Automatic mass balancing device for blood centrifugation

Abstract

The utility model discloses an automatic mass balancing device for blood centrifugation. Comprising a base, a connecting plate fixedly connected with the side wall of the base, a jacking body in vertical sliding contact connection with the connecting plate, and vertical sliding grooves oppositely formed in the connecting plate, the jacking body and the base; the lifting driving unit is used for controlling the height position of the jacking body, the weighing table is connected with the output end of the equidistant height adjusting unit, the balancing cup is placed above the weighing table, and the mass balancing unit is fixed to the front side of the jacking body and used for adding mass particles into the balancing cup. By adopting the lifting driving unit and the equidistant height adjusting unit, the distance between the adjacent balancing cups is equivalently adjusted, so that the problem that the sizes of different blood products are different and the requirements for the sizes of the balancing cups are different in the current work is fully considered, and the mounting adaptability problem of the balancing cups with different sizes corresponds to the balancing cups with different sizes, and the flexible adjustment of the placement height of the balancing cups is realized.

Description

TECHNICAL FIELD

[0001] The embodiment of the utility model belongs to the quality balance technical field, more particularly, relate to a blood centrifugal automatic quality balance device. BACKGROUND

[0002] At present, the separation of red blood cells and plasma is based on the difference in specific gravity of the two, through large capacity low temperature centrifuge, so that the two are stratified, and then separated by the corresponding equipment. The blood centrifuge effect is an important factor to determine the separation quality, and in addition to the performance of the centrifuge, the balance is very important, the centrifugal process needs to withstand about 4600G centrifugal force, usually a single centrifuge cup containing blood weighs about 1500g, and the balance error needs to be controlled within ±5g. In actual work, repeated weighing and balancing operations are often required, resulting in low work efficiency, therefore, an automatic quality balancing device for efficient blood centrifugation is urgently needed.

[0003] In order to solve the above technical problems, Chinese invention patent CN104061988B discloses an intelligent blood centrifugal balancing instrument and a balancing method, which is characterized by: the balancing material includes a plastic balancing rod and a filler, the plastic balancing rod is a hollow rod with an open end, and a plug or a flexible closing cover is arranged at the open end, the balancing filler is a liquid, a balancing filler bin is arranged on the case of the intelligent balancing instrument, six independent feeding pipes are connected to the discharge port of the balancing filler bin, and each feeding pipe is provided with an electromagnetic valve. The magnetic core push rod of the push electromagnetic iron drives the feeding port of the feeding pipe to move and butt joint with the plastic balancing rod in the centrifugal liner on the corresponding electronic scale tray after feeding, and then resets. The push electromagnetic iron, electromagnetic valve and weighing sensor are connected with the single-chip board respectively. The balancing is simple, fast and accurate, and the degree of automation is high. The balancing material structure is reasonable, convenient to fill and can effectively prevent the formation of centrifugal dead space and reduce the risk of centrifugal damage.

[0004] The above-mentioned patent technology adopts an automatic method, which realizes the balancing effect to some extent, but still has the following technical problems or improvement directions: (1) during the work process, different blood products have different sizes, which leads to the technical problem that the size of the balancing cup containing the blood product needs to be adjusted, and the above-mentioned patent technology does not consider the installation adaptability problem of different size balancing cups; (2) the overall structure complexity of the device should be simplified as much as possible, and the volume should be reduced, so as to prevent the problem of low efficiency occupation in limited medical space. UTILITY MODEL CONTENTS

[0005] To address the aforementioned deficiencies or improvement needs of existing technologies, this utility model provides an automatic mass balancing device for blood centrifugation. By employing a lifting drive unit and an equidistant height adjustment unit, it achieves equal adjustment of the distance between adjacent balancing cups, thus fully considering the different sizes of different blood products in current work and the different requirements for balancing cup sizes. This addresses the issue of the compatibility of balancing cups of different sizes, enabling flexible adjustment of the balancing cup placement height.

[0006] To achieve the above objectives, an automatic mass balancing device for blood centrifugation includes:

[0007] The base includes a base, a connecting plate fixedly connected to the side wall of the base, a lifting body that is vertically slidably connected to the connecting plate, and a vertical sliding groove formed in the connecting plate, the lifting body and the base.

[0008] A lifting drive unit for controlling the height position of the lifting body, an equidistant height adjustment unit installed between the base and the lifting body via a vertical sliding groove, a weighing platform connected to the output end of the equidistant height adjustment unit, a balancing cup placed above the weighing platform, and a mass balancing unit fixed to the front side of the lifting body for adding mass particles into the balancing cup.

