Centrifugal machine structure capable of outputting two rotating speeds simultaneously and achieving continuous separation

Abstract

The utility model discloses a centrifugal machine structure capable of outputting two rotating speeds simultaneously and achieving continuous separation. Comprising a base, a motor, a rotating support, a supporting bearing, a lower-layer planet wheel, a gear ring, an upper and lower planet wheel transmission shaft, a protective cover, a pipeline support, an upper-layer planet wheel, a sun wheel, a high-speed rotating disc, a pipe clamp, a rotating bearing, a rotation axis, a revolution axis, a mixed liquid load and a mixed liquid load connecting pipeline. According to the utility model, only one motor is used for driving, and two speeds V1 and V2 which are the same in direction, different in size and fixed in proportion are output at the same time through transmission of an upper-layer gear structure and a lower-layer gear structure inside. The high-speed turntable is provided with the mixed liquid load and rotates at a high speed V2, and the pipeline support is provided with the mixed liquid load connecting pipeline and rotates at a low speed V1, so that the mixed liquid load connecting pipeline is prevented from being wound during rotation, continuous separation of mixed liquid containing various component particles is realized, the separation efficiency is greatly improved, and time and cost are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal separation field especially relates to a centrifuge structure of continuous separation of two kinds of rotational speed output simultaneously. BACKGROUND

[0002] In blood component separation and biological experiment, centrifugal separation is often needed for mixed liquid containing various component particles. Different centrifugal speeds are applied to different component particles according to the difference of sedimentation coefficient caused by different densities, and different components are settled in turn, so as to realize centrifugal separation. SUMMARY

[0003] The utility model discloses a centrifuge structure of continuous separation of two kinds of rotational speed output simultaneously, under the drive of a motor, through upper and lower gear transmission structure, two kinds of rotational centrifugal speeds of same direction, different size and fixed proportion are realized simultaneously: low speed V1 and high speed V2. When application, mixed liquid load containing various component particles is placed on the high speed turntable of the utility model, and rotates at high speed V2, the connecting pipeline of mixed liquid load is placed on the pipeline support of the utility model, and rotates at low speed V1, V2 and V1 keep fixed proportion, prevent the winding of the connecting pipeline of mixed liquid load in rotation, realize the continuous separation of mixed liquid containing various component particles.

[0004] In order to realize the above-mentioned purpose, the technical scheme of the utility model is a centrifuge structure of continuous separation of two kinds of rotational speed output simultaneously, comprising: base, motor, rotating support, support bearing, lower planetary gear, gear ring, upper and lower planetary gear transmission shaft, protective cover, pipeline support, upper planetary gear, sun gear, high speed turntable, pipe clamp, rotating bearing, axis of rotation, axis of revolution, mixed liquid load, mixed liquid load connecting pipeline.

[0005] Preferably, the output end of the motor is connected with the rotating support through bolts, and drives the rotating support to rotate synchronously; the base is a stationary support component; the support bearing is arranged between the base and the rotating support, and ensures that the rotating support rotates stably; the gear ring is fastened on the base through bolts, and remains stationary.

[0006] Preferably, the upper and lower planetary gear transmission shafts are two symmetrical pieces installed on the rotating support, each of the upper and lower planetary gear transmission shafts can rotate around the axis of rotation and revolve around the axis of revolution synchronously with the motor under the drive of the rotating support.

[0007] Preferably, the protective cover and the pipeline support are fastened on the rotating support and rotate synchronously with the motor; the pipeline support is used for fixing the mixed liquid load connecting pipeline and driving the mixed liquid load connecting pipeline to rotate synchronously.

[0008] Preferably, the lower planetary gears and the upper planetary gears are two in each, and are fixed at the lower ends and the upper ends of the upper and lower planetary gear transmission shafts, respectively; the lower planetary gears and the upper planetary gears can revolve around the revolution axis synchronously with the upper and lower planetary gear transmission shafts and can rotate around the respective revolution axes.

