An automatic sampling and detection device for tea moisture in tea processing

Abstract

This utility model relates to the field of tea moisture detection technology, specifically to an automatic sampling and detection device for tea moisture in tea processing. It includes a base and a top seat fixedly connected to the base. It also includes a crushing trough, a first weighing trough, a heating trough, and a second weighing trough sequentially formed on the top of the base. This automatic sampling and detection device for tea moisture in tea processing transports tea from a sampling tube. Combined with a sampling box and a pushing mechanism working in conjunction with the sampling trough at the sampling tube, automatic sampling can be achieved. This results in higher randomness in the sampled tea and eliminates subjective interference. The driving component can move the sampled tea from the sampling box sequentially to the crushing trough, the first weighing trough, the heating trough, and the second weighing trough for processing and detection, reducing worker intervention and environmental interference, improving the accuracy of sampling and detection, achieving immediate sampling and testing, and resulting in better sampling and testing effects.

Description

Technical Field

[0001] This utility model relates to the field of tea humidity detection technology, specifically to an automatic sampling and detection device for tea humidity in tea processing. Background Technology

[0002] Tea processing refers to the process of transforming fresh tea leaves into dried tea leaves. It is mainly divided into primary processing and refining processing, and the processing techniques vary depending on the type of tea. During tea processing, humidity monitoring is a crucial quality control step that runs through fresh leaf handling, primary processing, refining, and storage, directly determining the adjustment of process parameters and the stability of the finished product's quality.

[0003] Tea moisture testing typically involves staff taking a suitable amount of tea leaves from the tea to be tested, crushing the tea leaves, weighing them, recording the initial weight, drying the crushed tea powder, weighing the dried tea powder again, and finally calculating the moisture content of the tea based on the two sets of data.

[0004] However, the aforementioned tea moisture testing uses manual sampling. When faced with large stacks and yields of tea, manual sampling typically only allows access to the surface and middle layers, making it difficult to reach the bottom layers, corners, and other areas prone to moisture absorption. This results in samples that are biased towards localized moisture content. Furthermore, operators may subconsciously avoid tea leaves with unusual appearances or reduce sampling points due to physical limitations, further diminishing sample representativeness and ultimately leading to unrepresentative moisture test results. Summary of the Invention

[0005] To address the aforementioned issues, an automatic sampling and detection device for tea moisture in tea processing is provided. During tea transportation, the tea is conveyed from a sampling tube, and then automatically sampled by a sampling box and a pushing mechanism working in conjunction with the sampling slot at the sampling tube. This method ensures greater randomness in the sampled tea and eliminates subjective interference. The driving component moves the sampled tea from the sampling box sequentially to the crushing tank, the first weighing tank, the heating tank, and the second weighing tank for processing and testing. This reduces worker intervention and environmental interference, improves the accuracy of sampling and testing, and achieves immediate sampling and testing for better results.

[0006] To address the existing technical problems, this utility model provides an automatic sampling and detection device for tea moisture in tea processing, including a base and a top seat located on top of the base and fixedly connected to the base; It also includes a crushing tank, a first weighing tank, a heating tank, and a second weighing tank that are sequentially opened on the top of the base; It also includes a sampling tube set on one side of the base, a sampling groove is opened horizontally through one side of the sampling tube and a guide tube is set at the top of the sampling tube, the guide tube extends downward to the top of the sampling groove and the diameter of the guide tube decreases along its extension direction. It also includes a sampling box that is movably mounted on the top of the base and matches the size of the sampling slot. The sampling box is horizontally positioned, and a pushing mechanism for moving the sampling box horizontally to take samples is provided in the middle of the base. The base has a horizontal mounting groove at its top, and the pushing mechanism is located in the mounting groove.

[0007] Preferably, a mounting block is provided on one side of the sampling box, and the mounting groove extends horizontally to form a guide groove that cooperates with the mounting block.

[0008] Preferably, the pushing mechanism includes a horizontally arranged mounting plate located in the middle of the mounting groove, and a rotating shaft is rotatably connected to the middle of the mounting plate, the rotating shaft being coaxial with the mounting plate.

[0009] Preferably, a push arm is hinged between the mounting block and the rotating shaft, and an electric push rod and guide blocks located on both sides of the mounting block and in contact with the outer wall of the mounting block are also provided on the top of the mounting plate. The cylinder of the electric push rod is hinged to the mounting plate, and its push rod end is hinged to a drive arm fixed on the rotating shaft. A drive assembly for driving the pushing mechanism and the sampling box to rotate is provided at the bottom of the mounting plate.

