Coaxial positioning and adjusting device for assembly of laminar flow cavity

Abstract

The utility model provides a coaxial positioning adjusting device for assembling a laminar flow cavity, which comprises an adjusting assembly, a camera assembly and a monitor, the camera assembly is connected with the monitor, the camera assembly transmits shot images to the monitor, a target is slidably mounted on the adjusting assembly, and the adjusting assembly is connected with the camera assembly. The adjusting assembly is provided with two target installation positions in the sliding direction of the target, the target slides after being installed on the two target installation positions respectively, two images are displayed on the monitor, the position of the camera assembly is adjusted to enable the two images to coincide, and the predetermined flow channel axis is obtained. By means of the coaxial positioning and adjusting device for assembling the laminar flow cavity, the axis of the flow channel can be pre-determined before the laminar flow cavity is assembled, and alignment of the axis of the flow cell and the axis of the flow channel can be accurately and rapidly achieved in the follow-up assembling process.

Description

TECHNICAL FIELD

[0001] The utility model relates to laminar flow cavity relevant technical field, more accurate say to a kind of coaxial positioning adjustment device of laminar flow cavity assembly. BACKGROUND

[0002] Laminar flow cavity is the core component of cell counting, chemical analysis, spectral analysis, immunofluorescence assay, gene sequencing equipment, liquid sample can continuously flow through laminar flow cavity, liquid sample is renewed in laminar flow cavity, i.e. it can maintain local sample concentration stable, or change the concentration of sample or switch sample as required. Laminar flow cavity is a multi-layer structure formed by bonding of substrate, flow cell, flow channel and other parts, and the axes of the flow cell and the flow channel need to be precisely aligned during assembly.

[0003] In the existing laminar flow cavity assembly process, a CCD camera is usually used to observe the joint surface of the flow cell and the flow channel, and the flow cell and the flow channel are adjusted. However, the existing scheme cannot accurately identify the axis of the flow channel, making it difficult to meet the requirement of precise alignment of the axes of the flow cell and the flow channel.

[0004] In summary, there is a need in the art for a scheme that can more accurately achieve coaxial adjustment of the axes of the flow cell and the flow channel to meet the assembly requirements of the laminar flow cavity. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims to provide a coaxial positioning adjustment device for laminar flow cavity assembly, which can determine the axis of the flow channel in advance before assembly, and precisely align the axis of the flow cell with the predetermined axis of the flow channel during assembly.

[0006] To achieve the above-mentioned purpose, the utility model provides a coaxial positioning adjustment device for laminar flow cavity assembly, which comprises an adjustment assembly, a camera assembly and a monitor. The camera assembly is connected to the monitor, and the camera assembly transmits the captured images to the monitor. A target is slidably installed on the adjustment assembly, and the adjustment assembly has two target installation positions along the target sliding direction. After the target is installed on the two target installation positions, it slides and displays two images on the monitor. The position of the camera assembly is adjusted to make the two images coincide, and the predetermined axis of the flow channel is obtained.

[0007] Preferably, the adjustment assembly comprises a guide rail fixed plate, a guide rail, a sliding block and a target fixed block. The guide rail is fixedly installed on the guide rail fixed plate, the sliding block is slidably installed on the guide rail, the target fixed block is detachably installed on the sliding block, and the target is detachably installed on the target fixed block.

[0008] Preferably, the camera assembly is arranged at one end of the guide rail fixing plate, and an axis of the camera assembly is parallel to an axis of the guide rail.

[0009] Preferably, the target fixing block has two first target mounting positions and a second target mounting position on an upper portion of the target fixing block, the first target mounting position and the second target mounting position are arranged in sequence along a direction of the guide rail axis, and the second target mounting position is located on a side of the first target mounting position away from the camera assembly; the target is detachably mounted on the first target mounting position or the second target mounting position.

[0010] Preferably, the guide rail fixing plate has mounting through holes at four corners thereof, respectively.

[0011] Preferably, the camera assembly comprises an adjusting frame and a CCD camera, the CCD camera is mounted on the adjusting frame, and a position of the CCD camera is changed in any direction by adjusting the adjusting frame.

[0012] Preferably, the CCD camera is connected with the monitor through a data line.

[0013] Compared with the prior art, the coaxial positioning and adjusting device for laminar flow chamber assembly has the advantages that the coaxial positioning and adjusting device for laminar flow chamber assembly can determine the flow channel axis in advance before assembling the laminar flow chamber, and the axis alignment of the flow cell and the flow channel can be accurately and quickly realized in the subsequent assembly process. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0015] As Figure 1 shown is a structure schematic diagram of the coaxial positioning and adjusting device for laminar flow chamber assembly. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0017] AsFigure 1 As shown in the drawings, the coaxial positioning adjusting device for laminar flow chamber assembly of the present application comprises an adjusting assembly 1, a camera assembly 2 and a monitor 3, the camera assembly 2 is connected with the monitor 3, the camera assembly 2 transmits the photographed image to the monitor 3 for display, the target 131 is slidably installed on the adjusting assembly 1, and the adjusting assembly 1 has two target installation positions along the sliding direction of the target 131, after the target 131 is installed on the two target installation positions respectively and slides, two images are displayed on the monitor 3, the position of the camera assembly 2 is adjusted to make the two images coincide, so as to obtain the predetermined flow channel axis. During the assembly of the laminar flow chamber, the flow channel moves along the sliding direction of the target 131, that is, moves along the flow channel axis, so that the coaxial connection of the flow chamber and the flow channel can be accurately and conveniently completed.