[0009] The lifting drive unit controls the up and down movement of the lifting body, and the equidistant height adjustment unit follows the movement of the lifting body to achieve equal changes in the distance between each weighing platform. Based on the detection data of the weighing platform, the mass balancing unit adds mass particles to each balancing cup for balancing.

[0010] Preferably, the lifting drive unit includes:

[0011] A cross link is provided between the base and the lifting body, and a drive assembly is provided to drive the cross link to retract and extend.

[0012] The drive assembly includes a lifting drive motor fixed to the base, a transmission lead screw fixedly connected coaxially to the output shaft of the lifting drive motor, and a horizontal slider that maintains a linear transmission connection with the transmission lead screw; the horizontal slider is rotatably connected to one end of the cross link.

[0013] Preferably, the equidistant height adjustment unit includes:

[0014] The slide rod is vertically slidably connected to the vertical sliding groove, the toothed portions are provided on both sides of the slide rod, the intermediate transmission gear is meshed and installed between adjacent slide rods, the first protrusion and the second protrusion are respectively fixed to the center of the intermediate transmission gear and the slide rod, and the linear grooved rod is slidably connected to both the first protrusion and the second protrusion.

[0015] Preferably, the mass balancing unit includes:

[0016] The system includes a first storage chamber for storing balanced particles, fixedly connected to the lifting body; a loading port located above the first storage chamber; a connecting block fixed below the first storage chamber; an automatic telescopic rod vertically fixed to the connecting block; a carrier block fixed to the lower end of the automatic telescopic rod; a second storage chamber located within the carrier block; a feeding port and a receiving port respectively aligned and opened on the lower surface of the first storage chamber and the upper surface of the second storage chamber; an output pipe rotatably connected to the output end of the second storage chamber; a first valve and a second valve respectively located at the feeding port and the output end of the second storage chamber; and an anti-collision assembly for controlling the output pipe to rotate and make way to prevent collision with the weighing platform.

[0017] Preferably, the outlet anti-collision component includes:

[0018] The anti-collision adjustment motor is fixedly connected to the carrier block; a first gear is fixedly connected to the anti-collision adjustment motor on the same axis; and a second gear is provided on the side wall of the output tube. The second gear is meshed with the first gear. The output tube rotates as a whole by rotating the anti-collision adjustment motor.

[0019] Preferably, the automatic mass balancing device for blood centrifugation shown also includes a display.

[0020] In summary, compared with the prior art, the above-described technical solution conceived by this utility model can achieve the following beneficial effects:

[0021] (1) The present invention provides an automatic mass balancing device for blood centrifugation. By adopting a lifting drive unit and an equidistant height adjustment unit, the device achieves equal adjustment of the distance between adjacent balancing cups. This fully considers the different sizes of different blood products in the current work and the different requirements for the size of the balancing cups. The device also addresses the problem of the compatibility of balancing cups of different sizes, and realizes flexible adjustment of the balancing cup placement height.

[0022] (2) The automatic mass balancing device for blood centrifugation of this utility model effectively realizes the problem of retraction and compression of the device when it is not in use by adopting a cross linkage mechanism, thereby greatly preventing the problem of inefficient occupation in limited medical space. Attached Figure Description

[0023] Fig. 1 This is a schematic diagram of the overall structure of an automatic mass balancing device for blood centrifugation according to an embodiment of the present invention;

[0024] Fig. 2 This is a schematic diagram of the mass balancing unit structure of an automatic mass balancing device for blood centrifugation according to an embodiment of the present invention;

[0025] Fig. 3A partial enlarged view (A) shows an embodiment of the present invention: an automatic mass balancing device for blood centrifugation.

[0026] In all the accompanying drawings, the same reference numerals denote the same technical features, specifically: 1-base, 100-base, 110-connecting plate, 120-lifting body, 130-vertical sliding groove, 2-lifting drive unit, 201-lifting drive motor, 202-transmission screw, 203-horizontal slider, 204-cross linkage, 3-weighing platform, 4-balancing cup, 5-equidistant height adjustment unit, 501-slide rod, 502-toothed part, 503-first protrusion, 504 - Second protrusion, 505- Intermediate transmission gear, 506- Groove rod, 6- Mass balancing unit, 601- Loading port, 602- First storage chamber, 603- Feeding port, 604- Connecting block, 605- Automatic telescopic rod, 606- Second storage chamber, 607- Receiving port, 608- First valve, 609- Second valve, 6010- Output pipe, 6011- Anti-collision adjustment motor, 6012- First gear, 6013- Second gear, 7- Display. Detailed Implementation

[0027] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to 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 of this utility model.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0029] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present utility model and are not intended to limit the present utility model. Furthermore, the technical features involved in the various embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0031] like Figs. 1-3 As shown in this embodiment of the invention, the automatic mass balancing device for blood centrifugation includes:

[0032] The base 1 includes a base 100, a connecting plate 110 fixedly connected to the side wall of the base 100, a lifting body 120 that is vertically slidably connected to the connecting plate 110, and a vertical sliding groove 130 that is aligned and opened on the connecting plate 110, the lifting body 120 and the base 100.