[0010] Preferably, the mounting block has a vertically opening sliding groove, which is open to the side facing the sampling box. The sliding groove is provided with a vertically sliding block, and the two ends of the sliding block are equipped with rollers that contact the inner wall of the sliding groove and can move vertically along the inner wall of the sliding groove.

[0011] Preferably, the middle part of the sliding block extends laterally to pass through the sliding groove to form an insertion part, the outer side of the sampling box extends laterally to form a docking part that cooperates with the insertion part, the insertion part is provided with an elastic element vertically, and the docking part is provided with a positioning groove that cooperates with the elastic element.

[0012] Preferably, the mounting block and the sampling box are arranged symmetrically on both sides of the plane that vertically bisects the mounting plate and the rotating shaft.

[0013] Preferably, a crushing device coaxial with the crushing trough is vertically installed at the top seat, a weighing device is embedded in both the first and second weighing troughs, and a heating device is embedded in the heating trough.

[0014] The advantages of this utility model compared to the prior art are: 1. When transporting tea, the tea leaves are conveyed from the sampling tube. With the addition of a sampling box and a pushing mechanism that work in conjunction with the sampling slot at the sampling tube, automatic sampling can be achieved. At this time, the randomness of the sampled tea leaves is higher, and subjective intervention is eliminated, making the extracted tea leaf samples more representative.

[0015] 2. The driving component can move the tea samples taken from the sampling box in sequence to the crushing tank, the first weighing tank, the heating tank and the second weighing tank for processing and testing, reducing staff intervention and interference from the surrounding environment, improving the accuracy of sampling and testing, achieving immediate sampling and testing, and achieving better sampling results. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of an automatic sampling and detection device for tea moisture in tea processing.

[0017] Figure 2 This is a schematic diagram of the three-dimensional cross-sectional structure of the base of an automatic sampling and detection device for tea moisture in tea processing.

[0018] Figure 3 This is a schematic diagram showing the disassembled structure of an automatic sampling and detection device for tea moisture in tea processing.

[0019] Figure 4 This is a schematic diagram of the installation frame of an automatic sampling and detection device for tea moisture in tea processing.

[0020] Figure 5 This is a schematic diagram of the three-dimensional structure of the driving mechanism of an automatic sampling and detection device for tea moisture in tea processing.

[0021] Figure 6 This is a schematic diagram of the three-dimensional structure of the sliding block in an automatic sampling and detection device for tea moisture in tea processing.

[0022] Figure 7 This is a schematic diagram of the three-dimensional cross-sectional structure of the sliding block of an automatic sampling and detection device for tea moisture in tea processing.

[0023] The following are the labels in the diagram: 1. Base; 2. Top seat; 3. Sampling tube; 3a. Guide tube; 4. Sampling box; 5. Mounting block; 5a. Sliding block; 5a1. Roller; 5a2. Elastic element; 6. Mounting plate; 6a. Rotating shaft; 6b. Push arm; 6c. Electric push rod; 7. Crushing device; 8. Weighing device; 9. Heating device. Detailed Implementation

[0024] To further understand the features, technical means, and specific objectives and functions achieved by this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments.

[0025] See Figure 1 and Figure 3 As shown, an automatic sampling and detection device for tea moisture in tea processing includes a base 1 and a top seat 2 located on top of the base 1 and fixedly connected to the base 1. It also includes a crushing tank, a first weighing tank, a heating tank and a second weighing tank that are sequentially opened on the top of the base 1.

[0026] It should be noted that the crushing tank is used to crush the tea leaves, the first weighing tank is used to weigh the crushed tea leaves, the heating tank is used to dry the crushed tea powder, and the second weighing tank is used to weigh the dried tea powder.

[0027] See Figure 1-3 As shown, it also includes a sampling tube 3 disposed on one side of the base 1. A sampling groove is horizontally opened on one side of the sampling tube 3 and a guide tube 3a is disposed on the top of the sampling tube 3. The guide tube 3a extends downward to the top of the sampling groove and the diameter of the guide tube 3a decreases along its extension direction.

[0028] It should be noted that when conveying tea leaves, the tea leaves are placed into the guide tube 3a at the top of the sampling tube 3. The guide tube 3a guides the tea leaves in the sampling tube 3 to be centered, preventing the tea leaves from falling out of the sampling slot.

[0029] See Figure 2-4 As shown, it also includes a sampling box 4 that is movably disposed on the top of the base 1 and matches the size of the sampling slot. The sampling box 4 is horizontally disposed, and a pushing mechanism for pushing the sampling box 4 to move horizontally for sampling is provided in the middle of the base 1.

