Chemical analysis heating device

Abstract

The utility model discloses a heating device for chemical analysis. The heating device comprises a heat preservation base assembly, a heating element, a fixing block, a lead screw lifting assembly, a rotating shaft and a driving assembly, a control element and a fixing sleeve are installed on the heat preservation base assembly. The heating element is mounted on the inner bottom wall of the fixed sleeve; the multiple fixing blocks are installed on the inner wall of the fixing sleeve through elastic pieces. The lead screw lifting assembly is installed on the heat preservation base assembly, and a bearing plate is installed at the lifting end of the lead screw lifting assembly. The two rotating shafts are arranged side by side and rotationally connected to the bearing plate. A plurality of stirring rods are mounted on the rotating shaft, and are all positioned right above the fixed sleeve; the driving assembly is installed on the bearing plate, and an output shaft of the driving assembly is in transmission connection with the two rotating shafts through the gear assembly. The device can be adapted to chemical instruments with different sizes, the temperature of a chemical sample can be accurately adjusted, and the heating efficiency and the universality of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical analysis heating, in particular to a chemical analysis heating device. Background Art

[0002] In chemical analysis experiments, heating devices are indispensable and important tools. However, existing chemical analysis heating devices have some significant defects in structure and use, and it is difficult to meet diverse experimental needs. First of all, the structure of existing heating devices is usually relatively simple and lacks sufficient flexibility. When fixing chemical instruments, fixed clamps or brackets are often used, which means that the device can only adapt to chemical instruments of specific sizes. For sample containers of different sizes, such as test tubes, beakers, etc., users may need to replace different clamps or adjust the structure of the device, which not only has poor versatility, but also reduces the efficiency of the experiment.

[0003] Secondly, because the existing heating devices usually heat through heating elements, the liquid in the chemical instrument is often heated unevenly during the heating process. This temperature unevenness is particularly obvious in experiments that process large-volume samples or require long-term heating. In addition, the existing heating devices also lack insulation structures, resulting in large energy losses and low heating efficiency.

[0004] Therefore, a chemical analysis heating device is proposed. Utility Model Content

[0005] The utility model aims to provide a chemical analysis heating device, aiming to solve or improve at least one of the above technical problems.

[0006] To achieve the above purpose, the utility model provides the following solution: The utility model provides a chemical analysis heating device, comprising:

[0007] A heat preservation base assembly, on which a control element and a fixing sleeve are installed;

[0008] A heating element, the heating element being mounted on the inner bottom wall of the fixed sleeve;

[0009] A fixing block, wherein a plurality of the fixing blocks are provided, and the plurality of the fixing blocks are mounted on the inner wall of the fixing sleeve through elastic members;

[0010] A screw lifting assembly, the screw lifting assembly is mounted on the heat-insulating base assembly, and a bearing plate is mounted on the lifting end of the screw lifting assembly;

[0011] A rotating shaft, two of which are arranged side by side, and both of which are rotatably connected to the bearing plate; a plurality of stirring rods are installed on the rotating shaft, and the stirring rods are all located directly above the fixed sleeve;

[0012] A driving assembly, wherein the driving assembly is mounted on the bearing plate, and an output shaft of the driving assembly is drivingly connected to the two rotating shafts via a gear assembly;

[0013] Wherein, the heating element, the lead screw lifting assembly and the driving assembly are all electrically connected to the control element.

[0014] According to a chemical analysis heating device provided by the utility model, an annular baffle is installed at the bottom of the supporting plate, and the annular baffle is located directly above the fixed sleeve. A first protective ring is installed at the bottom of the annular baffle, and a second protective ring is installed at the top of the fixed sleeve. The first protective ring is directly opposite to the second protective ring.

[0015] According to a chemical analysis heating device provided by the utility model, the driving assembly includes a motor bracket installed on the top surface of the supporting plate, a reduction motor is installed on the motor bracket, the reduction motor is electrically connected to the control element, and the output shaft of the reduction motor is transmission-connected to the two rotating shafts through the gear assembly.

[0016] According to a chemical analysis heating device provided by the utility model, the gear assembly includes a driving gear and two driven gears, the driving gear is installed on the output shaft of the reduction motor, the two driven gears are respectively installed on the top of the two rotating shafts, and the two driven gears are meshed with the driving gear for transmission.

[0017] According to a chemical analysis heating device provided by the utility model, the screw lifting assembly includes:

[0018] A lead screw motor, the lead screw motor is mounted on the top surface of the heat preservation base assembly, and the lead screw motor is electrically connected to the control element;

[0019] A vertical plate, the vertical plate is installed on the top surface of the thermal insulation base assembly;

[0020] A screw rod, the screw rod is mounted on the output shaft of the screw motor through a coupling, and the screw rod is mounted on the vertical plate through two limit bearing seats;

[0021] The sliding sleeve is arranged on the screw rod and is located between the two limit bearing seats; the bearing plate is installed on the sliding sleeve.