[0033] The lifting drive unit 2 for controlling the height position of the lifting body 120, the equidistant height adjustment unit 5 installed between the base 100 and the lifting body 120 via the vertical sliding groove 130, the weighing platform 3 connected to the output end of the equidistant height adjustment unit 5, the balancing cup 4 placed above the weighing platform 3, and the mass balancing unit 6 fixed to the front side of the lifting body 120 for adding mass particles into the balancing cup 4.

[0034] The lifting drive unit 2 controls the lifting body 120 to move up and down. The equidistant height adjustment unit 5 follows the movement of the lifting body 120 to achieve equal changes in the spacing between each weighing platform 3. Based on the detection data of the weighing platform 3, the mass balancing unit 6 adds mass particles to each balancing cup 4 for balancing.

[0035] like Figs. 1-3 As shown in this embodiment of the invention, the lifting drive unit 2 includes:

[0036] A cross link 204 is provided between the base 100 and the lifting body 120, and a drive assembly is provided to drive the cross link 204 to retract and extend.

[0037] The drive assembly includes a lifting drive motor 201 fixed to the base 100, a transmission lead screw 202 coaxially fixedly connected to the output shaft of the lifting drive motor 201, and a horizontal slider 203 that maintains a linear transmission connection with the transmission lead screw 202; the horizontal slider 203 is rotatably connected to one end of the cross link 204.

[0038] like Fig. 1 As shown in this embodiment of the invention, the equidistant height adjustment unit 5 includes:

[0039] The slide rod 501 is vertically slidably connected to the vertical sliding groove 130; the toothed portion 502 is provided on both sides of the slide rod 501; the intermediate transmission gear 505 is meshed and installed between adjacent slide rods 501; the first protrusion 503 and the second protrusion 504 are respectively fixed to the center of the intermediate transmission gear 505 and the slide rod 501; and the linear groove rod 506 is slidably connected to both the first protrusion 503 and the second protrusion 504.

[0040] like Figs. 1-3 As shown in this embodiment of the invention, the mass balancing unit 6 includes:

[0041] The system includes a first storage chamber 602 for storing balanced particles, fixedly connected to the lifting body 120; a loading port 601 located above the first storage chamber 602; a connecting block 604 fixed below the first storage chamber 602; an automatic telescopic rod 605 vertically fixed to the connecting block 604; a carrier block fixed at the lower end of the automatic telescopic rod 605; a second storage chamber 606 located within the carrier block; a feeding port 603 and a receiving port 607 respectively aligned and opened on the lower surface of the first storage chamber 602 and the upper surface of the second storage chamber 606; an output pipe 6010 rotatably connected to the output end of the second storage chamber 606; a first valve 608 and a second valve 609 respectively located at the feeding port 603 and the output end of the second storage chamber 606; and an anti-collision assembly for controlling the output pipe 6010 to rotate and make way to prevent collision with the weighing platform 3.

[0042] like Fig. 3 As shown in this embodiment of the utility model, the outlet anti-collision component includes:

[0043] The anti-collision adjustment motor 6011 is fixedly connected to the carrier block, the first gear 6012 is fixedly connected to the anti-collision adjustment motor 6011 on the same axis, and the second gear 6013 is provided on the side wall of the output pipe 6010; the second gear 6013 is meshed with the first gear 6012; the output pipe 6010 is rotated as a whole by rotating the anti-collision adjustment motor 6011.

[0044] like Fig. 1 As shown in this embodiment of the invention, an automatic mass balancing device for blood centrifugation also includes a display.

[0045] The working principle of this utility model is as follows: First, a suitable balancing cup is selected according to the size of the blood product, and the lifting drive motor 201 is started to rotate, driving the cross linkage 204 to move, thereby realizing the height adjustment of the lifting body 120. Then, under the follow-up action of the equidistant height adjustment unit 5, the distance between each weighing platform is adjusted equally to achieve the appropriate height of the balancing cup. Next, the blood product is placed in the balancing cup and the quality is detected by the weighing platform 3. The detection data of each weighing platform guides the quality balancing unit 6 to perform quality distribution. During the quality distribution process, the lowering height is controlled by controlling the automatic telescopic rod 605 to target the balancing cup that needs to be balanced. The output pipe 6010 is rotated by controlling the anti-collision adjustment motor 6011 to prevent the quality balancing unit 6 from colliding with the weighing platform 3 during the descent process, and finally, automatic balancing is achieved.

