Automatic solution standard preparation instrument

Abstract

The utility model discloses an automatic solution standard configuration instrument which comprises a bottom plate, a first sliding table module is horizontally and fixedly arranged on the bottom plate, a second sliding table module is fixedly installed on a sliding block of the first sliding table module, the second sliding table module is vertically arranged, a third sliding table module is fixedly installed on a sliding block of the second sliding table module, and the third sliding table module is fixedly installed on a sliding block of the third sliding table module. The third sliding table module is horizontally arranged, and the first sliding table module, the second sliding table module and the third sliding table module are perpendicular to one another in space. A fourth sliding table module is fixedly installed on a sliding block on the third sliding table module, the fourth sliding table module is vertically arranged, an injector is detachably installed at the lower end of the fourth sliding table module, a needle head of the injector is vertically downward, and the tail end of a piston handle of the injector is connected with the sliding block of the fourth sliding table module. A plurality of rows of positioning holes are formed in the bottom plate, and a sample bottle can be positioned and placed in each positioning hole. The standard configuration instrument realizes automatic solution configuration, and improves the configuration efficiency and precision.

Description

Technical Field

[0001] The utility model specifically relates to an automatic solution standard preparation instrument, belonging to the technical field of solution preparation automatic equipment. Background Art

[0002] In the fields of environmental protection, medicine, chemical industry, chemical analysis and testing, large quantities of solution preparation are often encountered, and there will be multiple sets of parallel comparative experiments of solutions with different solutes and different concentrations. Many of these are repetitive tasks, requiring operators to perform mechanical and repetitive operations. The labor intensity is very high and people are prone to fatigue. In addition, during manual preparation, system errors may be introduced due to different personal operating habits and methods, and accidental errors may also be caused by operating errors when manually preparing a standard solution of a certain concentration. Based on this, it is necessary to design a solution configuration instrument with automatic functions. Summary of the invention

[0003] In view of the problems existing in the prior art, the utility model provides an automated solution standard preparation instrument, in order to realize the automated preparation of solutions of different solutes and different concentrations, reduce the intensity of manual labor, make repeated manual sample preparation more simplified and accurate, and save time and cost.

[0004] The technical solution adopted by the utility model is as follows:

[0005] An automated solution standard preparation instrument comprises a base plate, on which a first slide module is horizontally fixedly arranged, a second slide module is fixedly mounted on the slider of the first slide module, the second slide module is vertically arranged, a third slide module is fixedly mounted on the slider of the second slide module, the third slide module is horizontally arranged, and the first slide module, the second slide module and the third slide module are perpendicular to each other in space; a fourth slide module is fixedly mounted on the slider on the third slide module, the fourth slide module is vertically arranged, a syringe is detachably mounted on the lower end of the fourth slide module, the needle of the syringe is vertically downward, and the end of the piston handle of the syringe is connected to the slider of the fourth slide module.

[0006] Furthermore, a plurality of rows of positioning holes are arranged on the bottom plate, and a sample bottle can be positioned and placed in each positioning hole.

[0007] Beneficial effects: The utility model can realize the precise movement and positioning of the syringe in the three-dimensional space along the X, Y, and Z directions through the mutual cooperation between the first slide module, the second slide module, the third slide module, etc.; when the syringe is aligned with the set sample bottle, the height of the syringe can be controlled by the second slide module, and then the syringe piston handle is pulled up or pressed down by the slider of the fourth slide module to realize the extraction or discharge of the liquid by the syringe, thereby realizing the concentration configuration of different solute solutions and the transfer of solutions, realizing automated solution configuration, and improving configuration efficiency and accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a schematic diagram of the structure of the automated solution standard instrument.

[0009] Markings in the figure: 1 base plate, 2 first slide module, 3 positioning hole, 4 second slide module, 5 third slide module, 6 fourth slide module, 7 syringe, 8 positioning plate. DETAILED DESCRIPTION

[0010] The following will be combined with the accompanying drawings to clearly and completely describe the technical solution of the utility model. The descriptions of "first", "second", etc. in the utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features.

[0011] like Figure 1 As shown, an automated solution standardizing instrument mainly includes a base plate 1, four slide modules, namely the first slide module 2, the second slide module 4, the third slide module 5 and the fourth slide module 6, as well as a controller and a touch screen. The controller and the touch screen are not shown in the figure. The slide module belongs to the prior art, and its structure is basically the same, and the stroke and power may be slightly different according to actual needs. Each slide module includes a base, a stepper motor is provided at one end of the base, and a bearing is provided at the other end. The stepper motor and the bearing are connected by a screw rod, and a slider is provided on the screw rod through a threaded sleeve. The motor can drive the screw rod to rotate, and the screw rod can drive the slider to move in a high-precision straight line along the guide rail on the base. The motors of the four slide modules are electrically connected to the controller.

