Material mixing device for analytical chemistry laboratory

Abstract

The utility model discloses a material mixing device for an analytical chemistry laboratory, and particularly relates to the technical field of analytical chemistry laboratory supplies, the material mixing device comprises a mounting shell, a crushing assembly is arranged in an inner cavity of the mounting shell, a cleaning assembly is arranged in the inner cavity of the mounting shell, and the lower end of the mounting shell is fixedly connected with a through mixing tank; a mixing assembly is arranged in an inner cavity of the stirring tank, a liquid outlet assembly is arranged on the lower side of the outer surface of the stirring tank, and three supporting legs are fixedly connected to the lower side of the outer surface of the stirring tank. According to the material mixing device for the analytical chemistry laboratory, the crushing assembly is arranged, solid chemicals are extruded and crushed into small particles, so that the solid chemicals can be better fused with other chemical solvents, and the accuracy of analytical chemistry experimental data is improved; and the stirring assembly is arranged to stir various chemical solvents in the stirring tank, so that the various chemical solvents are fully fused.

Description

TECHNICAL FIELD

[0001] The utility model relates to analytical chemistry laboratory supplies technical field, especially in analytical chemistry laboratory material mixing device. BACKGROUND

[0002] The analytical chemistry laboratory is a professional laboratory for chemical analysis, which mainly identifies and quantitatively analyzes the composition of substances through various chemical techniques and instrument equipment.

[0003] In the analytical chemistry laboratory, material mixing refers to mixing different chemical substances or reagents in a certain proportion and method for subsequent analysis, experiment or reaction.

[0004] In the reagent preparation of analytical chemistry experiment, solid chemicals are dissolved in solvents to prepare standard solutions, dilute solutions or buffer solutions. Mixing needs to ensure complete dissolution of solids to ensure the accuracy of solution concentration. For complex solid samples, the samples usually need to be crushed and uniformly mixed to ensure the representativeness of the samples.

[0005] Chinese patent publication No. CN206139094U includes a base, a cylindrical tank, a support and a crossbeam on the top of the support. The bottom of the cylindrical tank is horizontally provided with a support disc. A fixed rod is provided between the base and the crossbeam in the vertical direction. The upper part of the fixed rod penetrates the tank cover, and the lower part of the fixed rod penetrates the support disc. A sleeve is provided on the fixed rod and located inside the cylindrical tank. A stirring rod is fixed between the outer circle of the sleeve and the inner wall of the cylindrical tank. A support rolling mechanism is provided between the support disc and the base. A center positioning rolling mechanism is provided between the cylindrical tank and the support. A reduction motor is provided on the support. A gear is provided on the main shaft of the reduction motor. The circumferential surface of the cylindrical tank is provided with a gear ring engaged with the gear. The utility model in the above-mentioned document adopts an automatic mixing operation mode, reduces the influence on the operator, uses a cylindrical tank to drive the stirring rod to rotate, avoids damage to the stirring blade, has good mixing effect, and is especially suitable for mixing a large amount of material in the analytical chemistry laboratory.

[0006] The above-mentioned device lacks a structure for crushing solid chemicals. The solid chemicals can only be directly placed in the above-mentioned device and mixed with other chemical solutions. The whole piece of solid chemical dissolves slowly. If not crushed, it may take a long time to completely dissolve, which will affect the progress of the experiment and the timeliness of the results. At the same time, the solid chemicals cannot be fully and uniformly mixed with the chemical solution, thereby affecting the accuracy of the test results. UTILITY MODEL CONTENTS

[0007] The utility model discloses a main purpose lies in providing a kind of material mixing device for analytical chemistry laboratory, can effectively solve the problem that solid chemical in analytical chemistry experiment is not broken, is mixed with other chemical solution, so that solid chemical and other chemical solution cannot be fully, evenly fused.

[0008] To achieve the above object, the technical scheme adopted by the utility model is:

[0009] A kind of material mixing device for analytical chemistry laboratory, including installation shell, the installation shell inner chamber is provided with breaking assembly, the installation shell inner chamber is provided with cleaning assembly, the lower end of the installation shell is fixedly connected with the through stirring tank, the stirring tank inner chamber is provided with mixing assembly, the lower side of the stirring tank outer surface is provided with liquid outlet assembly, the lower side of the stirring tank outer surface is fixedly connected with three support legs.

