Blending device and medical equipment

Abstract

The utility model discloses a blending device and medical equipment, the blending device comprises a test tube rack, a vibration disc and a plurality of traction mechanisms, the test tube rack comprises a support plate and a plurality of support cylinders, and the plurality of support cylinders are movably mounted on the support plate; the vibration disc and the supporting plate are oppositely arranged in a spaced mode, the vibration disc and the multiple supporting cylinders are arranged in a spaced mode, and the vibration disc is configured to move relative to the supporting plate; the multiple traction mechanisms and the multiple supporting cylinders are arranged in a one-to-one mode, each traction mechanism comprises an electromagnet and a magnetic piece, the electromagnets are arranged on one of the supporting cylinders and the vibration disc, the magnetic pieces are arranged on the other one of the supporting cylinders and the vibration disc, and the electromagnets and the magnetic pieces are oppositely arranged at intervals. Each electromagnet is configured to be independently powered. According to the uniform mixing device, uniform mixing and stopping of each supporting cylinder can be independently controlled, test tubes can be added or taken out in the uniform mixing process, structural design and time sequence design of medical equipment are facilitated, and the use requirements of the medical equipment are met.

Description

Technical Field

[0001] This utility model relates to the field of medical technology, and in particular to a mixing device and medical equipment. Background Technology

[0002] Test tube mixing mechanisms are commonly used in clinical testing with some medical instruments / equipment. In fully automated medical instruments, the mixing time for different test tubes may vary due to different mixing requirements. Furthermore, due to the timing and structural design requirements of the medical instrument, the start and end times of mixing for each test tube may differ. Currently, mixing mechanisms in related technologies can generally only mix multiple test tubes on the same test tube rack simultaneously. They cannot add test tubes during the mixing process, nor can they remove some test tubes midway. These limitations of mixing mechanisms greatly affect the structural and timing design of medical instruments. Therefore, a new type of mixing mechanism is urgently needed to solve the above problems. Utility Model Content

[0003] This utility model aims to solve at least one of the technical problems existing in the prior art. To this end, this utility model proposes a mixing device and a medical device. The mixing device adopts the design of the following embodiment, which allows the mixing and stopping of each support cylinder to be independently controlled. This enables the addition or removal of test tubes during the mixing process, which is beneficial to the structural and timing design of the medical device and meets the usage requirements of the medical device.

[0004] The mixing apparatus according to a first aspect of the present invention includes:

[0005] A test tube rack includes a support plate and multiple support cylinders, wherein the multiple support cylinders are movably mounted on the support plate;

[0006] A vibratory feeder is disposed opposite to and spaced from the support plate, and the vibratory feeder is configured to be movable relative to the support plate;

[0007] Multiple traction mechanisms are provided, and each traction mechanism is paired with one of the support cylinders. In the cooperation relationship between each traction mechanism and one support cylinder, each traction mechanism includes an electromagnet and a magnetic component. The electromagnet is located in one of the support cylinder and the vibrating plate, and the magnetic component is located in the other of the support cylinder and the vibrating plate. The electromagnet and the magnetic component are arranged opposite to each other and spaced apart. Each electromagnet is configured to be independently powered.

[0008] The mixing apparatus according to the first aspect of the present invention has at least the following beneficial effects:

[0009] The mixing device of this invention includes an electromagnet and a magnetic component in each traction mechanism. The electromagnet is disposed in one of the vibrating plate and the support cylinder, and the magnetic component is disposed in the other. When the electromagnet is energized, a magnetic attraction force is generated between it and the magnetic component, causing each traction mechanism to pull a support cylinder through the magnetic attraction force. Furthermore, when the vibrating plate moves, it drives the electromagnet or magnetic component to move, and the support cylinder moves along with it based on the magnetic attraction force, thus achieving the mixing operation of the test tubes. In this invention, since the electromagnet of each traction mechanism is independently powered, the mixing operation and stopping of each support cylinder can be independently controlled. Therefore, by adjusting the energization of each electromagnet according to the mixing time of different test tubes and the start and end times of mixing different test tubes, it is possible to add or remove test tubes midway through the process. Furthermore, this invention alternates between the vibratory feeder and the support cylinder, and also alternates between the electromagnet and the magnetic component. Each traction mechanism achieves contactless movement of the support cylinder through magnetic attraction. Therefore, adding or removing test tubes during the mixing process will not affect other test tubes. Through the above-mentioned design, the mixing device of this invention allows for independent control of the mixing operation and stopping of each support cylinder, enabling the addition or removal of test tubes during mixing. Thus, when this mixing device is applied to medical equipment, it facilitates the structural and timing design of the medical equipment and can meet the usage requirements of the medical equipment.

