Material weighing device for preparing ultralow-temperature electrolyte of battery

Abstract

The utility model discloses a material weighing device for preparing an ultralow-temperature electrolyte of a battery, relates to the technical field of material weighing devices, and aims to solve the problems that a weighed acid material needs to be manually transferred to a preparation position of the electrolyte when an existing weighing device is used for weighing acid on the electrolyte, but sulfuric acid is corrosive, so that the material weighing device cannot be used for weighing the acid material. The device comprises a supporting table, a preparation cylinder is arranged at the upper end of the supporting table, a top cover disc is arranged at the upper end of the preparation cylinder, and a driving motor is arranged at the top of the top cover disc; the lifting pedestal is arranged on one side of the supporting table, an electronic scale is arranged at the upper end of the lifting pedestal in an embedded mode, a barrel containing groove is formed in the upper end of the electronic scale, and a loading barrel is arranged at the upper end of the barrel containing groove; the extending top tray is arranged right above the loading cylinder, and a sulfuric acid pump is arranged at the top of the extending top tray.

Description

Technical Field

[0001] The utility model relates to the technical field of material weighing devices, in particular to a material weighing device for preparing ultra-low temperature electrolyte of a battery. Background Art

[0002] Battery ultra-low temperature electrolyte refers to an electrolyte that can still maintain good conductivity and stability in a low temperature environment. The electrolyte is prepared with concentrated sulfuric acid with a density of 1.84 and pure water. The materials need to be weighed during the preparation of the electrolyte.

[0003] For example, the announcement number is: CN215955444U (named as an automatic quantitative weighing device for acid addition), which includes: a base, an acid-adding component, a weighing component and an acid-adding component; the base has a control panel installed on one side of the top, a support column is fixedly connected to the side of the top of the base close to the control panel, and a vacuum measuring cup is arranged at the middle position of the top of the base; the acid-adding component is installed on the top of the outer side of the support column, and the acid-adding component is fixedly connected to the support column; the weighing component is installed in the middle position of the outer side of the support column, and the weighing component is fixedly connected to the support column, and the weighing component is located at the top. Directly below the acid component; the acid adding component is installed at the bottom of the outer side of the support column, and the acid adding component is fixedly connected to the support column, the acid adding component is located directly below the weighing component, the weighing component can be used to avoid the influence of electrolyte temperature fluctuation on electrolyte density, thereby affecting the consistency of acid addition in the process, and can also reduce the inconsistency of acid addition process caused by equipment accuracy problems, affecting the consistency of battery pack performance; and the utility model is provided with an acid adding component, the acid adding component can be used to avoid the lack of acid or insufficient acid caused by inadequate acid application, thereby improving the effect of acid adding.

[0004] When the above-mentioned weighing device weighs the acid on the electrolyte, it is necessary to manually transfer the weighed acid material to the electrolyte preparation position. However, sulfuric acid is corrosive, and the safety factor of manual transfer of acid material is low, resulting in the problem that the weighing device cannot be used synchronously with the electrolyte preparation equipment. For this reason, we provide a material weighing device for preparing ultra-low temperature electrolyte for batteries. Utility Model Content

[0005] The purpose of the utility model is to provide a material weighing device for preparing ultra-low temperature electrolyte for batteries, so as to solve the problem that the existing weighing device proposed in the above background technology needs to manually transfer the weighed acid material to the preparation position of the electrolyte when weighing the acid on the electrolyte, but sulfuric acid is corrosive and the safety factor of manually transferring the acid material is low, resulting in the weighing device being unable to be used synchronously with the electrolyte preparation equipment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a material weighing device for preparing ultra-low temperature electrolyte for batteries, comprising a support platform, a preparation cylinder is arranged at the upper end of the support platform, a top cover plate is arranged at the upper end of the preparation cylinder, and a driving motor is arranged at the top of the top cover plate;

[0007] Also includes:

[0008] A lifting platform is arranged on one side of the support platform, and an electronic scale is embedded in the upper end of the lifting platform, a barrel placing groove is arranged on the upper end of the electronic scale, and a loading barrel is placed on the upper end of the barrel placing groove;

[0009] An extended top plate is arranged just above the loading cylinder, and a sulfuric acid pump is arranged on the top of the extended top plate. Carbon steel pipes are arranged on the feed end and the discharge end of the sulfuric acid pump, and a carbon steel pipe passes through and extends to the interior of the preparation cylinder.

[0010] Preferably, a port groove is provided at the connection position between the lifting platform and the support platform, the port groove and the support platform are an integrated structure, and a seat plate is provided on the inner wall of the port groove, and a guide groove is provided on the inner wall of the seat plate.

[0011] Preferably, a connecting slider is slidably arranged inside the guide slide groove, and the connecting slider and the lifting platform are an integrated structure.

[0012] Preferably, a stirring shaft is provided inside the preparation cylinder, and a coupling is provided at the connection position between the stirring shaft and the output shaft of the driving motor.

