Detection device for bread preservative

Abstract

The invention discloses a bread preservative detection device which comprises a supporting table, and the upper end of the supporting table is fixedly connected with a vertical plate; a sealing ring is fixedly connected to the lower end of the lifting plate, a placement groove is formed in the upper end of the lifting plate, and a measuring cylinder is placed in the placement groove; the auxiliary mechanism is used for improving the leaching rate of the preservative, the leaching mechanism comprises a rotating pipe penetrating through the mounting plate, the lower end of the rotating pipe is sealed, the outer side of the rotating pipe is fixedly connected with a plurality of stirring rods, the outer side of the lower end part of the rotating pipe communicates with a plurality of stirring pipes, and the stirring rods are fixedly connected with the stirring pipes. And the plurality of stirring pipes are communicated with the rotating pipe. In the using process of the device, the integrated operation of leaching and sampling of the preservative in the bread can be achieved, actual use is facilitated, and after the device is used every time, the sampling pipeline part can be cleaned, so that subsequent use is facilitated.

Description

Technical Field

[0001] This invention relates to the field of food safety testing, and in particular to a testing device for bread preservatives. Background Technology

[0002] Preservatives, also known as antimicrobial agents or freshness preservers, are chemical substances that can inhibit the growth and reproduction of microorganisms. They are commonly used in food, medicine, cosmetics, or biological specimens to slow down the spoilage of the corresponding products. In the field of bread production and quality control, accurate detection of the content of preservatives in bread is crucial, as it directly relates to the quality and safety of bread and the health of consumers. Traditional methods for detecting bread preservatives have many inconveniences. On the one hand, during the testing process, the leaching and sampling of preservatives are often carried out in steps, which not only increases the complexity of the operation process and leads to low testing efficiency, but also the multi-step operation is prone to introducing errors, affecting the accuracy of the test results. On the other hand, the sampling pipe, as the part of the testing device that comes into direct contact with the bread sample, will have residual preservative liquid inside after each test, which needs to be cleaned. In the existing methods, cleaning is quite troublesome and it is difficult to complete a thorough cleaning. This can easily lead to the growth of bacteria from the residue, contaminating subsequent test samples and interfering with the results of subsequent tests. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing a detection device for bread preservatives. During use, this device can achieve integrated operation of preservative leaching and sampling in bread, which is convenient for practical use. After each use, the sampling pipe can be cleaned for easy subsequent use.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A detection device for bread preservatives includes a support platform with a vertical plate fixedly connected to its upper end; a lifting plate with a sealing ring fixedly connected to its lower end and a placement groove for holding a measuring cylinder at its upper end; an auxiliary mechanism for improving the leaching rate of the preservative, the leaching mechanism including a rotating tube penetrating the mounting plate, the lower end of the rotating tube being sealed, multiple stirring rods fixedly connected to the outside of the rotating tube, multiple stirring tubes connected to the lower part of the rotating tube, the multiple stirring tubes being connected to the rotating tube, the ends of the multiple stirring tubes away from the rotating tube being sealed, and multiple air holes being opened at the top of each stirring tube; an air pump mounted on the upper end of the mounting plate, the air outlet of the air pump being connected to a connecting pipe, the other end of the connecting pipe being connected to the upper end of the rotating tube via a rotary joint; a lifting mechanism for lifting the lifting plate; and a sampling mechanism for removing the liquid from the upper side of the soaking solution.

[0005] Preferably, the upper end of the support platform is provided with a detection groove, the bottom of the detection groove is provided with multiple through holes, and the lower end of the support platform is fixedly connected with multiple support frames.

[0006] Preferably, the lifting mechanism includes a slide groove formed on the front side of the vertical plate, a threaded rod rotatably connected between the upper and lower inner walls of the slide groove, a slider threadedly connected to the threaded rod, the slider being slidably connected to the inner wall of the slide groove, the front side of the slider penetrating the slide groove and being fixedly connected to the rear side of the lifting plate.

[0007] Preferably, a first mounting bracket is fixedly connected to the upper end of the vertical plate, and a first motor is mounted on the first mounting bracket. The output shaft of the first motor extends into the slide groove and is fixedly connected to the upper end of the threaded rod. The first motor is a servo motor that can change the direction of rotation.

