Device for detecting organic selenium in food

Abstract

The utility model discloses a device for detecting organic selenium in food, which comprises a device seat, a test tube centrifuge is mounted in the device seat, a test tube rack and a crushing rack are mounted at the top of the device seat, and a crushing box is horizontally and movably mounted on the inner side of the crushing rack through a moving component. By designing the squeezing assembly, the crushing box is moved to be located below the gland during crushing, the electric push rod is started to enable the lifting plate to drive the gland and the squeezing plate to descend at the moment, the electric crushing cutter enters the crushing box, a sample is put into the crushing box through the feeding pipe at the moment, and the electric crushing cutter is started for crushing; after crushing is completed, the lifting plate moves upwards, the crushing box moves to the position below the squeezing plate again, the electric push rod is started to enable the squeezing plate to move downwards to enter the crushing box to squeeze all the juice out and collect the juice, manual and strenuous squeezing is not needed, operation is continuously carried out, and the operation efficiency is improved. And the safety and efficiency of crushing and squeezing are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to food detection technical field, concretely is a kind of organic selenium detection device in food. BACKGROUND

[0002] Selenium element in the form of existence in food mainly includes inorganic selenium and organic selenium, inorganic selenium mainly exists in the form of selenate and selenite, and organic selenium is combined with the organic matter such as protein, polysaccharide in food, forms complex organic compound, in the detection process, the total selenium content and inorganic selenium content in food sample are usually measured respectively, then the content of organic selenium is calculated by difference method, and the existing detection method is to carry out separate crushing treatment to food, after crushing, re-pressing is carried out, time-consuming and labor-consuming, juice is placed into the inside of detection instrument again, organic reagent extractant is extracted, at the same time, vortex shaker is used to mix thoroughly, organic selenium is separated by centrifuge, the inside of instrument is provided with vortex shaker, small centrifuge and automatic bottle mouth analyzer for loading organic reagent extractant, and finally organic selenium is obtained.

[0003] After the applicant searches, it is found that in the existing organic selenium detection device, crushing and pressing are mostly integrated design, that is, after crushing, manual extrusion is carried out for pressing, for example, patent No.CN212932114U discloses a rapid sampling equipment for measuring organic selenium content in agricultural products and food, the sleeve ring is moved downward by pressing the pressure rod downward, at this time, the spring is compressed, the pressing plate is convenient for pressing the food after stirring, the pressure rod is released, and the spring is restored, which is this integrated design, so the operation is more laborious, it is difficult to completely squeeze clean, and the pressure rod is movably installed, since there is vibration during crushing, once the pressing plate contacts the blade close to it, the device is damaged, there is safety hazard, and after pressing, liquid needs to be manually collected, the overall efficiency is not high, the process is more, and it cannot meet the use requirement.

[0004] Therefore, in view of the above problems, the applicant proposes a kind of organic selenium detection device in food to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of organic selenium detection device in food to solve the problems raised in the above background.

[0006] In order to achieve the above object, the utility model provides following technical scheme: a food organic selenium detection device, including device seat, the inside installation test tube centrifuge of device seat, and device seat top installation test tube rack and broken frame, the inside of broken frame is moved and is installed with broken box through movable assembly, the inner wall of broken box is installed with multi -hole baffle, install broken crushing assembly on broken frame, the crushing assembly includes two electric push rods installed in the top of broken frame, the bottom of electric push rod is butted to lifting plate, the bottom of lifting plate is butted to gland and press plate through vertical rod respectively, the bottom of gland is installed with electric smashing knife, the gland can cover the top of broken box, the outer diameter of press plate is equal to the inner diameter of broken box,

[0007] The height of the gland is higher than that of the press plate.

[0008] Preferably, the electric smashing knife is rotatably connected to the bottom of the gland, the rotating shaft is connected to the small motor installed on the top of the gland, and the bottom of the rotating shaft is fixed with a spline head, the spline head is inserted into the spline sleeve to form engagement, and the spline sleeve is rotatably connected to the center of the multi-hole baffle.

