Platelet oscillator

Abstract

The invention belongs to the technical field of medical equipment, and provides a platelet oscillator which comprises a machine body, an oscillation frame and a driving assembly used for driving the oscillation frame to oscillate are arranged on the machine body, and the driving assembly comprises a rotating disc rotationally connected with the machine body and provided with a first mounting hole extending in the radial direction of the rotating disc; the sliding block is arranged at the first mounting hole and is in sliding connection with the turntable; the first end of the first connecting rod is hinged to the oscillation frame, and the second end is hinged to the sliding block; the first rotating shaft and the rotating disc are coaxially arranged, and the first rotating shaft is fixedly connected with the rotating disc; the first motor is fixedly arranged on the machine body, and a power output shaft of the first motor is in transmission connection with the first rotating shaft; the adjusting assembly is arranged on the machine body and used for changing the distance between the sliding block and the rotating center line of the rotating disc. The platelet oscillator provided by the invention is simple in structure, can adjust the oscillation amplitude as required, and is better in universality.

Description

Technical Field

[0001] The present invention relates to the technical field of medical equipment, and in particular to a platelet oscillator. Background Art

[0002] Platelets, a vital component of human blood, play a key role in hemostasis and coagulation. They are essential blood products for the clinical treatment of bleeding disorders, major trauma, and thrombocytopenia following chemotherapy and radiotherapy for cancer. Platelets require extremely demanding storage conditions and must be stored at a constant temperature of 22°C ± 2°C with continuous oscillation to prevent aggregation, activation, and loss of function. Therefore, a platelet oscillator is a core device for ensuring platelet quality and activity.

[0003] During the platelet storage process, large-volume blood bags contain relatively more platelets and have a wide distribution range. If the same oscillation frequency and amplitude as those used for small-volume blood bags are used, the platelets may not be fully and evenly dispersed, or even partially aggregated. Therefore, when replacing large-volume blood bags, it is necessary to appropriately increase the oscillation frequency and / or increase the amplitude to ensure that the platelets remain suspended and evenly distributed in a larger space; while small-volume blood bags can reduce the frequency and amplitude to avoid excessive oscillation that may damage the platelets. However, since the vibration amplitude of the platelet oscillator in the prior art is fixed, it is impossible to adjust the vibration amplitude according to the platelet storage requirements, and its versatility is poor. Summary of the Invention

[0004] In response to the defects in the prior art, the purpose of the present invention is to provide a platelet oscillator that can increase the oscillation frequency and oscillation amplitude when oscillating a large-volume blood bag, and can reduce the oscillation frequency and oscillation amplitude when oscillating a small-volume blood bag, so that the oscillation amplitude can be adjusted as needed, thereby achieving the purpose of improving the versatility of the entire device.

[0005] In order to achieve the above object, the present invention provides a platelet oscillator, comprising a body, an oscillation frame and a driving assembly for driving the oscillation frame to oscillate, the driving assembly comprising:

[0006] a turntable rotatably connected to the body, the turntable being provided with a first mounting hole extending radially thereof;

[0007] a slider, which is arranged at the first mounting hole and is slidably connected to the turntable;

[0008] a first connecting rod, a first end of which is hinged to the oscillation frame and a second end of which is hinged to the slider;

[0009] a first rotating shaft, which is coaxially arranged with the rotating disk and fixedly connected to the rotating disk;

[0010] A first motor is fixedly mounted on the machine body, wherein a power output shaft of the first motor is in driving connection with the first rotating shaft; and

[0011] An adjusting component is arranged on the machine body, and is used to change the distance between the sliding block and the rotation center line of the turntable.

