Pipetting device with clamping function

Abstract

The utility model belongs to the technical field of pipetting devices, and discloses a pipetting device with a clamping function, which comprises an X-axis component, a Y-axis component mounted at the top end of the X-axis component, a first pipetting component slidably connected in the Y-axis component, a second pipetting component mounted on one side of the first pipetting component in the Y-axis component, and a third pipetting component mounted on the other side of the second pipetting component in the Y-axis component. A multi-channel pipetting assembly is installed at the position, located on one side of the second pipetting assembly, in the first pipetting assembly, gun heads are fixedly installed at the bottom end of the first pipetting assembly and the bottom end of the multi-channel pipetting assembly, the X-axis assembly comprises an X-axis bottom plate, a linear guide rail is fixedly installed at the top end of the X-axis bottom plate, and the linear guide rail is fixedly installed at the bottom end of the X-axis bottom plate. End plates are fixedly installed at the positions, located on the two sides of the linear guide rail, of the top end of the X-axis bottom plate, an X-axis sliding base is slidably connected to the outer side of the linear guide rail, the multi-channel pipetting assembly is formed by driving a plurality of sample adding and pipetting channels through one motor, the multiple channels conduct sample adding and pipetting work at the same time, and the total cost is low compared with a plurality of pipetting assemblies.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pipette technical field, especially relate to a pipette with clamping function. BACKGROUND

[0002] The pipette is also called a pipette gun, which is a kind of measuring tool for transferring liquid from a container to another container within a certain range, and is widely used in biology, chemistry and other fields. For example, when blood samples or urine samples are detected and analyzed in the detection laboratory of a hospital, a pipette is usually used to suck the samples or corresponding chemical detection aids into corresponding vessels for detection.

[0003] The existing pipette can be divided into single-channel pipette and multi-channel pipette according to the number of channels. The multi-channel pipette refers to a pipette with multiple parallel pipette guns. In actual use, multiple pipette guns can independently or synchronously perform liquid suction, discharge or TIP head (suction head) retrieval operation. Based on such a multi-channel pipette, multiple groups of liquid can be suctioned and discharged or multiple TIP heads can be retrieved at a time, greatly improving the pipetting efficiency.

[0004] The existing multiple pipetting components require excessive electrical costs, resulting in high cost, which further affects the practicability. INVENTION CONTENTS

[0005] The utility model discloses a pipette with clamping function, which solves the problem of excessive electrical costs of multiple pipetting components in the prior art, resulting in high cost, which further affects the practicability.

[0006] A pipette with clamping function, comprising: an X-axis assembly, a Y-axis assembly is installed at the top end of the X-axis assembly, a pipetting component one is slidably connected inside the Y-axis assembly, a pipetting component two is installed at the position of one side of the pipetting component one inside the Y-axis assembly, a multi-channel pipetting component is installed at the position of one side of the pipetting component two inside the pipetting component one, and a gun head is fixedly installed at the bottom end of the pipetting component one and the multi-channel pipetting component.

[0007] As the preferred technical scheme, the X-axis assembly comprises an X-axis base plate, a linear guide rail is fixedly installed at the top end of the X-axis base plate, end plates are fixedly installed at both sides of the linear guide rail, an X-axis sliding seat is slidably connected to the outer side of the linear guide rail, a motor seat is fixedly installed at the bottom end of the X-axis base plate, an X-axis motor is installed at the bottom end of the motor seat through screws, a driving wheel is connected to the outer side of the output shaft of the X-axis motor, a tensioning seat is fixedly installed at one end of the X-axis base plate, a tensioning wheel is rotatably connected to the inside of the tensioning seat, a synchronous belt is sleeved between the outer sides of the tensioning wheel and the driving wheel, a clamping block one is fixedly installed at the bottom end of the X-axis sliding seat, and a clamping block two is fixedly installed at one end of the clamping block one.

[0008] As the preferred technical scheme, the synchronous belt is located between the clamping block two and the clamping block one.

[0009] As the preferred technical scheme, the Y-axis assembly comprises a Y-axis base plate fixedly installed at the top end of the X-axis sliding seat, a Y-axis motor is installed at one end surface of the Y-axis base plate, a belt connecting structure is connected to the output shaft of the Y-axis motor, and a Y-axis sliding seat is slidably connected to one end surface of the Y-axis base plate.

[0010] As the preferred technical scheme, the number of the Y-axis sliding seat and the Y-axis motor is three, and the three Y-axis sliding seats are respectively installed with a pipetting assembly one, a pipetting assembly two and a multi-channel pipetting assembly.

