CN218190305U - Automatic centrifuge of playback and rotation angle - Google Patents

Abstract

The utility model belongs to the technical field of centrifuge, a automatic playback and rotation angle's centrifuge is disclosed, including fixed bolster, inductor support and controller, the bottom fixed mounting of fixed bolster has first motor, the first rotation axis of output shaft fixedly connected with of first motor, alternate on the first rotation axis on the fixed bolster and rotate with the fixed bolster and be connected. The utility model does not need to arrange the sequence manually so as to achieve the centrifugal effect of the sample required by detection; can the snap-on in automatic check out test set, connect power and signal line, just can make centrifuge get back to the initial condition before centrifugation automatically, automatic rotation angle to save the usage space and the cost of equipment, under the prerequisite that guarantees that test tube initial condition is not in disorder, convenient automation discerns every test tube, improves automatic medical efficiency.

Description

A centrifuge with automatic homing and rotation angle

technical field

The utility model relates to the technical field of centrifuges, in particular to a centrifuge with automatic homing and rotation angle.

Background technique

A centrifuge is a machine that uses centrifugal force to separate components in a mixture of liquid and solid particles or liquid and liquid. The centrifuge is mainly used to separate the solid particles in the suspension from the liquid, or to separate two different densities and immiscible liquids in the emulsion (such as separating cream from milk); it can also be used to remove Liquid in wet solids, such as drying wet clothes with a washing machine; special ultra-speed tube separators can also separate gas mixtures of different densities; using the characteristics of different sedimentation velocities of solid particles of different densities or particle sizes in liquids, some sedimentation The centrifuge can also classify solid particles according to density or particle size. The existing centrifuges have the following deficiencies:

1. The current working principle of centrifugation is to use a single motor to connect with the centrifuge turntable and then rotate to achieve the centrifugation effect; the existing centrifuge cannot return to the original position before rotation after centrifugation;

2. The existing centrifuge technology cannot be well used in the field of automated medical care. Currently, after centrifugation, the serial numbers of the samples are manually rearranged for equipment identification and subsequent testing.

3. The use of existing centrifuges in automation equipment requires other auxiliary equipment other than the centrifuge to realize the position of the initial state and manual arrangement. The reason is that the motor cannot automatically find the original position and automatic rotation angle after rotation.

Utility model content

Aiming at the problems existing in the prior art, the purpose of the utility model is to provide a centrifuge with automatic homing and rotation angle, so as to overcome the defects of the background technology.

In order to solve the above problems, the utility model adopts the following technical solutions.

A centrifuge with automatic homing and rotation angle, including a fixed bracket, an inductor bracket and a controller, the bottom of the fixed bracket is fixed with a first motor, and the output shaft of the first motor is fixedly connected with a first rotating Shaft, the first rotating shaft is inserted on the fixed bracket and connected with the fixed bracket in rotation, the top of the first rotating shaft is equipped with a centrifugal plate, and the outer side of the centrifugal plate is integrally formed with homing bumps and evenly distributed The alignment bump, the sensor bracket is equipped with a counting sensor and a homing sensor, an auxiliary bracket is fixedly installed on the fixed bracket, a second motor is fixedly installed on the auxiliary bracket, and the second motor is fixed on the auxiliary bracket. The output shaft of the motor is sleeved with a second rotating shaft, the bottom of the second rotating shaft is fixedly connected to the centrifugal plate, and both the first motor and the second motor are electrically connected to the controller through wires.

As a further description of the above technical solution:

The centrifuge plate includes a centrifuge turntable, the first rotating shaft and the second rotating shaft are fixedly connected to the centrifuge turntable, the centrifuge turntable is interspersed with evenly distributed test tube holders, and the top of the centrifuge turntable A test tube cup cover is fixedly installed by bolts, and evenly distributed openings are opened on the test tube cup cover, and the openings are located on the top of the test tube seat.

As a further description of the above technical solution:

The homing bumps are integrally formed on the test tube cup cover, the alignment bumps are integrally formed on the centrifuge turntable, the alignment bumps correspond to the test tube holders one by one, and the counting sensor and homing sensor The device detects the alignment bump and the homing bump respectively.