[0009] Preferably, the movable assembly includes an electric screw rod installed on the inner wall of the broken frame and a fixed sliding rod, the electric screw rod is connected to the block by screw threads, and the sliding rod passes through another block to form sliding connection, and the two blocks are fixed on both sides of the broken box.

[0010] Preferably, the outer wall of the broken box is fixed with a ring plate, two matching plates are symmetrically fixed on the side wall of the ring plate, the matching plates are matched with the top surface of the block, and a screw rod passes through the top of the block, a threaded sleeve is connected to the screw rod by screw threads, and the threaded sleeve is pressed with the top surface of the matching plate.

[0011] Preferably, the bottom end of the broken box is designed as an opening, a cylinder is connected to the lower end of the outer wall by sliding, the inner bottom surface of the cylinder is matched with the bottom surface of the broken box, a liquid outlet pipe is installed on the inner bottom end of one side of the cylinder, two guide rods are fixed on the top of the cylinder, the guide rods slide through the ring plate, and springs are connected to the ring plate on the top of the guide rods.

[0012] Preferably, a guide support assembly is installed on the inner wall of the broken frame, two support plates A and B are respectively fixed on both sides of the inner wall of the broken frame, the support plates A and B are butted, the top of the butted surface of the support plates A and B is designed as an inclination, pulleys are installed on both sides of the cylinder, and the pulleys roll on the surfaces of the support plates A and B.

[0013] Preferably, a cover plate is fixed between the support plates B, a collection cylinder is placed in the round hole of the cover plate, a filter screen is arranged on the top surface of the collection cylinder, a liquid outlet valve pipe is arranged at the bottom of the collection cylinder, and the bottom of the collection cylinder does not contact the top surface of the device seat.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a squeezing assembly, when breaking, removes the broken box to make it below the gland, at this moment, the electric push rod is started to make the lifting plate drive the gland and the squeezing plate to drop, the electric smashing knife enters the inside of broken box, at this moment, the sample is placed into the broken box through the feed pipe, and the electric smashing knife is started to smash, and the juice seeps out through the filter hole of the porous baffle, after the breaking is completed, the lifting plate moves up, and the broken box moves to the below of the squeezing plate again, and the electric push rod is started to make the squeezing plate move down into the inside of broken box and squeeze all the juice to collect, so as to need not to squeeze manually with great effort, and the operation is continuously carried out, and the safety and efficiency of the breaking and squeezing are effectively improved.

[0016] 2. The utility model discloses after squeezing is completed, the round hole of the batten is placed with the collection cylinder, the broken box moves to the above of the support plate B, and the pulley is rolled to the surface of support plate B through the inclined plane from support plate A, and the position drops, so that the cylinder moves down a little, and the outlet of the liquid outlet pipe also opens, at this moment, the juice can flow out through the liquid outlet pipe, and the juice that flows out can be collected by the collection cylinder, so that automatic material guiding is realized, and manual collection is not needed, very convenient, so that the broken and squeezed material guiding can be completed in one step, and the working efficiency is improved. DRAWINGS

[0017] Figure 1 It is the whole three-dimensional structure schematic of the utility model Figure 1 ;

[0018] Figure 2 It is the whole front view structure schematic of the utility model;

[0019] Figure 3 It is the three-dimensional structure schematic of the utility model's moving assembly;

[0020] Figure 4 It is the utility model's guide support subassembly explosion map;

[0021] Figure 5 It is the broken box three-dimensional section view structure schematic of the utility model Figure 1 ;

[0022] Figure 6 It is the broken box three-dimensional section view structure schematic of the utility model Figure 2 ;

[0023] Figure 7 It is the broken box front section view structure schematic of the utility model.

