Rice heavy metal detection device

Abstract

The utility model discloses a rice heavy metal detection device, and belongs to the technical field of rice detection. A rice heavy metal detection device comprises a working table plate, a circular plate is fixed to the output end of a servo motor, a plurality of sets of fixing assemblies in transmission fit with first arc-shaped protruding blocks are arranged at the top end of the working table plate, a lower connecting column is fixed to the center of the side face of the bottom end of the working table plate, and a bottom plate is arranged under the working table plate. And the lower connecting column is inserted into the supporting cylinder and is rotationally connected with the supporting cylinder through a bearing. The output end of the servo motor drives the circular plate to rotate by a certain angle, so that the first arc-shaped convex block pushes the fixing assemblies to move, a plurality of test tubes are synchronously clamped and limited through the fixing assemblies and the fixing clamping plates, solvent liquid and reaction liquid can be conveniently added into the test tubes, and the test tubes are convenient to use. The clamping and positioning efficiency of a plurality of test tubes is effectively improved, the operation of holding the test tubes one by one with hands to dropwise add reaction liquid is omitted, and the overall detection efficiency and convenience are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rice detection technical field, concretely relates to a rice heavy metal detection device. BACKGROUND

[0002] Rice is also called rice, it is after the rice through cleaning, hulling, rice and arrangement etc. Processed a kind of common food, because rice contains more than 90% of the nutrient elements needed by human body, therefore rice has become the main food of most people in our country, rice production is mainly realized through planting, and with the development of times, soil pollution and overuse of pesticides have become the biggest problem currently faced by agricultural planting, with the improvement of people's living quality, the quality requirement of rice is also higher and higher, in order to improve the product quality of rice, the heavy metal content in rice needs to be detected to ensure the safety of rice consumption.

[0003] At present, in the process of preliminary detection of heavy metals in rice in the laboratory, the rice is beaten into rice powder to prepare rice samples, the rice samples need to be placed in test tubes, and then solvent liquid and reaction liquid are added into the test tubes, and the heavy metals are detected by the reaction of the reaction liquid and the heavy metal components, when detecting multiple rice samples, it is necessary to repeatedly add reaction liquid into the test tubes one by one, which is unstable and more laborious and cumbersome to operate, and the operation is not convenient, which affects the overall detection efficiency.

[0004] Therefore, a rice heavy metal detection device is needed to solve the problems in the above background art. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a rice heavy metal detection device to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A rice heavy metal detection device, comprising a workbench plate, a servo motor is fixed at the top end side center of the workbench plate, a circular plate is fixed on the output end of the servo motor, a plurality of first arc-shaped protrusions are fixed on the column side of the circular plate, a plurality of fixed clamping plates are fixed on the top end side of the workbench plate, a same fixed assembly is arranged on the top end of the workbench plate and is in transmission cooperation with the first arc-shaped protrusions, the same fixed assembly is provided with a plurality of groups, and the plurality of groups of same fixed assemblies correspond to the plurality of fixed clamping plates, a lower connecting column is fixed at the bottom end side center of the workbench plate, a bottom plate is arranged below the workbench plate, a support cylinder is fixed on the top end side of the bottom plate, and a bearing is fixed in the support cylinder, the lower connecting column is inserted into the support cylinder and is rotationally connected with the support cylinder through the bearing.

[0008] It needs to be explained in the scheme that the same identification assembly includes a convex plate fixed on the top end side of the workbench plate, a sliding rod is slidably penetrated on the convex plate, the end of the sliding rod towards the center of the workbench plate is in top driving cooperation with the first arc-shaped protrusion, and the end of the sliding rod away from the center of the workbench plate is fixed with a moving clamp plate in clamping cooperation with the fixed clamp plate.

[0009] It is further worth mentioning that the end of the sliding rod towards the center of the workbench plate is provided as a circular arc end, and the moving clamp plate and the fixed clamp plate are provided with arc surfaces on opposite sides.

[0010] It needs to be further explained that the side surface of the sliding rod is fixed with a convex rib arranged along the length direction of the sliding rod, and the convex plate is provided with a groove penetratingly formed and slidably matched with the convex rib.

[0011] As a preferred, the arc surfaces on the moving clamp plate and the fixed clamp plate are both fixed with a silica gel pad.

[0012] As a preferred, the inner side wall of the supporting cylinder is fixed with a metal spring plate, the metal spring plate is provided with a plurality of metal spring plates and the plurality of metal spring plates are annularly distributed, and the side surface of the metal spring plate close to the lower connecting column is fixed with a second arc-shaped protrusion in pressure contact with the side surface of the lower connecting column.