[0030] The base 1 has a horizontal mounting groove on its top, and the pushing mechanism is located in the mounting groove.

[0031] It should be noted that during sampling, the pushing mechanism moves the sampling box 4 towards the sampling slot until it is pushed into the sampling tube 3. At this point, the tea leaves in the sampling tube 3 can be collected by the sampling box 4. After sampling is completed, the pushing mechanism resets the sampling box 4.

[0032] See Figure 2 and Figure 3 As shown, a mounting block 5 is provided on one side of the sampling box 4, and the mounting groove extends horizontally to form a guide groove that cooperates with the mounting block 5.

[0033] It should be noted that when the pushing mechanism pushes the sampling box 4, it will drive the mounting block 5 to move along the guide groove, thus guiding the movement path of the sampling box 4.

[0034] See Figure 2-5 As shown, the pushing mechanism includes a horizontally arranged mounting plate 6 located in the middle of the mounting groove. A rotating shaft 6a is rotatably connected to the middle of the mounting plate 6, and the rotating shaft 6a is coaxially arranged with the mounting plate 6.

[0035] A push arm 6b is hinged between the mounting block 5 and the rotating shaft 6a. The top of the mounting plate 6 is also provided with an electric push rod 6c and guide blocks located on both sides of the mounting block 5 and in contact with the outer wall of the mounting block 5. The cylinder of the electric push rod 6c is hinged to the mounting plate 6, and its push rod end is hinged to a drive arm fixed on the rotating shaft 6a.

[0036] It should be noted that when the pushing mechanism is working, the electric push rod 6c extends, thereby pushing the rotating shaft 6a to rotate. When the rotating shaft 6a rotates, due to the limiting effect of the guide block on both sides of the mounting block 5, the push arm 6b rotates and unfolds, thus pushing the mounting block 5 along the guide block into the guide groove, thereby pushing the sampling box 4 into the sampling groove. After sampling is completed, the electric push rod 6c pulls the rotating shaft 6a to rotate and reset, thereby driving the push arm 6b, the mounting block 5, and the sampling box 4 to reset.

[0037] See Figure 2 As shown, the bottom of the mounting plate 6 is provided with a drive assembly that drives the pushing mechanism and the sampling box 4 to rotate.

[0038] It should be noted that the drive assembly consists of a drive motor and a reduction gear used in conjunction with the drive motor. In use, the drive motor will drive the mounting plate 6 to rotate through the reduction gear.

[0039] See Figure 4-6 As shown, the mounting block 5 has a vertically opening sliding groove, which is open to the side facing the sampling box 4. The sliding groove is provided with a vertically sliding block 5a, and rollers 5a1 that are in contact with the inner wall of the sliding groove and can move vertically along the inner wall of the sliding groove are installed at both ends of the sliding block 5a.

[0040] It should be noted that the sliding groove at the mounting block 5 cooperates with the roller 5a1, which can drive the sampling box 4 to move vertically along the sliding groove, so that the weight of the sampling box 4 itself at the first weighing groove and the weight of the tea sample inside is vertically downward, avoiding interference during the weighing process and ensuring the accuracy of the weighing data.

[0041] See Figure 6 and Figure 7 As shown, the middle part of the sliding block 5a extends laterally to pass through the sliding groove to form an insertion part, and the outer side of the sampling box 4 extends laterally to form a docking part that cooperates with the insertion part. The insertion part is vertically provided with an elastic element 5a2, and the docking part is provided with a positioning groove that cooperates with the elastic element 5a2.

[0042] It should be noted that the sliding block 5a and the sampling box 4 are installed by means of elastic plug-in positioning, which facilitates the replacement of the sampling box 4 in the future.

[0043] See Figure 2 and Figure 4As shown, the mounting block 5 and the sampling box 4 are symmetrical about the plane that vertically bisects the mounting plate 6 and the rotating shaft 6a, and the mounting block 5 and the sampling box 4 are symmetrically arranged on both sides of the symmetrical plane.

[0044] It should be noted that there are two sets of mounting blocks 5 and sampling boxes 4, so that when one end of the sampling box 4 is located on the side of the sampling tube 3, the other end of the sampling box 4 located away from the sampling tube 3 can be quickly removed and replaced by the staff, waiting for the next sampling work, thereby ensuring the operation rate of the automatic sampling and detection device for tea humidity in tea processing.