[0011] As the preferred technical scheme, the belt connecting structure is composed of two pulleys and one belt, and the Y-axis sliding seat and the belt are connected through clamping blocks.

[0012] As the preferred technical scheme, the pipetting assembly one and the multi-channel pipetting assembly are both fixedly installed with a clamping assembly.

[0013] The beneficial effects of the present application are as follows:

[0014] (1) The multi-channel pipetting assembly is driven by one motor, and multiple sample adding and pipetting channels are simultaneously used, so that the total cost of multiple pipetting assemblies is relatively low.

[0015] (2) Any channel of the pipetting assembly and the multi-channel pipetting assembly can be inserted into the clamping jaw assembly to clamp and carry the reaction plate, thereby improving the adaptability.

[0016] (3) When the multi-channel pipette and the pipette one are clamped and carried, the Y-axis motor, the Y-axis sliding seat and the pipetting assembly two can be removed, so that the cost can be further reduced.

[0017] (4) can hold the object, facilitate the object holding, change the object holding difficulty, and can transport the held object, change the transport difficulty BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure schematic diagram of a pipetting device with clamping function in embodiment 1 is shown.

[0019] Figure 2 The installation structure schematic diagram of an X-axis assembly in embodiment 1 is shown.

[0020] Figure 3 The installation structure schematic diagram of a Y-axis motor in embodiment 1 is shown.

[0021] Figure 4 The installation structure schematic diagram of a pipetting assembly two in embodiment 1 is shown.

[0022] Figure 5 The installation structure schematic diagram of a clamping assembly in embodiment 1 is shown.

[0023] In the figure: 1, X-axis assembly; 11, X-axis bottom plate; 12, linear guide rail; 13, end plate; 14, X-axis sliding seat; 15, motor seat; 16, X-axis motor; 17, driving wheel; 18, synchronous belt; 19, tensioning seat; 110, tensioning wheel; 111, clamping block one; 112, clamping block two; 2, Y-axis assembly; 21, Y-axis bottom plate; 22, Y-axis motor; 23, belt connection structure; 24, Y-axis sliding seat; 3, pipetting assembly one; 4, pipetting assembly two; 5, multi-channel pipetting assembly; 6, clamping assembly; 7, gun head. DETAILED DESCRIPTION

[0024] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the utility model technical scheme will be described clearly and completely in combination with embodiments.

[0025] Embodiment 1

[0026] The utility model provides a pipetting device with clamping function, as Figures 1 to 4 The utility model discloses a pipetting device with clamping function, which comprises an X-axis assembly 1, the top of the X-axis assembly 1 is provided with a Y-axis assembly 2, the Y-axis assembly 2 is slidably connected with a pipetting assembly one 3, the Y-axis assembly 2 is provided with a pipetting assembly two 4 at one side of the pipetting assembly one 3, the pipetting assembly one 3 is provided with a multi-channel pipetting assembly 5 at one side of the pipetting assembly two 4, the multi-channel pipetting assembly 5 is driven by a motor to realize the sampling and pipetting of multiple channels, and the pipetting assembly one 3 and the multi-channel pipetting assembly 5 are fixedly provided with a gun head 7 at the bottom.

[0027] AsFigure 1 and Figure 2 As shown in the drawings, the X-axis assembly 1 comprises an X-axis base plate 11, a linear guide rail 12 fixedly installed at the top end of the X-axis base plate 11, end plates 13 fixedly installed at the top end of the X-axis base plate 11 at both sides of the linear guide rail 12, an X-axis sliding seat 14 slidably connected to the outside of the linear guide rail 12, a motor seat 15 fixedly installed at the bottom end of the X-axis base plate 11, an X-axis motor 16 installed at the bottom end of the motor seat 15 through screws, a driving wheel 17 journally installed at the output shaft of the X-axis motor 16, a tensioning seat 19 fixedly installed at one end of the X-axis base plate 11, a tensioning wheel 110 rotatably connected inside the tensioning seat 19, a synchronous belt 18 sleeved between the outside of the driving wheel 17 and the tensioning wheel 110, a clamping block one 111 fixedly installed at the bottom end of the X-axis sliding seat 14, a clamping block two 112 fixedly installed at one end of the clamping block one 111, and the synchronous belt 18 located between the clamping block two 112 and the clamping block one 111 on the outside thereof for fixing between the X-axis sliding seat 14 and the synchronous belt 18.