[0024] In the diagram: 1. Apparatus base; 11. Test tube centrifuge; 12. Test tube rack; 13. Crushing rack; 2. Pressing assembly; 21. Electric actuator; 22. Lifting plate; 23. Pressure cap; 24. Pressing plate; 3. Moving assembly; 31. Electric lead screw; 32. Slide rod; 33. Block; 4. Crushing box; 41. Perforated partition; 42. Ring plate; 421. Adhesive plate; 43. Cylinder; 44. Liquid outlet pipe; 45. Guide rod; 46. Spring; 47. Pulley; 48. Spline sleeve; 5. Guide support assembly; 51. Support plate A; 52. Support plate B; 53. Step plate; 54. Collection cylinder. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] like Figures 1-7 As shown, a device for detecting organic selenium in food includes a device base 1, a test tube centrifuge 11 installed inside the device base 1, and a test tube rack 12 and a crushing rack 13 installed on the top of the device base 1. The crushing rack 13 is characterized by a crushing box 4 horizontally mounted on its inner side via a moving component 3. A perforated partition 41 is installed on the inner wall of the crushing box 4. A crushing and pressing component 2 is installed on the crushing rack 13. The pressing component 2 includes two electric push rods 21 installed on the top of the crushing rack 13. The bottom of the electric push rods 21 is connected to a lifting plate 22. The bottom of the lifting plate 22 is connected to a pressure cap 23 and a pressing plate 24 via vertical rods. An electric pulverizing blade 25 is installed at the bottom of the pressure cap 23. The pressure cap 23 can cover the top of the crushing box 4. The outer diameter of the pressing plate 24 is equal to the inner diameter of the crushing box 4, and the height of the pressure cap 23 is higher than that of the pressing plate 24.

[0027] The above, by designing the squeezing assembly 2, the device in use, through the moving assembly 3 moves the crushing box 4 to be located below the gland 23, at this time, the electric push rod 21 is started to make the lifting plate 22 drive the gland 23 and the squeezing plate 24 to descend, the gland 23 is covered on the top of the crushing box 4, and the electric pulverizing knife 25 enters the inside of the crushing box 4, the top of the gland 23 is installed into the feeding pipe, at this time, the sample is placed into the crushing box 4 through the feeding pipe, the electric pulverizing knife 25 is started to be crushed, the juice is filtered out through the filter hole of the porous partition plate 41 and falls to the lower end of the crushing box 4 to be collected, after the crushing is completed, the lifting plate 22 is moved up, the crushing box 4 is moved to the lower side of the squeezing plate 24 again, the electric push rod 21 is started to make the squeezing plate 24 move down into the inside of the crushing box 4 and slide against the inner wall, the crushing residue is squeezed to squeeze out all the juice to be collected, then the squeezing plate 24 is reset, and the squeezing plate 24 can be designed as an elastic rubber ring, so that the crushing and squeezing can be operated separately, without manual squeezing, and the operation is continuous, which effectively improves the safety and efficiency of crushing and squeezing.

[0028] The electric pulverizing knife 25 is rotatably connected with the bottom of the gland 23, the rotating shaft is connected with the small motor installed on the top of the gland 23, and the bottom of the rotating shaft is fixed with a spline head 26, the spline head 26 can be inserted into the spline sleeve 48 to form engagement, and the spline sleeve 48 is rotatably connected at the center position of the porous partition plate 41.

[0029] Further, after the electric pulverizing knife 25 enters the inside, the spline head 26 at the bottom of the rotating shaft is inserted into the spline sleeve 48, so that the stability of the electric pulverizing knife 25 is better when rotating, which is very practical, and the outer wall of the spline head 26 is designed with four or two protrusions, which can avoid errors when aligning.

[0030] The moving assembly 3 comprises an electric screw rod 31 installed on the inner wall of the crushing frame 13 and a fixed sliding rod 32, the electric screw rod 31 is threadedly connected with a block 33, and the sliding rod 32 passes through another block 33 to form a sliding connection, and the two blocks 33 are fixed on both sides of the crushing box 4.

[0031] Through the design of the moving assembly, when the crushing box 4 needs to be moved, the electric screw rod 31 is rotatably connected with the crushing frame and is connected with the motor installed on one side of the crushing frame 13, so that the electric screw rod 31 only needs to be started to drive the electric screw rod 31 to rotate when moving, and since the other block 33 is limited by the sliding rod 32, the crushing box 4 can be stably moved, which is very convenient, does not need to be manually moved, has higher moving precision, and has very good stability.