[0022] According to a chemical analysis heating device provided by the utility model, the heat preservation base assembly includes:

[0023] A base body, wherein legs are installed at the four corners of the bottom surface of the base body;

[0024] A heat preservation plate, the heat preservation plate is fixedly mounted on the top surface of the base body;

[0025] Wherein, the control element, the fixed sleeve, the lead screw motor and the vertical plate are all installed on the top surface of the insulation board.

[0026] According to a chemical analysis heating device provided by the utility model, the elastic member includes a plurality of springs, the fixed block is installed on the inner wall of the fixed sleeve through the plurality of springs, and the plurality of fixed blocks are arranged at equal intervals along the circumferential direction of the axis of the fixed sleeve.

[0027] The utility model discloses the following technical effects:

[0028] The utility model can realize accurate control of the heating element through the control element, and realize accurate adjustment of the temperature of the chemical sample through the heating element; the driving assembly drives the two sets of rotating shafts and a plurality of stirring rods to rotate, and the sample can be efficiently stirred while heating, thereby improving the uniformity of the chemical reaction and the heating efficiency;

[0029] The utility model drives the bearing plate to rise and fall through the screw lifting assembly, thereby lifting and falling two sets of rotating shafts and a plurality of stirring rods, making it easy to take out the chemical instrument placed in the fixed sleeve, and at the same time making it convenient for users to observe and operate the samples, thereby improving the convenience of the experiment;

[0030] The utility model drives the fixing block to extend through the elastic member, and the chemical instrument is stably placed in the fixing sleeve through the plurality of fixing blocks. The elastic member can be adapted to chemical instruments of different sizes, thereby improving the versatility of the device and the stability of the heating process; the heat loss during the heating process can be reduced through the heat preservation base assembly, thereby improving the heating efficiency;

[0031] The utility model can realize accurate control of the heating element, the lead screw lifting assembly and the driving assembly through the control element, and then can adjust the parameters such as the heating temperature, the lifting height and the stirring speed, thereby improving the heating efficiency and the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] 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 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.

[0033] Figure 1 It is a schematic diagram of the structure of the utility model;

[0034] Figure 2 for Figure 1A partial enlarged view of middle A;

[0035] Among them, 1. control element; 2. fixed sleeve; 3. heating element; 4. fixed block; 5. elastic member; 6. rotating shaft; 7. stirring rod; 8. annular baffle; 9. first protective ring; 10. second protective ring; 11. motor bracket; 12. reduction motor; 13. driving gear; 14. driven gear; 15. screw motor; 16. vertical plate; 17. screw rod; 18. sliding sleeve; 19. base body; 20. insulation board; 21. support leg. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0037] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0038] Reference Figure 1-2 The utility model provides a chemical analysis heating device, comprising:

[0039] A heat preservation base assembly, on which a control element 1 and a fixing sleeve 2 are mounted;

[0040] A heating element 3, the heating element 3 is mounted on the inner bottom wall of the fixed sleeve 2;

[0041] A fixing block 4, wherein the fixing block 4 is provided with a plurality of fixing blocks 4, and the plurality of fixing blocks 4 are mounted on the inner wall of the fixing sleeve 2 through elastic members 5;

[0042] A screw lifting assembly, the screw lifting assembly is installed on the heat-insulating base assembly, and a bearing plate is installed at the lifting end of the screw lifting assembly;

[0043] A rotating shaft 6, two rotating shafts 6 are arranged side by side, and both rotating shafts 6 are rotatably connected to the bearing plate; a plurality of stirring rods 7 are installed on the rotating shaft 6, and the stirring rods 7 are all located directly above the fixed sleeve 2;

[0044] A driving assembly, the driving assembly is mounted on the bearing plate, and the output shaft of the driving assembly is connected to the two rotating shafts 6 through a gear assembly;

[0045] The heating element 3, the lead screw lifting assembly and the driving assembly are all electrically connected to the control element 1; the heating element 3, the lead screw lifting assembly, the driving assembly and the control element 1 are all powered by an external power supply (not shown in the figure);

[0046] The control element 1 can be set according to the specific use environment, for example, it can be a single chip microcomputer or controlled by PLC, ARM (Advanced RISC Machine: high-end reduced instruction set machine), FPGA (Field-Programmable Gate Array: Field Programmable Gate Array) and other methods, which are not specifically limited in this embodiment;