[0013] As a preferred, the top end side of the bottom plate is provided with a plurality of screw holes and the plurality of screw holes are annularly distributed.

[0014] Compared with the prior art, the rice heavy metal detection device provided by the utility model has at least the following beneficial effects:

[0015] (1) The output end of the servo motor drives the circular plate to rotate by a certain angle, so that the first arc-shaped protrusion drives the same identification assembly to move, so that a plurality of test tubes are synchronously clamped and limited by a plurality of same identification assemblies and a plurality of fixed clamp plates, the stability of the test tubes is improved, it is convenient to add solvent liquid and reaction liquid in the test tubes, the test tube clamping and positioning efficiency is effectively improved, the operation of adding reaction liquid drop by drop by holding the test tube one by one is saved, manpower is saved, and the overall detection efficiency and convenience are effectively improved.

[0016] (2) The lower connecting column and the supporting cylinder are in rotary cooperation, so that the workbench plate can be rotated and adjusted, the operator only needs to be in a fixed position, and by rotating the workbench plate, solvent and reaction liquid can be added to a plurality of test tubes one by one, the operator is saved from shifting, the operation is convenient, the metal spring plate and the second arc-shaped protrusion are arranged to press the side surface of the lower connecting column, so that the rotation of the workbench plate has a certain damping, the workbench plate has a certain degree of self-positioning, and the stability when adding reactants into the test tubes is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The whole structure schematic diagram of the utility model is shown in the figure.

[0018] Figure 2 The whole structure schematic diagram of the utility model is shown in the figure. Figure 1 The enlarged structure schematic diagram of the middle A is shown in the figure.

[0019] Figure 3 The workbench plate packet structure schematic diagram of the utility model is shown in the figure.

[0020] Figure 4 The whole sectional structure schematic diagram of the utility model is shown in the figure.

[0021] Figure 5 The whole sectional structure schematic diagram of the utility model is shown in the figure. Figure 4 The enlarged structure schematic diagram of the middle B is shown in the figure.

[0022] Figure 6 The same definite subassembly partial structure schematic diagram of the utility model is shown in the figure.

[0023] In the figure:

[0024] 1, same definite subassembly; 101, sliding rod; 102, arc end; 103, convex rib; 104, convex plate; 105, moving clamping plate; 106, cambered surface; 107, silica gel pad; 2, round plate; 3, first arc convex block; 4, fixed clamping plate; 5, workbench plate; 6, bottom plate; 7, screw hole; 8, support cylinder; 9, lower connecting column; 10, bearing; 11, servo motor; 12, metal elastic sheet plate; 13, second arc convex block. Specific implementation

[0025] The utility model is further described below in combination with examples.

[0026] Please refer to Figures 1-6The utility model provides a rice heavy metal detection device, including workbench board 5, the top end side surface center place of workbench board 5 is fixed with servo motor 11, and the output of servo motor 11 is fixed with round plate 2, and the column side of round plate 2 is fixed with a plurality of annular distribution's first arc convex block 3, and the top end side surface of workbench board 5 is fixed with a plurality of annular distribution's fixed clamping plate 4, and the top end of workbench board 5 is provided with with the same fixed assembly 1 of first arc convex block 3 transmission cooperation, and the same fixed assembly 1 is provided with multiple groups and multiple groups same fixed assembly 1 correspond with a plurality of fixed clamping plate 4, and the bottom end side surface center place of workbench board 5 is fixed with lower connecting column 9, and the just below of workbench board 5 is provided with bottom plate 6, and the top end side surface of bottom plate 6 is fixed with support cylinder 8 and is fixed with bearing 10 in support cylinder 8, and lower connecting column 9 is inserted in support cylinder 8 and lower connecting column 9 is connected with support cylinder 8 rotation through bearing 10, when using, pour the multiple rice samples after grinding into a plurality of test tubes respectively, and place a plurality of test tubes between multiple same fixed assembly 1 and fixed clamping plate 4 respectively, start servo motor 11 and work, drive round plate 2 to rotate a certain angle through the output of servo motor 11, to make first arc convex block 3 top same fixed assembly 1 and move, to hold multiple test tubes through multiple same fixed assembly 1 and a plurality of fixed clamping plate 4 and limit simultaneously, improve the stability of test tube, and it is convenient to add solvent liquid and reaction liquid in test tube, dissolve heavy metal component in rice sample through solvent liquid, then drop a certain amount of reaction liquid, wait for a period of time, react through reaction liquid and heavy metal, to complete the preliminary detection of heavy metal component in rice, effectively improve multiple test tube clamping positioning efficiency, save the operation of needing to hold test tube drop reaction liquid one by one, save manpower, effectively improve overall detection efficiency and convenience.

[0027] Further as Figure 1 、 Figure 2 and Figure 4As shown, it is worth specifically explained that the same set of components 1 includes the convex plate 104 fixed on the top end side of the workbench plate 5, the slide rod 101 is slidably penetrated on the convex plate 104, the end of the slide rod 101 towards the center of the workbench plate 5 is in top driving cooperation with the first arc-shaped protrusion 3, and the end of the slide rod 101 away from the center of the workbench plate 5 is fixed with the moving clamp plate 105 in clamping cooperation with the fixed clamp plate 4; the utility model is suitable for single-specification test tubes, and in specific work, the circular plate 2 is deflected by a certain angle through the servo motor 11, so that the first arc-shaped protrusion 3 contacts the end of the slide rod 101 and drives the slide rod 101 through the first arc-shaped protrusion 3, the slide rod 101 drives the moving clamp plate 105 to approach the fixed clamp plate 4, so that the test tube placed between the moving clamp plate 105 and the fixed clamp plate 4 is clamped and positioned through the moving clamp plate 105 and the fixed clamp plate 4, the moving distance of the slide rod 101 driven by the first arc-shaped protrusion 3 is small, so that the moving clamp plate 105 and the fixed clamp plate 4 have a small clamping force on the outer lateral wall of the test tube, avoiding damage to the test tube, so that multiple test tubes are synchronously clamped and positioned, effectively improving the clamping and positioning efficiency of multiple test tubes, saving the operation of holding the test tube to drop the reaction liquid one by one, saving manpower, and effectively improving the overall detection efficiency and convenience.

[0028] Further as shown in Figure 2 It is worth specifically explained that the arc surface 106 on the moving clamp plate 105 and the fixed clamp plate 4 is fixed with the silica gel pad 107; in specific work, the silica gel pad 107 is arranged to enable the moving clamp plate 105 and the fixed clamp plate 4 to flexibly clamp the outer lateral wall of the test tube, improving the protection of the test tube.

[0029] Further as shown in Figure 4 And Figure 5 It is worth specifically explained that the inner lateral wall of the support cylinder 8 is fixed with the metal spring plate 12, the metal spring plate 12 is arranged in multiple and arranged in a ring shape, and the side of the metal spring plate 12 close to the lower connecting column 9 is fixed with the second arc-shaped protrusion 13 in pressure contact with the side of the lower connecting column 9; in specific work, the workbench plate 5 can be rotationally adjusted through the rotational cooperation of the lower connecting column 9 and the support cylinder 8, so that the operator only needs to be in a fixed position and rotate the workbench plate 5 to add the solvent and the reaction liquid to multiple test tubes one by one, saving the movement and transfer of the operator, facilitating the operation, and the metal spring plate 12 and the second arc-shaped protrusion 13 are arranged to press the side of the lower connecting column 9, so that the rotation of the workbench plate 5 has a certain damping, the workbench plate 5 has a certain degree of self-positioning, and the stability when adding the reactant into the test tube is improved.

[0030] The scheme has the following working process: pour multiple ground rice samples into multiple test tubes respectively, and place the multiple test tubes between the multiple sets of moving clamping plates 105 and the fixed clamping plate 4 respectively, start the servo motor 11 to work, drive the circular plate 2 to rotate a certain angle through the output end of the servo motor 11, so that the first arc-shaped protrusion 3 contacts the end of the sliding rod 101 and pushes the sliding rod 101 through the first arc-shaped protrusion 3, the sliding rod 101 drives the moving clamping plate 105 to approach the fixed clamping plate 4, so that the test tubes placed between the moving clamping plate 105 and the fixed clamping plate 4 are clamped and positioned through the moving clamping plate 105 and the fixed clamping plate 4, so that multiple test tubes are clamped and positioned synchronously, through the rotating cooperation of the lower connecting column 9 and the supporting cylinder 8, the workbench plate 5 can be adjusted in rotation, the operator only needs to rotate the workbench plate 5 at a fixed position, and multiple test tubes can be added with solvent and reaction liquid one by one, so that the operator moves and transfers are saved, the heavy metal components in the rice sample are dissolved by the solvent liquid, a certain amount of reaction liquid is added and stirred uniformly, and after a period of time, the reaction liquid reacts with the heavy metal, so that the preliminary detection of the heavy metal components in the rice is completed.

[0031] Further as Figure 2 illustrated, it is worth noting that the end of the sliding rod 101 towards the center of the workbench plate 5 is provided as a circular arc end 102, and the opposite sides of the moving clamping plate 105 and the fixed clamping plate 4 are both provided with arc surfaces 106; during specific work, the arc surfaces 106 are better fitted to the outer sidewall of the test tube, improving the contact surface between the moving clamping plate 105 and the fixed clamping plate 4 and the test tube, and improving the stability of clamping and positioning.