[0032] The outer wall of the crushing box 4 is fixed with a ring plate 42, the side wall of the ring plate 42 is symmetrically fixed with two abutting plates 421, the abutting plates 421 are abutted with the top surface of the block 33, and the abutting plates 421 pass through a screw rod on the top of the block 33, a threaded sleeve is threadedly connected on the screw rod, and the threaded sleeve is pressed with the top surface of the abutting plate 421.

[0033] Furthermore, the installation method of using the bonding plate 421 with the screw and threaded sleeve makes the crushing box 4 very stable after installation and easy to disassemble. It is very convenient to remove the crushing box 4 for cleaning after the work is completed.

[0034] The crushing box 4 has an open bottom, and a cylinder 43 is slidably fitted onto the lower end of its outer wall. The bottom surface of the cylinder 43 is in contact with the bottom surface of the crushing box 4, and a liquid outlet pipe 44 is installed on one side of the cylinder 43 against its inner bottom. Two guide rods 45 are fixed to the top of the cylinder 43, and the guide rods 45 slide through the ring plate 42. A spring 46 is connected to the top of the guide rods 45 and the ring plate 42. A guide support assembly 5 is installed on the inner wall of the crushing frame 13, including two guide rods 45 fixed to the inner walls of the crushing frame 13 on both sides. Support plates A51 and B52 are connected together, and the top of the connecting surface of support plate A51 and support plate B52 is designed to be inclined. Pulleys 47 are installed on both sides of cylinder 43 and roll on the surface of support plate A51 and support plate B52. A mounting plate 53 is fixed between support plates B52. A collection cylinder 54 is placed in the round hole of mounting plate 53. The top surface of collection cylinder 54 has a filter screen and the bottom has a liquid outlet valve pipe. The bottom of collection cylinder 54 does not contact the top surface of device base 1.

[0035] Through the above structural design, during crushing and pressing, the pulley 47 rolls on the surface of the support plate A51. At this time, the juice is sealed by the cylinder 43 and will not leak out, and the outlet of the liquid outlet pipe 44 is attached to the outer wall of the crushing box 4. At the same time, the spring 46 is in a stretched state. After pressing, the collecting cylinder 54 is placed in the round hole of the plate 53, the crushing box 4 is moved above the support plate B52, and the pulley 47 rolls from the support plate A51 to the surface of the support plate B52 through the inclined plane and its position drops. When the spring 46 returns to its original position... Using the two guide rods 45, the cylinder 43 is moved down a short distance, and the outlet of the liquid outlet pipe 44 will also open. At this time, the juice can flow out through the liquid outlet pipe 44. At the same time, the liquid outlet pipe 44 is located at the upper end of the installed collection cylinder 54, and the flowing juice can be collected by the collection cylinder 54. The filter screen can filter out a small amount of residue. The liquid outlet valve pipe can be opened to pour the juice into each test tube in sequence. This realizes automatic material feeding, eliminating the need for manual collection, which is very convenient and improves work efficiency. After that, the crushing box 4 can be reset.

[0036] Working principle: when working, the crushing box 4 is moved by the moving assembly 3 to be located below the gland 23, at this time, the crushing and squeezing are carried out in turn by the crushing and squeezing assembly 2, all the juice is squeezed out and collected, after the squeezing is completed, the round hole of the clamping plate 53 is clamped with the collecting cylinder 54, the crushing box 4 is moved to the upper side of the supporting plate B52, the pulley 47 is rolled from the supporting plate A51 to the surface of the supporting plate B52 through the inclined surface, and the position is lowered, under the action of the spring 46, the two guide rods 45 drive the cylinder 43 to move downwards by a small section, the outlet of the liquid outlet pipe 44 is also opened, at this time, the juice can flow out through the liquid outlet pipe 44, at the same time, the liquid outlet pipe 44 is just located at the upper end of the installed collecting cylinder 54, the flowed-out juice can be collected by the collecting cylinder 54, then the collecting cylinder 54 is taken out to guide the juice into each test tube arranged on the test tube rack 12, and then the test tube is arranged in the test tube centrifuge 11 to separate and extract, so that the organic selenium detection work can be completed.

[0037] This is the working principle of the organic selenium detection device in the food, and it is noted that the test tube centrifuge 11 is a prior art means, and the principle is not described here.