As a further description of the above technical solution:

Two bearings are fixedly installed on the inner side of the fixed bracket, and the first rotating shaft is inserted between the two bearings and fixedly connected with the bearings.

As a further description of the above technical solution:

The diameter of the port is slightly larger than the inner diameter of the test tube holder.

As a further description of the above technical solution:

The auxiliary bracket is C-shaped, the centrifugal plate is located inside the auxiliary bracket, the sensor bracket is L-shaped, and the counting sensor and homing sensor are located on the side of the centrifugal plate.

Compared with the prior art, the utility model has the advantages of:

This solution, used in fully automated testing equipment, does not need to be manually arranged in order to achieve the centrifugation effect of the sample required for testing; it can be directly fixed in the automated testing equipment, connected to the power supply and signal line, and the centrifuge can automatically return to the The initial state before centrifugation automatically rotates the angle, thereby saving the space and cost of the equipment. On the premise of ensuring that the initial state of the test tube is not messy, it is convenient to automatically identify each test tube and improve the efficiency of automated medical care.

Description of drawings

Fig. 1 is the front structural schematic diagram of the utility model;

Fig. 2 is the top view structural representation of the utility model;

Fig. 3 is the structural representation of the utility model;

Fig. 4 is the partial sectional structure schematic diagram of the utility model;

Fig. 5 is a partial cross-sectional front view structural diagram of the utility model.

Explanation of symbols in the figure:

1. Fixed bracket; 2. First motor; 3. First rotating shaft; 4. Centrifuge plate; 41. Centrifuge turntable; 42. Test tube holder; 43. Test tube cup cover; 5. Alignment bump; 6. Induction 7. Counting sensor; 8. Homing sensor; 9. Homing bump; 10. Auxiliary bracket; 11. Second motor; 12. Second rotating shaft; 13. Bearing; 14. Controller.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention;

Please refer to Figures 1 to 5. In the utility model, a centrifuge with automatic homing and rotation angle includes a fixed bracket 1, an inductor bracket 6 and a controller 14. The bottom of the fixed bracket 1 is fixedly equipped with a first motor 2. , the output shaft of the first motor 2 is fixedly connected with the first rotating shaft 3, the first rotating shaft 3 is inserted on the fixed bracket 1 and connected with the fixed bracket 1 in rotation, the top of the first rotating shaft 3 is equipped with a centrifugal plate 4, The outer side of the centrifugal plate 4 is integrally formed with homing bumps 9 and evenly distributed alignment bumps 5, the counting sensor 7 and the homing sensor 8 are installed on the sensor bracket 6, and the auxiliary bracket is fixedly installed on the fixed bracket 1 10. The second motor 11 is fixedly installed on the auxiliary bracket 10, the output shaft of the second motor 11 is sleeved with the second rotating shaft 12, the bottom of the second rotating shaft 12 is fixedly connected with the centrifugal plate 4, and the counting sensor 7 , the homing sensor 8 , the first motor 2 and the second motor 11 are all electrically connected to the controller 14 through wires.

In the utility model, the second motor 11 and the first motor 2 are arranged respectively at the top and the bottom of the centrifugal plate 4, and the output shafts of the centrifugal plate 4 and the two motors are connected by the second rotating shaft 12 and the first rotating shaft 3 Connect, so that the centrifugal plate 4 can be driven to rotate after the second motor 11 and the first motor 2 are energized. When centrifugal work is required, the test tube is placed on the centrifugal plate 4, and the controller 14 controls the first motor 2 to be energized. , and the second motor 11 is powered off, wherein the second motor 11 is not self-locking, thereby driving the centrifugal plate 4 to perform high-speed rotation for centrifugal work. When it is necessary to restore the initial position before the centrifugal, the first motor 2 is not self-locking when the power is off. The second motor 11 is energized to work, driving the centrifugal plate 4 to rotate slowly until the homing sensor 8 detects the position of the homing bump 9, and judges that the centrifugal plate 4 is reset, thereby ensuring that the test tube number on the centrifugal plate 4 is the same as the initial one , when counting the number detected by the sensor 7 against the alignment bump 5, the rotation angle of the centrifugal plate 4 is judged, and the controller 14 controls the rotation of the second motor 11 in this way, which is used in a fully automatic detection device without manual labor Arrange the order to achieve the sample centrifugation effect required for detection; it can be directly fixed in the automatic detection equipment, connect the power supply and signal line, and the centrifuge can automatically return to the initial state before centrifugation, and automatically rotate the angle, thus saving the use of equipment Space and cost, on the premise of ensuring that the initial state of the test tube is not messy, it is convenient to automatically identify each test tube and improve the efficiency of automated medical treatment.