[0012] Furthermore, the adjustment component includes:

[0013] a screw sleeve, which is coaxially arranged with the first rotating shaft and the rotating disk, wherein a first end of the screw sleeve is inserted into the first rotating shaft and is rotatably connected to the first rotating shaft, and a second end of the screw sleeve extends below the first rotating shaft;

[0014] a screw rod, a first end of which is coaxially inserted into the screw sleeve and threadedly connected to the screw sleeve, and a second end of which extends above the turntable;

[0015] a second connecting rod, a first end of which is hinged to the second end of the screw rod, and a second end of which is hinged to the slider;

[0016] a second rotating shaft, which is rotatably arranged on the machine body, wherein a first end of the second rotating shaft is drivingly connected to a second end of the screw sleeve;

[0017] a second motor, which is fixedly mounted on the machine body, wherein a power output shaft of the second motor is connected to the second end of the second rotating shaft via a clutch mechanism;

[0018] The clutch mechanism has a coupled state and a disengaged state that can be switched between each other;

[0019] Wherein, when the clutch mechanism is in the engaged state, the power output shaft of the second motor is in transmission connection with the second rotating shaft, so that the second motor can drive the second rotating shaft to rotate;

[0020] When the clutch mechanism is in a disengaged state, the power output shaft of the second motor is disconnected from the second rotating shaft, so that the second motor cannot drive the second rotating shaft to rotate.

[0021] Furthermore, the clutch mechanism includes:

[0022] a first friction wheel, coaxially sleeved on the second end of the second rotating shaft and fixedly connected to the second rotating shaft;

[0023] a second friction wheel coaxially sleeved on the power output shaft of the second motor, the second friction wheel being slidably connected to the power output shaft of the second motor so that the second friction wheel can move along the axis of the power output shaft of the second motor, and the second motor can also drive the second friction wheel to rotate; and

[0024] The driving structure is used to drive the second friction wheel to move so as to combine or separate the second friction wheel from the first friction wheel.

[0025] Furthermore, the driving structure includes:

[0026] a sliding seat, which is sleeved on the second friction wheel and is rotatably connected to the second friction wheel;

[0027] an electromagnet fixedly mounted on the machine body;

[0028] a permanent magnet fixedly disposed on the sliding seat, wherein the magnetism of the permanent magnet on the side opposite to the electromagnet is different, so that when the electromagnet is energized, a magnetic attraction force is generated between the electromagnet and the permanent magnet; and

[0029] The elastic member has two ends connected to the machine body and the sliding seat respectively, and in a natural state, the elastic member applies elastic force to the sliding seat so that the sliding seat has a tendency to move in a direction away from the first friction wheel.

[0030] Furthermore, the turntable includes a disc-shaped upper disc body and a lower disc body and a cylindrical barrel.

[0031] The upper plate and the lower plate are coaxially arranged, the cylinder is hollow and has two ends open, the cylinder is coaxially sleeved on the upper plate and the lower plate and fixedly connected to the upper plate and the lower plate;

[0032] The top and bottom of the slider are slidably connected to the upper plate and the lower plate respectively;

[0033] The first connecting rod is disposed in the cylinder.

[0034] Furthermore, the driving assembly further includes:

[0035] a balancing block having the same shape and weight as the slider, wherein the balancing block and the slider are symmetrically arranged on either side of the rotation centerline of the turntable; and

[0036] The third connecting rod has the same shape and weight as the second connecting rod, and the first end of the third connecting rod is hinged to the balancing block, and the second end of the third connecting rod is hinged to the screw rod.

[0037] Beneficial effects of the present invention:

[0038] The platelet oscillator provided by the present invention is provided with an adjustment component. When oscillating a large-capacity blood bag, the distance between the slider and the rotation center line of the turntable can be increased by the adjustment component, thereby increasing the oscillation amplitude; when oscillating a small-capacity blood bag, the distance between the slider and the rotation center line of the turntable can be reduced by the adjustment component, thereby reducing the oscillation amplitude. This achieves the purpose of being able to change the distance between the slider and the rotation center line of the turntable according to the situation to adjust the oscillation amplitude, thereby achieving the purpose of improving the versatility of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings required for the specific embodiments or the description of the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0040] Figure 1 A three-dimensional view of a platelet oscillator provided by one embodiment of the present invention;

[0041] Figure 2 for Figure 1 A cross-sectional view of a platelet oscillator is shown;

[0042] Figure 3 for Figure 2 An enlarged view of section A is shown;

[0043] Figure 4 for Figure 3 A partial cross-sectional view in the BB direction shown;

[0044] Figure 5 for Figure 1 An exploded perspective view of a drive assembly of a platelet oscillator is shown;

[0045] Figure 6 for Figure 1 A perspective view of the slider and counterweight of the platelet oscillator is shown.