[0010] According to some embodiments of the present invention, in each of the traction mechanisms, the support cylinder includes a first end and a second end that are opposite to each other along its axial direction. The first end is movably mounted on the support plate, and the second end is located between the support plate and the vibrating plate. The magnetic element is disposed at the second end.

[0011] According to some embodiments of the present utility model, the support plate is provided with a plurality of mounting holes extending along its thickness direction, and the test tube rack further includes a plurality of connectors, which are installed one-to-one in the plurality of mounting holes and connected one-to-one with the plurality of support cylinders.

[0012] Each of the connectors includes a fixed base and a movable part movably connected to the fixed base. The fixed base is fixedly connected to the mounting hole. The movable part can swing relative to the axis of the mounting hole under the action of an external force. The movable part is provided with a guide hole, and the support cylinder passes through the guide hole.

[0013] According to some embodiments of the present invention, each of the support cylinders has a stepped portion at its first end, the stepped portion protruding radially from the cylinder wall of the support cylinder, and the stepped portion overlapping the movable portion.

[0014] According to some embodiments of this utility model, the test tube rack further includes:

[0015] A cover plate is connected to the side of the support plate away from the vibratory plate. The cover plate is provided with multiple through holes, and the multiple through holes correspond one-to-one with the multiple mounting holes.

[0016] Multiple first springs are provided one-to-one in the multiple mounting holes, with one end of each first spring abutting against the stepped portion of one of the support cylinders and the other end abutting against the cover plate.

[0017] According to some embodiments of the present invention, the stepped portion includes a first step and a second step, the first step and the second step are arranged along the axial direction of the support cylinder, and the second step is connected to the side of the first step away from the second end; wherein, the first step overlaps the movable portion, the second step abuts against the first spring, and the outer diameter of the second step is larger than the outer diameter of the first step.

[0018] According to some embodiments of the present invention, a limiting groove is provided on the side of the stepped portion facing the cover plate, and the end of the first spring away from the cover plate is located in the limiting groove and abuts against the bottom wall of the limiting groove.

[0019] According to some embodiments of the present invention, the mixing device further includes:

[0020] The base, the test tube rack is mounted on the base, and the vibrating plate is spaced between the base and the support plate;

[0021] A vibration mechanism is mounted on the base. The vibration mechanism includes a drive motor and a crankshaft connected to the drive motor. The crankshaft is rotatably connected to the vibratory disk. The drive motor is used to drive the crankshaft to rotate eccentrically, so as to push the vibratory disk to move along a preset trajectory through the crankshaft.

[0022] According to some embodiments of the present invention, the mixing device further includes a second spring, which is disposed on at least one side of the crankshaft in the circumferential direction. One end of the second spring is connected to the vibrating plate, and the other end is connected to the base.

[0023] The medical device according to a second aspect of the present invention includes the mixing device described in any of the above embodiments.

[0024] The medical device according to the second aspect embodiment of the present invention has at least the following beneficial effects:

[0025] By employing the mixing device of the first aspect embodiment, each traction mechanism includes an electromagnet and a magnetic component. The electromagnet is disposed in one of the vibrating plate and the support cylinder, and the magnetic component is disposed in the other. When the electromagnet is energized, a magnetic attraction force is generated between it and the magnetic component, causing each traction mechanism to pull a support cylinder through the magnetic attraction force. Furthermore, when the vibrating plate moves, it drives the electromagnet or magnetic component to move, and the support cylinder moves along with it based on the magnetic attraction force, thus achieving the mixing operation of the test tubes. In this invention, since the electromagnet of each traction mechanism is independently powered, the mixing operation and stopping of each support cylinder can be independently controlled. Therefore, by adjusting the energization of each electromagnet according to the mixing time of different test tubes and the start and end times of mixing different test tubes, it is possible to add or remove test tubes midway through the process. Furthermore, this invention alternates between the vibratory feeder and the support cylinder, and also alternates between the electromagnet and the magnetic components. Each traction mechanism achieves contactless movement of the support cylinder through magnetic attraction. Therefore, adding or removing test tubes during the mixing process will not affect other test tubes. Through the above-mentioned design, the mixing operation and stopping of each support cylinder can be independently controlled, allowing for the addition or removal of test tubes during mixing. This is beneficial for the structural and timing design of medical equipment and can meet the usage requirements of medical devices.

