Dissolving accelerating instrument for chemical analysis

Abstract

The invention belongs to the technical field of dissolving instruments, and discloses an accelerated dissolving instrument for chemical analysis, which comprises a shell, the shell is provided with a cavity, a stirring and cleaning assembly is arranged in the cavity, the stirring and cleaning assembly comprises a plurality of rotatably arranged stirring plates, the side wall of each stirring plate is provided with a groove, and when two adjacent stirring plates are attached together through rotation, the stirring plates are clamped in the grooves. The device is simple and reasonable in structure, when dissolution needs to be carried out, the cleaning mechanism is stored in the storage cavity, stirring is carried out through the stirring plates, dissolution of substances is accelerated, after dissolution is completed, a dissolved solution is taken out, the cleaning mechanism stretches out to clean the cavity, and the device is convenient to use. And the step of cleaning the cavity is simplified, and use is convenient.

Description

Technical Field

[0001] The invention belongs to the technical field of dissolution instruments, and in particular relates to an accelerated dissolution instrument for chemical analysis. Background Art

[0002] Dissolution In a broad sense, the process of mixing more than two substances into a molecular state is called dissolution, while dissolution in a narrow sense refers to the process in which a liquid produces a physical or chemical reaction with a solid, liquid or gas to make it a molecular state.

[0003] The invention patent with publication number CN117920000A discloses an accelerated dissolution instrument for chemical analysis. It adopts a stirring structure with a shorter vertical distance combined with a method of changing the stirring area of ​​the stirring structure. On the one hand, it can use the stirring structure with a longer vertical distance to fully mix the liquid chemical during the first stirring of the liquid chemical. On the other hand, it can change the stirring area of ​​the stirring structure during the second stirring of the liquid chemical, increase the distance between the stirring area and the liquid surface of the liquid chemical, and prevent the liquid surface of the liquid chemical from swirling and causing air to enter the liquid chemical, thereby improving the mixing efficiency of the liquid chemical.

[0004] However, the above solution has the following problems: since the instrument usually needs to be used multiple times and the instrument usually needs to dissolve solutions of different concentrations and different substances, the instrument needs to be cleaned after completing the dissolution. The dissolution instruments including the above solution are usually not easy to clean, which will affect the accuracy of the detection. Summary of the Invention

[0005] In order to overcome the above technical problems, the present invention provides an accelerated dissolution instrument for chemical analysis.

[0006] The present invention adopts the following technical solutions: Preferably, a controller is provided on the outer wall of the housing, and the controller is electrically connected to the motor, the electric cylinder, and the solenoid valve.

[0007] Preferably, the outer wall of the shell is fixedly connected to a liquid inlet cylinder, the liquid inlet cylinder is communicated with the cavity, the shell is provided with a liquid outlet at the lower end of the cavity, the liquid outlet is communicated with the cavity, and a solenoid valve is provided between the liquid outlet and the cavity.

[0008] Preferably, a tension spring is connected to the inner wall of the groove, and the tension spring is connected to the slider, so that the tension spring makes the slider tend to move away from the cavity wall.

[0009] Preferably, the cleaning mechanism includes a slider located in the storage cavity, the slider is slidably connected to the inner wall of the stirring plate, the inner walls of the two stirring plates constituting the same storage cavity are both slidably connected with a slider, the slider is hinged with a connecting strip, the two sliders located on different stirring plates constituting the same storage cavity are connected through a connecting strip, the two connecting strips are hinged, and the connecting strip is connected to a deformable cleaning block, when the two stirring plates are closed, the connecting strip rotates toward the inner wall of the stirring plate, and when the two stirring plates are opened, the cleaning block slides toward the cavity wall, and the cleaning block abuts against the outer wall of the cavity.

[0010] Preferably, the driving mechanism includes a turntable rotatably connected to the driving shaft, the turntable is located at the end of the driving shaft, the turntable is connected to a push cylinder, the push cylinder is fixedly connected to a spline shaft, the push cylinder is spline-connected to the push cylinder through the spline shaft, the push cylinder abuts against the surface of a connecting ring close to the turntable side, an electric cylinder is provided in the driving shaft, the electric cylinder drives the spline shaft connected to the push cylinder, a fixing ring is fixedly connected to the outer wall of the driving shaft, the fixing ring is connected to a spring, the spring is connected to the connecting ring, and the spring makes the connecting ring have a tendency to move toward the direction close to the push cylinder.

[0011] Preferably, the two stirring plates constituting the same receiving chamber are respectively engaged with the thread grooves in opposite spiral directions. A driving mechanism is provided in the driving shaft, and the driving mechanism drives the connected stirring plates. When the stirring plates are driven by the driving mechanism to move axially along the driving shaft, the connecting ring drives the stirring plates to rotate along the direction of the thread groove to control the opening and closing of the receiving chamber.