[0028] When the X-axis motor 16 is connected to a power source and operates, the X-axis motor 16 drives the driving wheel 17 to rotate, the driving wheel 17 drives the synchronous belt 18 to move when rotating, the synchronous belt 18 drives the tensioning wheel 110 to rotate at the same time, and the synchronous belt 18 drives the X-axis sliding seat 14 to horizontally displace on the outside of the linear guide rail 12 through the clamping block two 112 and the clamping block one 111 when moving, which can adjust the horizontal position of the Y-axis assembly 2 and change the difficulty of adjusting the horizontal position of the Y-axis assembly 2. The first Y-axis motor 22 is used to drive the first Y-axis sliding seat 24, the first Y-axis sliding seat 24 is used to install the first pipetting assembly 3, the second Y-axis motor 22 is used to drive the second Y-axis sliding seat 24, the second Y-axis sliding seat 24 is used to install the multi-channel pipetting assembly 5, and the third Y-axis motor 22 is used to drive the third Y-axis sliding seat 24, and the third Y-axis sliding seat 24 is used to install the second pipetting assembly 4.

[0029] As shown in the drawings, Figure 3 and Figure 4 The Y-axis assembly 2 comprises a Y-axis base plate 21 fixedly installed at the top end of the X-axis sliding seat 14, a Y-axis motor 22 installed at one end face of the Y-axis base plate 21, a belt connecting structure 23 connected to the output shaft of the Y-axis motor 22, and Y-axis sliding seats 24 slidably connected to one end face of the Y-axis base plate 21. The number of Y-axis motors 22 and Y-axis sliding seats 24 is three, and the three Y-axis sliding seats 24 are respectively installed with the first pipetting assembly 3, the second pipetting assembly 4 and the multi-channel pipetting assembly 5. The belt connecting structure 23 is composed of two pulleys and a belt, and the Y-axis sliding seat 24 is connected to the belt through a clamping block.

[0030] When the Y-axis motor 22 is connected to the power supply and starts to operate, the Y-axis motor 22 drives the belt connecting structure 23 to operate at this time, the belt connecting structure 23 drives the Y-axis sliding seat 24 to move on the Y-axis bottom plate 21 through the clamping block when operating, thereby driving the liquid transfer assembly one 3 to displace, since the number of Y-axis motor 22 and Y-axis sliding seat 24 is set to three, three Y-axis motor 22 and Y-axis sliding seat 24 drive the liquid transfer assembly one 3, the liquid transfer assembly two 4 and the multi-channel liquid transfer assembly 5 to move respectively, change the moving difficulty between the liquid transfer assembly one 3, the liquid transfer assembly two 4 and the multi-channel liquid transfer assembly 5, so as to be able to be combined at will, suitable for different ranges.

[0031] Embodiment 2

[0032] The utility model provides a kind of liquid transfer device with clamping function, as shown in Figure 5 The X-axis assembly 1 is provided with a Y-axis assembly 2 at the top end, and the Y-axis assembly 2 is slidably connected with a liquid transfer assembly one 3 inside. The Y-axis assembly 2 is installed with a liquid transfer assembly two 4 at the position beside the liquid transfer assembly one 3 inside. The liquid transfer assembly one 3 is installed with a multi-channel liquid transfer assembly 5 at the position beside the liquid transfer assembly two 4 inside. The liquid transfer assembly one 3 and the multi-channel liquid transfer assembly 5 are fixedly installed with a clamping assembly 6 at the bottom end.

[0033] The gun head 7 of embodiment 1 is replaced, and the clamping assembly 6 is installed. At this time, the relative movement between two of the liquid transfer assembly one 3, the liquid transfer assembly two 4 and the multi-channel liquid transfer assembly 5 drives the clamping assembly 6 to be fixed. The clamping assembly 6 clamps the object, and then the two structures are synchronously moved. At this time, the object can be clamped, which is convenient for clamping the object and changes the clamping difficulty of the object. The clamped object can be transported, which changes the transportation difficulty.

