Three-axis pipettor device

Abstract

The utility model discloses a three-axis pipettor device and relates to the field of pipettors. The three-axis pipettor device comprises an X-axis sliding rail and a Y-axis sliding rail arranged at the bottom of the X-axis sliding rail in a sliding mode, a vertical driving mechanism is arranged on the outer surface of the Y-axis sliding rail, a pipetting mechanism is installed on the outer surface of the vertical driving mechanism, the pipetting mechanism comprises a pipetting frame installed on the outer wall of the vertical driving mechanism, and a pipette fixing piece is installed at the bottom of the pipetting frame. The pipette driving part is arranged in the pipette frame, and the self-adaptive height adjusting plate is arranged in the pipette fixing part in a sliding manner. According to the three-axis pipettor device, the top end of the pipettor is movably inserted into the pipette fixing part, the top end of a piston column of the pipettor is movably inserted into the pipette driving part, and adjusting lead screws on the two sides are rotated, so that a self-adaptive height adjusting plate slides downwards to abut against the top end of a pipette, and the pipette is clamped and limited; therefore, the device is suitable for pipettes with different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of pipettes, in particular to a three-axis pipette device. Background Art

[0002] A pipette is an electrically controlled pipetting device, which is mainly used in the medical and biological fields. A disposable pipette is installed inside the pipette, which is then driven by the pipette to move to a precise position. The piston column of the pipette is then pushed by the driver to achieve the suction and discharge of the target liquid.

[0003] However, when the common pipettes on the market are in use, the parts for clamping the pipette are mostly fixed. When installing the pipette, the body and piston column of the pipette need to be connected to the fixed part and the driving part of the pipette respectively. Due to the structural characteristics of its fixing parts, it is usually necessary to use a matching pipette, and it cannot effectively adapt to other types of pipettes on the market. The main reason is that the piston column lengths of different types of pipettes are different, which leads to the need for adaptive adjustment of the fixed part of the pipette and the fixed part of the piston column when fixing. For this purpose, a three-axis pipette device is specially provided to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a three-axis pipette device, which solves the problem that when installing the pipette, the body and piston column of the pipette need to be connected to the fixing part and the driving part of the pipette respectively, and due to the structural characteristics of its fixing parts, a matching pipette is usually required, and it cannot effectively adapt to other types of pipettes on the market.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a three-axis pipette device, comprising an X-axis slide rail and a Y-axis slide rail slidably arranged at the bottom of the X-axis slide rail, the outer surface of the Y-axis slide rail is provided with a vertical driving mechanism, the outer surface of the vertical driving mechanism is installed with a pipetting mechanism, and the pipetting mechanism includes;

[0006] A liquid transfer stand, which is mounted on the outer wall of the vertical drive mechanism;

[0007] A pipette fixing part, which is fixedly installed at the bottom of the pipetting rack;

[0008] A pipette driving member, which is slidably arranged inside the pipetting rack;

[0009] The self-adaptive height adjustment plate is slidably arranged inside the pipette fixing piece, and the self-adaptive height adjustment plate is used to adjust the installation height of the pipette.

[0010] Preferably, the vertical driving mechanism includes a fixed part and a sliding part slidably arranged at the bottom of the fixed part, a lifting motor is installed on the top of the fixed part, the output end of the lifting motor is fixedly connected to the first driving screw rod, and the sliding part is threadedly connected to the outer surface of the first driving screw rod.

[0011] Preferably, the outer walls of the X-axis slide rail and the Y-axis slide rail are slidably connected with a first sliding seat and a second sliding seat respectively, the first sliding seat is fixedly connected to the Y-axis slide rail, and the second sliding seat is fixedly connected to the fixing part.

[0012] Preferably, racks are installed at the bottom of the X-axis slide rail and the Y-axis slide rail, travel motors are installed on the outer walls of the first sliding seat and the second sliding seat, and travel gears are fixedly installed at the output ends of the travel motors, and the travel gears are meshed with the racks.

[0013] Preferably, a clamping portion is fixedly mounted on the outer surface of the sliding portion, and the pipetting rack is fixedly mounted inside the clamping portion.

[0014] Preferably, a pipetting drive motor is installed on the top of the pipetting rack, and a second drive screw is rotatably connected inside the pipetting rack, and the second drive screw is threadedly connected to the pipette drive member.

[0015] Preferably, guide rails are fixedly mounted on both sides of the second driving screw rod, and the pipette driving member is slidably connected to the outer surface of the guide rails.

[0016] Preferably, the two sides of the pipette fixing member are internally rotatably connected with adjusting screws, and the two sides of the adaptive height adjustment plate are respectively threadedly connected to the outer surfaces of the two groups of adjusting screws.

