Centrifugal conveying device for test tube centrifugation

Abstract

The utility model relates to the technical field of test tube centrifugation, in particular to a centrifugal conveying device for test tube centrifugation, which comprises a conveyor and a multi-axis manipulator, the conveyor is n-shaped, the multi-axis manipulator is positioned in the middle of the conveyor, centrifugal machines are arranged at two corners of the conveyor, and the multi-axis manipulator is positioned in the middle of the conveyor. Placing plates are fixed to the two corners of the top of the conveyor, placing grooves are symmetrically formed in the tops of the placing plates, discharging openings are formed in the centers of the placing plates, the two discharging openings are located over the two centrifugal machines correspondingly, and test tube racks are placed in the placing grooves; the conveyor is provided with a loading assembly used for placing test tubes, the multi-axis mechanical arm is provided with a gripper assembly used for clamping the test tubes, and the continuous centrifugal conveying device has the advantages that the two centrifugal machines can be alternately used, continuous centrifugal operation and conveying operation can be carried out on the test tubes, and therefore the centrifugal efficiency of the test tubes can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of test tube centrifugation, in particular to a centrifugal conveying device for test tube centrifugation. Background Art

[0002] Test tube centrifugation is an experimental procedure used to separate different components in a mixture. During the centrifugation process, the mixture in the test tube will be subjected to the centrifugal force of the centrifuge, causing the components to be separated according to their density or size. This makes it easy to separate the required components for subsequent experimental operations.

[0003] Although the current equipment for automatic test tube centrifugation can realize the functions of centrifugation and automatic transportation, it is usually equipped with a single centrifuge, which causes the equipment to wait while the centrifuge is centrifuging the test tube, wasting a lot of time and being detrimental to the test tube centrifugation efficiency.

[0004] But therefore, it is necessary to invent a kind of centrifugal conveying device for test tube centrifugation. Utility Model Content

[0005] To this end, the utility model provides a centrifugal conveying device for test tube centrifugation to solve the problem that although the current equipment used for automatic test tube centrifugation can realize the functions of centrifugation and automatic conveying, it is usually equipped with a single centrifuge, resulting in the centrifuge The device needs to wait during the centrifuge process of the test tube, which wastes a lot of time and is not conducive to the test tube centrifugation efficiency.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a centrifugal conveying device for test tube centrifugation, comprising a conveyor and a multi-axis manipulator, the conveyor is in a "J" shape, the multi-axis manipulator is located in the middle of the conveyor, centrifuges are arranged at two corners of the conveyor, placement plates are fixed at two corners of the top of the conveyor, placement grooves are symmetrically arranged on the top of the placement plates, discharge ports are arranged in the center of the placement plates, and the two discharge ports are respectively located directly above the two centrifuges, test tube racks are placed in the placement grooves, a loading assembly for placing test tubes is arranged on the conveyor, and a gripper assembly for clamping test tubes is arranged on the multi-axis manipulator.

[0007] Preferably, the loading assembly comprises a plurality of loading seats, and the bottoms of the plurality of loading seats are evenly fixed on the conveyor belt of the conveyor.

[0008] Preferably, a test tube socket is provided on the top of the loading seat, and a plurality of positioning fins are provided in a circular array at the top edge of the loading seat.

[0009] Preferably, the gripper assembly includes a first electric push rod, the first electric push rod is fixed on the multi-axis manipulator, and a connecting box is fixed to the bottom end of the output shaft of the first electric push rod.

[0010] Preferably, a partition is fixed inside the connection box, a second electric push rod is fixed on the top of the partition, the output shaft of the second electric push rod passes through the partition, and a movable plate is fixed to the output shaft of the second electric push rod, and the first connecting rods are symmetrically hinged at both ends of the movable plate.

[0011] Preferably, rectangular limiting holes are symmetrically provided at both ends of the bottom of the connection box, and moving blocks are slidably connected in the rectangular limiting holes, and the tops of the two moving blocks are rotatably connected to the bottom ends of the two first connecting rods respectively.

[0012] Preferably, a second connecting rod is vertically fixed to the bottom of each of the moving blocks, and an arc-shaped clamping plate is fixed to the bottom ends of two of the second connecting rods, and the two arc-shaped clamping plates are symmetrically arranged.

