopper is provided with a scale, and a valve is arranged at the discharge port of the feeding hopper.
[0050] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A bell-type grain sample divider, comprising a base body, an upper part of the base body is provided with a feeding hopper, and a lower part of the base body is provided with a discharging part, characterized in that: at least one layer of conical divider is arranged in the base body, an upper part of the conical divider is a conical distributing part with a small upper part and a large lower part, wherein the uppermost conical distributing part is opposite to a material outlet of the feeding hopper, and a lower part of the conical divider is a conical collecting part with a large upper part and a small lower part, a bottom of the conical collecting part is a discharging outlet, and the discharging outlet is opposite to a conical distributing part of a lower layer of conical divider or a discharging part of the base body; a plurality of sample falling holes are arranged on a conical surface of the conical distributing part at equal intervals, the sample falling holes are communicated with the conical collecting part, and a sample retaining slide is formed between adjacent sample falling holes; the discharging part is provided with a sampling channel and a sample retaining channel, the sample retaining slide is communicated with the sample retaining channel, and the sampling channel is communicated with the discharging outlet of the collecting part of the lowermost conical distributing part. the discharging part is provided with a discharging channel group, a distributing block is arranged on the discharging channel group, and the distributing block is opposite to the discharging outlet of the conical collecting part of the lowermost conical divider; the material falling from the conical collecting part of the lowermost conical divider enters the discharging channel group through the distributing block; 2. The bell-chime type grain sample divider according to claim 1, characterized in that: the discharging channel group comprises two oppositely arranged sampling channels and two oppositely arranged sample retaining channels, and the sampling channels are arranged at intervals from the sample retaining channels. grating plates extending to an upper end of the conical distributing part and fixed to a conical surface of the conical distributing part are arranged on both sides of the sample retaining slide.
3. The bell-chime type grain sample divider according to claim 1, characterized in that: an outer wall of the conical divider and an inner wall of the base body form a gap, and the sample retaining slide is communicated with the sample retaining channel through the gap.
4. The bell-chime type grain sample divider according to claim 2, characterized in that: a sample retaining collecting hopper with a large upper part and a small lower part is arranged at a lower part of the base body, the sample retaining collecting hopper is communicated with the sample retaining channel, and a sample retaining discharging outlet is arranged at a bottom of the sample retaining collecting hopper.
5. The bell-chime type grain sample divider according to claim 2, characterized in that: a sampling nozzle communicated with the sampling channel is fixedly arranged at a periphery of the base body.
6. The bell-chime type grain sample divider according to claim 2, characterized in that: three layers of the conical divider are arranged in the base body.
7. The bell-chime type grain sample divider according to any one of claims 1-6, characterized in that: eight sample falling holes and eight sample retaining slides are arranged on the conical distributing part.
8. The bell-chime type grain sample divider according to claim 1, characterized in that: the base body is provided with a bracket with a roller, and the base body is provided with a handrail.
9. The bell-stand type grain sample divider according to claim 1, characterized in that: the feeding hopper is provided with a scale.
10. The bell-stand type grain sample divider according to claim 1, characterized in that: