Electric medium and small grain mixing and sample separating device

Abstract

The utility model belongs to the field of detection equipment, and particularly relates to a grain sample separating device. An electric medium and small grain mixing and sample separating device is characterized in that a feeding hopper, a sample mixing hopper, a sample separating partition plate and a base are sequentially mounted on a sample separator from top to bottom, the feeding hopper is mounted at the top of a wall body of the sample separator, the bottom of the wall body of the sample separator is mounted on the base, and the sample mixing hopper is elastically suspended at the top in the wall body of the sample separator; the mixing hopper is in driving connection with an up-and-down movement driving motor; the upper part of the sample mixing hopper is communicated with the feed hopper, a movable bottom plate is arranged at the bottom of the sample mixing hopper, a sample separating partition plate is arranged in the wall body of the sample separator below the sample mixing hopper, the sample separating partition plate is of a double-layer structure, one layer is a grating plate with a plurality of standard-specification grid holes, the other layer is a movable baffle plate, and the bottom of the sample separating partition plate is communicated with the discharge port. Compared with a traditional tripod type sample splitter, the sample mixing hopper is installed in the elastic suspension mode, under the action of the up-and-down movement driving motor, samples are made to bounce up and down along with the sample mixing hopper, thrown up in the sample mixing hopper and freely fall under the action of gravity, the falling movement of the samples of manual mixing is simulated, the samples do not need to be mixed evenly manually, and the sample splitting efficiency is greatly improved. The sample separation time is shortened, the working efficiency is improved, and the workload is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of detection equipment, especially relate to grain sample separating device. BACKGROUND

[0002] Grain is the main source of nutrition for the survival of Chinese people, and the quality of grain affects people's health. Mixing and taking grain samples as a necessary step before grain inspection is particularly important.

[0003] Now there are mainly horizontal format sample separator, Canadian sample separator and bell-chime type sample separator, and the bell-chime type sample separator is widely used, which is composed of a sample inlet hopper, a switch, a sample mixing hopper, a sample separating grid hole, a triangular stabilizing support, a sample outlet and two receiving hoppers, and is usually made of brass, hard plastic and the like, mainly relying on free falling of grain and artificial multiple mixing to achieve uniform sampling. Since the bell-chime type sample separator relies on free falling of grain and artificial multiple mixing, the physical strength of the operator is required to be higher, and the insufficient mixing times may lead to inaccurate test results, and the multiple mixing and sampling takes a long time and has low work efficiency.

[0004] A seed bell-chime type sample separator of Chinese patent CN207798525U sets a premixing mechanism, so that the seeds can be mixed uniformly in the feeding hopper before the hopper switch is opened, the sampling effect is better, the number of repeated sampling is reduced, and the sampling efficiency is improved. The premixing mechanism includes a second annular sliding groove arranged on the top surface of the sampling hopper, the bottom surface of the feeding hopper is connected with a second annular sliding block matched with the second annular sliding groove, and the feeding hopper is externally sleeved with a second passive gear.

[0005] In addition, the bell-chime type sample separator basically divides the sample by turns, and cannot accurately control the final sampling quality. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the problems of long mixing and sampling time of the bell-chime type sample separator and uneven quality of the sampled test samples, and provides an electric medium and small particle grain mixing and sampling device, which can sample once and obtain test samples close to the expected quality in a short time.

[0007] The technical scheme adopted to solve the above problems is as follows: a kind of electric small and medium-sized grain mixing and uniform sampling device, the sampler is sequentially installed from top to bottom into feed hopper, mixed sample hopper, sample separation plate and base, the feed hopper is installed on the top of the sampler wall body, the sampler wall body bottom is installed on the base, the mixed sample hopper is elastically suspended and installed in the top of the sampler wall body, and the mixed sample hopper is drivingly connected with the up-down movement driving motor; the upper part of the mixed sample hopper is communicated with the feed hopper, the bottom of the mixed sample hopper is installed with a movable bottom plate, the sampler wall body below the mixed sample hopper is installed with a sample separation plate, the sample separation plate is a double-layer structure, one layer is a grid plate with a plurality of standard specification grid holes, and the other layer is a movable baffle, and the bottom of the sample separation plate is communicated with a discharge port.

[0008] The mixed sample hopper is also drivingly connected with a rotation driving motor.

[0009] The movable bottom plate is of an open-close type structure, and is rotatably installed at both ends of the bottom of the mixed sample hopper or is slidingly installed at the bottom of the mixed sample hopper, and is drivingly connected with an open-close control motor.

[0010] The upper layer of the sample separation plate is a grid plate, and the lower layer is a movable baffle, the movable baffle is in corresponding shape with the grid plate, is installed on the bottom surface of the grid plate through a central rotating shaft of the grid plate, is rotatably movable relative to the grid plate, at least one opening and closing plate is formed in the movable baffle, and the opening and closing plate is in corresponding shape with a single grid hole.

[0011] The base is installed with universal wheels at the bottom.

[0012] The base is internally provided with a display screen and operation buttons, and the operation buttons include motor control switches.

[0013] Compared with the traditional clock-dial type sampler, the utility model has the advantages that: the mixed sample hopper is elastically suspended and installed, under the action of the up-down movement driving motor, the sample is thrown up in the mixed sample hopper and freely falls under the action of gravity, the falling movement of the sample is simulated as manual mixing, the sample does not need to be manually mixed multiple times, the sampling time is reduced, the work efficiency is improved, and the workload is reduced.

[0014] The utility model discloses a kind of electric small and medium-sized grain mixing and uniform sample dividing devices, by sample inlet 1, sample inlet switch 2, fixed support 3, elastic connecting pipe 4, sample divider wall 5, sample mixing hopper 6, up-down driving motor 7, rotary direction driving motor 8, movable bottom plate 9, opening and closing control motor 10, sample dividing baffle 11, sample receiving hopper 14 and base 16 etc.

[0015] The utility model discloses mobile structure is convenient for moving sample dividing equipment to required site, can directly move equipment to sample storage place and carry out detection sampling, save time and improve efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model.

[0017] Figure 2 It is the structure schematic diagram of the utility model sample dividing baffle.

[0018] In the drawing: 1 sample inlet, 2 sample inlet switch, 3 fixed support, 4 elastic connecting pipe, 5 sample divider wall, 6 sample mixing hopper, 7 up-down driving motor, 8 rotary direction driving motor, 9 movable bottom plate, 10 opening and closing control motor, 11 sample dividing baffle, 1101 grid plate, 1102 movable baffle, 1103 opening and closing plate, 1104 grid hole, 12 display, 13 control switch, 14 sample receiving hopper, 15 pulley, 16 base. DETAILED DESCRIPTION

[0019] The utility model will be further described below in connection with the drawings and specific embodiment, but the utility model is not limited to specific embodiment, all same idea's scheme is within the scope of the utility model.

[0020] As shown in Figure 1 The utility model discloses a kind of electric small and medium-sized grain mixing and uniform sample dividing devices, by sample inlet 1, sample inlet switch 2, fixed support 3, elastic connecting pipe 4, sample divider wall 5, sample mixing hopper 6, up-down driving motor 7, rotary direction driving motor 8, movable bottom plate 9, opening and closing control motor 10, sample dividing baffle 11, sample receiving hopper 14 and base 16 etc.

[0021] The sample dispenser is installed from top to bottom as follows: feed hopper 1, mixing hopper 6, sample dividing plate 11, and base 16. The sample dispenser wall 5 is fixedly connected to a fixing bracket 3. The feed hopper 1 is mounted on the top fixing bracket 3 of the sample dispenser wall, and the bottom of the sample dispenser wall is fixedly mounted on the base 16. The mixing hopper is elastically suspended and mounted on the top fixing bracket inside the sample dispenser wall. An elastic connecting pipe 4 is installed on the feed inlet of the elastically suspended mixing hopper. One end of the elastic connecting pipe is connected to the feed hopper outlet, and a sample inlet switch is installed at the feed hopper outlet. The sample inlet switch is a pull-out type plate that controls the opening and closing of the feed inlet. The other end of the elastic connecting pipe is fixed to the mixing hopper and... Its inlet is connected, and the flexible connecting pipe can be a steel corrugated pipe; the mixing hopper is driven by a vertical motion drive motor and a rotary drive motor; a movable base plate is installed at the bottom of the mixing hopper, which is an openable structure, with both ends rotatably installed at the bottom of the mixing hopper, or slidably installed at the bottom of the mixing hopper, and is driven by an opening and closing control motor; a dividing plate is installed in the wall of the sample dispenser below the mixing hopper, which is a double-layer structure, with one layer being a grid plate with several standard-sized holes and the other layer being a movable baffle, and the bottom of the dividing plate is connected to the discharge port; the base has a built-in display screen and operation buttons, including a motor control switch.