[0018] Specifically, the adjusting assembly 1 comprises a guide rail fixed plate 10, a guide rail 11, a sliding block 12 and a target fixed block 130, the guide rail 11 is fixedly installed on the guide rail fixed plate 10, the sliding block 12 is slidably installed on the guide rail 11, the target fixed block 130 is detachably installed on the sliding block 12, and the target 131 is detachably installed on the target fixed block 130. The camera assembly 2 is arranged at one end of the guide rail fixed plate 10, and the axis of the camera assembly 2 is parallel to the axis of the guide rail 11.

[0019] The target fixed block 130 has two first target installation positions 1301 and a second target installation position 1302 on the upper portion, the first target installation position 1301 and the second target installation position 1302 are arranged in sequence along the axis direction of the guide rail 11, and the second target installation position 1302 is located on the side of the first target installation position 1301 away from the camera assembly 2. The target 131 is detachably installed on the first target installation position 1301 or the second target installation position 1302.

[0020] The guide rail fixed plate 10 is fixedly installed on the corresponding workbench, in order to facilitate the fixed installation of the guide rail fixed plate 10, a plurality of installation through holes 101 are preferably arranged on the guide rail fixed plate 10, the installation through holes 101 are located at the four corners of the guide rail fixed plate 10, and the installation of the guide rail fixed plate 10 is realized by penetrating the installation through holes 101 with bolts.

[0021] The camera assembly 2 comprises an adjusting frame 20 and a CCD camera 21, the CCD camera 21 is installed on the adjusting frame 20, and the position of the CCD camera 21 can be changed in any direction by adjusting the adjusting frame 20. The CCD camera 21 is connected with the monitor 3 through a data line 31.

[0022] The coaxial positioning adjusting device of the laminar flow cavity assembly is used as follows: first, the target 31 is installed on the first target plate installation position 1301, then the slider 12 is moved to make the target 31 clearly displayed on the monitor 3, at this time, the first target position image is displayed on the monitor 3; then the target 31 is transferred and installed on the second target plate installation position 1302, then the slider is moved to make the target 31 clearly displayed on the monitor 3, at this time, the second target position image is displayed on the monitor 3; then the adjusting frame 20 is adjusted to make the second target position image close to the first target position image; the above steps are repeated until the second target position image coincides with the first target position image without adjusting the adjusting frame 20, at this time, the axis of the slider 12 sliding is perpendicular to the imaging surface of the CCD camera 21, and in the subsequent assembly of the laminar flow cavity, the flow channel can be installed on the slider 12, the flow channel axis imaged by the CCD camera is accurately overlapped with the actual axis of the flow channel, and then the coaxial adjustment of the flow channel axis and the flow pool can be realized.

[0023] The above description of disclosed embodiments enables one skilled in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A coaxial positioning adjustment device for a laminar flow chamber assembly, characterized by The adjusting assembly, the camera assembly and the monitor are included, the camera assembly is connected with the monitor, the camera assembly transmits the photographed image to the monitor, the target is slidably installed on the adjusting assembly, the adjusting assembly has two target installation positions along the target sliding direction, the target is installed on the two target installation positions respectively and then slides, two images are displayed on the monitor, the position of the camera assembly is adjusted to make the two images coincide, and the predetermined flow channel axis is obtained.

2. The coaxial positioning adjustment device for a laminar flow of claim 1, wherein The adjusting assembly includes the guide rail fixed plate, the guide rail, the sliding block and the target fixed block, the guide rail is fixedly installed on the guide rail fixed plate, the sliding block is slidably installed on the guide rail, the target fixed block is detachably installed on the sliding block, and the target is detachably installed on the target fixed block.

3. The coaxial positioning adjustment device for a laminar flow of claim 2, wherein The camera assembly is arranged at one end of the guide rail fixed plate, and the axis of the camera assembly is parallel to the axis of the guide rail.

4. The coaxial positioning adjustment device for a laminar flow of claim 2, wherein The upper part of the target fixed block has two first target installation positions and a second target installation position, the first target installation position and the second target installation position are arranged in sequence along the direction of the guide rail axis, and the second target installation position is located on the side away from the camera assembly of the first target installation position; and the target is detachably installed on the first target installation position or the second target installation position.

5. The coaxial positioning adjustment device for a laminar flow of claim 2, wherein, The guide rail fixed plate has installation through holes at four corners respectively.

6. The coaxial positioning adjustment device for a laminar flow of claim 1, wherein, The camera assembly includes the adjusting frame and the CCD camera, the CCD camera is installed on the adjusting frame, and the position of the CCD camera is changed in any direction by adjusting the adjusting frame.

7. The coaxial positioning adjustment device for a laminar flow of claim 6, wherein The CCD camera is connected with the monitor through a data line.

Images