Water absorbability measuring device

Abstract

The utility model provides a hydroscopicity measuring device which comprises a supporting mechanism arranged on a horizontal base plane; the rotating mechanism is rotatably arranged on the supporting mechanism, the rotating mechanism further comprises a containing shell and a cover body which are oppositely arranged, the containing shell comprises a containing cavity used for containing water to be absorbed and an opening part communicated with the containing cavity, and the cover body is used for pressing a sample at the opening part; the driving mechanism is arranged on the supporting mechanism and is in driving connection with the rotating mechanism; the control mechanism is electrically connected with the driving mechanism, so that the driving mechanism drives the rotating mechanism to rotate, and the problem that the accuracy of the measuring result of the water absorbability measuring device in the prior art is relatively low is solved.

Description

Technical Field

[0001] This utility model relates to the field of water absorption testing technology, and more specifically, to a water absorption measuring device. Background Technology

[0002] A paper and paperboard absorbency tester is an instrument used to determine the water absorbency of paper and paperboard surfaces. It is commonly referred to as the PN-COBB paper and paperboard absorbency tester, Cobb absorbency tester, or Cobb water absorbency tester. The Cobb water absorbency tester operates based on the Cobb test method. Under standard-specified conditions, the sample is exposed to water for a certain period, excess water is absorbed, and the change in mass of the sample is measured. The water absorbency value is calculated by determining the increase in mass per unit area of ​​the sample, expressed in grams per square meter (g / m²).

[0003] However, most existing paper and paperboard absorbency testing devices require manual operation to manually crank the handle to rotate the cylinder 180° to allow the sample to fully absorb water. The time is then manually recorded, and after the specified time is reached, the cylinder is manually cranked 180° in the opposite direction to right itself. Finally, the sample is removed for quality testing. This manual operation is not only inconvenient, but the manual cranking can easily lead to inaccurate control of the rotation angle, and the manual timing can easily result in the absorption time being too long or too short, affecting the accuracy of the test results. Utility Model Content

[0004] The main objective of this invention is to provide a water absorption measuring device to solve the problem of low accuracy in the measurement results of existing water absorption measuring devices.

[0005] To achieve the above objectives, according to one aspect of the present invention, a water absorption measuring device is provided, comprising: a support mechanism disposed on a horizontal base surface; a rotating mechanism rotatably disposed on the support mechanism, the rotating mechanism further comprising a receiving shell and a cover disposed opposite to each other, the receiving shell comprising a receiving cavity for receiving water to be absorbed and an opening communicating with the receiving cavity, the cover being used to press the sample against the opening; a driving mechanism disposed on the support mechanism and drivenly connected to the rotating mechanism; and a control mechanism electrically connected to the driving mechanism to cause the driving mechanism to drive the rotating mechanism to rotate.

[0006] Furthermore, the absorbency testing device also includes a transmission mechanism, which includes a protective cover and a first transmission component and a second transmission component that mesh with each other. A drive mechanism is connected to the second transmission component, and the first transmission component is connected to a rotating mechanism so that the rotating mechanism is driven to rotate under the drive of the drive mechanism.

[0007] Furthermore, the water absorption measuring device also includes a detection mechanism, which includes a first detection component and a second detection component, both of which are electrically connected to the control mechanism. The first detection component is disposed on the rotating mechanism to emit a first position signal on the rotating mechanism. The second detection component is disposed on the inner wall of the protective cover to cooperate with the first detection component, receive the first position signal emitted by the first detection component when it rotates to a predetermined position, and send a confirmation signal of the first position signal to the control mechanism so that the control mechanism controls the working state of the drive mechanism according to the confirmation signal.

[0008] Furthermore, the first transmission component is a driven wheel, with teeth on one half of its circumference and a smooth surface on the other half. The second transmission component is a driving wheel, with teeth on its entire circumference, so that when the drive mechanism drives the driving wheel to rotate, the driven wheel drives the rotating mechanism to achieve a 180-degree reciprocating rotation.