[0013] The beneficial effect of the utility model is that through the coordinated use of the conveyor, the multi-axis manipulator, the two centrifuges, the placement plate, the placement trough, the discharge port, the test tube rack, the loading assembly and the gripper assembly, the test tubes can be continuously centrifuged and conveyed by alternately using the two centrifuges, which is beneficial to improving the centrifugal efficiency of the test tubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural stereogram provided for the utility model;

[0015] Figure 2 A structural stereogram provided for the utility model;

[0016] Figure 3 A top view of the structure provided by the utility model;

[0017] Figure 4 A structural stereogram of a placement plate, a discharge port and a test tube rack provided by the utility model;

[0018] Figure 5 A top view of the structure of the conveyor and loading assembly provided by the utility model;

[0019] Figure 6 A structural stereogram of a loading assembly provided by the utility model;

[0020] Figure 7 A partial structural sectional view of the gripper assembly provided by the utility model;

[0021] Figure 8 for Figure 7 A magnified view of the structure at A;

[0022] Fig. 9 3D perspective view of the structure of the double-finger clamping assembly provided by the present utility model.

[0023] In the figure: 1, conveyor; 2, multi-axis manipulator; 3, centrifuge; 4, placement plate; 5, placement groove; 6, discharge opening; 7, test tube rack; 8, loading seat; 9, test tube socket; 10, positioning fin; 11, first electric push rod; 12, connection box; 13, partition; 14, second electric push rod; 15, moving plate; 16, first connecting rod; 17, rectangular limiting hole; 18, moving block; 19, second connecting rod; 20, clamping assembly. Detailed implementation manners

[0024] The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present utility model, and are not used to limit the present utility model.

[0025] Please refer to the attached Figure 1-8 , a centrifugal conveying device for test tube centrifugation provided by the present utility model, includes a conveyor 1 and a multi-axis manipulator 2. The conveyor 1 is in a U-shape (as Figure 1-3 shown), the multi-axis manipulator 2 is located in the middle of the conveyor 1, and centrifuges 3 are provided at both corners of the conveyor 1. It should be noted that the conveyor, multi-axis manipulator and centrifuge are all well-known technologies to those skilled in the art and will not be elaborated here. Placement plates 4 are fixedly provided at both corners of the top of the conveyor 1. Placement grooves 5 are symmetrically provided at the top of the placement plates 4. Discharge openings 6 are provided at the centers of the placement plates 4. The two discharge openings 6 are respectively located directly above the two centrifuges 3. Test tube racks 7 are placed in the placement grooves 5. A loading assembly for placing test tubes is provided on the conveyor 1, and a gripper assembly for clamping test tubes is provided on the multi-axis manipulator 2. Specifically, the multi-axis manipulator 2 can place the test tube rack 7 with test tubes through the discharge opening 6 onto the two centrifuges 3 through the gripper assembly, so that the centrifuges perform centrifugation operations on a number of test tubes placed on the test tube rack 7;

[0026] The loading assembly includes a number of loading seats 8. The bottoms of the number of loading seats 8 are evenly fixed on the conveyor belt (not marked in the figure) of the conveyor 1. Test tube sockets 9 are provided at the tops of the loading seats 8. A number of positioning fins 10 are arranged in a circular array at the top edges of the loading seats 8. Specifically, a number of test tubes can be inserted into the test tube sockets 9 on the number of loading seats 8, and then conveyed by the conveyor 1, and the conveying direction is as Figure 1-3 shown;

[0027] The gripper assembly includes a first electric push rod 11, which is fixed on the multi-axis manipulator 2. A connecting box 12 is fixed to the bottom end of the output shaft of the first electric push rod 11, that is, when the first electric push rod 11 is running, it can drive the connecting box 12 to rise and fall. A partition 13 is fixed inside the connecting box 12, and a second electric push rod 14 is fixed on the top of the partition 13. The output shaft of the second electric push rod 14 passes through the partition 13, and a moving plate 15 is fixed to the output shaft of the second electric push rod 14. The two ends of the moving plate 15 are symmetrically hinged with a first The connecting rod 16 and the connecting box 12 are symmetrically provided with rectangular limiting holes 17 at both ends of the bottom, and the moving blocks 18 are slidably connected in the rectangular limiting holes 17. The tops of the two moving blocks 18 are rotatably connected to the bottom ends of the two first connecting rods 16 respectively. Specifically, when the second electric push rod 14 is running, it can drive the moving plate 15 to rise and fall. When the moving plate 15 rises and falls, the first connecting rod 16 can drive the moving blocks 18 to slide back and forth in the rectangular limiting holes 17, so that the two moving blocks 18 can be controlled to move toward or in the opposite direction.

[0028] The bottom of the moving block 18 is vertically fixed with a second connecting rod 19, and the bottom ends of the two second connecting rods 19 are fixed with a clamping assembly 20, and the two clamping assemblies 20 are symmetrically arranged. Specifically, the clamping assembly 20 of this embodiment is an arc-shaped clamping plate, and the two arc-shaped clamping plates can move synchronously toward or in the opposite direction with the two moving blocks 18 through the second connecting rod 19, so as to clamp the test tube, and then with the operation of the multi-axis manipulator 2 and the first electric push rod 11, the test tubes on the loading seat 8 transported by the conveyor 1 can be clamped one by one and placed on the test tube rack 7. In a preferred embodiment, as Fig. 9 As shown, the clamping assembly 20 may also be a two-finger clamping assembly.