[0045] See Figure 1-3 As shown, a crushing device 7 coaxial with the crushing trough is vertically installed at the top seat 2, a weighing device 8 is embedded in both the first weighing trough and the second weighing trough, and a heating device 9 is embedded in the heating trough.

[0046] It should be noted that the crushing device 7 consists of a push cylinder, a servo motor, a reduction gear used in conjunction with the servo motor, and crushing blades. In use, the push cylinder pushes the servo motor, the reduction gear used in conjunction with the servo motor, and the crushing blades to descend and crush the tea leaves in the sampling box 4, which facilitates the subsequent drying of the tea leaves.

[0047] Weighing device 8 at the first weighing tank is used to obtain the weight of the tea leaves before drying. Weighing device 8 at the second weighing tank is used to obtain the weight of the tea leaves after drying by heating device 9 at the heating tank. After obtaining the weight, the two weights are substituted into the tea moisture calculation formula to obtain the detection value of the tea moisture content.

[0048] The above embodiments only illustrate one or more implementations of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. An automatic sampling and detection device for tea moisture in tea processing, comprising a base (1), characterized in that, It also includes a top seat (2) located on top of the base (1) and fixedly connected to the base (1); It also includes a crushing tank, a first weighing tank, a heating tank and a second weighing tank that are sequentially opened on the top of the base (1); It also includes a sampling tube (3) set on one side of the base (1), a sampling groove is opened horizontally through one side of the sampling tube (3) and a guide tube (3a) is set on the top of the sampling tube (3), the guide tube (3a) extends downward to the top of the sampling groove and the diameter of the guide tube (3a) decreases along its extension direction. It also includes a sampling box (4) that is movably set on the top of the base (1) and matches the size of the sampling slot. The sampling box (4) is set horizontally, and a pushing mechanism for pushing the sampling box (4) to move horizontally for sampling is provided in the middle of the base (1). The base (1) has a horizontally opened mounting groove at the top, and the pushing mechanism is located in the mounting groove.

2. The automatic sampling and detection device for tea moisture in tea processing according to claim 1, characterized in that, The sampling box (4) is provided with a mounting block (5) on one side, and the mounting groove extends horizontally to form a guide groove that cooperates with the mounting block (5).

3. The automatic sampling and detection device for tea moisture in tea processing according to claim 2, characterized in that, The pushing mechanism includes a horizontally arranged mounting plate (6) located in the middle of the mounting groove. A rotating shaft (6a) is rotatably connected to the middle of the mounting plate (6), and the rotating shaft (6a) is coaxially arranged with the mounting plate (6).

4. The automatic sampling and detection device for tea moisture in tea processing according to claim 3, characterized in that, A push arm (6b) is hinged between the mounting block (5) and the rotating shaft (6a). The top of the mounting plate (6) is also provided with an electric push rod (6c) and guide blocks located on both sides of the mounting block (5) and in contact with the outer wall of the mounting block (5). The cylinder of the electric push rod (6c) is hinged to the mounting plate (6), and its push rod end is hinged to a drive arm fixed on the rotating shaft (6a). The bottom of the mounting plate (6) is provided with a drive assembly that drives the push mechanism and the sampling box (4) to rotate.

5. The automatic sampling and detection device for tea moisture in tea processing according to claim 2, characterized in that, The mounting block (5) has a vertical sliding groove, which is open on one side facing the sampling box (4). The sliding groove is provided with a sliding block (5a) that can slide vertically. The two ends of the sliding block (5a) are equipped with rollers (5a1) that contact the inner wall of the sliding groove and can move vertically along the inner wall of the sliding groove.

6. The automatic sampling and detection device for tea moisture in tea processing according to claim 5, characterized in that, The middle part of the sliding block (5a) extends laterally to pass through the sliding groove to form an insertion part, and the outer side of the sampling box (4) extends laterally to form a docking part that cooperates with the insertion part. The insertion part is provided with an elastic element (5a2) in a vertical direction, and the docking part is provided with a positioning groove that cooperates with the elastic element (5a2).

7. The automatic sampling and detection device for tea moisture in tea processing according to claim 5, characterized in that, The mounting block (5) and the sampling box (4) are symmetrical about the plane that vertically bisects the mounting plate (6) and the rotating shaft (6a), and the mounting block (5) and the sampling box (4) are symmetrically arranged on both sides of the symmetrical plane.

8. The automatic sampling and detection device for tea moisture in tea processing according to claim 1, characterized in that, A crushing device (7) coaxial with the crushing tank is vertically installed at the top seat (2). Weighing devices (8) are embedded in both the first weighing tank and the second weighing tank. A heating device (9) is embedded in the heating tank.

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