[0032] Further as Figure 2 illustrated, it is worth noting that the side surface of the sliding rod 101 is fixed with a protruding rib 103 arranged along the length direction of the sliding rod 101, and the convex plate 104 is provided with a groove penetratingly formed and slidingly matched with the protruding rib 103; during specific work, the protruding rib 103 and the groove are matched to guide and limit the moving clamping plate 105, avoiding deflection of the moving clamping plate 105.

[0033] Further as Figure 1 and Figure 3 illustrated, it is worth noting that the top end side of the bottom plate 6 is provided with screw holes 7, and the screw holes 7 are arranged in multiple numbers and annularly distributed.

[0034] In summary: through the output end of the servo motor 11 drives the circular plate 2 to rotate a certain angle, so that the first arc-shaped block 3 top moves the same set of components 1 to move, so that through a plurality of sets of components 1 and a plurality of fixed clamping plates 4, a plurality of test tubes are synchronously clamped and limited, the stability of the test tube is improved, the solvent liquid and the reaction liquid are conveniently added to the test tube, the heavy metal components in the rice sample are dissolved by the solvent liquid, a certain amount of reaction liquid is added dropwise, and after a period of time, the reaction liquid reacts with the heavy metal, so that the heavy metal components in the rice are detected, the multiple test tube clamping positioning efficiency is effectively improved, the operation of adding the reaction liquid to the test tube one by one is saved, manpower is saved, and the overall detection efficiency and convenience are effectively improved.

[0035] The servo motor 11 can be purchased in the market, the servo motor 11 is provided with a power supply, which belongs to mature technology in the art and has been fully disclosed, so the description is not repeated.

Claims

1. A rice heavy metal detection device comprising a workbench plate (5), characterized in that, The top end side center of the workbench plate (5) is fixed with a servo motor (11), the output end of the servo motor (11) is fixed with a round plate (2), the column side of the round plate (2) is fixed with a plurality of annularly distributed first arc-shaped protrusions (3), the top end side of the workbench plate (5) is fixed with a plurality of annularly distributed fixed clamping plates (4), the top end of the workbench plate (5) is provided with a same set component (1) drivingly matched with the first arc-shaped protrusions (3), the same set component (1) is provided with a plurality of groups, and the plurality of groups of same set components (1) correspond to the plurality of fixed clamping plates (4), the bottom end side center of the workbench plate (5) is fixed with a lower connecting column (9), the bottom of the workbench plate (5) is provided with a bottom plate (6), the top end side of the bottom plate (6) is fixed with a supporting cylinder (8), and the supporting cylinder (8) is fixed with a bearing (10) inside, and the lower connecting column (9) is inserted into the supporting cylinder (8) and rotationally connected with the supporting cylinder (8) through the bearing (10).

2. The rice heavy metal detection device according to claim 1, characterized in that, The same set component (1) comprises a protruding plate (104) fixed on the top end side of the workbench plate (5), a sliding rod (101) is slidably penetrated on the protruding plate (104), one end of the sliding rod (101) towards the center of the workbench plate (5) is in top driving cooperation with the first arc-shaped protrusion (3), and the other end of the sliding rod (101) away from the center of the workbench plate (5) is fixed with a movable clamping plate (105) clampingly matched with the fixed clamping plate (4).

3. The rice heavy metal detection device according to claim 2, characterized in that, One end of the sliding rod (101) towards the center of the workbench plate (5) is provided as a circular arc end (102), and the movable clamping plate (105) and the fixed clamping plate (4) are provided with arc surfaces (106) on opposite sides.

4. The rice heavy metal detection device according to claim 3, characterized in that, A protruding rib (103) is fixed on the side surface of the sliding rod (101) and arranged along the length direction of the sliding rod (101), and a groove is formed through the protruding plate (104) and slidably matched with the protruding rib (103).

5. The rice heavy metal detection device according to claim 3, characterized in that, The arc surfaces (106) on the movable clamping plate (105) and the fixed clamping plate (4) are both fixed with a silica gel pad (107).

6. The rice heavy metal detection device according to claim 1, characterized in that, A metal spring plate (12) is fixed on the inner side wall of the supporting cylinder (8), the metal spring plate (12) is provided with a plurality of annularly distributed metal spring plates (12), and the side surface of the metal spring plate (12) close to the lower connecting column (9) is fixed with a second arc-shaped protrusion (13) in pressure contact with the side surface of the lower connecting column (9).

7. The rice heavy metal detection device according to claim 6, characterized by A plurality of screw holes (7) are formed in the top end side of the bottom plate (6) and annularly distributed.

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