[0046] Reference numerals:

[0047] 100. Machine body; 200. Oscillation frame; 310. Turntable; 311. Upper plate; 312. Lower plate; 313. Cylinder; 320. Slider; 330. First connecting rod; 340. First rotating shaft; 351. First motor; 352. First driving bevel gear; 352. First driven bevel gear; 361. Screw sleeve; 362. Screw; 363. Second connecting rod; 364. Second rotating shaft; 365. Second motor; 366. Second driving bevel gear; 367. Second driven bevel gear; 371. First friction wheel; 372. Second friction wheel; 373. Sliding seat; 374. Electromagnet; 375. Permanent magnet; 376. Elastic member; 380. Balance block; 390. Third connecting rod. DETAILED DESCRIPTION

[0048] The following embodiments of the technical solution of the present invention will be described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are therefore only examples and are not intended to limit the scope of protection of the present invention.

[0049] It should be noted that, unless otherwise specified, the technical or scientific terms used in this application should have the common meanings understood by those skilled in the art to which the present invention belongs.

[0050] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0051] In addition, the terms "first," "second," etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. In the description of the present invention, "plurality" means more than two, unless otherwise specifically defined.

[0052] In this application, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed or detachable connections, or integration; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0053] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0054] like Figures 1-6 As shown, the present invention provides a platelet oscillator comprising a body 100, an oscillation frame 200 mounted on the body 100, and a drive assembly for driving the oscillation frame 200 to oscillate. Specifically, the body 100 is provided with guide rails, and the oscillation frame 200 is movably mounted on the guide rails. During operation, the drive assembly drives the oscillation frame 200 to oscillate back and forth, thereby preventing platelet aggregation. These are all prior art and will not be elaborated on here.

[0055] In this embodiment, different from the prior art, the driving assembly includes a turntable 310, a slider 320, a first connecting rod 330, a first rotating shaft 340, a first motor 351 and an adjusting assembly.

[0056] The turntable 310 is rotatably connected to the housing 100 and defines a first mounting hole extending radially therefrom. A slider 320 is disposed in the first mounting hole and slidably connected to the turntable 310. Specifically, two retaining grooves are provided on either side of the slider 320, and guide rails are provided corresponding to the first mounting hole. The slider 320 slidably mounts on the guide rails.

[0057] The first end of the first connecting rod 330 is hinged to the oscillation frame 200, and the second end is hinged to the slider 320. The first rotating shaft 340 is coaxially arranged with the turntable 310 and fixedly connected to the turntable 310. The first motor 351 is fixedly mounted on the body 100, and the power output shaft of the first motor 351 is transmission-connected to the first rotating shaft 340. The power output shaft of the first motor 351 can be transmission-connected to the first rotating shaft 340 via a gear structure and a synchronous belt structure. In this embodiment, the bottom end of the first rotating shaft 340 is coaxially sleeved with a first driven bevel gear 352, and the power output shaft of the first motor 351 is coaxially sleeved with a first driving bevel gear 352, and the first driving bevel gear 352 is meshed with the first driven bevel gear 352.

[0058] The adjusting assembly is disposed on the machine body 100 , and is used to change the distance between the slider 320 and the rotation center line of the turntable 310 .

[0059] Preferably, the first motor 351 is a servo motor, a stepping motor, etc., so as to change the oscillation frequency by changing the rotation speed of the first motor 351 .