[0026] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0028] Figure 1 This is a schematic diagram of the mixing device according to an embodiment of the present invention;

[0029] Figure 2 This is a cross-sectional view of the mixing device according to an embodiment of the present invention;

[0030] Figure 3 This is a schematic diagram of the test tube rack according to an embodiment of the present invention;

[0031] Figure 4 This is a cross-sectional view of the test tube rack according to an embodiment of the present invention;

[0032] Figure 5 This is a cross-sectional view of the support cylinder of the test tube rack according to an embodiment of the present utility model;

[0033] Figure 6 This is a schematic diagram of the assembly structure of the vibration mechanism and the base according to an embodiment of the present utility model;

[0034] Figure 7 for Figure 6 A cross-sectional view of the structure shown.

[0035] Figure label:

[0036] Mixing device 10;

[0037] Test tube rack 100; support plate 110; mounting hole 111; support part 112;

[0038] Support cylinder 120; receiving groove 120a; first end 121; stepped portion 1211; first step 1211a; second step 1211b; limiting groove 1212; second end 122; first mounting groove 1221;

[0039] Connector 130; Cover plate 140; Through hole 141; First spring 150; First support column 160;

[0040] Vibratory feeder 200; First connecting hole 210; Second mounting slot 220;

[0041] Traction mechanism 300; electromagnet 310; magnetic component 320; base 400;

[0042] Vibration mechanism 500; drive motor 510; crankshaft 520; first shaft body 521; first shaft segment 5211; second shaft segment 5212; second shaft body 522; first bearing 530; second bearing 540; bearing seat 550; second connecting hole 551; coupling 560; second support column 570; second spring 600;

[0043] 20 test tubes. Detailed Implementation

[0044] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0045] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and 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. Therefore, they should not be construed as limitations on this utility model.

[0046] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0047] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0048] In the description of this utility model, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0049] In related technologies, the mixing mechanisms of medical instruments currently on the market are generally divided into two types: single-tube mixing and multi-tube mixing. Regardless of whether it's single-tube or multi-tube mixing, all tubes are prepared before the mixing mechanism is opened and mixing is allowed. Once mixing is complete, the mixing mechanism is closed before all tubes are removed. These current mixing mechanisms have limitations, such as: the mixing mechanism can only be started after all tubes are prepared; once started, no new tubes can be added during mixing; and if some tubes need to be removed midway, they must wait until all tubes are fully mixed. In fully automated medical instruments, especially those with high-speed performance requirements, the mixing time for different tubes varies due to different mixing needs. Furthermore, due to the timing and structural requirements of the medical instrument, the start and end times of mixing for each tube may differ. These limitations of current mixing mechanisms significantly impact the structural and timing design of medical instruments, failing to meet the usage requirements of medical equipment.

[0050] To solve the above problems, please refer to... Figures 1 to 7 This application provides a novel mixing device 10.

[0051] refer to Figure 1 As shown, the mixing device 10 includes a test tube rack 100, a vibrating plate 200, a base 400, and a vibration mechanism 500.

[0052] The base 400 is a supporting component of the mixing device 10, used to support the test tube rack 100 and the vibration mechanism 500. The base 400 can be fixed on the working platform of the medical equipment. The vibration generated by the mixing device 10 during the mixing process can be transmitted to the working platform through the base 400.

[0053] A test tube rack 100 is mounted on a base 400 and is used to support test tubes 20. The test tube rack 100 includes a support plate 110 and a plurality of first support columns 160 connected to the support plate 110. The entire test tube rack 100 is mounted on the base 400 via the plurality of first support columns 160. The test tube rack 100 also includes a plurality of support cylinders 120, each support cylinder 120 having a receiving slot 120a for inserting a test tube 20, and each support cylinder 120 is used to accommodate one test tube 20. In this embodiment, the plurality of support cylinders 120 are movably mounted on the support plate 110; for example, the support cylinders 120 are swayable relative to the support plate 110. The plurality of support cylinders 120 can be arranged in a rectangular array, with the distance between any two adjacent support cylinders 120 being greater than the maximum sway distance of each support cylinder 120.

[0054] The vibratory feeder 200 is positioned opposite and spaced apart from the support plate 110, and the vibratory feeder 200 is configured to move relative to the support plate 110. Specifically, the vibratory feeder 200 can be connected to the vibration mechanism 500, and the vibratory feeder 200 can move relative to the support plate 110 under the drive of the vibration mechanism 500.

[0055] In this embodiment, the vibratory feeder 200 and multiple support cylinders 120 are also spaced apart. The mixing device 10 further includes multiple traction mechanisms 300, which are arranged one-to-one with the multiple support cylinders 120. Each traction mechanism 300 includes an electromagnet 310 and a magnetic element 320. The electromagnet 310 is disposed in one of the support cylinders 120 and the vibratory feeder 200, and the magnetic element 320 is disposed in the other of the support cylinders 120 and the vibratory feeder 200. The electromagnet 310 and the magnetic element 320 are opposite to each other and spaced apart. Each electromagnet 310 is configured to be independently powered. The magnetic element 320 can be an iron block, a permanent magnet, etc.