[0013] Preferably, an electric push rod is arranged below the lifting platform, and the top position of the piston rod of the electric push rod is welded to the bottom of the lifting platform.

[0014] Preferably, a liquid discharge pipe is arranged on the front end surface of the preparation tube, and the liquid discharge pipe is connected to the interior of the preparation tube.

[0015] Preferably, a mounting connecting rod is provided between the extended top plate and the preparation cylinder, and two ends of the mounting connecting rod are respectively welded to the extended top plate and the preparation cylinder.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model drives the lifting platform to rise by an electric push rod, so that the loading cylinder and the extended top plate are sealed and plugged, and then the concentrated sulfuric acid weighed in the loading cylinder is extracted and injected into the interior of the preparation cylinder through a sulfuric acid pump and two carbon steel pipes. As the concentrated sulfuric acid is continuously extracted, the value on the electronic scale becomes smaller and smaller. According to the change of the difference, the amount of concentrated sulfuric acid extracted is judged to achieve the purpose of quantitative acid application. No manual touch transfer is required during the entire material weighing and acid application process, which improves the safety of electrolyte preparation and overcomes the problem that the existing weighing device needs to manually transfer the weighed acid material to the electrolyte preparation position when weighing the acid application on the electrolyte. However, sulfuric acid is corrosive and the safety factor of manually transferring the acid material is low, resulting in the problem that the weighing device cannot be used synchronously with the electrolyte preparation equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the material weighing device for preparing ultra-low temperature electrolyte for batteries of the utility model;

[0019] Figure 2 This is a schematic diagram of the support platform structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the internal structure of the preparation cylinder and the loading cylinder of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the lifting platform of the utility model;

[0022] In the figure: 1. Support table; 2. Preparation cylinder; 3. Loading cylinder; 4. Lifting platform; 5. Top cover plate; 6. Driving motor; 7. Extended top plate; 8. Sulfuric acid pump; 9. Carbon steel pipeline; 10. Erection connecting rod; 11. Electronic scale; 12. Electric push rod; 13. Drain pipe; 14. Backrest plate; 15. Guide slide groove; 16. Port groove; 17. Stirring shaft; 18. Coupling; 19. Connecting slider; 20. Cylinder placement groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] See also Figure 1-4 The utility model provides an embodiment: a material weighing device for preparing ultra-low temperature electrolyte of a battery, comprising a support platform 1, a preparation tube 2 is arranged at the upper end of the support platform 1, a top cover plate 5 is arranged at the upper end of the preparation tube 2, and a driving motor 6 is arranged at the top of the top cover plate 5;

[0025] Also includes:

[0026] A lifting platform 4 is arranged on one side of the support platform 1, and an electronic scale 11 is embedded in the upper end of the lifting platform 4, a barrel placing groove 20 is arranged on the upper end of the electronic scale 11, and a loading barrel 3 is placed on the upper end of the barrel placing groove 20;

[0027] An extended top plate 7 is arranged directly above the loading cylinder 3, and a sulfuric acid pump 8 is arranged on the top of the extended top plate 7. Carbon steel pipes 9 are arranged on the feed end and the discharge end of the sulfuric acid pump 8. A carbon steel pipe 9 passes through and extends to the interior of the preparation cylinder 2.

[0028] When in use, the lifting platform is raised by the electric push rod, so that the loading cylinder and the extended top plate are sealed and plugged, and then the weighed concentrated sulfuric acid in the loading cylinder is extracted through the sulfuric acid pump and two carbon steel pipes and injected into the preparation cylinder. As the concentrated sulfuric acid is continuously extracted, the value on the electronic scale continues to decrease. According to the change in the difference, the amount of concentrated sulfuric acid extracted is judged to achieve the purpose of quantitative acid application. During the entire process of material weighing and acid application, no manual touch and transfer is required, which improves the safety of electrolyte preparation.

[0029] See also Figure 2 A port groove 16 is provided at the connection position between the lifting platform seat 4 and the support platform 1. The port groove 16 and the support platform 1 are an integrated structure, and a seat plate 14 is provided on the inner wall of the port groove 16. A guide groove 15 is provided on the inner wall of the seat plate 14. The port groove 16 provided at the connection position between the lifting platform seat 4 and the support platform 1 plays the role of supporting the seat plate 14.

[0030] See also Figure 4 A connecting slider 19 is slidably arranged inside the guide slot 15 . The connecting slider 19 and the lifting platform 4 are an integrated structure. The connecting slider 19 slidably arranged inside the guide slot 15 plays a role of corresponding connection with the guide slot 15 .

[0031] See also Figure 3 A stirring shaft 17 is arranged inside the preparation barrel 2, and a coupling 18 is arranged at the connection position between the stirring shaft 17 and the output shaft of the driving motor 6. The stirring shaft 17 arranged inside the preparation barrel 2 plays a role in assisting material mixing.