[0009] Furthermore, the control mechanism includes a control switch. After the water to be absorbed and the sample are both set on the rotating mechanism, the control mechanism can be activated by pressing the control switch to control the drive mechanism to rotate forward, so as to drive the rotating mechanism to rotate forward 180 degrees through the engagement of the first transmission component and the second transmission component; and / or the predetermined position is the position where the rotating mechanism is after rotating forward 180 degrees. The control mechanism includes a timer. The timer is started when the control mechanism receives a confirmation signal. After the timer finishes counting, the control mechanism controls the drive mechanism to rotate in the reverse direction, so as to drive the rotating mechanism to rotate in the reverse direction 180 degrees through the engagement of the first transmission component and the second transmission component.

[0010] Furthermore, the support mechanism also includes: a base plate; and two side wall mounting plates, which are mounted on the base plate and spaced apart along the width of the base plate to form an installation space for mounting the rotating mechanism.

[0011] Furthermore, the rotating mechanism also includes a first rotating component, which is disposed within the installation space and rotatably disposed with the two side wall mounting plates. The first rotating component includes a rotating shaft and a receiving shell fixed on the rotating shaft.

[0012] Furthermore, the rotating mechanism also includes: a second rotating component, the second rotating component including a cover, the second rotating component further including: a connector, the connector being mounted on the side of the cover away from the first rotating component, and at least a portion of the outer peripheral surface of the connector being provided with external threads; a mounting bracket, the mounting bracket being fixed on the rotating shaft, the mounting bracket being provided with threaded holes for connecting with the external threads, so that by rotating the connector, the connector can be moved in a direction closer to or away from the receiving shell, so as to press the cover onto the receiving shell or release the cover.

[0013] Furthermore, the connecting component includes a rotating handle, a screw, and a pressure head connected sequentially along the direction close to the receiving shell. The pressure head is used to contact or separate from the cover. The screw is threadedly connected to a threaded hole so that rotating the rotating handle can drive the screw and pressure head to rotate and move. And / or the mounting bracket includes columns and a horizontal mounting plate. There are two columns, which are arranged on a rotating shaft and spaced apart on both sides of the receiving shell along the extension direction of the rotating shaft so as to rotate with the first rotating component. The two ends of the horizontal mounting plate are respectively connected to the two columns, and the threaded hole is provided on the horizontal mounting plate.

[0014] Furthermore, the support mechanism is also equipped with a roller pressing component and a snap-fit ​​component. The roller pressing component includes a roller frame and a pressure roller rotatably mounted on the roller frame. The roller frame is provided with a snap-fit ​​groove, which snaps into the snap-fit ​​component to limit the roller pressing component to be placed on the snap-fit ​​component. Alternatively, the snap-fit ​​groove can be separated from the snap-fit ​​component so that the pressure roller can be driven to roll on the base plate by the roller frame to squeeze out excess water from the water-absorbing sample.

[0015] By applying the technical solution of this utility model, the water absorption testing device of this utility model introduces an electrically connected drive mechanism and control mechanism, realizing the automatic flipping of the sample in the rotating mechanism. The operator only needs to place the sample in the designated position and start the device, without manually controlling the flipping of the rotating mechanism. This automated flipping replaces the traditional manual operation, avoids inaccurate flipping angles caused by human factors, ensures the uniformity and consistency of the sample in the process of absorbing water, thereby improving the accuracy of the test results. Moreover, the water absorption testing device of this utility model can automatically control the flipping and stationary state of the rotating mechanism according to the preset program, eliminating the subjective error that may be caused by manual timing, and ensuring the accuracy of the soaking time of the sample in water. Therefore, this application effectively solves the problem of low accuracy of the test results of the existing water absorption testing devices. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0017] Figure 1 A schematic diagram of the overall structure of an embodiment of the water absorption measuring device according to the present invention is shown;

[0018] Figure 2 It shows Figure 1 A magnified view of point A shown below;

[0019] Figure 3 It shows Figure 1 The diagram shows the structure of the water absorption measuring device from another perspective.