[0056] Specifically, taking one of the traction mechanisms 300 as an example, when the electromagnet 310 is energized, it generates a magnetic field, which in turn generates a magnetic attraction force on the magnetic component 320, causing the magnetic component 320 to be pulled (or held) by the magnetic attraction force. When the vibrating plate 200 moves and drives the energized electromagnet 310 to move together, the magnetic attraction force will pull the magnetic component 320 towards the direction of the electromagnet 310, thereby causing the support cylinder 120 to swing. Through the vibration mechanism 500, the vibrating plate 200 is driven to move along a preset trajectory (such as a circular trajectory or an elliptical trajectory), which can drive the support cylinder 120 to perform vortex swinging, thereby realizing the mixing operation of the test tube 20. Since each traction mechanism 300 corresponds to a support cylinder 120, and the vibratory feeder 200 and the support cylinder 120 are spaced apart, when some electromagnets 310 are not energized, the movement of the vibratory feeder 200 will not affect the support cylinders 120 corresponding to these electromagnets 310. Thus, the mixing action and stopping of each support cylinder 120 can be controlled independently.

[0057] Thus, during the mixing process, when test tube 20 needs to be added for mixing, the electromagnet 310 corresponding to the support cylinder 120 where the added test tube 20 is located is energized. When the electromagnet 310 corresponding to this part of the support cylinder 120 is energized, a magnetic attraction force is generated between the electromagnet 310 and the magnetic component 320, and the support cylinders 120 are driven to move along with the movement of the vibrating plate 200. This realizes the mid-process addition of test tube 20 for mixing without waiting for the current mixing operation to finish, and without affecting other test tubes 20 that are currently being mixed. Similarly, during the mixing process, when it is necessary to remove some test tubes 20 midway, the electromagnet 310 corresponding to the support cylinder 120 where the test tube 20 to be removed is located is de-energized. After the electromagnet 310 corresponding to this part of the support cylinder 120 is de-energized, the magnetic attraction disappears, and the support cylinder 120 returns to a stationary state under the action of gravity, thus enabling the midway removal of test tubes 20. This step does not require waiting for the current mixing operation to be completed, nor will it affect other test tubes 20 that are still being mixed. Moreover, in a mixing process, because test tubes 20 can be added and / or removed midway, it is not necessary to wait for all test tubes 20 to be ready before starting the mixing operation.

[0058] The mixing device 10 of this utility model includes an electromagnet 310 and a magnetic component 320 in each traction mechanism 300. The electromagnet 310 is disposed in one of the vibrating plate 200 and the support cylinder 120, and the magnetic component 320 is disposed in the other of the vibrating plate 200 and the support cylinder 120. When the electromagnet 310 is energized, a magnetic attraction force is generated between it and the magnetic component 320, so that each traction mechanism 300 pulls a support cylinder 120 through the magnetic attraction force. When the vibrating plate 200 moves, it will drive the electromagnet 310 or the magnetic component 320 to move, and pull the support cylinder 120 together based on the magnetic attraction force, so as to realize the mixing operation of the test tube 20. In this invention, since each traction mechanism 300's electromagnet 310 is independently powered, the mixing operation and stopping of each support cylinder 120 can be independently controlled. Thus, by adjusting the energization of each electromagnet 310 according to the mixing time of different test tubes 20 and the start and end times of mixing, test tubes 20 can be added or removed midway through the process. Furthermore, this invention alternates between the vibratory plate 200 and the support cylinder 120, and between the electromagnet 310 and the magnetic component 320. Each traction mechanism 300 achieves contactless movement of the support cylinder 120 through magnetic attraction. Therefore, adding or removing test tubes 20 during the mixing process will not affect other test tubes 20 in the mixing process. The mixing device 10 of this utility model, through the above-mentioned configuration, allows the mixing operation and stopping of each support cylinder 120 to be independently controlled, and can realize the addition or removal of test tube 20 during the mixing process. Therefore, when the mixing device 10 is applied to medical equipment, it is beneficial to the structural design and timing design of medical equipment, and can meet the usage requirements of medical equipment.

