Liquid level adjusting device of nitrogen tank filling machine

Abstract

The utility model discloses a liquid level adjusting device of a nitrogen tank filling machine, which relates to the technical field of nitrogen tank filling machines and comprises a filling component and an adjusting component. The filling assembly comprises a positioning column, a sliding sleeve, a fixing rod, a filling pipe, a first electromagnetic valve, a pressing disc, a connecting pipe and a liquid turbine flowmeter, the sliding sleeve is slidably connected to the surface of the positioning column, the fixing rod is arranged on the surface of the sliding sleeve, the filling pipe is arranged in the middle of the fixing rod, the first electromagnetic valve is arranged in the middle of the filling pipe, and the pressing disc is arranged at the bottom of the filling pipe; a connecting pipe is arranged at the top end of the filling pipe, and a liquid turbine flowmeter is arranged in the middle of the connecting pipe; the nitrogen filling device has the advantages that the liquid turbine flow meter and the liquid level controller are arranged, double detection can be conducted on the liquid level in the nitrogen tank, when the liquid level controller breaks down, the liquid turbine flow meter can still guarantee normal work of the nitrogen filling device, and safety of filling operation is improved.

Description

Technical Field

[0001] The utility model relates to a liquid level adjusting device, in particular to a liquid level adjusting device of a nitrogen tank filling machine, belonging to the technical field of nitrogen tank filling machines. Background Art

[0002] As an inert gas, nitrogen is widely used in the fields of food, medicine, and chemical industry. As an important equipment for nitrogen storage and transportation, the performance of the liquid level adjustment device of the nitrogen tank filling machine directly affects the quality and safety of nitrogen. At present, the existing liquid level adjustment devices of nitrogen tank filling machines are mostly mechanical or manually adjusted, with low adjustment accuracy and complex operation, which cannot meet the needs of high-precision liquid level adjustment. Therefore, a liquid level adjustment device for nitrogen tank filling machines is needed;

[0003] Among them, the "liquid level adjustment device for aseptic beverage canning machine" disclosed in the application number "CN200520041358.5" is also an increasingly mature technology. The utility model includes a float, a liquid level sensor, and a liquid level controller. The liquid level sensor and the liquid level controller are connected by a wire. The float is composed of a buoy and a magnetic ring. The buoy is welded by a float inner cylinder and a float outer cylinder, and the inside is hollow. The magnetic ring is expanded on the outer wall of the float inner cylinder of the buoy. The utility model can meet the control requirements of high-speed aseptic packaging equipment for material liquid level, and the control means are simple and the price is low;

[0004] However, the above method still has the following defects in actual use: the structure of the liquid level adjustment device is relatively simple, and when the liquid level sensor fails, it is easy to affect the normal filling operation, and its safety is poor. Utility Model Content

[0005] The purpose of the utility model is to provide a liquid level adjustment device for a nitrogen tank filling machine to solve the problem that the liquid level adjustment device proposed in the above background technology has a relatively simple structure and is likely to affect the normal filling operation when the liquid level sensor fails or misjudges.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a liquid level adjustment device for a nitrogen tank filling machine, comprising a filling component and an adjustment component; the filling component comprises a positioning column, a sleeve, a fixing rod, a filling tube, a liquid level controller, a first solenoid valve, a pressure plate, a connecting pipe and a liquid turbine flowmeter, the surface of the positioning column is slidably connected with a sleeve, the surface of the sleeve is provided with a fixing rod, the middle part of the fixing rod is provided with a filling tube, one side of the bottom end of the filling tube is provided with a liquid level controller, the middle part of the filling tube is provided with a first solenoid valve, the bottom of the filling tube is provided with a pressure plate, the top of the filling tube is provided with a connecting pipe, and the middle part of the connecting pipe is provided with a liquid turbine flowmeter; the adjustment component comprises a fixed platform, a fixed block and two electric cylinders, the fixed platform is provided at the bottom end of the positioning column, both sides of the top end of the fixed platform are provided with fixed blocks, the tops of the two fixed blocks are provided with electric cylinders, and the telescopic ends of the two electric cylinders are respectively fixedly connected to the two sides of the sleeve.

[0007] As a preferred technical solution of the utility model, a placing table is arranged at the bottom end of the fixing table.

[0008] As a preferred technical solution of the utility model, a placement plate is provided in the middle of the surface of the placement table.

[0009] As a preferred technical solution of the utility model, a second solenoid valve is provided on the top of the connecting pipe.