[0020] The above figures include the following reference numerals:

[0021] 10. Support mechanism; 20. Rotating mechanism; 30. Drive mechanism; 40. Control mechanism; 50. Transmission mechanism; 60. Detection mechanism;

[0022] 110. Base plate; 120. Side wall mounting plate; 130. Installation space; 140. Roll forming component; 150. Clip-on component;

[0023] 141. Roller frame; 142. Pressure roller; 143. Slot;

[0024] 230. Opening; 240. First rotating component; 250. Second rotating component;

[0025] 510. Protective cover; 520. First transmission component; 530. Second transmission component;

[0026] 610. First detection component; 620. Second detection component;

[0027] 241. Shaft; 242. Housing;

[0028] 251. Cover; 252. Connector; 253. Mounting bracket;

[0029] 2521. Rotary handle; 2522. Screw; 2523. Pressure head;

[0030] 2531. Column; 2532. Horizontal mounting plate. Detailed Implementation

[0031] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0032] like Figures 1 to 3As shown, the water absorption measuring device of this utility model includes: a support mechanism 10, which is disposed on a horizontal base surface; a rotating mechanism 20, which is rotatably disposed on the support mechanism 10, and the rotating mechanism 20 also includes a receiving shell 242 and a cover 251 disposed opposite to each other. The receiving shell 242 includes a receiving cavity for receiving water to be absorbed and an opening 230 communicating with the receiving cavity. The cover 251 is used to press the sample into the opening 230; a driving mechanism 30, which is disposed on the support mechanism 10 and drivenly connected to the rotating mechanism 20; and a control mechanism 40, which is electrically connected to the driving mechanism 30 so that the driving mechanism 30 drives the rotating mechanism 20 to rotate. Thus, the water absorption testing device of this utility model introduces an electrically connected drive mechanism 30 and control mechanism 40, realizing the automatic flipping of the sample in the rotating mechanism 20. The operator only needs to place the sample in the designated position and start the device, without manually controlling the flipping of the rotating mechanism 20. This automated flipping replaces the traditional manual operation, avoids inaccurate flipping angles caused by human factors, and ensures the uniformity and consistency of the sample during the water absorption process, thereby improving the accuracy of the test results. Moreover, the water absorption testing device of this utility model can automatically control the flipping and stationary state of the rotating mechanism 20 according to the preset program, eliminating the subjective error that may be caused by manual timing, and ensuring the accuracy of the soaking time of the sample in water. Therefore, this application effectively solves the problem of low accuracy of the test results of the water absorption testing device in the prior art.

[0033] Preferably, the drive mechanism 30 is a linear motor.

[0034] Preferably, the control mechanism 40 is a PLC controller.

[0035] like Figure 1 and Figure 2 As shown, the absorbency testing device also includes a transmission mechanism 50. The transmission mechanism 50 includes a protective cover 510 and a first transmission component 520 and a second transmission component 530 that mesh with each other. The drive mechanism 30 is connected to the second transmission component 530. The first transmission component 520 is connected to the rotating mechanism 20 so that the rotating mechanism 20 can be rotated under the drive of the drive mechanism 30. Through the precise meshing of the first transmission component 520 and the second transmission component 530, the transmission mechanism 50 can ensure that the rotating mechanism 20 is stably flipped at a preset angle, avoiding over-flipping or under-flipping, thereby ensuring the consistency of experimental conditions and improving the accuracy of the test results.

[0036] The protective cover 510 in the transmission mechanism 50 can not only protect the first transmission component 520 and the second transmission component 530 from the influence of the external environment, such as dust and moisture, and ensure the long-term stable operation of the first transmission component 520 and the second transmission component 530, but also reduce the possibility of accidents during operation to a certain extent and ensure user safety.