[0059] Exemplary, in one embodiment, reference Figure 2 As shown, the magnetic component 320 is mounted on the support cylinder 120, and the electromagnet 310 is mounted on the vibratory feeder 200. It is easy to understand that the vibratory feeder 200 has a large support and load-bearing area, which facilitates the installation of the electromagnet 310, for example... Figure 7 The vibratory feeder 200 shown can be provided with multiple second mounting slots 220, and multiple electromagnets 310 are mounted one-to-one in the second mounting slots 220. Moreover, the conductive wires of the multiple electromagnets 310 can be directly routed on the surface of the vibratory feeder 200, which is beneficial for the arrangement of the conductive wires of the electromagnets 310.

[0060] Please refer to Figure 2 and Figure 5Each support cylinder 120 includes a first end 121 and a second end 122 opposite to each other along its axial direction. The first end 121 is movably mounted on the support plate 110, and the second end 122 is located between the support plate 110 and the vibrating plate 200. A magnetic element 320 is disposed at the second end 122. By disposing of the magnetic element 320 at the end of the support cylinder 120 away from the support plate 110, in other words, at the end of the support cylinder 120 close to the vibrating plate 200, the magnetic element 320 is brought close to the electromagnet 310. The magnetic element 320 is within the strong magnetic field range of the electromagnet 310, thus the magnetic element 320 can be subjected to a strong magnetic attraction force and move better with the movement of the electromagnet 310, thereby better driving the support cylinder 120 to swing.

[0061] Specifically, such as Figure 5 As shown, the second end 122 may be provided with a first mounting groove 1221, and the magnetic component 320 is disposed in the first mounting groove 1221. The magnetic component 320 may be fixed in the first mounting groove 1221 by means including but not limited to screw locking, snap connection, adhesive bonding, etc., and this application embodiment does not limit this.

[0062] The specific connection structure between the support cylinder 120 and the support plate 110 is described below. Please refer to... Figure 3 and Figure 4 The support plate 110 has a plurality of mounting holes 111 extending along its thickness direction. The test tube rack 100 also includes a plurality of connectors 130, which are installed one-to-one in the plurality of mounting holes 111 and connected one-to-one with a plurality of support cylinders 120. Each support cylinder 120 is movable relative to the support plate 110 via a connector 130.

[0063] Each connector 130 includes a fixed base (not shown in detail) and a movable part (not shown in detail) movably connected to the fixed base. The fixed base is fixedly connected to the mounting hole 111. The movable part can swing relative to the axis of the mounting hole 111 under the action of external force. The movable part is provided with a guide hole (not shown). The support cylinder 120 passes through the guide hole.

[0064] Since the movable part is movably connected to the fixed base, and the movable part can swing relative to the axis of the mounting hole 111, when the movable part moves under the action of an external force, it can drive the support cylinder 120 to move together. Conversely, when the support cylinder 120 is subjected to an external force and tends to move, since the movable part is movable, it will not constrain / restrict the movement tendency of the support cylinder 120, thus allowing the support cylinder 120 to move as well. Therefore, in this embodiment, by providing the aforementioned connecting member 130, the support cylinder 120 is connected to the connecting member 130, making the support cylinder 120 movable relative to the support plate 110.

[0065] The connecting part 130 can be a self-aligning bearing or a spherical plain bearing. Taking a self-aligning bearing as an example, the aforementioned fixed seat is the outer ring of the self-aligning bearing, which is fixed to the mounting hole 111. The movable part is the inner ring of the self-aligning bearing, and the support cylinder 120 passes through the inner ring.

[0066] Since the connector 130 will bear the weight of the support cylinder 120 and the test tube 20, as well as the force applied to the connector 130 during the swing of the support cylinder 120, in order to ensure that the connector 130 is firmly installed in the mounting hole 111, the connector 130 and the mounting hole 111 can be an interference fit.

[0067] Optionally, in one embodiment, please refer to Figure 4 Each mounting hole 111 has a support portion 112 at one end near the vibratory feeder 200. The support portion 112 protrudes from the hole wall of the mounting hole 111 to support the connector 130. By providing the support portion 112 at one end of the mounting hole 111 near the vibratory feeder 200 (i.e., the bottom end of the mounting hole 111) to support the connector 130, the support portion 112 restricts the connector 130 from moving downward in the vertical direction. This allows the connector 130 to be stably installed in the mounting hole 111, preventing the support cylinder 120 from shifting downward or falling due to the continuous force exerted by the vortex swing of the support cylinder 120.

[0068] Similarly, the support cylinder 120 and the guide hole can be interference fit to prevent the support cylinder 120 from sliding out of the guide hole and falling due to its own weight and the weight of the test tube 20.