Please refer to Figs. 1-5, wherein: the centrifuge plate 4 includes a centrifuge turntable 41, the first rotating shaft 3 and the second rotating shaft 12 are fixedly connected with the centrifuge turntable 41, and evenly distributed test tubes are interspersed on the centrifuge turntable 41 Seat 42, the top of centrifuge turntable 41 is fixedly equipped with test tube cup cover 43 by bolt, offers the port of uniform distribution on the test tube cup cover 43, and port is positioned at the top of test tube seat 42.

In the utility model, the placement of the test tube is facilitated by the test tube holder 42 on the centrifuge turntable 41 to ensure the stability of the test tube, and the test tube cup cover 43 is used to limit and fix the test tube holder 42 on the centrifuge turntable 41 to facilitate the placement of the test tube holder 42. Disassembly and replacement.

Please refer to Figures 1, 2, 4 and 5, wherein: the homing bump 9 is integrally formed on the test tube cup cover 43, the alignment bump 5 is integrally formed on the centrifuge turntable 41, the alignment bump 5 and the test tube holder 42 In one-to-one correspondence, the counting sensor 7 and the homing sensor 8 respectively detect the alignment bump 5 and the homing bump 9 .

In the utility model, several alignment bumps 5 correspond to the position of each test tube holder 42 respectively, and the intervals of each alignment bump 5 are equal, thereby making it convenient to judge the rotation angle of the centrifuge turntable 41 and to control the second motor 11, and each time the homing bump 9 is detected, the centrifuge turntable 41 rotates once, and when the homing bump 9 is detected, the centrifuge turntable 41 is in the initial state.

Please refer to FIG. 4 and FIG. 5 , wherein: two bearings 13 are fixedly installed on the inner side of the fixed bracket 1 , and the first rotating shaft 3 is inserted between the two bearings 13 and is fixedly connected with the bearings 13 .

In the present invention, the bearing 13 facilitates the rotation of the first rotating shaft 3 inside the fixed bracket 1 .

Please refer to Fig. 2～5, wherein: the diameter of port is slightly greater than the inner diameter of test tube holder 42.

In the present invention, it is ensured that the test tube can be inserted into the inner side of the test tube holder 42 from the opening.

Please refer to Figures 3 to 5, wherein: the auxiliary support 10 is C-shaped, the centrifugal plate 4 is located inside the auxiliary support 10, the sensor support 6 is L-shaped, and the counting sensor 7 and homing sensor 8 are located on the side of the centrifugal plate 4 side.

In the utility model, the structure is scientific and reasonable, and the reliability and stability are higher.