[0060] During operation, the first motor 351 drives the first rotating shaft 340 to rotate, and the first rotating shaft 340 drives the turntable 310 to rotate. Under the action of the connecting rod, the linear motion of the turntable 310 is converted into the reciprocating linear motion of the oscillation frame 200, thereby achieving the purpose of driving the oscillation frame 200 to oscillate back and forth.

[0061] During this process, the component driving slider 320 is moved by adjusting the need to change the distance between the slider 320 and the rotation center line of the turntable 310, thereby achieving the purpose of changing the oscillation amplitude of the oscillation frame 200, and then achieving the purpose of being able to adjust the vibration amplitude of the oscillation frame 200 according to the platelet preservation requirements, thereby achieving the purpose of improving its versatility.

[0062] Specifically, when a large-capacity blood bag is oscillated, the rotation speed of the first motor 351 increases to increase the oscillation frequency. At the same time, the adjustment component drives the slider 320 to move so that the distance between the slider 320 and the rotation center line of the turntable 310 increases, thereby increasing the oscillation amplitude; when a small-capacity blood bag is oscillated, the rotation speed of the first motor 351 decreases to reduce the oscillation frequency. At the same time, the adjustment component drives the slider 320 to move so that the distance between the slider 320 and the rotation center line of the turntable 310 shortens, thereby reducing the oscillation amplitude.

[0063] like Figure 2-Figure 5 As shown, in this embodiment, the adjustment assembly includes a screw sleeve 361, a screw rod 362, a second connecting rod 363, a second rotating shaft 364, a second motor 365 and a clutch mechanism.

[0064] The screw sleeve 361 is coaxially disposed with the first rotating shaft 340 and the rotating disk 310. The first end of the screw sleeve 361 is inserted into the first rotating shaft 340 and is rotatably connected to the first rotating shaft 340, and the second end extends below the first rotating shaft 340. The first end of the screw rod 362 is coaxially inserted into the screw sleeve 361 and is threadedly connected to the screw sleeve 361, and the second end extends above the rotating disk 310.

[0065] The first end of the second connecting rod 363 is hinged to the second end of the screw rod 362, and the second end is hinged to the slider 320. The second rotating shaft 364 is rotatably mounted on the body 100, and the first end of the second rotating shaft 364 is transmission-connected to the second end of the nut sleeve 361. Specifically, the first end of the second rotating shaft 364 and the second end of the nut sleeve 361 can be transmission-connected by a gear structure or by a synchronous belt structure. In the present embodiment, the second end coaxial sleeve of the nut sleeve 361 is provided with a second driven bevel gear 367, and the second end coaxial sleeve of the second rotating shaft 364 is provided with a second driving bevel gear 366, and the second driving bevel gear 366 is connected to the second driven bevel gear 367.

[0066] The second motor 365 is fixedly mounted on the body 100. The power output shaft of the second motor 365 is connected to the second end of the second rotating shaft 364 via a clutch mechanism. The clutch mechanism has a switchable engaged state and a disengaged state. When the clutch mechanism is in the engaged state, the power output shaft of the second motor 365 is in driving connection with the second rotating shaft 364, enabling the second motor 365 to drive the second rotating shaft 364 to rotate. When the clutch mechanism is in the disengaged state, the power output shaft of the second motor 365 is disconnected from the second rotating shaft 364, preventing the second motor 365 from driving the second rotating shaft 364 to rotate.

[0067] Preferably, the second motor 365 is a stepping motor or a servo motor, so as to control the number of rotations of the motor and thus accurately control the position of the slider 320 .