[0012] Preferably, the outer wall of the driving shaft is provided with two thread grooves with opposite spiral directions, and the stirring plate is fixedly connected with a connecting ring, which is engaged with the thread groove.

[0013] Preferably, the stirring cleaning assembly includes a plurality of drive shafts fixedly connected to the planetary gears, the drive shafts and the planetary gears are coaxially arranged, and the stirring plates are connected to the outer walls of the drive shafts.

[0014] Preferably, the shell is detachably connected to a top cover above the cavity, the top cover is connected to a planetary wheel, the ring gear of the planetary wheel is fixedly connected to the top cover, a motor is provided in the top cover, the motor drives the sun gear connected to the planetary wheel, and the planetary wheel is driven by the planetary gear to connect to the stirring and cleaning assembly.

[0015] A dissolution-accelerating instrument for chemical analysis comprises a shell having a cavity. A stirring and cleaning assembly is provided in the cavity. The stirring and cleaning assembly comprises a plurality of rotatably arranged stirring plates. The stirring plates are provided with grooves on their side walls. When two adjacent stirring plates are rotated and fitted together, the grooves of the two stirring plates form a sealed receiving chamber. A cleaning mechanism is telescopically provided in the receiving chamber.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention provides a stirring and cleaning assembly within a cavity. The stirring and cleaning assembly includes a plurality of rotatably arranged stirring plates. The stirring plates have grooves on their side walls. When two adjacent stirring plates are rotated and fitted together, the grooves of the two stirring plates form a sealed receiving chamber. A cleaning mechanism is retractably arranged within the receiving chamber. When dissolution is required, the cleaning mechanism is retracted into the receiving chamber and stirred by the stirring plates to accelerate the dissolution of the substance. After dissolution is complete, the dissolved solution is removed and the cleaning mechanism is extended to clean the cavity. This simplifies the steps for cleaning the cavity and facilitates use. 2. The present invention drives the stirring and cleaning component to rotate through the planetary gear of the planetary wheel, so that the stirring and cleaning component can rotate simultaneously with the revolution, thereby increasing the stirring, dissolving and cleaning effects of the stirring and cleaning component. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall schematic diagram of the present invention; Figure 2 It is a schematic diagram of the internal structure of the present invention; Figure 3 It is a schematic diagram of the structure of the stirring cleaning component; Figure 4 It is a schematic diagram of the structure inside the lower end of the drive shaft; Figure 5 It is a schematic diagram of the structure of the stirring plate part when the cleaning block is extended during cleaning.

[0018] Description of reference numerals:

[0019] 1. Housing; 110. Top cover; 111. Planetary gear; 120. Liquid inlet cylinder; 130. Solenoid valve; 140. Liquid outlet; 2. Drive shaft; 210. Stirring plate; 211. Tension spring; 212. Slider; 213. Connecting strip; 214. Cleaning block; 215. Connecting ring; 220. Electric cylinder; 221. Spline shaft; 222. Push cylinder; 3. Fixing ring; 310. Spring. DETAILED DESCRIPTION

[0020] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings. The same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. Unless otherwise specified, the raw materials and equipment used are commercially available or commonly used in the art. The methods in the embodiments, unless otherwise specified, are conventional methods in the art. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0021] A dissolution accelerating instrument for chemical analysis includes a housing 1, wherein the housing 1 is provided with a cavity at an upper section, a liquid inlet cylinder 120 is fixedly connected to an outer wall of the housing 1, and the liquid inlet cylinder 120 is connected to the cavity via a liquid inlet pipe at a bottom end. The liquid inlet pipe is arranged at an angle to facilitate entry of a substance to be dissolved into the cavity, a liquid collection trough is provided at a lower end of the cavity of the housing 1, and a liquid outlet 140 is provided on a top wall of the liquid collection trough. The liquid outlet 140 is connected to the cavity, and a dissolved solution can be collected through the liquid outlet 140. A solenoid valve 130 is provided between the liquid outlet 140 and the cavity, and whether liquid is discharged from the cavity can be controlled by the solenoid valve 130; The housing 1 is threadedly connected to a top cover 110 above the cavity, and the top cover 110 is connected to a planetary gear 111. The ring gear of the planetary gear 111 is fixedly connected to the top cover 110. A motor is fixedly connected to the top cover 110, and the motor drives the sun gear connected to the planetary gear 111. The planetary gear 111 is provided with three planetary gears. The planetary gear 111 is connected to the stirring and cleaning component through the planetary gear drive. The stirring and cleaning component is driven to rotate by the planetary gear of the planetary gear 111, so that the stirring and cleaning component rotates while orbiting, thereby increasing the stirring, dissolving and cleaning effects of the stirring and cleaning component. Specifically, a controller is provided on the outer wall of the housing 1 , and the controller is electrically connected to the motor, the electric cylinder 220 , and the solenoid valve 130 . The motor, the electric cylinder 220 , and the solenoid valve 130 can be controlled by the controller.