[0010] Preferably, the breaking assembly includes a fixed plate, the fixed plate is fixedly connected with the rear end left part of the installation shell, the vertical part front end of the fixed plate is fixedly connected with motor one, the inner surface front side left and right parts of the installation shell are rotatably connected with shaft one, the rear end of two shafts one all penetrates the inner surface rear side of the installation shell and all extends to installation shell outside, the left shaft one is fixedly connected with the output end of the motor one by coupling, the outer surface rear side of two shafts one is all fixedly connected with gear, two gears are engaged, the outer surface of two shafts one is all fixedly connected with round roller.

[0011] Preferably, the cleaning assembly includes a fixed plate, the fixed plate is fixedly connected with the rear end left part of the installation shell, the vertical part front end of the fixed plate is fixedly connected with motor one, the inner surface front side left and right parts of the installation shell are rotatably connected with shaft one, the rear end of two shafts one all penetrates the inner surface rear side of the installation shell and all extends to installation shell outside, the left shaft one is fixedly connected with the output end of the motor one by coupling, the outer surface rear side of two shafts one is all fixedly connected with gear, two gears are engaged, the outer surface of two shafts one is all fixedly connected with round roller.

[0012] Preferably, the mixing assembly includes a motor, the motor is fixedly connected with the lower end of the stirring tank, the output end of the motor is fixedly connected with rotating rod by coupling, the upper end of the rotating rod penetrates the lower end of the stirring tank and extends into the stirring tank, the lower side of the outer surface of the rotating rod is fixedly connected with a plurality of mixing plates, the upper side of the outer surface of the rotating rod is fixedly connected with a plurality of breaking blades.

[0013] Preferably, a plurality of the breaking blades are linearly and equidistantly arrayed, and a plurality of the mixing plates are arcuately and equidistantly arrayed.

[0014] Preferably, the upper side of the outer surface of the rotating rod is rotatably connected with a retainer, and the retainer is fixedly connected with the inner surface of the stirring tank.

[0015] Preferably, the liquid outlet assembly comprises a liquid outlet pipe fixedly connected with the outer surface of the stirring tank and penetrating through, a ball valve fixedly connected with the lower end of the liquid outlet pipe, and a circular pipe fixedly connected with the lower end of the ball valve.

[0016] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0017] 1、The crushing assembly is arranged, solid chemicals are extruded and crushed into smaller particles, so that the solid chemicals can be better fused with other chemical solvents, thereby improving the accuracy of analytical chemistry experimental data; the mixing assembly is arranged, the solid chemicals and other various chemical solvents in the stirring tank are stirred, so that the solid chemicals and other various chemical solvents are fully fused, thereby further improving the accuracy of test data.

[0018] 2、The two brushes are arranged, the outer surfaces of the two rollers are cleaned, thereby cleaning the solid chemicals adhered to the two rollers, preventing the solid chemicals from adhering to the two rollers and causing waste of the solid chemicals; the plurality of crushing blades are arranged, the solid chemicals crushed into particles are further crushed into smaller particles, thereby improving the contact area of the solid chemicals and other chemical solvents, improving the uniformity of stirring and mixing, and improving the dissolution speed of the solid chemicals. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is an overall structure appearance schematic view of the utility model;

[0020] Figure 2 It is an overall structure cross section schematic view of the utility model;

[0021] Figure 3 It is a crushing assembly structure schematic view of the utility model;

[0022] Figure 4 It is a cleaning assembly structure schematic view of the utility model;

[0023] Figure 5 It is a mixing assembly structure schematic view of the utility model;

[0024] Figure 6 It is a liquid outlet assembly structure schematic view of the utility model.