[0008] Preferably, the sampling mechanism includes an inverted U-shaped drain pipe that penetrates the mounting plate, with one end of the drain pipe located 2 cm below the mounting plate and the other end located 3 cm above the detection tank. A second solenoid valve is installed inside the drain pipe.

[0009] Preferably, a vent is vertically provided through the mounting plate, and a first solenoid valve is installed inside the vent.

[0010] Preferably, a second mounting bracket is mounted on the upper end of the mounting plate, and a second motor is mounted on the second mounting bracket. The output shaft of the second motor is connected to the rotating tube through a transmission component.

[0011] Preferably, the transmission component includes two synchronous pulleys, which are connected by a synchronous belt drive, and the two synchronous pulleys are respectively mounted on the rotating tube and the output shaft of the second motor.

[0012] Compared with the prior art, the beneficial effects of this invention are as follows: This device integrates the extraction of preservatives from bread and the sampling process into a single workflow, avoiding the cumbersome and error-prone steps of traditional methods. Operators no longer need to transfer samples between different devices, saving time and effort and significantly improving testing efficiency. 2. The second motor drives the rotating tube, stirring rod, and stirring tube to rotate. Combined with the air pump supplying air, this creates bubbles that rise and burst, generating shear force and greatly promoting water flow. This dual action enhances the stirring effect on the bread, effectively increasing the leaching rate and amount of preservatives, thus ensuring the accuracy of the test results. 3. By utilizing an air pump in a specific solenoid valve switching state, the liquid on the top layer of the soaking solution can be precisely pressed out to the test strip, achieving accurate sampling. Operators can complete the sampling without additional complex operations, reducing sampling difficulty, improving sampling convenience and success rate, and ensuring the smooth progress of testing. 4. After each use, the air pump continues to run, creating a continuous airflow inside the drain pipe. This not only removes residual liquid but also dries the inside of the drain pipe, achieving pipe cleaning. This design avoids interference from residues in the pipe on subsequent tests, ensuring the reliability of test results and facilitating subsequent use of the device. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a detection device for bread preservatives proposed in this invention; Figure 2 for Figure 1 Enlarged schematic diagram of the mounting plate; Figure 3 for Figure 2 Enlarged view of point A; Figure 4 for Figure 2 A schematic diagram of the structure viewed from below; Figure 5 for Figure 2 A diagram from the left side.

[0014] In the diagram: 1 Support platform, 2 Support frame, 3 Detection groove, 4 Through port, 5 Vertical plate, 6 First mounting frame, 7 First motor, 8 Slide groove, 9 Slider, 10 Threaded rod, 11 Lifting plate, 12 Placement groove, 13 Measuring cylinder, 14 Mounting plate, 15 Second mounting frame, 16 Second motor, 17 Synchronous pulley, 18 Synchronous belt, 19 Drain pipe, 20 Connecting pipe, 21 Rotary joint, 22 Vent port, 23 First solenoid valve, 24 Air pump, 25 Second solenoid valve, 26 Rotary pipe, 27 Stirring rod, 28 Stirring pipe, 29 Air hole, 30 Sealing ring. Detailed Implementation