[0069] Understandably, during the mixing process, the support cylinder 120 is subjected to centrifugal force due to the vortex oscillation caused by the traction mechanism 300. To ensure that the support cylinder 120 is stably installed on the connector 130, in one embodiment, please refer to... Figure 4 and Figure 5 Each support cylinder 120 has a stepped portion 1211 at its first end 121. The stepped portion 1211 protrudes radially from the cylinder wall of the support cylinder 120 and overlaps with the movable portion. Through the overlapping cooperation between the stepped portion 1211 and the movable portion, the movable portion can support the stepped portion 1211 and at the same time limit it, which can restrict the downward movement of the support cylinder 120, so that the support cylinder 120 is always stably supported on the connector 130, and prevents the support cylinder 120 from being thrown out of the guide hole and falling off due to centrifugal force and gravity.

[0070] It should also be understood that, since the fixed seat is stationary, this embodiment avoids interference between the stepped portion 1211 and the fixed seat, thus preventing the support cylinder 120 from moving due to the stepped portion 1211 only overlapping the movable portion, rather than overlapping the entire connector 130. This allows the support cylinder 120 to swing more smoothly with the movable portion. The stepped portion 1211 can have various shapes. It can be designed as a ring along the circumference of the support cylinder 120, and may include a complete ring or a ring with an opening. The stepped portion 1211 can also be constructed as a plurality of sub-protrusions spaced apart along the circumference of the support cylinder 120. This embodiment does not limit these aspects.

[0071] When mixing is complete, the electromagnet 310 is de-energized. At this time, the support cylinder 120, under the action of gravity, moves from its tilted state during mixing to a vertical state. To enable the support cylinder 120 to move to a vertical state more quickly after mixing, a reset structure can be provided at the connection between the support cylinder 120 and the support plate 110. For example, in one embodiment, please refer again... Figure 3 and Figure 4 The test tube rack 100 also includes a cover plate 140 and a plurality of first springs 150. The cover plate 140 is connected to the side of the support plate 110 away from the vibrating plate 200. The plurality of first springs 150 are arranged one-to-one in a plurality of mounting holes 111. One end of each first spring 150 abuts against the stepped portion 1211 of a support cylinder 120, and the other end abuts against the cover plate 140.

[0072] Understandably, the first spring 150 is a return spring, used to provide spring force to restore the support cylinder 120 from an inclined state to a vertical state. Specifically, initially (before activating the mixing device 10), the first spring 150 is in a compressed deformation state, generating spring force that acts on the stepped portion 1211 of the support cylinder 120, keeping the support cylinder 120 in a vertical state under the action of the spring force and its own weight. During the mixing process, the electromagnet 310 is energized and magnetically attracted to the magnetic component 320. At this time, the magnetic attraction between the electromagnet 310 and the magnetic component 320 is greater than the spring force of the first spring 150, allowing the support cylinder 120 to overcome the resisting action of the first spring 150 and thus tilt and swing along with the movement of the electromagnet 310. When the mixing operation is completed, the electromagnet 310 is de-energized, the magnetic attraction between the electromagnet 310 and the magnetic component 320 disappears, and the support cylinder 120 returns to a vertical position under the spring force of the first spring 150 and its own weight, so that the operator can take out the test tube 20.

[0073] Thus, in this embodiment, by setting a first spring 150 and a cover plate 140, the first spring 150 is abutted between the cover plate 140 and the step portion 1211 of the support cylinder 120, so that the support cylinder 120 is subjected to its own gravity and the spring force of the first spring 150. Based on the combined force of the two, the support cylinder 120 can recover from the tilted state to the vertical state more quickly and better when the mixing ends.

[0074] Please continue to refer to this. Figure 3 and Figure 4 The cover plate 140 is provided with multiple through holes 141 for the test tube 20 to pass through, and the multiple through holes 141 correspond one-to-one with multiple mounting holes 111. Each through hole 141 can be coaxially arranged with its corresponding mounting hole 111, so that the test tube 20 can smoothly pass through the through hole 141 and be inserted into the receiving groove 120a of the support cylinder 120 through the mounting hole 111. Understandably, to prevent the first spring 150 from dislodging from the through hole 141, the diameter of the first spring 150 is larger than the diameter of the through hole 141.

[0075] In one embodiment, please refer to Figure 5 The stepped portion 1211 includes a first step 1211a and a second step 1211b, which are arranged axially along the support cylinder 120. The second step 1211b is connected to the side of the first step 1211a away from the second end 122. The first step 1211a overlaps the movable portion, and the second step 1211b abuts against the end of the first spring 150 away from the cover plate 140. The outer diameter of the second step 1211b is larger than the outer diameter of the first step 1211a.