[0032] See also Figure 1 An electric push rod 12 is arranged below the lifting platform 4, and the top position of the piston rod of the electric push rod 12 is welded to the bottom of the lifting platform 4. The electric push rod 12 arranged below the lifting platform 4 plays a role in driving the lifting platform 4 to move up and down.

[0033] See also Figure 1 A drain pipe 13 is arranged on the front end surface of the preparation tube 2, and the drain pipe 13 is connected to the interior of the preparation tube 2. The drain pipe 13 arranged on the front end surface of the preparation tube 2 serves to discharge the finished electrolyte.

[0034] See also Figure 3 A mounting connecting rod 10 is arranged between the extended top plate 7 and the preparation cylinder 2, and the two ends of the mounting connecting rod 10 are respectively welded to the extended top plate 7 and the preparation cylinder 2. The mounting connecting rod 10 arranged between the extended top plate 7 and the preparation cylinder 2 plays the role of connecting the extended top plate 7 and the preparation cylinder 2.

[0035] Working principle: When in use, the concentrated sulfuric acid for preparing the ultra-low temperature electrolyte is loaded into the interior of the loading cylinder 3, and then the required bottled pure water is poured into the interior of the preparation cylinder 2 through the gap between the preparation cylinder and the top cover plate 5, and the concentrated sulfuric acid in the loading cylinder 3 is weighed by the electronic scale 11. After weighing the required amount of concentrated sulfuric acid, the lifting platform 4 is driven to rise by the electric push rod 12, so that the loading cylinder 3 and the extended top plate 7 are sealed and plugged, and then the weighed concentrated sulfuric acid in the loading cylinder 3 is extracted and injected into the interior of the preparation cylinder 2 through the sulfuric acid pump 8 and two carbon steel pipes 9. As the concentrated sulfuric acid is continuously extracted, the value on the electronic scale 11 becomes smaller and smaller. According to the change of the difference, the amount of concentrated sulfuric acid extracted is judged to achieve the purpose of quantitative acid application, and finally the driving motor 6 drives the stirring shaft 17 to rotate, so that the water and concentrated sulfuric acid are fully mixed and stirred to prepare the electrolyte. In the whole process of material weighing and acid application, no manual touch and transfer is required, which improves the safety of electrolyte preparation and completes the use of the material weighing device for preparing ultra-low temperature electrolyte of the battery.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A material weighing device for preparing ultra-low temperature electrolyte for batteries, comprising a support platform (1), a preparation cylinder (2) being arranged at the upper end of the support platform (1), a top cover plate (5) being arranged at the upper end of the preparation cylinder (2), and a driving motor (6) being arranged at the top of the top cover plate (5); Features: Also includes: A lifting platform (4) is arranged on one side of the support platform (1), and an electronic scale (11) is embedded in the upper end of the lifting platform (4), a barrel placing groove (20) is arranged at the upper end of the electronic scale (11), and a loading barrel (3) is placed at the upper end of the barrel placing groove (20); An extended top plate (7) is arranged directly above the loading cylinder (3), and a sulfuric acid pump (8) is arranged on the top of the extended top plate (7). Carbon steel pipes (9) are arranged on the feed end and the discharge end of the sulfuric acid pump (8), and a carbon steel pipe (9) passes through and extends to the interior of the preparation cylinder (2).

2. A material weighing device for preparing ultra-low temperature electrolyte for batteries according to claim 1, characterized in that: A port groove (16) is provided at the connection position between the lifting platform seat (4) and the support platform (1); the port groove (16) and the support platform (1) are an integral structure; a seat plate (14) is provided on the inner wall of the port groove (16); and a guide slide groove (15) is provided on the inner wall of the seat plate (14).

3. The material weighing device for preparing ultra-low temperature electrolyte for batteries according to claim 2, characterized in that: A connecting slider (19) is slidably arranged inside the guide slide groove (15), and the connecting slider (19) and the lifting platform (4) are an integrated structure.

4. The material weighing device for preparing ultra-low temperature electrolyte for batteries according to claim 1, characterized in that: A stirring shaft (17) is arranged inside the preparation cylinder (2), and a coupling (18) is arranged at the connection position between the stirring shaft (17) and the output shaft of the driving motor (6).

5. The material weighing device for preparing ultra-low temperature electrolyte for batteries according to claim 1, characterized in that: An electric push rod (12) is arranged below the lifting platform (4), and the top position of the piston rod of the electric push rod (12) is welded to the bottom of the lifting platform (4).

6. The material weighing device for preparing ultra-low temperature electrolyte for batteries according to claim 1, characterized in that: A liquid discharge pipe (13) is arranged on the front end surface of the preparation cylinder (2), and the liquid discharge pipe (13) is connected to the interior of the preparation cylinder (2).

7. The material weighing device for preparing ultra-low temperature electrolyte for batteries according to claim 1, characterized in that: A mounting connecting rod (10) is provided between the extended top plate (7) and the preparation cylinder (2), and two ends of the mounting connecting rod (10) are respectively welded to the extended top plate (7) and the preparation cylinder (2).

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