[0025] In the figure: 1, installation shell; 2, broken assembly; 21, fixed plate one; 22, motor one; 23, rotating shaft one; 24, gear; 25, round roller; 3, cleaning assembly; 31, fixed plate two; 32, motor two; 33, rotating shaft two; 34, brush; 35, pulley set; 4, stirring tank; 5, mixing assembly; 51, motor three; 52, rotating rod; 53, retainer; 54, broken blade; 55, mixing plate; 6, liquid outlet assembly; 61, liquid outlet pipe; 62, ball valve; 63, round pipe; 7, support leg. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0027] As shown in Figure 1 and Figure 2 , a material mixing device for an analytical chemistry laboratory, comprising an installation shell 1, a broken assembly 2 is arranged in the inner cavity of the installation shell 1, a cleaning assembly 3 is arranged in the inner cavity of the installation shell 1, a through stirring tank 4 is fixedly connected to the lower end of the installation shell 1, a mixing assembly 5 is arranged in the inner cavity of the stirring tank 4, a liquid outlet assembly 6 is arranged on the lower side of the outer surface of the stirring tank 4, and three support legs 7 are fixedly connected to the lower side of the outer surface of the stirring tank 4.

[0028] The stirring tank 4 in the above comprises a stirring tank body and a through injection pipeline fixedly connected to the stirring tank body;

[0029] In specific implementation, other chemical solvents required for chemical experiments are injected into the stirring tank 4, and then the mixing assembly 5 is turned on;

[0030] The broken assembly 2 and the cleaning assembly 3 are turned on, solid chemicals are placed in the broken assembly 2, the broken assembly 2 breaks the solid chemicals into smaller particles, and the cleaning assembly 3 cleans the solid chemicals adhered to the broken assembly 2;

[0031] The broken solid chemicals fall into the stirring tank 4, and the mixing assembly 5 stirs various chemicals in the stirring tank 4;

[0032] After the stirring is completed, the liquid outlet assembly 6 is turned on to discharge the mixed chemical solution in the stirring tank 4.

[0033] Specifically, in order to break the solid chemicals into smaller particles, so that the solid chemicals can be fully mixed with other chemical solvents, referring to Figure 3The breaking assembly 2 comprises a fixed plate one 21 fixedly connected with the left part of the rear end of the mounting shell 1, a motor one 22 fixedly connected with the front end of the vertical part of the fixed plate one 21, two rotating shafts one 23 symmetrically and rotatably connected with the left and right parts of the front side of the inner surface of the mounting shell 1, the rear ends of the two rotating shafts one 23 penetrating through the rear side of the inner surface of the mounting shell 1 and extending out of the mounting shell 1, the left rotating shaft one 23 fixedly connected with the output end of the motor one 22 through a shaft coupling, two gears 24 fixedly connected with the outer surfaces of the rear sides of the two rotating shafts one 23, the two gears 24 in meshing, and two circular rollers 25 fixedly connected with the outer surfaces of the two rotating shafts one 23.

[0034] Further refer to Figure 4 The cleaning assembly 3 comprises a fixed plate two 31 fixedly connected with the left part of the front end of the mounting shell 1, a motor two 32 fixedly connected with the rear end of the vertical part of the fixed plate two 31, two rotating shafts two 33 symmetrically and rotatably connected with the left and right parts of the rear side of the inner surface of the mounting shell 1, the front ends of the two rotating shafts two 33 penetrating through the front side of the inner surface of the mounting shell 1 and extending out of the mounting shell 1, two brushes 34 fixedly connected with the outer surfaces of the two rotating shafts two 33, and a belt pulley set 35 fixedly connected with the front sides of the outer surfaces of the two rotating shafts two 33.

[0035] In the specific implementation, the motor one 22 is started to drive the left rotating shaft one 23 to rotate, thereby driving the left gear 24 and the left circular roller 25 to rotate, the rotation of the left gear 24 drives the right gear 24 to rotate, thereby driving the right rotating shaft one 23 and the right circular roller 25 to rotate.

[0036] The two circular rollers 25 rotate in opposite directions, solid chemicals are placed between the two circular rollers 25, and the relative rotation of the two circular rollers 25 can extrude and break the solid chemicals into smaller particles, so that the solid chemicals can be better mixed with other chemical solvents, thereby improving the accuracy of the data of the analytical chemistry experiment.