[0034] Working principle: during actual use, the reaction plate is placed into the bottom end, at this time, the two gun heads 7 at the bottom end of the first liquid transfer assembly 3 and the multi-channel liquid transfer assembly 5 are disassembled, and the clamping assembly 6 is installed, at this time, the remaining pipelines of the first liquid transfer assembly 3 and the multi-channel liquid transfer assembly 5 perform liquid transfer, the first liquid transfer assembly 3 and the multi-channel liquid transfer assembly 5 guide the liquid into the reaction plate, at this time, the clamping assembly 6 at the bottom end of the first liquid transfer assembly 3 and the multi-channel liquid transfer assembly 5 clamps the reaction plate, then when the reaction plate needs to be transported after collection, at this time, the X-axis assembly 1 starts to run, since the X-axis motor 16 is connected to the power supply and runs, the X-axis motor 16 drives the driving wheel 17 to rotate when running, the driving wheel 17 drives the synchronous belt 18 to move when rotating, at the same time, the synchronous belt 18 drives the tension pulley 110 to rotate, and at this time, the synchronous belt 18 moves to drive the X-axis sliding seat 14 to move horizontally outside the linear guide rail 12 through the clamping block two 112 and the clamping block one 111, at this time, the horizontal position of the Y-axis assembly 2 can be adjusted, when the Y-axis assembly 2 moves to the predetermined position, at this time, since the Y-axis motor 22 is connected to the power supply and starts to run, at this time, the Y-axis motor 22 drives the belt connection structure 23 to run, the belt connection structure 23 drives the Y-axis sliding seat 24 to move on the Y-axis bottom plate 21 through the clamping block, since the number of Y-axis motors 22 is set to be multiple, at this time, multiple Y-axis motors 22 are started, the Y-axis motors 22 respectively drive the first liquid transfer assembly 3, the second liquid transfer assembly 4 and the multi-channel liquid transfer assembly 5 to move, the first liquid transfer assembly 3, the second liquid transfer assembly 4 and the multi-channel liquid transfer assembly 5 move to transport the reaction plate, when transported to the predetermined position, at this time, two Y-axis motors 22 drive the first liquid transfer assembly 3 and the multi-channel liquid transfer assembly 5 to move away from each other, at this time, the reaction plate is placed on the object surface, in this process, the second liquid transfer assembly 4 can not be installed, at this time, the remaining installation structures in the second liquid transfer assembly 4 can not be installed, so as not to affect the normal operation of the device, thereby achieving the purpose of saving cost.

[0035] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit it.

Claims

1. A pipetting device with a clamping function, characterized in that Include: X-axis assembly (1), the top of the X-axis assembly (1) is provided with Y-axis assembly (2), the Y-axis assembly (2) is slidably connected with pipette assembly one (3) inside, the Y-axis assembly (2) is provided with pipette assembly two (4) inside at one side of pipette assembly one (3), the pipette assembly one (3) is provided with multichannel pipette assembly (5) inside at one side of pipette assembly two (4), the bottom of pipette assembly one (3) and multichannel pipette assembly (5) is fixedly provided with gun head (7).

2. The pipetting device with a clamping function according to claim 1, characterized in that, The X-axis assembly (1) comprises an X-axis bottom plate (11), a linear guide rail (12) is fixedly installed at the top of the X-axis bottom plate (11), end plates (13) are fixedly installed at both sides of the linear guide rail (12) at the top of the X-axis bottom plate (11), an X-axis sliding seat (14) is slidably connected outside the linear guide rail (12), a motor seat (15) is fixedly installed at the bottom of the X-axis bottom plate (11), an X-axis motor (16) is installed at the bottom of the motor seat (15) through screws, a driving wheel (17) is journally installed outside the output shaft of the X-axis motor (16), a tensioning seat (19) is fixedly installed at one end of the X-axis bottom plate (11), a tensioning wheel (110) is rotatably connected inside the tensioning seat (19), a synchronous belt (18) is sleeved between the tensioning wheel (110) and the driving wheel (17) outside, a clamping block one (111) is fixedly installed at the bottom of the X-axis sliding seat (14), and a clamping block two (112) is fixedly installed at one end of the clamping block one (111).

3. The pipetting device with a clamping function according to claim 2, characterized in that, The synchronous belt (18) is located between the clamping block two (112) and the clamping block one (111) outside.

4. The pipetting device with a clamping function according to claim 2, characterized in that, The Y-axis assembly (2) comprises a Y-axis bottom plate (21) fixedly installed at the top of the X-axis sliding seat (14), a Y-axis motor (22) is installed on one end face of the Y-axis bottom plate (21), a belt connecting structure (23) is connected to the output shaft of the Y-axis motor (22), and a Y-axis sliding seat (24) is slidably connected to one end face of the Y-axis bottom plate (21).

5. The pipetting device with a clamping function according to claim 4, characterized in that, The number of Y-axis sliding seats (24) and Y-axis motors (22) is three, and the three Y-axis sliding seats (24) are respectively installed with pipette assembly one (3), pipette assembly two (4) and multichannel pipette assembly (5).

6. The pipetting device with a clamping function according to claim 4, characterized in that, The belt connecting structure (23) is composed of two pulleys and one belt, and the Y-axis sliding seat (24) and the belt are connected through the clamping block.

7. The pipetting device with a clamping function according to claim 1, characterized in that, The bottom of the pipette assembly one (3) and the multichannel pipette assembly (5) is fixedly provided with a clamping assembly (6).

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