[0009] Preferably, the high-speed rotating disc is fastened on the sun gear and is used for clamping the mixed liquid load; the high-speed rotating disc and the sun gear can rotate synchronously; the pipe clamp is fixed on the high-speed rotating disc and is used for clamping the interface of the mixed liquid load connecting pipeline.

[0010] Preferably, the rotating bearing is installed between the high-speed rotating disc, the sun gear and the rotating support, and plays a role of fixing support and guaranteeing smooth rotation.

[0011] Preferably, the lower planetary gears, the ring gear, the upper planetary gears and the sun gear have the same modulus and pressure angle.

[0012] Preferably, the ring gear and the two lower planetary gears form a lower gear transmission structure, and the transmission ratio formed is the tooth number ratio of the ring gear and the lower planetary gears, which is a / b.

[0013] Preferably, the two upper planetary gears and the sun gear form an upper gear transmission structure, and the transmission ratio formed is the tooth number ratio of the upper planetary gears and the sun gear, which is b / a.

[0014] The centrifuge structure capable of continuously separating two kinds of rotating speeds simultaneously has the advantages that only one motor is used for driving, and two rotating centrifugal speeds V1 and V2 of the same direction, different sizes and fixed proportion are simultaneously output through the transmission of the internal upper and lower gear structures. The mixed liquid load is installed on the high-speed rotating disc of the centrifuge structure and rotates at a high speed V2, and the connecting pipeline of the mixed liquid load is installed on the pipeline support of the centrifuge structure and rotates at a low speed V1. The high speed V2 and the low speed V1 are kept in a fixed proportion, so that the connecting pipeline of the mixed liquid load can be prevented from being wound when rotating, and the continuous separation of the mixed liquid containing multiple component particles is realized. The continuous separation mode realized by the centrifuge structure greatly improves the separation efficiency and saves time and cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a front view of the sectional structure of the centrifuge structure.

[0016] Fig. 2 This is a front cross-sectional view of the structure of the installation of the mixed liquid load and the connecting pipeline of the mixed liquid load according to this utility model.

[0017] Fig. 3 This is a top view of the structure of the installation of the mixed liquid load and the connecting pipeline of the mixed liquid load according to this utility model;

[0018] Fig. 4 This is a schematic diagram of the lower gear transmission structure of this utility model;

[0019] Fig. 5 This is a schematic diagram of the upper gear transmission structure of this utility model.

[0020] The labels in the attached diagram are explained as follows:

[0021] 1. Base; 2. Motor; 3. Rotating bracket; 4. Support bearing; 5. Lower planetary gear; 6. Gear ring; 7. Upper and lower planetary gear drive shafts; 8. Protective cover; 9. Pipe support; 10. Upper planetary gear; 11. Sun gear; 12. High-speed turntable; 13. Pipe clamp; 14. Rotating bearing; 15. Rotation axis; 16. Revolution axis; 17. Mixed liquid load; 18. Mixed liquid load connecting pipeline. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings. These descriptions are for illustrative purposes only and are not intended to limit the scope of the invention.

[0023] like Figs. 1-5 As shown, a centrifuge structure that can continuously separate and output two speeds simultaneously includes a base 1, a motor 2, a rotating bracket 3, a support bearing 4, a lower planetary gear 5, a gear ring 6, upper and lower planetary gear drive shafts 7, a protective cover 8, a pipe support 9, an upper planetary gear 10, a sun gear 11, a high-speed turntable 12, a pipe clamp 13, a rotating bearing 14, a rotation axis 15, a revolution axis 16, a mixed liquid load 17, and a mixed liquid load connecting pipe 18.

[0024] The output end of motor 2 is connected to the rotating bracket 3 by bolts, which drives the rotating bracket 3 to rotate synchronously; the base 1 is a stationary support component; a support bearing 4 is installed between the base 1 and the rotating bracket 3 to ensure that the rotating bracket 3 rotates smoothly; the gear ring 6 is fastened to the base 1 by bolts to keep it stationary.