[0029] It should be noted that the device is electrically connected to an external main controller and 220V mains electricity, and the main controller can be a computer or other prior art equipment for control.

[0030] The use process of the utility model is as follows: the conveyor 1 is running, and the test tubes on the loading seat 8 are placed according to Figure 1-3The multi-axis manipulator 2 and the first electric push rod 11 are transported in the middle direction, and then the multi-axis manipulator 2 and the first electric push rod 11 operate to move the clamping components 20 one by one to the top of the test tubes, and the second electric push rod 14 operates to control the two clamping components 20 to move toward each other, clamp the test tubes one by one, and then put them into the test tube rack 7 above the single centrifuge 3 first, and then clamp the test tubes one by one and put them into the test tube rack 7 above the other centrifuge 3, and then alternately put the test tube rack 7 into the corresponding centrifuge 3 for centrifugation, that is, when the single centrifuge 3 is centrifuging the corresponding test tubes, the device can put the test tubes one by one into the test tube rack 7 above the other centrifuge 3, and then after the centrifugation of the centrifuge 3 is completed, the test tube rack 7 with the test tubes placed on the other centrifuge 3 is put into the other centrifuge 3, and then the test tube rack 7 above the centrifuge 3 is replenished, and the operation is repeated alternately, that is, the device can perform continuous centrifugation and transportation operations on the test tubes by alternating the use of two centrifuges, which is beneficial to improving the centrifugation efficiency of the test tubes.

[0031] The above is only a preferred embodiment of the utility model. Any person skilled in the art can modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A centrifugal conveying device for test tube centrifugation, comprising a conveyor (1) and a multi-axis manipulator (2), characterized in that: The conveyor (1) is in a U-shape. The multi-axis manipulator (2) is located in the middle of the conveyor (1). Centrifuges (3) are provided at both corners of the conveyor (1). Placing plates (4) are fixed at both corners of the top of the conveyor (1). Placing grooves (5) are symmetrically arranged on the top of the placing plates (4). Feeding openings (6) are arranged at the centers of the placing plates (4). The two feeding openings (6) are respectively directly above the two centrifuges (3). Test tube racks (7) are placed in the placing grooves (5). A loading assembly for placing test tubes is arranged on the conveyor (1), and a gripper assembly for gripping test tubes is arranged on the multi-axis manipulator (2).

2. A centrifugal conveying device for test tube centrifugation according to claim 1, characterized in that: The loading assembly includes a number of loading seats (8), and the bottoms of the number of loading seats (8) are uniformly fixed on the conveyor belt of the conveyor (1).

3. A centrifugal conveying device for test tube centrifugation according to claim 2, characterized in that: Test tube insertion openings (9) are formed at the tops of the loading seats (8), and a number of positioning fins (10) are arranged in a circular array at the edges of the tops of the loading seats (8).

4. A centrifugal conveying device for test tube centrifugation according to claim 1, characterized in that: The gripper assembly includes a first electric push rod (11), the first electric push rod (11) is fixed on the multi-axis manipulator (2), and the bottom end of the output shaft of the first electric push rod (11) is fixed with a connection box (12).

5. A centrifugal conveying device for test tube centrifugation according to claim 4, characterized in that: A partition plate (13) is fixed inside the connection box (12), a second electric push rod (14) is fixed on the top of the partition plate (13), the output shaft of the second electric push rod (14) passes through the partition plate (13), and a moving plate (15) is fixed to the output shaft of the second electric push rod (14). First connecting rods (16) are symmetrically hinged at both ends of the moving plate (15).

6. A centrifugal conveying device for test tube centrifugation according to claim 5, characterized in that: Rectangular limiting holes (17) are symmetrically formed at both ends of the bottom of the connection box (12), moving blocks (18) are slidably connected in the rectangular limiting holes (17), and the tops of the two moving blocks (18) are respectively rotatably connected to the bottom ends of the two first connecting rods (16).

7. A centrifugal conveying device for test tube centrifugation according to claim 6, characterized in that: Second connecting rods (19) are vertically fixed to the bottoms of the moving blocks (18), and clamping assemblies (20) are fixed to the bottoms of the two second connecting rods (19). The two clamping assemblies (20) are symmetrically arranged.

8. A centrifugal conveying device for test tube centrifugation according to claim 7, characterized in that: The clamping assembly (20) is one of an arc-shaped clamping plate or a two-finger clamping assembly.

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