Micro-fluidic chip clamping mechanism

Abstract

The utility model relates to the technical field of chip processing, and discloses a micro-fluidic chip clamping mechanism which comprises two mounting racks which are arranged oppositely; the motor is mounted on one of the mounting frames; the two guide rods are fixed between the two mounting frames; the screw rod is rotationally mounted between the two mounting frames, one end of the screw rod is fixedly connected with an output shaft of the motor, and two threaded sections with the same length and opposite directions are arranged on the screw rod. The clamping device comprises the rectangular mounting plate and the arc-shaped clamping plate, so that the clamping device can adapt to chips in different shapes, and clamping of a flat-surface chip and an arc-surface chip can be realized by adjusting the position of the mounting plate, so that the universality of the clamping device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chip processing, in particular to a microfluidic chip clamping mechanism. Background Art

[0002] A microfluidic chip clamping mechanism is a device or apparatus used to secure and dock microfluidic chips within a microfluidic system. Microfluidic chips are typically used to process tiny volumes of liquid and conduct various experiments and analyses through precise channels and control systems. The main function of the clamping mechanism is to ensure that the chip is securely fixed in place during the experiment and can be easily replaced or adjusted when needed.

[0003] The chip clamping mechanism in the existing technology is usually only able to clamp chips of a certain specific shape, and its versatility is poor, that is, it cannot clamp chips of different shapes. A variety of different clamps are required for chips of different shapes, which increases equipment and maintenance costs. Secondly, this special clamping may lead to reduced flexibility of the production line, making it difficult to meet the needs of different specifications or design changes, affecting production efficiency and adaptability.

[0004] Therefore, it is necessary to design a microfluidic chip clamping mechanism to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a microfluidic chip clamping mechanism.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A microfluidic chip clamping mechanism, comprising:

[0008] Two mounting brackets are arranged facing each other;

[0009] a motor, mounted on one of the mounting brackets;

[0010] two guide rods fixed between the two mounting frames;

[0011] A screw rod is rotatably mounted between the two mounting brackets, one end of the screw rod being fixedly connected to the output shaft of the motor, and the screw rod is provided with two threaded sections of equal length and opposite directions;

[0012] The two movable seats are both slidably sleeved on the two guide rods and are respectively threadedly sleeved on the two threaded sections on the screw rod;

[0013] Two clamping structures are respectively arranged on two movable seats;

[0014] The two positioning structures are respectively arranged on the two moving seats.

[0015] As a preferred technical solution of the present invention, the clamping structure includes:

[0016] The mounting plate has a rectangular cross-section;

[0017] An assembly port is provided on the mounting plate and is arranged along the height direction of the mounting plate;

[0018] a slot, provided on a side surface of the mounting plate;

[0019] A clamping plate is movably installed in the slot, one end of the clamping plate is located outside the slot and is provided with an inwardly recessed arc-shaped clamping surface.

[0020] As a preferred technical solution of the present invention, the positioning structure includes:

[0021] A shaft rod is fixed to the top surface of the movable seat, the shaft rod passes through the assembly opening and is rotatably connected to the assembly opening, and the top end of the shaft rod extends to the outside of the assembly opening;

[0022] A sliding sleeve is arranged at the top of the shaft;

[0023] an end cap fixed to the top end of the shaft;

[0024] A plurality of teeth are respectively provided on the sliding sleeve and the end cap;

[0025] A fixing seat, fixed on the top surface of the mounting plate;

[0026] A spring has one end connected to the sliding sleeve and the other end connected to the fixing seat.

[0027] As a preferred technical solution of the present invention, the side surfaces of the clamping plate and the slot walls of the slot fit together.

[0028] As a preferred technical solution of the present invention, the inner ring of the sliding sleeve and the outer surface of the shaft are in contact with each other.

[0029] As a preferred technical solution of the present invention, the outer surfaces of the mounting plate and the clamping plate are both provided with anti-slip grooves.

[0030] The utility model has the following beneficial effects:

[0031] 1. Improved versatility: The design includes a rectangular mounting plate and a curved clamping plate, which can adapt to chips of different shapes. By adjusting the position of the mounting plate, it can clamp flat surface chips (such as rectangular or square chips) and curved surface chips (such as round chips), thereby improving the versatility of the clamping device.

[0032] 2. Flexible adjustment: The structure allows the staff to adjust the angle of the mounting plate by pulling down the slide and rotating the mounting plate, thereby facilitating the precise alignment of the chip. This adjustment mechanism makes it more flexible and convenient when processing chips of different sizes and shapes.

[0033] 3. Simplified operation: During the adjustment process, the downward movement of the sleeve separates the teeth, avoiding the limitation of the mounting plate, making the adjustment operation easier. After the adjustment is completed, the sleeve will automatically move up and re-engage to fix the position of the mounting plate, simplifying the operation steps and reducing manual intervention. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a structural schematic diagram of a microfluidic chip clamping mechanism proposed in the present invention;

[0035] Figure 2 It is the exploded structure diagram of the positioning structure;

[0036] Figure 3 for Figure 1 A magnified view of the structure at point A.