[0047] With such arrangement, the utility model can realize accurate control of the heating element 3 through the control element 1, and realize accurate adjustment of the temperature of the chemical sample through the heating element 3; by driving the two sets of rotating shafts 6 and the plurality of stirring rods 7 to rotate through the driving assembly, the sample can be efficiently stirred while being heated, thereby improving the uniformity of the chemical reaction and the heating efficiency;

[0048] The utility model drives the bearing plate to rise and fall through the screw lifting assembly, thereby lifting and falling the two sets of rotating shafts 6 and a plurality of stirring rods 7, making it easy to take the chemical instrument placed in the fixed sleeve 2, and at the same time making it convenient for users to observe and operate the samples, thereby improving the convenience of the experiment;

[0049] The utility model drives the fixing block 4 to extend through the elastic member 5, and the chemical instrument is stably placed in the fixing sleeve 2 through a plurality of fixing blocks 4. The elastic member 5 can be adapted to chemical instruments of different sizes, thereby improving the versatility of the device and the stability of the heating process; the heat loss during the heating process can be reduced through the heat preservation base assembly, thereby improving the heating efficiency;

[0050] The utility model can realize accurate control of the heating element 3, the screw lifting assembly and the driving assembly through the control element 1, and then can adjust parameters such as the heating temperature, the lifting height and the stirring speed, thereby improving the heating efficiency and the working efficiency.

[0051] Further optimizing the scheme, an annular baffle 8 is installed at the bottom of the bearing plate, the annular baffle 8 is located directly above the fixed sleeve 2, a first protective ring 9 is installed at the bottom of the annular baffle 8, a second protective ring 10 is installed at the top of the fixed sleeve 2, and the first protective ring 9 and the second protective ring 10 are arranged opposite to each other;

[0052] When the heating device is working, the annular baffle 8 is located directly above the fixed sleeve 2 to block liquid splashing, thereby preventing liquid or steam from directly contacting the motor or other electrical components, thereby improving the safety of the device.

[0053] According to a further optimized solution, the driving assembly includes a motor bracket 11 mounted on the top surface of the bearing plate, a reduction motor 12 is mounted on the motor bracket 11, the reduction motor 12 is electrically connected to the control element 1, and the output shaft of the reduction motor 12 is transmission-connected to the two rotating shafts 6 through a gear assembly.

[0054] Further optimized solution, the gear assembly includes a driving gear 13 and two driven gears 14, the driving gear 13 is installed on the output shaft of the reduction motor 12, and the two driven gears 14 are respectively installed on the top of the two rotating shafts 6, and the two driven gears 14 are meshed with the driving gear 13 for transmission;

[0055] When the reduction motor 12 is started, the driving gear 13 starts to rotate, and since the two driven gears 14 mesh with the driving gear 13, the two rotating shafts 6 will also rotate synchronously, thereby driving the several stirring rods 7 on the two rotating shafts 6 to rotate synchronously, effectively improving the stirring efficiency and improving the uniformity of the liquid heating.

[0056] To further optimize the solution, the screw lifting assembly includes:

[0057] A lead screw motor 15, the lead screw motor 15 is mounted on the top surface of the heat preservation base assembly, and the lead screw motor 15 is electrically connected to the control element 1;

[0058] A vertical plate 16, the vertical plate 16 is mounted on the top surface of the insulation base assembly;

[0059] The screw rod 17 is mounted on the output shaft of the screw motor 15 through a coupling, and the screw rod 17 is mounted on the vertical plate 16 through two limit bearing seats;

[0060] The sliding sleeve 18 is arranged on the screw rod 17 and is located between the two limit bearing seats; the bearing plate is installed on the sliding sleeve 18;

[0061] The screw motor 15 serves as a power source, driving the screw 17 to rotate through a coupling. The sleeve 18 is mounted on the screw 17. Due to the threaded fit between the screw and the sleeve, the sleeve 18 moves up and down along the screw 17. The supporting plate is mounted on the sleeve 18, so when the sleeve 18 moves, the supporting plate and the rotating shaft 6, stirring rod 7 and other components thereon will also rise and fall accordingly, thereby being able to adapt to sample instruments of different sizes and making it easier to take the instrument.

[0062] To further optimize the solution, the insulation base components include:

[0063] A base body 19, with legs 21 installed at the four corners of the bottom surface of the base body 19;

[0064] The insulation board 20 is fixedly mounted on the top surface of the base body 19; the material of the insulation board 20 can be set according to the specific use environment, such as polystyrene, polyurethane, glass wool, polyester honeycomb board, etc., which is not specifically limited in this embodiment;

[0065] Among them, the control element 1, the fixed sleeve 2, the screw motor 15 and the vertical plate 16 are all installed on the top surface of the insulation board 20;

[0066] The base body 19 serves as the supporting structure of the entire device, and the legs 21 ensure that the device is stably placed; the insulation board 20 is installed on the top surface of the base body 19 to play a role in heat insulation and heat preservation, reduce heat loss, and improve heating efficiency.