[0037] Meanwhile, the motor two 32 is started to drive the left rotating shaft two 33 to rotate, thereby driving the left brush 34 to rotate, the right rotating shaft two 33 is also driven to rotate under the action of the belt pulley set 35, thereby driving the right brush 34 to rotate, and the two brushes 34 rotate during the breaking of the solid chemicals by the breaking assembly 2, so that the outer surfaces of the two circular rollers 25 can be cleaned, thereby cleaning the solid chemicals adhered to the two circular rollers 25, preventing the solid chemicals from adhering to the two circular rollers 25, and causing waste of the solid chemicals.

[0038] Specifically, in order to make various chemicals in the analytical chemistry experiment fully mixed, thereby improving the accuracy of the experimental data, refer to Figure 5The stirring assembly 5 comprises a motor three 51 fixedly connected with the lower end of the stirring tank 4, a rotating rod 52 fixedly connected with the output end of the motor three 51 through a shaft coupling, the upper end of the rotating rod 52 penetrating through the lower end of the stirring tank 4 and extending into the stirring tank 4, a plurality of stirring plates 55 fixedly connected with the lower side of the outer surface of the rotating rod 52, and a plurality of crushing blades 54 fixedly connected with the upper side of the outer surface of the rotating rod 52, the plurality of crushing blades 54 are linearly and equidistantly arranged, and the plurality of stirring plates 55 are arcuately and equidistantly arranged, the upper side of the outer surface of the rotating rod 52 is rotatably connected with a retainer 53 fixedly connected with the inner surface of the stirring tank 4.

[0039] Further refer to Figure 6 The liquid outlet assembly 6 comprises a liquid outlet pipe 61 fixedly connected with the outer surface of the stirring tank 4 and penetrating through the stirring tank 4, a ball valve 62 fixedly connected with the lower end of the liquid outlet pipe 61, and a circular pipe 63 fixedly connected with the lower end of the ball valve 62.

[0040] The ball valve 62 is a mature technical means in the prior art, and the structure and working principle thereof will not be described in detail herein.

[0041] In the specific implementation, before the solid chemical is crushed by the crushing assembly 2, a certain amount of other chemical solvents required by the analytical chemistry experiment is injected into the stirring tank 4, and then the rotating rod 52 is driven to rotate by the motor three 51 when the solid chemical is crushed by the crushing assembly 2, so that the plurality of stirring plates 55 and the plurality of crushing blades 54 are all rotated.

[0042] The solid chemical crushed by the crushing assembly 2 falls into the stirring tank 4, the plurality of crushing blades 54 are all rotated, and the solid chemical falling from top to bottom is secondarily crushed, so that the solid chemical already crushed into particles is further crushed into smaller particles, thereby improving the contact area of the solid chemical and the other chemical solvents, improving the uniformity of the stirring and mixing, and improving the dissolution speed of the solid chemical.

[0043] The plurality of stirring plates 55 are all rotated to stir the solid chemical and the other chemical solvents in the stirring tank 4, so that the solid chemical and the other chemical solvents are fully mixed, thereby improving the accuracy of the test data.

[0044] After the stirring and mixing are completed, the ball valve 62 is opened to discharge all the mixed chemical solvents in the stirring tank 4.

[0045] It should be particularly noted that the specific installation mode, circuit connection mode and control method of the motor one 22, the motor two 32 and the motor three 51 are all conventional designs, and the utility model will not be described in detail.

[0046] The working principle of the utility model is as follows:

[0047] A certain amount of other types of chemical solvents required by the analytical chemistry experiment is injected into the stirring tank 4, and the motor three 51 is turned on to drive the rotating rod 52 to rotate, thereby driving the stirring plates 55 and the crushing blades 54 to rotate;

[0048] The motor one 22 is turned on to drive the left rotating shaft one 23 to rotate, so that the two rollers 25 are rotated, the solid chemicals are placed between the two rollers 25, and the relative rotation of the two rollers 25 can crush the solid chemicals into smaller particles, and the crushed solid chemicals fall into the stirring tank 4;

[0049] At the same time, the motor two 32 is turned on to drive the left rotating shaft two 33 to rotate, so that the brushes 34 are rotated to clean the outer surfaces of the two rollers 25;

[0050] The crushing blades 54 are rotated to crush the falling solid chemicals again, and the stirring plates 55 are rotated to stir the solid chemicals and other types of chemical solvents in the stirring tank 4;

[0051] After the stirring and mixing are completed, the ball valve 62 is opened to discharge all the mixed chemical solvents in the stirring tank 4.