[0017] The utility model discloses a three-axis pipette device, which has the following beneficial effects: by movably inserting the top end of the pipette body into the inside of the pipette fixing part, and at the same time making the top end of the piston column of the pipette movably inserted into the inside of the pipette driving part, at this time, by rotating the adjusting screw rods on both sides, the adaptive height adjustment plate slides downward, so that the adaptive height adjustment plate and the top end of the pipette are abutted, thereby clamping and limiting the pipette, at this time, by starting the pipette driving motor, the second driving screw rod is rotated, so that the pipette driving part slides upward, and at this time, the piston column of the pipette slides upward to extract the target liquid, and after moving to the specified position, the pipette driving motor is reversed, so that the piston column slides downward, and the target liquid is injected into the corresponding position for pipetting, thereby adapting to the use of pipettes of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the overall outer surface structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the overall bottom structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the outer surface structure of the vertical drive mechanism of the utility model;

[0022] Figure 4 It is a schematic diagram of the internal structure of the liquid transfer mechanism of the utility model.

[0023] In the figure: 1. X-axis slide rail; 2. Y-axis slide rail; 3. vertical drive mechanism; 31. fixed part; 32. first drive screw; 33. sliding part; 34. clamping part; 4. pipetting mechanism; 41. pipetting rack; 42. pipetting drive motor; 43. pipette fixing member; 44. pipette drive member; 45. second drive screw; 46. guide rail; 47. adaptive height adjustment plate; 48. adjustment screw; 5. travel motor; 6. first sliding seat; 7. second sliding seat; 8. rack; 9. lifting motor. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The embodiment of the present application provides a three-axis pipette device, which solves the problem that when installing the pipette, the body and piston column of the pipette need to be connected to the fixed part and the driving part of the pipette respectively. Due to the structural characteristics of its fixing parts, a matching pipette is usually required, and it cannot effectively adapt to other types of pipettes on the market.

[0026] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] The utility model embodiment discloses a three-axis pipette device.

[0028] According to the attached Figure 1-4 As shown, it includes an X-axis slide rail 1 and a Y-axis slide rail 2 slidably arranged at the bottom of the X-axis slide rail 1, a vertical driving mechanism 3 is arranged on the outer surface of the Y-axis slide rail 2, and a liquid transfer mechanism 4 is installed on the outer surface of the vertical driving mechanism 3, and the liquid transfer mechanism 4 includes;

[0029] A pipetting rack 41, which is mounted on the outer wall of the vertical driving mechanism 3;

[0030] A pipette fixing member 43, which is fixedly mounted on the bottom of the pipetting rack 41;

[0031] A pipette driving member 44, which is slidably disposed inside the pipetting rack 41;

[0032] The self-adaptive height adjustment plate 47 is slidably disposed inside the pipette fixing member 43 , and the self-adaptive height adjustment plate 47 is used to adjust the installation height of the pipette.

[0033] The vertical driving mechanism 3 includes a fixed part 31 and a sliding part 33 slidably arranged at the bottom of the fixed part 31. A lifting motor 9 is installed on the top of the fixed part 31. The output end of the lifting motor 9 is fixedly connected to the first driving screw rod 32. The sliding part 33 is threadedly connected to the outer surface of the first driving screw rod 32. When the lifting motor 9 is started, the first driving screw rod 32 rotates, thereby driving the sliding part 33 to move up and down for height adjustment.

[0034] The outer walls of the X-axis slide rail 1 and the Y-axis slide rail 2 are slidably connected with a first sliding seat 6 and a second sliding seat 7 , respectively. The first sliding seat 6 is fixedly connected to the Y-axis slide rail 2 , and the second sliding seat 7 is fixedly connected to the fixing portion 31 .

[0035] Racks 8 are installed at the bottom of the X-axis slide rail 1 and the Y-axis slide rail 2, and travel motors 5 are installed on the outer walls of the first sliding seat 6 and the second sliding seat 7. A travel gear is fixedly installed at the output end of the travel motor 5, and the travel gear is meshed with the rack 8. By starting the travel motor 5, the travel gear rotates. At this time, the first sliding seat 6 and the second sliding seat 7 can slide along the two sets of racks 8 respectively, thereby realizing movement in the X and Y axis directions.

[0036] The clamping portion 34 is fixedly mounted on the outer surface of the sliding portion 33 , and the pipetting rack 41 is fixedly mounted inside the clamping portion 34 .

[0037] A pipetting drive motor 42 is installed on the top of the pipetting rack 41, and a second drive screw 45 is rotatably connected inside the pipetting rack 41. The second drive screw 45 is threadedly connected to the pipette drive member 44. By starting the pipetting drive motor 42, the second drive screw 45 rotates, thereby causing the pipette drive member 44 to slide upward. At this time, the piston column of the pipette slides upward to extract the target liquid.