Working principle: by setting the second motor 11 and the first motor 2 on the top and bottom of the centrifugal plate 4 respectively, and connecting the centrifugal plate 4 and the output shafts of the two motors through the second rotating shaft 12 and the first rotating shaft 3 , so that after the second motor 11 and the first motor 2 are energized, the centrifugal plate 4 can be driven to rotate. When centrifugal work is required, the test tube is placed on the centrifugal plate 4, and the controller 14 controls the first motor 2. The second motor 11 is powered off, wherein the second motor 11 is not self-locking, thereby driving the centrifugal plate 4 to perform high-speed rotation for centrifugation. When it is necessary to restore the initial position before the centrifugation, the first motor 2 is not self-locking when the power is off, and the second motor 2 is not self-locking. The second motor 11 is energized to work, driving the centrifugal plate 4 to rotate slowly until the homing sensor 8 detects the position of the homing bump 9, and judges that the centrifugal plate 4 is reset, thereby ensuring that the test tube number on the centrifugal plate 4 is the same as the initial one. Count the number of alignment bumps 5 detected by the sensor 7 to determine the rotation angle of the centrifugal plate 4, and the controller 14 controls the rotation of the second motor 11 in this way. It is used in fully automatic detection equipment and does not need to be manually arranged. order to achieve the sample centrifugation effect required for detection; it can be directly fixed in the automatic detection equipment, connected to the power supply and signal line, the centrifuge can automatically return to the initial state before centrifugation, and automatically rotate the angle, thereby saving the use of equipment space and Cost, on the premise of ensuring that the initial state of the test tube is not messy, it is convenient to automatically identify each test tube and improve the efficiency of automated medical treatment.

The above description is only a preferred embodiment of the present utility model; however, the protection scope of the present utility model is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in the utility model, according to the technical solution of the utility model and its improvement concept to make an equivalent replacement or change, shall be covered in the protection scope of the utility model.

Claims (6)

1. A centrifuge with automatic homing and rotation angle, including a fixed bracket (1), an inductor bracket (6) and a controller (14), characterized in that: the bottom of the fixed bracket (1) is fixedly installed with The first motor (2), the output shaft of the first motor (2) is fixedly connected with the first rotating shaft (3), and the first rotating shaft (3) is inserted on the fixed bracket (1) and connected with the fixed The bracket (1) is rotationally connected, the top of the first rotating shaft (3) is equipped with a centrifugal plate (4), and the outer side of the centrifugal plate (4) is integrally formed with homing bumps (9) and evenly distributed opposing The position bump (5), the counting sensor (7) and the homing sensor (8) are installed on the sensor bracket (6), the auxiliary bracket (10) is fixedly installed on the fixed bracket (1), The second motor (11) is fixedly installed on the auxiliary bracket (10), the output shaft of the second motor (11) is sleeved with a second rotating shaft (12), and the second rotating shaft (12 ) is fixedly connected to the centrifugal plate (4), and the counting sensor (7), homing sensor (8), first motor (2) and second motor (11) are all connected to the controller (14) through wires ) are electrically connected. 2. A centrifuge with automatic homing and rotation angle according to claim 1, characterized in that: the centrifuge plate (4) includes a centrifuge turntable (41), and the first rotating shaft (3) The second rotating shaft (12) is fixedly connected with the centrifuge turntable (41), and evenly distributed test tube holders (42) are interspersed on the centrifuge turntable (41), and the top of the centrifuge turntable (41) passes through A test tube cup cover (43) is fixedly installed with bolts, and evenly distributed openings are opened on the test tube cup cover (43), and the openings are located on the top of the test tube holder (42). 3. A centrifuge with automatic homing and rotation angle according to claim 2, characterized in that: the homing protrusion (9) is integrally formed on the test tube cup cover (43), and the alignment protrusion The block (5) is integrally formed on the centrifuge turntable (41), the alignment bump (5) corresponds to the test tube holder (42) one by one, the counting sensor (7) and the homing sensor (8) Detect the alignment bump (5) and the homing bump (9) respectively. 4. A centrifuge with automatic homing and rotation angle according to claim 1, characterized in that: two bearings (13) are fixedly installed on the inner side of the fixed bracket (1), and the first rotating shaft (3) is inserted between the two bearings (13) and fixedly connected with the bearing (13). 5. A centrifuge with automatic homing and rotation angle according to claim 2, characterized in that: the diameter of the port is slightly larger than the inner diameter of the test tube holder (42). 6. A centrifuge with automatic homing and rotation angle according to claim 1, characterized in that: the auxiliary bracket (10) is C-shaped, and the centrifugal plate (4) is located on the side of the auxiliary bracket (10) Inside, the sensor bracket (6) is L-shaped, and the counting sensor (7) and homing sensor (8) are located on the side of the centrifugal plate (4).

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