[0068] During normal operation, the first motor 351 drives the first rotating shaft 340 to rotate, the first rotating shaft 340 drives the rotating disk 310 to rotate, and the rotating disk 310 drives the slider 320 to rotate, thereby driving the oscillation frame 200 to oscillate back and forth via the first connecting rod 330. Simultaneously, the clutch mechanism separates the power output shaft of the second motor 365 from the second rotating shaft 364. As a result, during the rotation of the rotating disk 310, the rotating disk 310 does not drive the second motor 365 to rotate via the screw sleeve 361 and the second rotating shaft 364. Consequently, the screw sleeve 361 and the screw rod 362 do not rotate relative to each other due to the resistance of the second motor 365.

[0069] When the position of the slider 320 needs to be adjusted, the first motor 351 stops rotating, and the clutch mechanism combines the power output shaft of the second motor 365 with the second rotating shaft 364, so that the second motor 365 can drive the second rotating shaft 364 to rotate, and the second rotating shaft 364 drives the screw sleeve 361 to rotate. With the cooperation of the screw sleeve 361 and the thread, the screw rod 362 is driven to move along the axis of the turntable 310, and then the slider 320 is driven to move radially along the turntable 310 through the second connecting rod 363, so as to achieve the purpose of changing the distance between the rotation center line of the slider 320 and the turntable 310, thereby achieving the purpose of changing the oscillation amplitude of the oscillation frame 200.

[0070] The adjustment assembly in this embodiment achieves dynamic operation and static adjustment by providing a clutch mechanism. This not only prevents energy loss or motion interference caused by mechanical linkage during operation of the adjustment assembly, thereby improving the reliability of system operation, but also avoids unnecessary wear of the screw 362 and the screw sleeve 361 due to passive rotation during the oscillation process, thereby extending the service life of the threaded pair. At the same time, the threaded transmission is self-locking, eliminating the need for an additional locking structure to lock the movement of the slider 320. The threaded transmission also has high precision characteristics, and the extension length of the screw 362 can be accurately adjusted by controlling the number of motor rotations, thereby pushing the slider 320 to move radially along the turntable 310 through the second connecting rod 363, achieving stepless fine-tuning of the oscillation amplitude.

[0071] like Figure 3 and Figure 4 As shown, in this embodiment, the clutch mechanism includes a first friction wheel 371, a second friction wheel 372 and a driving structure.

[0072] The first friction wheel 371 is coaxially sleeved on the second end of the second rotating shaft 364 and fixedly connected to the second rotating shaft 364. The second friction wheel 372 is coaxially sleeved on the power output shaft of the second motor 365. The second friction wheel 372 is slidably connected to the power output shaft of the second motor 365 so that the second friction wheel 372 can move along the axis of the power output shaft of the second motor 365. At the same time, the second motor 365 can also drive the second friction wheel 372 to rotate.

[0073] The driving structure is used to drive the second friction wheel 372 to move, so that the second friction wheel 372 and the first friction wheel 371 are combined or separated.

[0074] During operation, the driving structure drives the second friction wheel 372 to move toward the direction close to the first friction wheel 371, so that the second friction wheel 372 combines with the first friction force, and the second motor 365 drives the second friction wheel 372 to rotate, and the second friction wheel 372 drives the first friction wheel 371 to rotate, and the first friction wheel 371 drives the second rotating shaft 364 to rotate, and the second rotating shaft 364 drives the screw sleeve 361 to rotate, and the screw sleeve 361 drives the screw rod 362 to move, and the screw rod 362 drives the slider 320 to move through the second connecting rod 363, thereby achieving the purpose of adjusting the position of the slider 320, thereby achieving the purpose of placing the clutch mechanism in a coupled state.

[0075] The driving structure drives the second friction wheel 372 to move away from the first friction wheel 371, so that the second friction wheel 372 is separated from the first friction wheel 371, so that the second motor 365 cannot transmit power to the first friction wheel 371, thereby achieving the purpose of placing the clutch mechanism in a disengaged state.

[0076] like Figure 2-Figure 5 As shown, in this embodiment, the driving structure includes a sliding seat 373 , an electromagnet 374 , a permanent magnet 375 and an elastic member 376 .