[0046] In this embodiment of the utility model, by using the lifting drive unit 2 and the equidistant height adjustment unit 5, the distance between adjacent balancing cups is adjusted by an equal amount, thereby fully taking into account the different sizes of different blood products in the current work and the different requirements for the size of the balancing cups. This addresses the problem of the compatibility of balancing cups of different sizes, and realizes the flexible adjustment of the balancing cup placement height.

[0047] Furthermore, in this embodiment of the invention, by employing a cross-link mechanism, the problem of retracting and compressing the device when it is not in use is effectively achieved, thereby greatly preventing the problem of inefficient occupation in limited medical space.

[0048] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application. The above are merely preferred embodiments of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of this application, and these improvements and modifications should also be considered within the protection scope of this application.

Claims

1. An automatic mass balancing device for blood centrifugation, characterized in that, include: The base (1) includes a base (100), a connecting plate (110) fixedly connected to the side wall of the base (100), a lifting body (120) that is vertically slidably connected to the connecting plate (110), and a vertical sliding groove (130) formed in alignment with the connecting plate (110), the lifting body (120), and the base (100); A lifting drive unit (2) for controlling the height position of the lifting body (120), an equidistant height adjustment unit (5) installed between the base (100) and the lifting body (120) via a vertical sliding groove (130), a weighing platform (3) connected to the output end of the equidistant height adjustment unit (5), a balancing cup (4) placed above the weighing platform (3), and a mass balancing unit (6) fixed to the front side of the lifting body (120) for adding mass particles into the balancing cup (4); The lifting drive unit (2) controls the lifting body (120) to move up and down. The equal distance adjustment unit (5) follows the movement of the lifting body (120) to achieve equal changes in the spacing between each weighing platform (3). Based on the detection data of the weighing platform (3), mass particles are added to each balancing cup (4) for balancing through the mass balancing unit (6).

2. The automatic mass balancing device for blood centrifugation according to claim 1, characterized in that, The lifting drive unit (2) includes: A cross link (204) is provided between the base (100) and the lifting body (120), and a drive assembly for driving the cross link (204) to retract and extend. The drive assembly includes a lifting drive motor (201) fixed to the base (100), a transmission lead screw (202) coaxially fixedly connected to the output shaft of the lifting drive motor (201), and a horizontal slider (203) that maintains a linear transmission connection with the transmission lead screw (202); the horizontal slider (203) is rotatably connected to one end of the cross link (204).

3. The automatic mass balancing device for blood centrifugation according to claim 2, characterized in that, The equidistant height adjustment unit (5) includes: The slide rod (501) is vertically slidably connected to the vertical sliding groove (130), the toothed portion (502) is provided on both sides of the slide rod (501), the intermediate transmission gear (505) is meshed and installed between adjacent slide rods (501), the first protrusion (503) and the second protrusion (504) are respectively fixed to the center of the intermediate transmission gear (505) and the slide rod (501), and the linear groove rod (506) is slidably connected to both the first protrusion (503) and the second protrusion (504).

4. The automatic mass balancing device for blood centrifugation according to claim 3, characterized in that, The mass balancing unit (6) includes: The following components are fixedly connected to the lifting body (120) for storing balancing mass particles: a first storage chamber (602), a loading port (601) located above the first storage chamber (602), a connecting block (604) fixed below the first storage chamber (602), an automatic telescopic rod (605) vertically fixed to the connecting block (604), a carrier block fixed to the lower end of the automatic telescopic rod (605), and a second storage chamber (606) located within the carrier block. A feeding port (603) and a receiving port (607) are provided on the lower surface of the first storage chamber (602) and the upper surface of the second storage chamber (606); an output pipe (6010) is rotatably connected to the output end of the second storage chamber (606); a first valve (608) and a second valve (609) are respectively provided on the feeding port (603) and the output end of the second storage chamber (606); and an outlet anti-collision assembly is provided to control the output pipe (6010) to rotate and make way to prevent it from colliding with the weighing platform (3).

5. An automatic mass balancing device for blood centrifugation according to claim 4, characterized in that, The outlet anti-collision component includes: The anti-collision adjustment motor (6011) is fixedly connected to the carrier block, the first gear (6012) is fixedly connected to the anti-collision adjustment motor (6011) on the same axis, and the second gear (6013) is provided on the side wall of the output tube (6010); the second gear (6013) is meshed with the first gear (6012); the output tube (6010) is rotated as a whole by rotating the anti-collision adjustment motor (6011).

6. An automatic mass balancing device for blood centrifugation according to any one of claims 1 to 5, characterized in that, The automatic mass balancing device for blood centrifugation shown also includes a display.

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