[0037] Optionally, the absorbency testing device further includes a detection mechanism 60, which includes a first detection component 610 and a second detection component 620, both electrically connected to the control mechanism 40. The first detection component 610 is disposed on the rotating mechanism 20 to emit a first position signal on the rotating mechanism 20. The second detection component 620 is disposed on the inner wall of the protective cover 510 to cooperate with the first detection component 610, receive the first position signal emitted by the first detection component 610 when it rotates to a predetermined position, and send a confirmation signal of the first position signal to the control mechanism 40, so that the control mechanism 40 can receive the first position signal emitted by the first detection component 610 when it rotates to a predetermined position. Mechanism 40 controls the working state of drive mechanism 30 according to the confirmation signal. The first detection component 610 and the second detection component 620 constitute the detection mechanism 60, which can monitor the position status of rotation mechanism 20 in real time. When the first detection component 610 emits a first position signal and it is received and confirmed by the second detection component 620, the second detection component 620 will promptly feed back the detected precise position information to control mechanism 40 through the confirmation signal. Control mechanism 40 controls the rotation timing and rotation angle of drive mechanism 30 to ensure that rotation mechanism 20 can be accurately positioned to the required angle.

[0038] Preferably, the first detection component 610 is an infrared emitter.

[0039] Preferably, the second detection component 620 is an infrared receiver.

[0040] Preferably, the automated detection and control cycle reduces positional deviations and time measurement errors caused by the operator's subjective judgment, ensuring a high degree of consistency in experimental conditions each time. This is especially important for high-precision water absorption testing, and helps to obtain more objective and reliable data.

[0041] like Figure 2As shown, the first transmission component 520 is a driven wheel, with teeth on one half of its circumference and a smooth surface on the other half. The second transmission component 530 is a driving wheel, with teeth on its entire circumference. This design ensures that when the drive mechanism 30 drives the driving wheel to rotate, the driven wheel drives the rotating mechanism 20 to achieve a 180-degree reciprocating rotation. The unique design of the driven wheel ensures that torque is transmitted only when the gears are in contact when the linear motor drives the driving wheel. This precise matching design allows the rotating mechanism 20 to accurately and without deviation complete the 180-degree reciprocating rotation, avoiding the over-rotation or under-rotation problems common in traditional all-gear designs, and significantly improving the accuracy of the flipping angle in experiments.

[0042] The control mechanism 40 of this invention includes a control switch. After the water to be absorbed and the sample are set on the rotating mechanism 20, the control mechanism 40 can be activated by pressing the control switch to control the drive mechanism 30 to rotate forward. Through the meshing of the first transmission component 520 and the second transmission component 530, the rotating mechanism 20 is driven to rotate forward by 180 degrees. The introduction of the control switch allows the operator to start the entire experimental process simply by pressing the control switch after setting the water and sample. This simplifies the experimental start-up steps, avoids complex operating procedures, and lowers the operating threshold for users. Even non-professionals can easily get started. After pressing the control switch, the control mechanism 40 immediately activates the drive mechanism 30, ensuring the accuracy of the rotation process and avoiding angular deviations caused by manual operation or inaccurate mechanical control, which is beneficial to the consistency of experimental conditions.

[0043] Specifically, the reserved location is Figure 1 The rotating mechanism 20 shown is in its position after rotating 180 degrees in the forward direction. The control mechanism 40 contains a timer. The timer starts when the control mechanism 40 receives a confirmation signal. After the timer completes its counting (i.e., when the actual calculated duration reaches the predetermined duration), the control mechanism 40 controls the drive mechanism 30 to rotate in the reverse direction. Through the engagement of the first transmission component 520 and the second transmission component 530, the rotating mechanism 20 is driven to rotate 180 degrees in the reverse direction, returning to its original position. Figure 1 The initial position is shown. This automatic reversal process not only saves operation time but also avoids time delays or advances caused by human factors, thus ensuring the accuracy of the water absorption test time.

[0044] By utilizing the timing module inside the control mechanism 40, the motor of the drive mechanism 30 can be precisely controlled to reverse when the preset water absorption test duration is reached, ensuring the accuracy of the sample immersion time in water and avoiding subjective errors caused by manual timing.