[0038] The embodiments of the utility model are given for example and description, and are not exhaustive or limit the utility model to the disclosed forms. Many modifications and changes are obvious to those skilled in the art. The embodiments are selected and described in order to better illustrate the principles and practical application of the utility model, and enable those skilled in the art to understand the utility model so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A device for detecting organic selenium in food, comprising a device base (1), a test tube centrifuge (11) is installed inside the device base (1), and a test tube rack (12) and a crushing rack (13) are installed on the top of the device base (1), characterized in that, The crushing frame (13) is horizontally moved by the moving assembly (3) and is provided with a crushing box (4) inside, the inner wall of the crushing box (4) is provided with a porous partition (41), and the crushing frame (13) is provided with a crushing and squeezing assembly (2); The squeezing assembly (2) comprises two electric push rods (21) installed on the top of the crushing frame (13), the bottom of the electric push rod (21) is connected with a lifting plate (22), the bottom of the lifting plate (22) is connected with a pressing cover (23) and a squeezing plate (24) through a vertical rod, the bottom of the pressing cover (23) is provided with an electric crushing knife (25), the pressing cover (23) can cover the top of the crushing box (4), and the outer diameter of the squeezing plate (24) is equal to the inner diameter of the crushing box (4). The height of the pressing cover (23) is higher than that of the squeezing plate (24).

2. The device for detecting organic selenium in food according to claim 1, characterized in that, The electric crushing knife (25) is rotatably connected with the bottom of the pressing cover (23), the rotating shaft is connected with a small motor installed on the top of the pressing cover (23), and the bottom of the rotating shaft is fixed with a spline head (26), the spline head (26) is inserted into the spline sleeve (48) to form engagement, and the spline sleeve (48) is rotatably connected with the center of the porous partition (41).

3. The device for detecting organic selenium in food according to claim 1, wherein, The moving assembly (3) comprises an electric screw rod (31) and a fixed sliding rod (32) installed on the inner wall of the crushing frame (13), the electric screw rod (31) is threadedly connected with a block (33), the sliding rod (32) passes through another block (33) to form a sliding connection, and the two blocks (33) are fixed on the two sides of the crushing box (4).

4. The device for detecting organic selenium in food according to claim 3, characterized in that, The outer wall of the crushing box (4) is fixedly provided with a ring plate (42), the side wall of the ring plate (42) is symmetrically provided with two abutting plates (421), the abutting plates (421) are abutted with the top surface of the block (33), the abutting plates (421) pass through a screw rod on the top of the block (33), a threaded sleeve is threadedly connected with the screw rod, and the threaded sleeve is pressed with the top surface of the abutting plate (421).

5. The device for detecting organic selenium in food according to claim 4, characterized in that, The bottom end of the crushing box (4) is designed as an opening, the outer wall of the bottom end is abutted with a sliding sleeve, and a cylinder (43) is sleeved on the outer wall of the bottom end, the inner bottom surface of the cylinder (43) is abutted with the bottom surface of the crushing box (4), a liquid outlet pipe (44) is installed on one side of the inner bottom end of the cylinder (43), two guide rods (45) are fixed on the top of the cylinder (43), the guide rods (45) slide through the ring plate (42), and springs (46) are connected between the top of the guide rods (45) and the ring plate (42).

6. The device for detecting organic selenium in food according to claim 5, wherein, The inner wall of the crushing frame (13) is provided with a guide support assembly (5), which comprises two support plates A (51) and B (52) fixed on the inner wall of the crushing frame (13) respectively, the support plates A (51) and B (52) are connected, the top of the connecting surface of the support plates A (51) and B (52) is designed as an inclination, pulleys (47) are installed on the two sides of the cylinder (43), and the pulleys (47) roll on the surfaces of the support plates A (51) and B (52).

7. The device for detecting organic selenium in food according to claim 6, characterized in that, The support plates B (52) are fixedly provided with a clamping plate (53), the clamping plate (53) is provided with a collecting cylinder (54) clamped in the circular hole, the collecting cylinder (54) is provided with a filter screen on the top surface and a liquid outlet valve pipe at the bottom, and the bottom of the collecting cylinder (54) is not in contact with the top surface of the device base (1).

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