[0025] There are two planetary gear drive shafts 7, which are symmetrically mounted on the rotating bracket 3. Each planetary gear drive shaft 7 can rotate around its own rotation axis 15, and can also revolve synchronously with the motor 2 around the revolution axis 16 under the drive of the rotating bracket 3.

[0026] The protective cover 8 and the pipeline support 9 are fastened on the rotating support 3 and rotate synchronously with the motor 2; the pipeline support 9 is used for fixing the mixed liquid load connecting pipeline 18 and drives the mixed liquid load connecting pipeline 18 to rotate synchronously.

[0027] The lower planetary gear 5 and the upper planetary gear 10 are each two pieces and are fixed on the lower end and the upper end of the upper and lower planetary gear transmission shaft 7, and the lower planetary gear 5 and the upper planetary gear 10 can rotate around the revolution axis 16 synchronously with the upper and lower planetary gear transmission shaft 7 and can rotate around the respective rotation axis 15.

[0028] The high-speed rotating disc 12 is fastened on the sun gear 11 and is used for clamping the mixed liquid load 17, and the high-speed rotating disc 12 and the sun gear 11 can rotate synchronously; the pipe clamp 13 is fixed on the high-speed rotating disc 12 and is used for clamping the interface of the mixed liquid load connecting pipeline 18.

[0029] The rotating bearing 14 is installed among the high-speed rotating disc 12, the sun gear 11 and the rotating support 3 and plays a role of fixing support and guaranteeing rotation stability.

[0030] The lower planetary gear 5, the gear ring 6, the upper planetary gear 10 and the sun gear 11 have the same modulus and pressure angle.

[0031] The gear ring 6 and the two lower planetary gears 5 form the lower gear transmission structure, and the transmission ratio formed is the tooth number ratio of the gear ring 6 and the lower planetary gear 5, that is, a / b.

[0032] The two upper planetary gears 10 and the sun gear 11 form the upper gear transmission structure, and the transmission ratio formed is the tooth number ratio of the upper planetary gear 10 and the sun gear 11, that is, b / a.

[0033] The working principle of the utility model is as follows:

[0034] The output principle of low speed: when the motor 2 rotates at the speed V1, the rotating support 3 directly connected with the motor 2, the protective cover 8 and the pipeline support 9 directly connected with the rotating support 3 rotate around the revolution axis 16 at the same time, and the speed is also V1, so that the output of low speed V1 is realized.

[0035] The output principle of high rotation speed: when the motor 2 rotates at the speed V1, the rotating support 3 directly connected with the motor 2, the two upper and lower planetary wheel transmission shafts 7 assembled on the rotating support 3, the lower layer planetary wheel 5 and the upper layer planetary wheel 10 assembled on the upper and lower planetary wheel transmission shafts 7 rotate simultaneously around the revolution axis 16, and the speed is also V1. At the same time, in the lower layer gear transmission structure composed of the gear ring 6 and the two lower layer planetary wheels 5, the gear ring 6 is fixed, and due to the transmission ratio a / b of the lower layer gear structure, the lower layer planetary wheel 5 rotates around the revolution axis 15 at the rotation speed V'. Under the drive of the lower layer planetary wheel 5, the upper and lower planetary wheel transmission shaft 7 and the upper layer planetary wheel 10 rotate around the revolution axis 15 at the same rotation speed V'. In the upper layer gear transmission structure composed of the two upper layer planetary wheels 10 and the sun gear 11, due to the transmission ratio b / a of the upper layer gear structure, the sun gear 11 rotates around the revolution axis 16 at the combined speed V2. V2 is consistent with the rotation direction of V1, and V2 is greater than V1. Under the drive of the sun gear 11, the high-speed rotating disc 12 directly connected with the sun gear 11 also rotates around the revolution axis 16 at the speed V2, and the output of high rotation speed V2 is realized.