[0038] Guide rails 46 are fixedly installed on both sides of the second driving screw rod 45 , and the pipette driving member 44 is slidably connected to the outer surface of the guide rails 46 to prevent the pipette driving member 44 from deflecting when sliding up and down.

[0039] Adjustment screws 48 are rotatably connected to the inside of the two sides of the pipette fixing part 43, and the two sides of the adaptive height adjustment plate 47 are respectively threadedly connected to the outer surfaces of the two groups of adjustment screws 48. A cavity is provided inside the pipette fixing part 43 for placing the top end of the pipette. By rotating the adjustment screws 48 on both sides, the adaptive height adjustment plate 47 slides downward, so that the adaptive height adjustment plate 47 is against the top end of the pipette, thereby clamping and limiting the pipette.

[0040] In summary, compared with the prior art, the present invention has the following beneficial effects:

[0041] When the device is in use, the top of the pipette body is movably inserted into the pipette fixing part 43, and the top of the piston column of the pipette is movably inserted into the pipette driving part 44. At this time, the adjusting screw rods 48 on both sides are rotated to make the adaptive height adjustment plate 47 slide downward, so that the adaptive height adjustment plate 47 and the top of the pipette are abutted, thereby clamping and limiting the pipette. At this time, the second driving screw rod 45 is started by starting the pipette driving motor 42 to rotate, so that the pipette driving part 44 slides upward. At this time, the piston column of the pipette slides upward to extract the target liquid. After moving to the specified position, the pipette driving motor 42 is reversed, so that the piston column slides downward, and the target liquid is injected into the corresponding position for pipetting, thereby adapting to the use of pipettes of different sizes.

[0042] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A three-axis pipette device, comprising an X-axis slide rail (1) and a Y-axis slide rail (2) slidably arranged at the bottom of the X-axis slide rail (1), wherein the outer surface of the Y-axis slide rail (2) is provided with a vertical drive mechanism (3), and the outer surface of the vertical drive mechanism (3) is installed with a pipetting mechanism (4), characterized in that: The liquid transfer mechanism (4) comprises: A liquid transfer rack (41) mounted on the outer wall of the vertical drive mechanism (3); A pipette fixing member (43) fixedly mounted on the bottom of the pipetting rack (41); A pipette drive member (44) slidably disposed inside the pipetting rack (41); An adaptive height adjustment plate (47) is slidably arranged inside the pipette fixing member (43), and the adaptive height adjustment plate (47) is used to adjust the installation height of the pipette.

2. A three-axis pipette device according to claim 1, characterized in that: The vertical drive mechanism (3) comprises a fixed portion (31) and a sliding portion (33) slidably arranged at the bottom of the fixed portion (31); a lifting motor (9) is mounted on the top of the fixed portion (31); a first driving screw rod (32) is fixedly connected to the output end of the lifting motor (9); and the sliding portion (33) is threadedly connected to the outer surface of the first driving screw rod (32).

3. A three-axis pipette device according to claim 2, characterized in that: The outer walls of the X-axis slide rail (1) and the Y-axis slide rail (2) are slidably connected to a first slide seat (6) and a second slide seat (7), respectively; the first slide seat (6) is fixedly connected to the Y-axis slide rail (2), and the second slide seat (7) is fixedly connected to the fixing portion (31).

4. A three-axis pipette device according to claim 3, characterized in that: A rack (8) is installed at the bottom of the X-axis slide rail (1) and the Y-axis slide rail (2), a travel motor (5) is installed on the outer wall of the first sliding seat (6) and the second sliding seat (7), and a travel gear is fixedly installed at the output end of the travel motor (5), and the travel gear is meshed with the rack (8).

5. A three-axis pipette device according to claim 2, characterized in that: A clamping portion (34) is fixedly mounted on the outer surface of the sliding portion (33), and the liquid transfer rack (41) is fixedly mounted inside the clamping portion (34).

6. A three-axis pipette device according to claim 5, characterized in that: A pipetting drive motor (42) is installed on the top of the pipetting rack (41), and a second drive screw (45) is rotatably connected inside the pipetting rack (41), and the second drive screw (45) is threadedly connected to the pipette drive member (44).

7. A three-axis pipette device according to claim 6, characterized in that: Guide rails (46) are fixedly mounted on both sides of the second driving screw rod (45), and the pipette driving member (44) is slidably connected to the outer surface of the guide rails (46).

8. A three-axis pipette device according to claim 1, characterized in that: Adjustment screws (48) are rotatably connected inside the two sides of the pipette fixing member (43), and the two sides of the adaptive height adjustment plate (47) are respectively threadedly connected to the outer surfaces of the two groups of adjustment screws (48).

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