[0045] like Figure 1As shown, the support mechanism 10 also includes: a base plate 110; and two side wall mounting plates 120. The two side wall mounting plates 120 are mounted on the base plate 110 and are spaced apart along the width direction of the base plate 110 to form an installation space 130 for mounting the rotating mechanism 20. The combination of the base plate 110 and the two side wall mounting plates 120 forms a stable base, providing a solid support platform for the rotating mechanism 20, ensuring the stability of the equipment during operation, and maintaining balance and structural integrity even when rotating at high speed or subjected to slight external disturbances, thus avoiding test errors caused by instability.

[0046] In this utility model, the bottom of the base plate 110 is also equipped with multiple support seats.

[0047] Specifically, the rotating mechanism 20 also includes a first rotating component 240, which is disposed within the mounting space 130 and rotatably mounted to the two side wall mounting plates 120. The first rotating component 240 includes a rotating shaft 241 and a receiving shell 242 fixed on the rotating shaft 241. The first rotating component 240 is rotatably connected to the side wall mounting plates 120 via the rotating shaft 241, ensuring smoothness and stability during rotation. This design reduces resistance and vibration during rotation, minimizing disturbance to the sample during a 180-degree rotation.

[0048] Specifically, the rotating mechanism 20 further includes: a second rotating component 250, which includes a cover 251 and a connector 252 mounted on the side of the cover 251 away from the first rotating component 240, and at least a portion of the outer peripheral surface of the connector 252 is provided with an external thread; and a mounting bracket 253 fixed on the rotating shaft 241, which is provided with a threaded hole for connecting with the external thread, so that by rotating the connector 252, the connector 252 can be moved in a direction close to or away from the receiving shell 242, so as to press the cover 251 onto the receiving shell 242 or release the cover 251.

[0049] The engagement of the external thread of the connector 252 with the threaded hole of the mounting bracket 253 achieves a tight clamping and rapid release between the cover 251 and the receiving shell 242. Before the experiment begins, the operator can easily rotate the connector 252 to push the cover 251 vertically towards the receiving shell 242, thus securely fixing the sample between them. After the experiment, rotating the connector 252 in the opposite direction quickly releases the cover 251, facilitating sample removal and replacement, greatly improving experimental efficiency and operational convenience.

[0050] Preferably, the precise positioning of the connector 252 and the pressing action of the cover 251 can significantly enhance the sealing performance of the rotating mechanism 20, ensuring that water will not leak from the gap between the sample and the cover 251 when the sample is flipped, thereby avoiding the influence of external factors on the experimental results and improving the accuracy and reliability of the experiment.

[0051] like Figure 1 As shown, the connector 252 includes a rotary handle 2521, a screw 2522, and a pressure head 2523 connected sequentially along the direction close to the housing 242. The pressure head 2523 is used to contact or separate from the cover 251. The screw 2522 is threadedly connected to a threaded hole so that rotating the rotary handle 2521 can drive the screw 2522 and the pressure head 2523 to rotate and move.

[0052] The introduction of the rotary handle 2521 allows the operator to intuitively and conveniently control the fixing and releasing of the cover 251. Simply rotating the handle 2521 drives the screw 2522 and the pressure head 2523 to move axially, thus adjusting the pressure on the cover 251. This design makes the operation of the equipment more user-friendly, reduces operational difficulty, and improves the user experience. Furthermore, the threaded engagement between the screw 2522 and the threaded hole allows for fine-tuning of the pressure head 2523 along the axial direction, enabling precise adjustment of the clamping force on the cover 251. This helps ensure the stable fixing of the sample during the experiment, preventing sample displacement due to insufficient clamping force or sample deformation due to excessive clamping force, thereby ensuring the accuracy and consistency of the experiment.