[0022] Specifically, a retractable cleaning mechanism is provided in the storage chamber, and the cleaning mechanism includes a slider 212 located in the storage chamber, the slider 212 is slidably connected to the inner wall of the stirring plate 210, the inner walls of the two stirring plates 210 constituting the same storage chamber are slidably connected with the slider 212, the upper and lower sections of the inner wall of the stirring plate 210 are connected with the slider 212, the slider 212 is hinged with a connecting strip 213, and the two sliders 212 located on the same horizontal plane of the different stirring plates 210 constituting the same storage chamber are connected by the connecting strip 213, the two connecting strips 213 are hinged, and the two connecting strips 213 are provided with a limit block at the hinge position so that the maximum The angle is acute, and the connecting strip 213 is connected to a deformable cleaning block 214. In this embodiment, the cleaning block 214 is a sponge block. A tension spring 211 is fixedly connected to the inner wall of the groove. The tension spring 211 is connected to the fixed slider 212. The tension spring 211 makes the slider 212 have a tendency to move away from the cavity wall. When the two stirring plates 210 are closed, the connecting strip 213 rotates toward the inner wall of the stirring plate 210 under the action of the tension spring 211, and the slider 212 slides away from the cavity wall for easy storage. When the two stirring plates 210 are opened, the cleaning block 214 slides toward the cavity wall and abuts against the outer wall of the cavity for easy cleaning. Specifically, the driving mechanism includes a turntable rotatably connected to the driving shaft 2, the turntable is located at the bottom end of the driving shaft 2, the turntable is connected to a push cylinder 222, the push cylinder 222 is fixedly connected to a spline shaft 221, the push cylinder 222 is spline-connected to the push cylinder 222 through the spline shaft 221, the push cylinder 222 abuts against the surface of the connecting ring 215 close to the turntable side, the driving shaft 2 is fixedly connected to an electric cylinder 220, the electric cylinder 220 drives the spline shaft 221 connected to the push cylinder 222, and the electric cylinder 220 can push the push cylinder 222. The connecting ring 215 is driven to move upward, thereby controlling the opening and closing of the stirring plate 210. The outer wall of the driving shaft 2 is fixedly connected to a fixing ring 3 in the middle section. The fixing ring 3 is fixedly connected to a spring 310 on the bottom surface. The lower end of the spring 310 is connected to the connecting ring 215. The spring 310 makes the connecting ring 215 have a tendency to move toward the push cylinder 222. When the electric cylinder 220 drives the push cylinder 222 to move downward, the spring 310 drives the connecting ring 215 to move downward, helping to control the closing of the stirring plate 210. Specifically, the stirring cleaning assembly includes a driving shaft 2 fixedly connected to the planetary gear. The driving shaft 2 is coaxially arranged with the planetary gear. The outer wall of the driving shaft 2 is connected to six stirring plates 210. The stirring plates 210 are provided with grooves on the side walls. When two adjacent stirring plates 210 are rotated and fitted together, the grooves of the two stirring plates 210 form a sealed receiving chamber. The stirring plates 210 are respectively fixedly connected with connecting rings 215 at the upper and lower sections. The outer wall of the driving shaft 2 is provided with thread grooves at the upper and lower sections. The spiral directions of the two thread grooves are opposite. The stirring plates 210 are meshed with one of the thread grooves through the connecting ring 215. The two stirring plates 210 forming the same receiving chamber are respectively meshed with the thread grooves with opposite spiral directions. A driving mechanism is provided in the driving shaft 2. The driving mechanism drives the connected stirring plates 210. When the stirring plates 210 are driven by the driving mechanism to move axially along the driving shaft 2, the connecting ring 215 drives the stirring plates 210 to rotate along the direction of the thread groove to control the opening and closing of the receiving chamber. When in use, the various components of the device are correctly connected according to the connection relationship, and the external power supply is connected to the various electrical components of the device. The substance to be dissolved is poured into the cavity through the liquid inlet cylinder 120, and the motor is started by the controller. The motor drives the stirring plate 210 to rotate through the planetary gear. When the dissolution is completed, the motor is turned off by the controller, and the solenoid valve 130 is started. The user takes out the dissolved solution through the liquid outlet 140. When cleaning is required, the electric cylinder 220 is started, the motor is started, and clean water is injected into the liquid inlet cylinder 120. The electric cylinder 220 is turned on. 0 drives the connecting ring 215 to move upward, and the connecting ring 215 drives the stirring plate 210 to rotate along the spiral groove. The stirring plate 210 drives the connecting strip 213 to open and causes the slider 212 to slide toward the cavity wall. The cleaning block 214 abuts against the cavity wall. The motor drives the cleaning block 214 to rotate to clean the cavity. After cleaning is completed, the solenoid valve 130 is opened to discharge the cleaning water, and the electric cylinder 220 is started to close the two adjacent stirring plates 210, so that the cleaning block 214 is stored in the storage cavity so that it can be dissolved again later.