[0022] Sample partitions, such as Figure 2 As shown, the upper layer is a grid plate 1101, and the lower layer is a movable baffle 1102. The grid plate has 40 fan-shaped holes 1104 radially, each hole accommodating 50g of sample. The grid plate has a mounting hole in the center, with an umbrella-shaped top to facilitate sample entry into each hole and prevent accumulation in the center. The movable baffle is circular in shape, corresponding to the grid plate, and is mounted on the bottom surface of the grid plate via the mounting hole in the center of the grid plate and a rotating shaft. The movable baffle can rotate relative to the grid plate. The movable baffle has at least one opening / closing plate 1103, the shape of which corresponds to the shape of a single hole. If two adjacent opening / closing plates are used, they can be opened and closed by a telescopic support rod installed at the bottom, forming a folding structure; or the curved edge can be connected to a pull-out rod, and the straight edge can be movably connected to the guide groove of the movable baffle, forming a pull-out structure.

[0023] For easy movement, the base is equipped with casters.

[0024] The mixed sample is allowed to fall freely into the lower sample dividing plate 15. The 40 dividing grids can evenly divide the 2Kg sample into 40 portions. The number of portions can be selected according to the sample type, with 1 portion being 50g and 2 portions being 100g.

[0025] When mixing and sampling the small and medium-sized grains, the sample is poured into the feeding hopper, the feeding switch is opened, the sample is first poured into the mixing hopper from the feeding hopper, then the control switch 13 is opened to start the up-down driving motor and the rotation driving motor, under the action of the auxiliary elastic connecting pipe, the mixing hopper moves up and down, the sample is mixed in the mixing hopper by simulating manual pouring, the rotation driving motor rotates left for 1 min and right for 1 min to achieve the purpose of more fully mixing the sample.

[0026] After the mixing is completed within the preset time, the movable bottom plate is driven and opened by the opening and closing control motor, the bottom outlet of the mixing hopper is opened, the uniformly mixed sample freely falls into the sampling partition plate, the sampling partition plate is 40 uniformly distributed sampling grid holes, then the motor controls the opening and closing plate to be opened, and single-grid sampling of about 50g or double-grid sampling of about 100g is realized. After the test sample is collected, the movable baffle is rotated for one week, so that the remaining sample freely falls into the sample receiving hopper and is collected and reserved.

Claims

1. A kind of electric small grain mixing uniform sample divider, sample divider is installed from top to bottom in turn feed hopper, mixed sample hopper, sample divider baffle and base, the feed hopper is installed in the wall body top of sample divider, the wall body bottom of sample divider is installed on the base, it is characterized in that, The mixing hopper is elastically suspended on the top of the wall of the sample divider, and is drivenly connected with an up-down movement driving motor; the upper part of the mixing hopper is communicated with the feeding hopper, the bottom of the mixing hopper is provided with a movable bottom plate, the lower part of the mixing hopper is provided with a sample dividing baffle in the wall of the sample divider, the sample dividing baffle has a double-layer structure, one layer is a grid plate with a plurality of standard size grid holes, and the other layer is a movable baffle plate, and the bottom of the sample dividing baffle is communicated with a discharging port.

2. The electrically powered grain mixing and sampling device of claim 1, wherein, The mixing hopper is also drivenly connected with a rotation driving motor.

3. The electrically powered grain mixing and sampling device of claim 1 or 2, wherein, The movable bottom plate has an open-close structure, is rotatably installed at the bottom of the mixing hopper, or is slidably installed at the bottom of the mixing hopper, and is drivenly connected with an open-close control motor.

4. The electrically operated grain mixing and sampling device according to claim 1 or 2, characterized in that, The upper layer of the sample dividing baffle is the grid plate, and the lower layer is the movable baffle plate, the movable baffle plate is in a shape corresponding to the grid plate, is installed on the bottom surface of the grid plate through a central rotating shaft of the grid plate, is rotatably movable relative to the grid plate, at least one open-close plate is formed on the movable baffle plate, the open-close plate is in a shape corresponding to the shape of a single grid hole, and the open-close plate has a pull-out structure or a folding structure.

5. The electrically operated grain mixing and sampling device according to claim 1 or 2, wherein, Universal wheels are installed at the bottom of the base.

6. The electrically powered grain mixing and sampling device of claim 1 or 2, wherein, The base is provided with a display screen and operation buttons, and the operation buttons include motor control switches.

7. The electrically powered grain mixing and sampling device of claim 1 or 2, wherein, The grid plate is provided with 40 radial fan-shaped grid holes, and each grid hole contains 50g of samples.

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