[0076] By constructing the step portion 1211 in the shape described above, the outer diameter of the first step 1211a is set to be relatively small. For example, the outer diameter of the first step 1211a can be less than or equal to the maximum outer diameter of the movable portion, so that the first step 1211a only overlaps the movable portion and does not contact or interfere with the fixed seat, allowing the support cylinder 120 to swing with the swing of the movable portion. At the same time, the outer diameter of the second step 1211b is set to be relatively large. For example, the outer diameter of the second step 1211b can be greater than the diameter of the first spring 150. The second step 1211b has a sufficiently large support area, so that the step portion 1211 can provide good support for the first spring 150 through the second step 1211b. Moreover, since the second step 1211b is located on the side of the first step 1211a away from the second end 122, that is, on the upper side of the first step 1211a, there is a gap between the second step 1211b and the fixed seat, so that the second step 1211b will not contact or interfere with the fixed seat and will not affect the swing of the support cylinder 120.

[0077] Optionally, in one embodiment, such as Figure 5As shown, a limiting groove 1212 is provided on the side of the step portion 1211 facing the cover plate 140. The end of the first spring 150 away from the cover plate 140 is located in the limiting groove 1212 and abuts against the bottom wall of the limiting groove 1212. Thus, the limiting groove 1212 has a limiting effect on the end of the first spring 150 away from the cover plate 140. For ease of explanation, the end of the first spring 150 away from the cover plate 140 is defined as the first abutting end. The limiting groove 1212 can restrict the radial movement of the first abutting end. In particular, when the traction mechanism 300 drives the support cylinder 120 to swing, the first abutting end will tilt with the movement of the support cylinder 120. Through the limiting effect of the limiting groove 1212, it can be ensured that the first abutting end is always located in the limiting groove 1212, ensuring the reliability of the abutment between the first spring 150 and the step portion 1211, and preventing the first spring 150 from being displaced due to tilting, which would affect the abutting effect of the first spring 150.

[0078] Please combine Figure 2 And refer to Figure 6 and Figure 7 The vibration mechanism 500 is mounted on the base 400. The vibration mechanism 500 includes a drive motor 510 and a crankshaft 520 connected to the drive motor 510. The crankshaft 520 is rotatably connected to the vibratory plate 200. The drive motor 510 is used to drive the crankshaft 520 to rotate eccentrically and push the vibratory plate 200 to move along a preset trajectory through the crankshaft 520.

[0079] Specifically, the vibratory feeder 200 is provided with a first connecting hole 210, and the vibration mechanism 500 also includes a first bearing 530, which is installed in the first connecting hole 210. The crankshaft 520 includes a first shaft body 521 and a second shaft body 522 connected to the first shaft body 521. The axes of the first shaft body 521 and the second shaft body 522 are offset. The first shaft body 521 is connected to the output shaft of the drive motor 510, and the second shaft body 522 is connected to the inner ring of the first bearing 530. By setting the first bearing 530, the first shaft body 521 of the crankshaft 520 and the vibratory feeder 200 are in a rotational fit relationship. Therefore, when the drive motor 510 drives the crankshaft 520 to rotate eccentrically, since the inner ring of the first bearing 530 will rotate relative to its outer ring, the crankshaft 520 will not drive the vibratory feeder 200 to rotate 360°. Instead, it will be pushed by the crankshaft 520 and move as a whole according to the motion trajectory of the crankshaft 520, thereby driving the electromagnet 310 on the vibratory feeder 200 to move together.

[0080] The mixing device 10 also includes a coupling 560, a bearing housing 550, and a second bearing 540. The bearing housing 550 is connected to the base 400 via a second support column 570, and is located between the base 400 and the vibratory feeder 200. The bearing housing 550 has a second connecting hole 551, and the second bearing 540 is installed within the second connecting hole 551. The first shaft 521 includes a first shaft segment 5211 and a second shaft segment 5212 connected sequentially along its axial direction. The second shaft segment 5212 is inserted into and rotatably engaged with the second bearing 540. The first shaft segment 5211 is connected to the output shaft of the drive motor 510 via the coupling 560. Supporting the crankshaft 520 with the bearing housing 550 improves the rotational stability of the crankshaft 520.

[0081] In some embodiments, the mixing device 10 further includes a second spring 600, which is disposed on at least one side of the crankshaft 520 in the circumferential direction. One end of the second spring 600 is connected to the vibrating plate 200, and the other end is connected to the base 400.

[0082] It is important to understand that the second spring 600 is a limiting spring. When the vibration mechanism 500 drives the vibrating plate 200 to move, it will pull the second spring 600 to undergo tensile deformation, so that the second spring 600 generates a pulling force to hold the vibrating plate 200, restricting the axial movement of the vibrating plate 200 around the crankshaft 520 and preventing the crankshaft 520 from driving the vibrating plate 200 to rotate 360°.