[0077] The sliding seat 373 is mounted on the second friction wheel 372 and is rotatably connected to the second friction wheel 372. The electromagnet 374 is fixedly mounted on the body 100. The permanent magnet 375 is fixedly mounted on the sliding seat 373. The magnetic properties of the permanent magnet 375 on the side opposite the electromagnet 374 are different. When the electromagnet 374 is energized, a magnetic attraction is generated between the electromagnet 374 and the permanent magnet 375. The ends of the elastic member 376 are connected to the body 100 and the sliding seat 373, respectively. In its natural state, the elastic member 376 applies an elastic force to the sliding seat 373, causing it to move away from the first friction wheel 371. Specifically, the elastic member 376 can be any component capable of applying an elastic force to the sliding seat 373, such as a gas spring, a hydraulic spring, or a spring. In this embodiment, the elastic member 376 is a spring, specifically a compression spring.

[0078] During operation, the electromagnet 374 is energized, thereby generating a magnetic attraction force between the electromagnet 374 and the permanent magnet 375. Under the action of this magnetic repulsion, the sliding seat 373 overcomes the elastic force of the elastic member 376 and moves toward the direction close to the first friction wheel 371, thereby causing the second friction wheel 372 to be combined with the first friction wheel 371, thereby achieving the purpose of placing the clutch mechanism in a combined state.

[0079] When the electromagnet 374 is powered off, the elastic member 376 causes the sliding seat 373 to move away from the first friction wheel 371 , thereby separating the second friction wheel 372 from the first friction wheel 371 , thereby placing the clutch mechanism in a disengaged state.

[0080] like Figure 2 、 Figure 3 and Figure 5 As shown, in this embodiment, the turntable 310 includes an upper disk body 311 , a lower disk body 312 and a cylinder body 313 .

[0081] The upper plate 311 and the lower plate 312 are disc-shaped and coaxially arranged. The cylinder 313 is cylindrical, hollow and open at both ends. The cylinder 313 is coaxially sleeved on the upper plate 311 and the lower plate 312 and fixedly connected to the upper plate 311 and the lower plate 312.

[0082] The top and bottom of the slider 320 are respectively slidably connected to the upper plate 311 and the lower plate 312. Specifically, the upper plate 311 and the lower plate 312 are each provided with a first mounting hole, and the first mounting holes of the upper plate 311 and the lower plate 312 are provided with guide rails. The top and bottom of the slider 320 are respectively slidably connected to the upper plate 311 and the lower plate 312 via the corresponding guide rails.

[0083] The first connecting rod 330 is disposed in the cylinder 313 .

[0084] The turntable 310 provided in this embodiment not only provides installation space for the connecting rod and reliably limits the slider 320, but also can reduce the distance between the hinge point between the turntable 310 and the first connecting rod 330 and the top of the turntable 310, thereby improving the stability of oscillation.

[0085] like Figure 2 、 Figure 3 、 Figure 5 and Figure 6 As shown, in this embodiment, the drive assembly further includes a balancing weight 380 and a third connecting rod 390. The balancing weight 380 and the slider 320 have the same shape and weight, and are symmetrically arranged on either side of the rotational centerline of the turntable 310. The third connecting rod 390 has the same shape and weight as the second connecting rod 363. A first end of the third connecting rod 390 is hingedly connected to the balancing weight 380, and a second end is hingedly connected to the screw 362.

[0086] During the process of adjusting the position of the slider 320 , the balancing block 380 will move synchronously with the slider 320 , thereby achieving the purpose of always maintaining balance.

[0087] In the description of the present invention, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures, and techniques are not shown in detail so as not to obscure the understanding of this description.