[0023] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the above embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A dissolution accelerating instrument for chemical analysis, comprising a housing, characterized in that: The shell has a cavity, in which a stirring and cleaning assembly is provided. The stirring and cleaning assembly includes a plurality of rotatably arranged stirring plates. The stirring plates are provided with grooves on the side walls. When two adjacent stirring plates are rotated and fitted together, the grooves of the two stirring plates form a sealed storage cavity, in which a cleaning mechanism is telescopically arranged.

2. The accelerated dissolution instrument for chemical analysis according to claim 1, characterized in that: The outer shell is detachably connected to a top cover above the cavity, the top cover is connected to a planetary gear, the ring gear of the planetary gear is fixedly connected to the top cover, a motor is provided in the top cover, the motor drives the sun gear connected to the planetary gear, and the planetary gear is driven by the planetary gear to connect to the stirring and cleaning assembly.

3. The accelerated dissolution instrument for chemical analysis according to claim 2, characterized in that: The stirring cleaning component includes a plurality of driving shafts fixedly connected to the planetary gears. The driving shafts and the planetary gears are coaxially arranged, and the stirring plates are connected to the outer walls of the driving shafts.

4. The accelerated dissolution instrument for chemical analysis according to claim 3, characterized in that: The outer wall of the driving shaft is provided with two thread grooves with opposite spiral directions. The stirring plate is fixedly connected with a connecting ring, which is engaged with the thread groove.

5. The accelerated dissolution instrument for chemical analysis according to claim 4, characterized in that: The two stirring plates constituting the same receiving chamber are respectively engaged with the thread grooves in opposite spiral directions. A driving mechanism is provided in the driving shaft, which drives the connected stirring plates. When the stirring plates are driven by the driving mechanism to move axially along the driving shaft, the connecting ring drives the stirring plates to rotate along the direction of the thread groove to control the opening and closing of the receiving chamber.

6. The accelerated dissolution instrument for chemical analysis according to claim 5, characterized in that: The driving mechanism includes a turntable rotatably connected to the driving shaft, the turntable is located at the end of the driving shaft, the turntable is connected to a push cylinder, the push cylinder is fixedly connected to a spline shaft, the push cylinder is spline-connected to the push cylinder through the spline shaft, the push cylinder abuts against the surface of a connecting ring close to the turntable side, an electric cylinder is provided in the driving shaft, the electric cylinder drives the spline shaft connected to the push cylinder, a fixing ring is fixedly connected to the outer wall of the driving shaft, the fixing ring is connected to a spring, the spring is connected to the connecting ring, and the spring makes the connecting ring have a tendency to move toward the direction close to the push cylinder.

7. The accelerated dissolution instrument for chemical analysis according to claim 1, characterized in that: The cleaning mechanism includes a slider located in the storage cavity, which is slidably connected to the inner wall of the stirring plate. The inner walls of the two stirring plates constituting the same storage cavity are both slidably connected with sliders. The slider is hinged with a connecting strip. The two sliders located on different stirring plates constituting the same storage cavity are connected through the connecting strip. The two connecting strips are hinged, and the connecting strip is connected to a deformable cleaning block. When the two stirring plates are closed, the connecting strip rotates toward the inner wall of the stirring plate. When the two stirring plates are opened, the cleaning block slides toward the cavity wall, and the cleaning block abuts against the outer wall of the cavity.

8. The accelerated dissolution instrument for chemical analysis according to claim 7, characterized in that: A tension spring is connected to the inner wall of the groove, and the tension spring is connected to the slider. The tension spring makes the slider have a tendency to move away from the cavity wall.

9. The accelerated dissolution instrument for chemical analysis according to claim 5, characterized in that: The outer wall of the shell is fixedly connected with a liquid inlet cylinder, the liquid inlet cylinder is communicated with the cavity, the shell is provided with a liquid outlet at the lower end of the cavity, the liquid outlet is communicated with the cavity, and an electromagnetic valve is provided between the liquid outlet and the cavity.

10. The accelerated dissolution instrument for chemical analysis according to claim 9, characterized in that: A controller is provided on the outer wall of the shell, and the controller is electrically connected with the motor, the electric cylinder and the solenoid valve.

Images