[0053] Mounting bracket 253 includes uprights 2531 and horizontal mounting plates 2532. Two uprights 2531 are mounted on a rotating shaft 241 and spaced apart on both sides of the housing 242 along the extension direction of the shaft 241, rotating with the first rotating component 240. The two ends of the horizontal mounting plate 2532 are connected to the two uprights 2531 respectively, and threaded holes are provided in the horizontal mounting plate 2532. The combined design of the uprights 2531 and the horizontal mounting plate 2532 provides a stable support platform for the connector 252. The arrangement of the two uprights 2531 along the extension direction of the rotating shaft 241 increases the stability and balance of the structure, reduces mechanical vibration and wear, and improves the durability of the equipment.

[0054] like Figure 3As shown, the support mechanism 10 is also provided with a roller pressing component 140 and a snap-fit ​​component 150. The roller pressing component 140 includes a roller frame 141 and a pressure roller 142 rotatably mounted on the roller frame 141. A snap-fit ​​groove 143 is provided in the roller frame 141. The snap-fit ​​groove 143 snaps into the snap-fit ​​component 150 to limit the roller pressing component 140 to be placed on the snap-fit ​​component 150. Alternatively, the snap-fit ​​groove 143 can be separated from the snap-fit ​​component 150 so that the pressure roller 142 can be driven to roll on the base plate 110 through the roller frame 141 to squeeze out excess water from the sample after water absorption.

[0055] The rolling of the pressure roller 142 on the sample surface ensures that excess moisture is squeezed out evenly and effectively, avoiding the problems of over-squeezing or under-squeezing that may occur in manual squeezing operations. This ensures the consistency and accuracy of sample processing and plays a key role in improving the accuracy of experimental results. Furthermore, the cooperation between the slot 143 and the locking piece 150 enables the rapid positioning and release of the roller pressing component 140 on the base plate 110. This design makes sample post-processing operations simpler and faster, accurately squeezing out moisture from the sample without complicated adjustment steps, greatly saving experimental preparation and post-processing time and improving the efficiency of the entire experimental process.

[0056] Compared with the prior art, the beneficial effects of this utility model are:

[0057] 1. This utility model incorporates a linear motor, a protective cover 510, a driving wheel, and a driven wheel. The motor drives the first rotating component 240 to rotate through the meshing of the driving wheel and the driven wheel. This, in turn, drives the housing 242 to rotate 180° via the rotating shaft 241, allowing the sample to fully absorb water. Compared to the existing method of controlling the rotation of the housing 242 by cranking a hand, the motor drive of this utility model is more labor-saving and convenient. Furthermore, the driven wheel, designed with a half-gear, ensures that the housing 242 can only rotate 180° at a time, avoiding the problem of excessive or insufficient rotation angles in traditional hand-cranked rotations. This makes the measurement process more standardized and the results more accurate.

[0058] 2. This utility model utilizes the cooperation of an infrared transmitter, an infrared receiver, and a PLC controller. When the motor drives the housing 242 to rotate 180° downwards, the infrared receiver receives the signal emitted by the infrared transmitter and feeds it back to the PLC controller, causing the timer in the PLC controller to start timing. When the actual calculated duration matches the preset duration of the water absorption test, the PLC controller controls the motor to reverse, causing the housing 242 to rotate 180° upwards. This allows for more precise control of the water absorption time during the test, avoiding the large error in the measurement results caused by excessively long or short water absorption times due to traditional manual timing.

[0059] The working principle of this utility model is as follows:

[0060] In use, the weighed sample, i.e., the circular test piece, is placed on the annular surface of the housing 242, with the test surface facing the direction of water (downward towards the housing cavity). The cover 251 is then placed on the sample, and the cover 251 is pressed tightly onto the housing 242 by rotating the handle 2521 to fix the circular test piece. At the start of the test, the linear motor drives the drive wheel to rotate. The drive wheel, through meshing with the driven wheel, drives the shaft 241 to rotate. The shaft 241 causes the housing 242 and the cover 251 to rotate downward by 180°, so that the water in the housing 242 covers the circular test piece. At this time, the infrared receiver receives the signal emitted by the infrared transmitter and feeds it back to the PLC controller. The timer in the PLC controller will then automatically start timing. When the time reaches the water absorption time specified in the test, the linear motor rotates in the opposite direction under the control of the PLC controller. Through the meshing of the drive wheel and the driven wheel, the housing 242 rotates upward by 180°. Then, the circular test piece is removed and placed on the electronic scale for weighing.