[0012] Specifically, the base plate 1 is rectangular, and a first slide module 2 is horizontally fixed on one side of the base plate 1. The first slide module 2 is arranged along the x direction in the figure. A second slide module 4 is fixedly installed on the slider 21 of the first slide module 2. The second slide module 4 is vertically arranged. Under the drive of the first slide module 2, the second slide module 4 can move along the x direction.

[0013] A third slide module 5 is fixedly installed on the slider 41 of the second slide module 4. The third slide module 5 is horizontally arranged. Under the drive of the second slide module 4, the third slide module 5 can move along the z direction; a fourth slide module 6 is fixedly installed on the slider 51 of the third slide module 5. The fourth slide module 6 is vertically arranged. Under the drive of the third slide module 5, the fourth slide module 6 can move along the y direction; in this way, the first slide module 2, the second slide module 4, and the third slide module 5 are perpendicular to each other in space, forming an orthogonal xyz Cartesian coordinate system, the direction of which is shown in the figure, realizing the fourth slide The module 6 can move freely in the space along the three directions of x, y and z; a syringe 7 is detachably installed at the lower end of the fourth slide module 6, with the needle of the syringe 7 pointing vertically downward, and the end of the upper piston handle of the syringe 7 is clamped and connected to the slider 61 of the fourth slide module 6 through a clamp 62, so that the syringe 7 can also move freely and be positioned in the space along the three directions of x, y and z under the drive of the fourth slide module 6; and because the needle tube part of the syringe is fixed to the lower end of the fourth slide module, when the slider 61 of the fourth slide module moves up and down, it will drive the piston handle of the syringe to move, thereby realizing the quantitative extraction or discharge of liquid by the syringe.

[0014] A positioning plate 8 is also provided on the bottom plate 1, and the positioning plate 8 is arranged parallel to the bottom plate 1 and spaced a certain distance apart. A plurality of rows of positioning holes 3 are provided on the positioning plate 8, and a sample bottle 9 can be positioned in each positioning hole 3. The position and number of the positioning holes can be flexibly controlled and adjusted according to actual needs. Figure 1 There are three rows of positioning holes along the x direction, from left to right, they are the first row, the second row and the third row. The first and second rows can hold eight small sample bottles each, and the third row can hold four large sample bottles. The center position of each sample bottle can be obtained through advance equipment debugging and input into the control program. The eight small sample bottles in the first row can hold eight solutions of different substances, or solutions of the same solute but with different initial concentrations.

[0015] When working, by selecting a specific program, the first, second, and third slide modules cooperate with each other to move the syringe to the top of the specified sample bottle, and then the syringe descends to insert the needle into the solution, and then the slide of the fourth module moves upward to make the syringe automatically extract a certain amount of liquid from a small sample bottle in the first row, and then the syringe rises as a whole, moves to the set position, and descends, and then the slide of the fourth module moves downward, and the liquid in the syringe is added to the large sample bottle in the third row to achieve different concentrations of dilution. Of course, liquid can also be extracted from the large sample bottle after the first dilution and then injected into the second large sample bottle for dilution again, so as to achieve exponential amplification of the dilution multiple, for example, each dilution is 100 times, and after three dilutions, it can reach one millionth of the initial concentration. When the dilution multiple is reached, the same volume and concentration of solution can be drawn from the same large sample bottle, and then injected into the eight small sample bottles in the second row, so as to achieve parallel sampling of the solution, and finally realize the automation of solution preparation and reduce the concentration configuration error, thereby improving work efficiency.

[0016] The above description is only a preferred embodiment of the present invention, and does not limit the protection scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An automated solution preparation instrument, characterized in that: It includes a base plate, on which a first slide module is horizontally fixedly arranged, a second slide module is fixedly installed on the slider of the first slide module, the second slide module is vertically arranged, a third slide module is fixedly installed on the slider of the second slide module, the third slide module is horizontally arranged, and the first slide module, the second slide module and the third slide module are perpendicular to each other in space; a fourth slide module is fixedly installed on the slider on the third slide module, the fourth slide module is vertically arranged, and a syringe is detachably installed at the lower end of the fourth slide module, the needle of the syringe is vertically downward, and the end of the piston handle of the syringe is connected to the slider of the fourth slide module.

2. The automatic solution standard preparation instrument according to claim 1, characterized in that: A plurality of rows of positioning holes are arranged on the bottom plate, and a sample bottle can be positioned and placed in each positioning hole.

Images