[0015] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0016] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0017] Reference Figures 1-5 A detection device for bread preservatives includes a support platform 1, with a vertical plate 5 fixedly connected to the upper end of the support platform 1. The system also includes a lifting plate 11, with a sealing ring 30 fixedly connected to the lower end of the lifting plate 11. The upper end of the lifting plate 11 has a placement groove 12, in which a measuring cylinder 13 is placed. During testing, an appropriate amount of distilled water is placed in the measuring cylinder 13, and an appropriate weight of the middle part of the bread is taken and placed into the measuring cylinder 13. Through the subsequent lifting mechanism, the upper end of the measuring cylinder 13 contacts the sealing ring 30. At this position, one end of the drain pipe 19 is located in the water. Furthermore, a filter screen is provided at this end for filtering bread crumbs. The system also includes an auxiliary mechanism to improve the leaching rate of the preservative. The leaching mechanism includes a rotating tube 26 that penetrates the mounting plate 14. The lower end of the rotating tube 26 is sealed. Multiple stirring rods 27 are fixedly connected to the outside of the rotating tube 26. Multiple stirring tubes 28 are connected to the outside of the lower part of the rotating tube 26. All stirring tubes 28 are connected to the rotating tube 26. The ends of the multiple stirring tubes 28 away from the rotating tube 26 are sealed. Multiple air holes 29 are opened on the inner top of each stirring tube 28. An air pump 24 is installed at the upper end of the mounting plate 14. The air outlet of the air pump 24 is connected to a connecting pipe 20. The other end of the connecting pipe 20 is connected to the upper end of the rotating tube 26 through a rotary joint 21. When the first solenoid valve 23 is open and the second solenoid valve 25 is closed, the air pump 24 is started and can supply air into the water. The air bubbles rise and promote the flow of the water. At the same time, the shear force generated by the bursting of the bubbles further makes the water flow, so that the leaching effect of the preservative in the bread is better. The upper end of the support platform 1 is provided with a detection groove 3, and the bottom of the detection groove 3 is provided with multiple openings 4. Multiple support frames 2 are fixedly connected to the lower end of the support platform 1. During the detection, test strips can be placed on the detection groove 3. The system also includes a lifting mechanism for lifting the lifting plate 11. The lifting mechanism includes a slide 8 on the front side of the vertical plate 5. A threaded rod 10 is rotatably connected between the upper and lower inner walls of the slide 8. A slider 9 is threadedly connected to the threaded rod 10. The slider 9 is slidably connected to the inner wall of the slide 8. The front side of the slider 9 passes through the slide 8 and is fixedly connected to the rear side of the lifting plate 11. A first mounting bracket 6 is fixedly connected to the upper end of the vertical plate 5. A first motor 7 is mounted on the first mounting bracket 6. The output shaft of the first motor 7 extends into the slide 8 and is fixedly connected to the upper end of the threaded rod 10. The first motor 7 is a servo motor that can change the direction of rotation. The system also includes a sampling mechanism for removing the liquid from the upper part of the soaking solution. The sampling mechanism includes an inverted U-shaped drain pipe 19 that penetrates the mounting plate 14. One end of the drain pipe 19 is located 2 cm below the mounting plate 14, and the other end is located 3 cm above the detection tank 3. A second solenoid valve 25 is installed inside the drain pipe 19. A vent 22 is vertically installed on the mounting plate 14. A first solenoid valve 23 is installed inside the vent 22. When the first solenoid valve 23 is closed and the second solenoid valve 25 is open, the air pump 24 is started, which can press the upper liquid out to the test paper for testing. When the upper liquid is completely pressed out, the start of the air pump 24 will generate a continuous airflow inside the drain pipe 19. This airflow can carry out the residual liquid and dry the inside of the drain pipe 19, achieving the purpose of cleaning the pipe. The upper end of the mounting plate 14 is equipped with a second mounting bracket 15, and a second motor 16 is mounted on the second mounting bracket 15. The output shaft of the second motor 16 is connected to the rotating tube 26 through a transmission component. The transmission component includes two synchronous pulleys 17, which are connected by a synchronous belt 18. The two synchronous pulleys 17 are respectively mounted on the rotating tube 26 and the output shaft of the second motor 16.

[0018] In this invention, test paper is placed in the detection groove 3 at the upper end of the support platform 1, an appropriate amount of distilled water is placed in the measuring cylinder 13, an appropriate weight of the middle part of bread is placed in the measuring cylinder 13, the first motor 7 on the first mounting frame 6 is started, the first motor 7 is a servo motor that can change the direction of rotation, and its output shaft drives the threaded rod 10 to rotate in the sliding groove 8 on the front side of the vertical plate 5. The slider 9, which is threaded to the threaded rod 10, slides upward along the inner wall of the sliding groove 8, thereby driving the lifting plate 11, which is fixedly connected to the slider 9, to move upward, so that the upper end face of the measuring cylinder 13 contacts the sealing ring 30. At this time, one end of the drain pipe 19 is just in the water. The second motor 16 on the second mounting bracket 15 is started, which drives the rotating tube 26 to rotate through the transmission component consisting of two synchronous pulleys 17 and a synchronous belt 18. This, in turn, drives the stirring rod 27 and the stirring tube 28 to rotate, stirring the water and bread. At the same time, the first solenoid valve 23 is opened and the second solenoid valve 25 is closed. The air pump 24 is started. The air pump 24 supplies air to the rotating tube 26 through the connecting pipe 20 and the rotary joint 21. The gas is discharged through the air hole 29 of the stirring tube 28, forming bubbles that rise to the surface and promote water flow. The shear force generated by the bursting of the bubbles further enhances the water flow and improves the leaching effect of the preservative in the bread. After the preservative has been extracted, close the first solenoid valve 23, open the second solenoid valve 25, and restart the air pump 24. The upper layer of liquid in the measuring cylinder 13 is then pumped out through the drain pipe 19 to the test paper above the test tank 3 for testing. Once the upper layer of liquid has been completely pumped out, the air pump 24 continues to run, causing continuous airflow inside the drain pipe 19 to carry out the residual liquid and dry the inside of the drain pipe 19, thus cleaning the pipe and facilitating subsequent use.