[0061] As can be seen from the above description, the embodiments of this utility model achieve the following technical effects:

[0062] The water absorption measuring device of this utility model includes: a support mechanism 10, which is disposed on a horizontal base surface; a rotating mechanism 20, which is rotatably disposed on the support mechanism 10, and the rotating mechanism 20 also includes a receiving shell 242 and a cover 251 disposed opposite to each other. The receiving shell 242 includes a receiving cavity for receiving water to be absorbed and an opening 230 communicating with the receiving cavity. The cover 251 is used to press the sample into the opening 230; a driving mechanism 30, which is disposed on the support mechanism 10 and drivenly connected to the rotating mechanism 20; and a control mechanism 40, which is electrically connected to the driving mechanism 30 so that the driving mechanism 30 drives the rotating mechanism 20 to rotate.

[0063] As can be seen, the water absorption testing device of this utility model introduces an electrically connected drive mechanism 30 and control mechanism 40, realizing the automatic flipping of the sample in the rotating mechanism. The operator only needs to place the sample in the designated position and start the device. There is no need to manually control the flipping of the rotating mechanism 20. This automated flipping replaces the traditional manual operation, avoids inaccurate flipping angles caused by human factors, and ensures the uniformity and consistency of the sample in the process of absorbing water, thereby improving the accuracy of the test results. Moreover, the water absorption testing device of this utility model can automatically control the flipping and stationary state of the rotating mechanism 20 according to the preset program, eliminating the subjective error that may be caused by manual timing, and ensuring the accuracy of the soaking time of the sample in water. Therefore, this application effectively solves the problem of low accuracy of the test results of the water absorption testing device in the prior art.

[0064] 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.

[0065] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0066] In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0067] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0068] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0069] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A water absorbency measuring device characterized by comprising: include: A support mechanism (10) is provided on a horizontal base surface; A rotating mechanism (20) is rotatably mounted on the support mechanism (10). The rotating mechanism (20) also includes a receiving shell (242) and a cover (251) disposed opposite to each other. The receiving shell (242) includes a receiving cavity for receiving water to be absorbed and an opening (230) communicating with the receiving cavity. The cover (251) is used to press the sample into the opening (230). A drive mechanism (30) is disposed on the support mechanism (10) and drivenly connected to the rotating mechanism (20); A control mechanism (40) is electrically connected to the drive mechanism (30) so that the drive mechanism (30) drives the rotating mechanism (20) to rotate.

2. The water absorption measuring apparatus according to claim 1, wherein The water absorption measuring device also includes: The transmission mechanism (50) includes a protective cover (510) and a first transmission component (520) and a second transmission component (530) that mesh with each other. The drive mechanism (30) is connected to the second transmission component (530), and the first transmission component (520) is connected to the rotating mechanism (20) so as to drive the rotating mechanism (20) to rotate under the drive of the drive mechanism (30).

3. The water absorption measuring apparatus according to claim 2, wherein The water absorption measuring device also includes: The detection mechanism (60) includes a first detection component (610) and a second detection component (620) both electrically connected to the control mechanism (40). The first detection component (610) is disposed on the rotating mechanism (20) to emit a first position signal on the rotating mechanism (20). The second detection component (620) is disposed on the inner wall of the protective cover (510) to cooperate with the first detection component (610) to receive the first position signal emitted by the first detection component (610) when it rotates to a predetermined position and to send a confirmation signal of the first position signal to the control mechanism (40) so that the control mechanism (40) controls the working state of the drive mechanism (30) according to the confirmation signal.