[0052] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A material mixing device for analytical chemistry laboratories, comprising a housing (1), characterized in that: The inner cavity of the mounting shell (1) is provided with a crushing component (2), the inner cavity of the mounting shell (1) is provided with a cleaning component (3), the lower end of the mounting shell (1) is fixedly connected with a through mixing tank (4), the inner cavity of the mixing tank (4) is provided with a mixing component (5), the lower side of the outer surface of the mixing tank (4) is provided with a liquid discharge component (6), and the lower side of the outer surface of the mixing tank (4) is fixedly connected with three support legs (7).

2. The material mixing device for analytical chemistry laboratories according to claim 1, characterized in that: The crushing component (2) includes a fixing plate (21), which is fixedly connected to the left rear end of the mounting housing (1). A motor (22) is fixedly connected to the front end of the vertical part of the fixing plate (21). A rotating shaft (23) is symmetrically connected to the left and right sides of the front side of the inner surface of the mounting housing (1). The rear ends of the two rotating shafts (23) penetrate the rear side of the inner surface of the mounting housing (1) and extend to the outside of the mounting housing (1). The left rotating shaft (23) is fixedly connected to the output end of the motor (22) through a coupling. Gears (24) are fixedly connected to the rear side of the outer surface of the two rotating shafts (23). The two gears (24) mesh. A circular roller (25) is fixedly connected to the outer surface of the two rotating shafts (23).

3. The material mixing device for analytical chemistry laboratories according to claim 1, characterized in that: The cleaning component (3) includes a fixing plate two (31), which is fixedly connected to the left front end of the mounting housing (1). A motor two (32) is fixedly connected to the rear end of the vertical part of the fixing plate two (31). A rotating shaft two (33) is symmetrically rotatably connected to the left and right sides of the rear side of the inner surface of the mounting housing (1). The front ends of the two rotating shaft two (33) penetrate the front side of the inner surface of the mounting housing (1) and extend to the outside of the mounting housing (1). A brush (34) is fixedly connected to the outer surface of the two rotating shaft two (33). A pulley group (35) is fixedly connected to the front side of the outer surface of the two rotating shaft two (33).

4. The material mixing device for an analytical chemistry laboratory according to claim 1, characterized in that: The mixing assembly (5) includes a motor (51), which is fixedly connected to the lower end of the mixing tank (4). The output end of the motor (51) is fixedly connected to a rotating rod (52) via a coupling. The upper end of the rotating rod (52) passes through the lower end of the mixing tank (4) and extends into the mixing tank (4). Several mixing plates (55) are fixedly connected to the lower side of the outer surface of the rotating rod (52), and several crushing blades (54) are fixedly connected to the upper side of the outer surface of the rotating rod (52).

5. A material mixing device for an analytical chemistry laboratory according to claim 4, characterized in that: The crushing blades (54) are arranged in a linear equidistant array, and the mixing plates (55) are arranged in an arc-shaped equidistant array.

6. The material mixing device for an analytical chemistry laboratory according to claim 4, characterized in that: A retainer (53) is rotatably connected to the upper side of the outer surface of the rotating rod (52), and the retainer (53) is fixedly connected to the inner surface of the mixing tank (4).

7. The material mixing device for an analytical chemistry laboratory according to claim 1, characterized in that: The liquid outlet assembly (6) includes a liquid outlet pipe (61), which is fixedly connected to and passes through the outer surface of the mixing tank (4). A ball valve (62) is fixedly connected to the lower end of the liquid outlet pipe (61), and a round pipe (63) is fixedly connected to the lower end of the ball valve (62).

Images