[0037] In the figure: 1 mounting frame, 2 motor, 3 guide rod, 4 screw, 51 mounting plate, 52 slot, 53 splint, 61 shaft, 62 sleeve, 63 end cap, 64 teeth, 65 fixing seat, 66 spring. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0039] Reference Figure 1-3 A microfluidic chip clamping mechanism includes two mounting frames 1 arranged opposite to each other; a motor 2 mounted on one of the mounting frames 1; two guide rods 3 fixed between the two mounting frames 1; a screw 4 rotatably mounted between the two mounting frames 1, one end of which is fixedly connected to the output shaft of the motor 2, and the screw 4 is provided with two threaded sections of equal length and opposite directions; two movable seats are both slidably sleeved on the two guide rods 3 and are respectively threadedly sleeved on the two threaded sections on the screw 4;

[0040] The chip clamping mechanism also includes two clamping structures, which are respectively arranged on two movable seats, and the clamping structure includes: a mounting plate 51 with a rectangular cross-section; an assembly port, which is opened on the mounting plate 51 and arranged along the height direction of the mounting plate 51; a slot 52, which is opened on the side of the mounting plate 51; a clamping plate 53, which is movably installed in the slot 52, and one end of the clamping plate 53 is located outside the slot 52 and is provided with an inwardly recessed arc-shaped clamping surface. The side of the clamping plate 53 fits with the groove wall of the slot 52, and the outer surfaces of the mounting plate 51 and the clamping plate 53 are both provided with anti-slip grooves. The clamping structure is provided with a mounting plate 51 and a clamping plate 53, and the mounting plate 51 has a rectangular cross-section, and its side is a flat surface. The clamping plate 53 is provided with an inwardly recessed arc-shaped clamping surface. When the two mounting plates 5 When the two mounting plates 51 are facing each other, the two mounting plates 51 can clamp chips with flat surfaces, such as rectangular chips or square chips. When the two clamping plates 53 are facing each other, the two clamping plates 53 can clamp chips with curved surfaces, such as round chips. Therefore, the staff can clamp chips of different shapes by adjusting the positions of the two mounting plates 51. This design improves the versatility of the clamping device. Furthermore, the clamping plates 53 are detachably arranged in the slots 52. The staff can adjust the type of the clamping plates 53 according to the specific shape and size of the chip, and use clamping plates 53 with arc-shaped clamping surfaces of different sizes to clamp chips of different sizes. This can further expand the scope of application of the device. The disassembly and assembly method between the clamping plates 53 and the slots 52 is the existing technology, which is not shown in the figure and will not be described in detail here.

[0041] The chip clamping mechanism also includes two positioning structures, which are respectively arranged on two movable seats, and the positioning structures include: a shaft 61, which is fixed to the top surface of the movable seat, the shaft 61 passes through the assembly port and is rotatably connected to the assembly port, and the top end of the shaft 61 extends to the outside of the assembly port; a sliding sleeve 62, which is slidably sleeved on the top position of the shaft 61, and the inner ring of the sliding sleeve 62 and the outer surface of the shaft 61 fit together; an end cap 63, which is fixed to the top end of the shaft 61; a plurality of teeth 64, which are respectively arranged on the sliding sleeve 62 and the end cap 63; a fixed seat 65, which is fixed to the top surface of the mounting plate 51; a spring 66, one end of which is connected to the sliding sleeve 62, and the other end of which is connected to the fixed seat 65;

[0042] When the plurality of teeth 64 on the sleeve 62 are separated from the plurality of teeth 64 on the end cap 63, the plurality of teeth 64 no longer limit the mounting plate 51. Without the limitation of the plurality of teeth 64, the staff rotates the mounting plate 51 to adjust the angle of the mounting plate 51, which is convenient for the staff to adjust the two mounting plates 51 to the facing position or the two clamping plates 53 to the facing position. After the adjustment is completed, the staff releases the sleeve 62, and the sleeve 62 will move up under the action of the spring 66 until the plurality of teeth 64 on the sleeve 62 are engaged with the plurality of teeth 64 on the end cap 63. At this time, the plurality of teeth 64 can fix the position of the mounting plate 51, thereby ensuring the stability of the mounting plate 51 when the chip is clamped.

[0043] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A microfluidic chip clamping mechanism, characterized in that: include: Two mounting frames (1) are arranged facing each other; A motor (2) is mounted on one of the mounting frames (1); Two guide rods (3) fixed between the two mounting frames (1); A screw rod (4) is rotatably mounted between the two mounting frames (1), one end of which is fixedly connected to the output shaft of the motor (2), and the screw rod (4) is provided with two threaded sections of the same length and in opposite directions; The two movable seats are both slidably sleeved on the two guide rods (3) and are respectively threadedly sleeved on the two threaded sections on the screw rod (4); Two clamping structures are respectively arranged on two movable seats; Two positioning structures are respectively arranged on the two moving seats; The clamping structure comprises: The mounting plate (51) has a rectangular cross-section; An assembly port is provided on the mounting plate (51) and is arranged along the height direction of the mounting plate (51); A slot (52) is provided on a side surface of the mounting plate (51); A clamping plate (53) is movably mounted in the slot (52), one end of the clamping plate (53) is located outside the slot (52) and is provided with an inwardly recessed arc-shaped clamping surface; The positioning structure includes: A shaft (61) is fixed on the top surface of the movable seat, the shaft (61) passes through the assembly opening and is rotatably connected to the assembly opening, and the top end of the shaft (61) extends to the outside of the assembly opening; A sliding sleeve (62) is provided at the top of the shaft (61); an end cap (63) fixed to the top end of the shaft (61); A plurality of teeth (64) are respectively arranged on the sliding sleeve (62) and the end cap (63); A fixing seat (65) fixed on the top surface of the mounting plate (51); A spring (66) has one end connected to the sliding sleeve (62) and the other end connected to the fixing seat (65).

2. A microfluidic chip clamping mechanism according to claim 1, characterized in that: The side surfaces of the clamping plate (53) and the groove walls of the slot (52) are fitted together.

3. A microfluidic chip clamping mechanism according to claim 2, characterized in that: The inner ring of the sliding sleeve (62) and the outer surface of the shaft (61) are in contact with each other.

4. The microfluidic chip clamping mechanism according to claim 2, characterized in that: The outer surfaces of the mounting plate (51) and the clamping plate (53) are both provided with anti-slip grooves.

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