4. The water absorption measuring device according to claim 2, characterized in that, The first transmission component (520) is a driven wheel, with teeth on one half of its circumference and a smooth surface on the other half. The second transmission component (530) is a driving wheel, with teeth on its entire circumference, so that when the driving mechanism (30) drives the driving wheel to rotate, the driven wheel drives the rotating mechanism (20) to achieve a 180-degree reciprocating rotation.

5. The water absorption measuring device according to claim 3, characterized in that, The control mechanism (40) includes a control switch. After the water to be absorbed and the sample are both placed on the rotating mechanism (20), the control mechanism (40) can be activated by pressing the control switch to control the drive mechanism (30) to rotate forward. This rotation is achieved by engaging the first transmission component (520) and the second transmission component (530) to drive the rotating mechanism (20) to rotate forward by 180 degrees; and / or The predetermined position is the position where the rotating mechanism (20) is after rotating 180 degrees in the forward direction. The control mechanism (40) contains a timer. The timer is started when the control mechanism (40) receives the confirmation signal. After the timer finishes counting, the control mechanism (40) controls the drive mechanism (30) to rotate in the reverse direction so as to drive the rotating mechanism (20) to rotate 180 degrees in the reverse direction through the meshing of the first transmission component (520) and the second transmission component (530).

6. The water absorption measuring device according to claim 1, characterized in that, The support mechanism (10) also includes: Base plate (110); Side wall mounting plate (120), the side wall mounting plate (120) includes two, the two side wall mounting plates (120) are mounted on the base plate (110) and are spaced apart along the width direction of the base plate (110) to form a mounting space (130) for mounting the rotating mechanism (20).

7. The water absorption measuring apparatus according to claim 6, wherein The rotating mechanism (20) further includes: A first rotating component (240) is disposed within the mounting space (130) and rotatably disposed with the two side wall mounting plates (120). The first rotating component (240) includes a rotating shaft (241) and a receiving shell (242) fixed on the rotating shaft (241).

8. The water absorption measuring device according to claim 7, characterized in that, The rotating mechanism (20) further includes: a second rotating component (250), the second rotating component (250) including the cover (251), and the second rotating component (250) further including: A connector (252) is mounted on the side of the cover (251) away from the first rotating component (240), and at least a portion of the outer peripheral surface of the connector (252) is provided with an external thread; a mounting bracket (253) is fixed on the rotating shaft (241), and the mounting bracket (253) is provided with a threaded hole for connecting with the external thread, so that by rotating the connector (252), the connector (252) can be moved in a direction closer to or away from the receiving shell (242) to press the cover (251) onto the receiving shell (242) or release the cover (251).

9. The water absorption measuring device according to claim 8, characterized in that, The connector (252) includes a rotating handle (2521), a screw (2522), and a pressure head (2523) sequentially connected along a direction close to the receiving shell (242). The pressure head (2523) is used to contact or separate from the cover (251). The screw (2522) is threadedly connected to the threaded hole so that rotating the rotating handle (2521) drives the screw (2522) and the pressure head (2523) to rotate and move; and / or The mounting bracket (253) includes two columns (2531) and two horizontal mounting plates (2532). The two columns (2531) are arranged on the rotating shaft (241) and are spaced apart on both sides of the receiving shell (242) along the extension direction of the rotating shaft (241) so as to rotate with the first rotating component (240). The two ends of the horizontal mounting plate (2532) are respectively connected to the two columns (2531), and the threaded hole is provided on the horizontal mounting plate (2532).

10. The water absorption measuring apparatus according to claim 6, wherein The support mechanism (10) is also provided with a roller pressing component (140) and a snap-fit ​​component (150). The roller pressing component (140) includes a roller frame (141) and a pressure roller (142) rotatably mounted on the roller frame (141). A slot (143) is provided in the roller frame (141). The slot (143) snaps into the snap-fit ​​component (150) to limit the roller pressing component (140) to be placed on the snap-fit ​​component (150). Alternatively, the slot (143) can be separated from the snap-fit ​​component (150) so that the pressure roller (142) can be driven to roll on the base plate (110) through the roller frame (141) to squeeze out excess water from the sample after water absorption.

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