[0019] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0020] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A detection device for bread preservatives, characterized in that, include: Support platform (1), with a vertical plate (5) fixedly connected to the upper end of the support platform (1); A lifting plate (11) is provided with a sealing ring (30) fixedly connected to its lower end. A placement groove (12) is provided at the upper end of the lifting plate (11), and a measuring cylinder (13) is placed in the placement groove (12). An auxiliary mechanism is used to improve the leaching rate of the preservative. The leaching mechanism includes a rotating tube (26) that penetrates the mounting plate (14). The lower end of the rotating tube (26) is sealed. Multiple stirring rods (27) are fixedly connected to the outside of the rotating tube (26). Multiple stirring tubes (28) are connected to the outside of the lower part of the rotating tube (26). Multiple stirring tubes (28) are connected to the rotating tube (26). The ends of multiple stirring tubes (28) away from the rotating tube (26) are sealed. Multiple air holes (29) are opened in the inner top of each stirring tube (28). An air pump (24) is installed at the upper end of the mounting plate (14). The air outlet of the air pump (24) is connected to a connecting pipe (20). The other end of the connecting pipe (20) is connected to the upper end of the rotating tube (26) through a rotary joint (21). A lifting mechanism is used to realize the lifting operation of the lifting plate (11); A sampling mechanism for removing the liquid from the upper side of the soaking solution.

2. The detection device for bread preservatives according to claim 1, characterized in that, The upper end of the support platform (1) is provided with a detection groove (3), and the bottom of the detection groove (3) is provided with multiple openings (4). The lower end of the support platform (1) is fixedly connected with multiple support frames (2).

3. The detection device for bread preservatives according to claim 1, characterized in that, The lifting mechanism includes a slide groove (8) on the front side of the vertical plate (5). A threaded rod (10) is rotatably connected between the upper and lower inner walls of the slide groove (8). A slider (9) is threadedly connected to the threaded rod (10). The slider (9) is slidably connected to the inner wall of the slide groove (8). The front side of the slider (9) passes through the slide groove (8) and is fixedly connected to the rear side of the lifting plate (11).

4. The detection device for bread preservatives according to claim 3, characterized in that, The upper end of the vertical plate (5) is fixedly connected to a first mounting bracket (6), and a first motor (7) is mounted on the first mounting bracket (6). The output shaft of the first motor (7) extends into the slide groove (8) and is fixedly connected to the upper end of the threaded rod (10). The first motor (7) is a servo motor that can change the direction of rotation.

5. The detection device for bread preservatives according to claim 1, characterized in that, The sampling mechanism includes an inverted U-shaped drain pipe (19) that penetrates the mounting plate (14). One end of the drain pipe (19) is located 2 cm below the mounting plate (14), and the other end of the drain pipe (19) is located 3 cm above the detection tank (3). A second solenoid valve (25) is installed inside the drain pipe (19).

6. The detection device for bread preservatives according to claim 5, characterized in that, A vent (22) is vertically provided on the mounting plate (14), and a first solenoid valve (23) is installed inside the vent (22).

7. The detection device for bread preservatives according to claim 1, characterized in that, The upper end of the mounting plate (14) is equipped with a second mounting bracket (15), and a second motor (16) is mounted on the second mounting bracket (15). The output shaft of the second motor (16) is connected to the rotating tube (26) through a transmission component.

8. The detection device for bread preservatives according to claim 7, characterized in that, The transmission component includes two synchronous pulleys (17), which are connected by a synchronous belt (18). The two synchronous pulleys (17) are respectively mounted on the rotating tube (26) and the output shaft of the second motor (16).

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