[0036] Based on the above, the utility model discloses a kind of simultaneously outputting two kinds of rotation speed's continuous separation centrifuge structure of separation, under the premise of only one motor, simultaneously in protective cover 8, pipeline support 9 output rotary centrifugal speed V1, in high-speed rotating disc 12 output rotary centrifugal speed V2, two speeds V1 and V2 direction are same, size is different and proportion is fixed, mixed liquid load 17 with multiple components particles is placed on high-speed rotating disc 12, rotates at high speed V2, the connecting pipeline 18 of mixed liquid load is placed on pipeline support 9, rotates at low speed V1, high speed V2 and low speed V1 keep fixed proportion, both prevent the connecting pipeline 18 of mixed liquid load from winding in rotation and realize the continuous separation of mixed liquid containing multiple components particles.

[0037] The above content is only for illustrating the technical idea of the utility model, and cannot limit the protection scope of the utility model, and any modification made on the basis of technical scheme according to the technical idea of the utility model falls within the protection scope of the utility model claim.

Claims

1. A continuously separable centrifuge structure that simultaneously outputs two rotational speeds, characterized by, It includes: Base, motor, rotating support, support bearing, lower planetary gear, gear ring, upper and lower planetary gear transmission shaft, protective cover, pipeline support, upper planetary gear, sun gear, high-speed turntable, pipe clamp, rotating bearing, axis of rotation, axis of revolution, mixed liquid load, mixed liquid load connecting pipeline.

2. The structure of a continuously separable centrifuge capable of simultaneously outputting two rotational speeds according to claim 1, characterized in that, The output end of the motor is connected with the rotating support through bolts to drive the rotating support to rotate synchronously; the base is a stationary support component; the support bearing is installed between the base and the rotating support to ensure smooth rotation of the rotating support; The gear ring is fastened on the base by bolts and remains stationary.

3. The structure of a continuous separable centrifuge which simultaneously outputs two rotational speeds according to claim 1, characterized in that, The upper and lower planetary gear transmission shafts are symmetrical and installed on the rotating support; each of the upper and lower planetary gear transmission shafts can rotate around the axis of rotation and revolve around the axis of revolution synchronously under the drive of the rotating support.

4. The continuously separable centrifuge structure for simultaneously outputting two rotational speeds according to claim 1, characterized in that, The protective cover and the pipeline support are fastened on the rotating support and revolve synchronously with the motor; the pipeline support is used to fix the mixed liquid load connecting pipeline and drive it to revolve synchronously.

5. The continuously separable centrifuge structure for simultaneously outputting two rotational speeds according to claim 1, characterized in that, The lower planetary gear and the upper planetary gear are two pieces each and are fixed on the lower end and the upper end of the upper and lower planetary gear transmission shafts; the lower planetary gear and the upper planetary gear can revolve synchronously around the axis of revolution with the upper and lower planetary gear transmission shafts and rotate around the axis of rotation.

6. The continuously separable centrifuge structure for simultaneously outputting two rotational speeds according to claim 1, characterized in that, The high-speed turntable is fastened on the sun gear and used to clamp the mixed liquid load; the high-speed turntable and the sun gear can revolve synchronously; the pipe clamp is fixed on the high-speed turntable and used to clamp the interface of the mixed liquid load connecting pipeline.

7. The continuously separable centrifuge structure for simultaneously outputting two rotational speeds according to claim 1, characterized in that, The rotating bearing is installed between the high-speed turntable, the sun gear and the rotating support to play a role in fixing and supporting and ensuring smooth rotation.

8. The continuously separable centrifuge structure for simultaneously outputting two rotational speeds according to claim 1, characterized in that, The lower planetary gear, the gear ring, the upper planetary gear and the sun gear have the same modulus and pressure angle.

9. The continuously separable centrifuge structure for simultaneously outputting two rotational speeds according to claim 1, characterized in that, The gear ring and the two lower planetary gears form a lower gear transmission structure, and the transmission ratio is the ratio of the number of teeth of the gear ring and the lower planetary gears, which is a / b.

10. The continuously separable centrifuge structure for simultaneously outputting two rotational speeds according to claim 1, characterized in that, The two upper planetary gears and the sun gear form an upper gear transmission structure, and the transmission ratio is the ratio of the number of teeth of the upper planetary gears and the sun gear, which is b / a.

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