[0088] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

Claims

1. A platelet oscillator, comprising a body, an oscillation frame and a driving assembly for driving the oscillation frame to oscillate, characterized in that: The drive assembly includes: a turntable rotatably connected to the body, the turntable being provided with a first mounting hole extending radially thereof; a slider, which is arranged at the first mounting hole and is slidably connected to the turntable; a first connecting rod, a first end of which is hinged to the oscillation frame and a second end of which is hinged to the slider; a first rotating shaft, which is coaxially arranged with the rotating disk and fixedly connected to the rotating disk; A first motor is fixedly mounted on the machine body, wherein a power output shaft of the first motor is in driving connection with the first rotating shaft; and An adjusting component is arranged on the machine body, and is used to change the distance between the sliding block and the rotation center line of the turntable.

2. The platelet oscillator according to claim 1, characterized in that The adjustment component includes: a screw sleeve, which is coaxially arranged with the first rotating shaft and the rotating disk, wherein a first end of the screw sleeve is inserted into the first rotating shaft and is rotatably connected to the first rotating shaft, and a second end of the screw sleeve extends below the first rotating shaft; a screw rod, a first end of which is coaxially inserted into the screw sleeve and threadedly connected to the screw sleeve, and a second end of which extends above the turntable; a second connecting rod, a first end of which is hinged to the second end of the screw rod, and a second end of which is hinged to the slider; a second rotating shaft, which is rotatably arranged on the machine body, wherein a first end of the second rotating shaft is drivingly connected to a second end of the screw sleeve; a second motor, which is fixedly mounted on the machine body, wherein a power output shaft of the second motor is connected to the second end of the second rotating shaft via a clutch mechanism; The clutch mechanism has a coupled state and a disengaged state that can be switched between each other; Wherein, when the clutch mechanism is in the engaged state, the power output shaft of the second motor is in transmission connection with the second rotating shaft, so that the second motor can drive the second rotating shaft to rotate; When the clutch mechanism is in a disengaged state, the power output shaft of the second motor is disconnected from the second rotating shaft, so that the second motor cannot drive the second rotating shaft to rotate.

3. The platelet oscillator according to claim 2, characterized in that: The clutch mechanism comprises: a first friction wheel, coaxially sleeved on the second end of the second rotating shaft and fixedly connected to the second rotating shaft; a second friction wheel coaxially sleeved on the power output shaft of the second motor, the second friction wheel being slidably connected to the power output shaft of the second motor so that the second friction wheel can move along the axis of the power output shaft of the second motor, and the second motor can also drive the second friction wheel to rotate; and The driving structure is used to drive the second friction wheel to move so as to combine or separate the second friction wheel from the first friction wheel.

4. The platelet oscillator according to claim 3, characterized in that The driving structure includes: a sliding seat, which is sleeved on the second friction wheel and is rotatably connected to the second friction wheel; an electromagnet fixedly mounted on the machine body; a permanent magnet fixedly disposed on the sliding seat, wherein the magnetism of the permanent magnet on the side opposite to the electromagnet is different, so that when the electromagnet is energized, a magnetic attraction force is generated between the electromagnet and the permanent magnet; and The elastic member has two ends connected to the machine body and the sliding seat respectively, and in a natural state, the elastic member applies elastic force to the sliding seat so that the sliding seat has a tendency to move in a direction away from the first friction wheel.

5. The platelet oscillator according to any one of claims 1 to 4, characterized in that: The turntable comprises an upper disc body and a lower disc body in a disc shape and a cylinder body in a cylindrical shape. The upper plate and the lower plate are coaxially arranged, the cylinder is hollow and has two ends open, the cylinder is coaxially sleeved on the upper plate and the lower plate and fixedly connected to the upper plate and the lower plate; The top and bottom of the slider are slidably connected to the upper plate and the lower plate respectively; The first connecting rod is disposed in the cylinder.

6. The platelet oscillator according to claim 5, characterized in that: The drive assembly further includes: a balancing block having the same shape and weight as the slider, wherein the balancing block and the slider are symmetrically arranged on either side of the rotation centerline of the turntable; and The third connecting rod has the same shape and weight as the second connecting rod, and the first end of the third connecting rod is hinged to the balancing block, and the second end of the third connecting rod is hinged to the screw rod.

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