[0083] The number of second springs 600 can be one, two, or more. When there are multiple second springs 600 (more than one), the multiple second springs 600 can be connected to different sides of the vibratory feeder 200 respectively, which can better hold the vibratory feeder 200. For example, in one embodiment, as... Figure 6 As shown, the mixing device 10 includes two second springs 600, which are respectively disposed on opposite sides of the crankshaft 520 in the circumferential direction, and are respectively connected to the opposite side edges of the vibrating plate 200.

[0084] This utility model also provides a medical device, which includes the mixing device 10 conceived in any of the above embodiments.

[0085] Since the medical device adopts all the technical solutions of the mixing device 10 of the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments.

[0086] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention. Furthermore, the embodiments of the present invention and the features thereof can be combined with each other unless otherwise specified.

Claims

1. A mixing device, characterized in that, include: A test tube rack includes a support plate and multiple support cylinders, wherein the multiple support cylinders are movably mounted on the support plate; A vibratory feeder is disposed opposite to and spaced apart from the support plate, and the vibratory feeder is disposed spaced apart from a plurality of the support cylinders. The vibratory feeder is configured to be movable relative to the support plate. Multiple traction mechanisms are provided, with each traction mechanism paired with one of the support cylinders. Each traction mechanism includes an electromagnet and a magnetic component. The electromagnet is located in one of the support cylinders and the vibrating plate, and the magnetic component is located in the other of the support cylinders and the vibrating plate. The electromagnet and the magnetic component are positioned opposite each other and spaced apart. Each electromagnet is configured to be independently powered.

2. The mixing device according to claim 1, characterized in that, In each of the traction mechanisms, the support cylinder includes a first end and a second end that are opposite to each other along its axial direction. The first end is movably mounted on the support plate, and the second end is located between the support plate and the vibrating plate. The magnetic element is disposed at the second end.

3. The mixing device according to claim 2, characterized in that, The support plate is provided with a plurality of mounting holes extending along its thickness direction. The test tube rack also includes a plurality of connectors, which are installed one-to-one in the plurality of mounting holes and connected one-to-one with the plurality of support cylinders. Each of the connectors includes a fixed base and a movable part movably connected to the fixed base. The fixed base is fixedly connected to the mounting hole. The movable part can swing relative to the axis of the mounting hole under the action of an external force. The movable part is provided with a guide hole, and the support cylinder passes through the guide hole.

4. The mixing device according to claim 3, characterized in that, Each of the support cylinders has a stepped portion at its first end, the stepped portion protruding radially from the cylinder wall of the support cylinder, and the stepped portion overlapping the movable portion.

5. The mixing apparatus according to claim 4, characterized in that, The test tube rack also includes: A cover plate is connected to the side of the support plate away from the vibratory plate. The cover plate is provided with multiple through holes, and the multiple through holes correspond one-to-one with the multiple mounting holes. Multiple first springs are provided one-to-one in the multiple mounting holes, with one end of each first spring abutting against the stepped portion of one of the support cylinders and the other end abutting against the cover plate.

6. The mixing apparatus according to claim 5, characterized in that, The stepped portion includes a first step and a second step, the first step and the second step are arranged along the axial direction of the support cylinder, and the second step is connected to the side of the first step away from the second end; wherein, the first step overlaps the movable part, the second step abuts against the first spring, and the outer diameter of the second step is larger than the outer diameter of the first step.

7. The mixing apparatus according to claim 5, characterized in that, The stepped portion is provided with a limiting groove on the side facing the cover plate, and the end of the first spring away from the cover plate is located in the limiting groove and abuts against the bottom wall of the limiting groove.

8. The mixing apparatus according to any one of claims 1 to 7, characterized in that, The mixing device further includes: The base, the test tube rack is mounted on the base, and the vibrating plate is spaced between the base and the support plate; A vibration mechanism is mounted on the base. The vibration mechanism includes a drive motor and a crankshaft connected to the drive motor. The crankshaft is rotatably connected to the vibratory disk. The drive motor is used to drive the crankshaft to rotate eccentrically, so as to push the vibratory disk to move along a preset trajectory through the crankshaft.

9. The mixing apparatus according to claim 8, characterized in that, The mixing device further includes a second spring, which is disposed on at least one side of the crankshaft in the circumferential direction. One end of the second spring is connected to the vibratory plate, and the other end is connected to the base.

10. A medical device, characterized in that, Includes the mixing apparatus according to any one of claims 1 to 9.

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