[0067] A further optimized solution is that the elastic member 5 includes a plurality of springs, the fixed block 4 is mounted on the inner wall of the fixed sleeve 2 through the plurality of springs, and the plurality of fixed blocks 4 are arranged at equal intervals along the circumferential direction of the axis of the fixed sleeve 2; when placed in a chemical instrument, the fixed block 4 is squeezed by the instrument and opens outward, and fits tightly to the outer wall of the instrument through the elastic force of the spring, thereby achieving a stable fixation; instruments of different sizes can be adapted by adjusting the degree of compression of the spring, ensuring that the device has good compatibility with instruments of various sizes.

[0068] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0069] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technical users in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A chemical analysis heating device, characterized in that: include: A heat-insulating base assembly, on which a control element (1) and a fixing sleeve (2) are mounted; A heating element (3), the heating element (3) being mounted on the inner bottom wall of the fixed sleeve (2); A fixing block (4), wherein a plurality of the fixing blocks (4) are provided, and the plurality of the fixing blocks (4) are mounted on the inner wall of the fixing sleeve (2) via an elastic member (5); A screw lifting assembly, the screw lifting assembly is mounted on the heat-insulating base assembly, and a bearing plate is mounted on the lifting end of the screw lifting assembly; A rotating shaft (6), wherein two rotating shafts (6) are arranged side by side, and both rotating shafts (6) are rotatably connected to the bearing plate; a plurality of stirring rods (7) are installed on the rotating shaft (6), and the stirring rods (7) are all located directly above the fixed sleeve (2); A driving assembly, the driving assembly being mounted on the bearing plate, the output shaft of the driving assembly being transmission-connected to the two rotating shafts (6) via a gear assembly; Wherein, the heating element (3), the lead screw lifting assembly and the driving assembly are all electrically connected to the control element (1).

2. The chemical analysis heating device according to claim 1, characterized in that: An annular baffle (8) is installed at the bottom of the bearing plate, and the annular baffle (8) is located directly above the fixed sleeve (2). A first protective ring (9) is installed at the bottom of the annular baffle (8), and a second protective ring (10) is installed at the top of the fixed sleeve (2). The first protective ring (9) and the second protective ring (10) are arranged opposite to each other.

3. The chemical analysis heating device according to claim 1, characterized in that: The driving assembly comprises a motor bracket (11) mounted on the top surface of the bearing plate, a reduction motor (12) is mounted on the motor bracket (11), the reduction motor (12) is electrically connected to the control element (1), and the output shaft of the reduction motor (12) is transmission-connected to the two rotating shafts (6) via the gear assembly.

4. The chemical analysis heating device according to claim 3, characterized in that: The gear assembly comprises a driving gear (13) and two driven gears (14), wherein the driving gear (13) is mounted on the output shaft of the reduction motor (12), and the two driven gears (14) are respectively mounted on the top of the two rotating shafts (6), and the two driven gears (14) are meshed with the driving gear (13) for transmission.

5. The chemical analysis heating device according to claim 1, characterized in that: The screw lifting assembly comprises: A screw motor (15), the screw motor (15) being mounted on the top surface of the heat-insulating base assembly, and the screw motor (15) being electrically connected to the control element (1); A vertical plate (16), the vertical plate (16) being mounted on the top surface of the heat-insulating base assembly; A screw rod (17), wherein the screw rod (17) is mounted on the output shaft of the screw motor (15) via a coupling, and the screw rod (17) is mounted on the vertical plate (16) via two limit bearing seats; A sliding sleeve (18) is slidably mounted on the screw rod (17) and is located between the two limit bearing seats; the bearing plate is mounted on the sliding sleeve (18).

6. The chemical analysis heating device according to claim 5, characterized in that: The insulation base assembly comprises: A base body (19), wherein legs (21) are installed at four corners of the bottom surface of the base body (19); A heat preservation plate (20), wherein the heat preservation plate (20) is fixedly mounted on the top surface of the base body (19); Wherein, the control element (1), the fixed sleeve (2), the screw motor (15) and the vertical plate (16) are all installed on the top surface of the insulation plate (20).

7. The chemical analysis heating device according to claim 1, characterized in that: The elastic member (5) comprises a plurality of springs, the fixing block (4) is mounted on the inner wall of the fixing sleeve (2) via the plurality of springs, and the plurality of fixing blocks (4) are arranged at equal intervals along the circumferential direction of the axis of the fixing sleeve (2).

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