[0010] As a preferred technical solution of the utility model, a rubber pad is provided at the bottom end of the pressure plate.

[0011] As a preferred technical solution of the utility model, a filling head is provided at the bottom end of the filling tube.

[0012] As a preferred technical solution of the utility model, a switch panel is provided on one side of the placement table.

[0013] Compared with the related art, the liquid level adjustment device of the nitrogen tank filling machine provided by the utility model has the following beneficial effects:

[0014] The device is equipped with a liquid turbine flowmeter and a liquid level controller, which can perform dual detection of the liquid level in the nitrogen tank. When the liquid level controller fails, the liquid turbine flowmeter can still ensure the normal operation of the device, thereby improving the safety of the filling operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0017] Figure 3 It is a side structural schematic diagram of the utility model;

[0018] Figure 4 It is a partial enlarged structural schematic diagram of the canned component of the utility model.

[0019] In the figure: 1. Canning assembly; 11. Positioning column; 12. Sleeve; 13. Fixing rod; 14. Filling tube; 140. Liquid level controller; 141. First solenoid valve; 142. Pressure plate; 143. Rubber pad; 15. Connecting pipe; 16. Liquid turbine flowmeter; 161. Second solenoid valve; 17. Filling head; 2. Adjusting assembly; 21. Fixing table; 22. Fixing block; 23. Electric cylinder; 24. Placement table; 25. Placement board; 3. Switch panel. DETAILED DESCRIPTION

[0020] 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.

[0021] Embodiment 1:

[0022] See also Figure 1-4 The utility model provides a liquid level adjustment device for a nitrogen tank filling machine, comprising a filling component 1 and an adjustment component 2;

[0023] The canning assembly 1 includes a positioning column 11, a sliding sleeve 12, a fixing rod 13, a filling tube 14, a liquid level controller 140, a first solenoid valve 141, a pressure plate 142, a connecting tube 15 and a liquid turbine flowmeter 16. The surface of the positioning column 11 is slidably connected with the sliding sleeve 12, the surface of the sliding sleeve 12 is provided with the fixing rod 13, the middle of the fixing rod 13 is provided with the filling tube 14, one side of the bottom end of the filling tube 14 is provided with the liquid level controller 140, the middle of the filling tube 14 is provided with the first solenoid valve 141, the bottom of the filling tube 14 is provided with the pressure plate 142, the top of the filling tube 14 is provided with the connecting tube 15, and the middle of the connecting tube 15 is provided with the liquid turbine flowmeter 16;

[0024] A second solenoid valve 161 is fixedly provided on the top of the connecting pipe 15, and can remotely control the liquid level adjustment and closing;

[0025] A rubber pad 143 is fixedly provided at the bottom end of the pressure plate 142 to reduce nitrogen leakage;

[0026] A filling head 17 is fixedly provided at the bottom end of the filling tube 14 for filling;

[0027] Specifically, first, the top end of the connecting pipe 15 is connected to the liquid injection pipe of the filling machine, and liquid nitrogen can be injected into the connecting pipe 15 and the filling pipe 14 for filling operation. In order to facilitate the adjustment of the liquid level, a liquid turbine flowmeter 16 is arranged in the middle of the connecting pipe 15. The flow rate of the liquid nitrogen fluid is accurately measured by the liquid turbine flowmeter 16. By transmitting the flow rate information of the liquid nitrogen fluid to the external control center, when the set flow value is reached, the second solenoid valve 161 can be remotely controlled to be closed.

[0028] Embodiment 2:

[0029] The adjustment assembly 2 includes a fixed platform 21, a fixed block 22 and two electric cylinders 23. The fixed platform 21 is fixedly arranged at the bottom end of the positioning column 11. The fixed blocks 22 are fixedly arranged on both sides of the top of the fixed platform 21. The electric cylinders 23 are fixedly arranged on the tops of the two fixed blocks 22. The telescopic ends of the two electric cylinders 23 are fixedly connected to the two sides of the sliding sleeve 12 respectively.

[0030] A placing table 24 is fixedly provided at the bottom end of the fixing table 21;

[0031] A placement plate 25 is fixedly disposed in the middle of the surface of the placement table 24;

[0032] A switch panel 3 is fixedly arranged on one side of the placement table 24;

[0033] Specifically, the staff first adjusts the height of the filling head 17 according to the height of the nitrogen tank, controls the opening of the electric cylinder 23 through the switch panel 3, and the telescopic ends of the two electric cylinders 23 drive the sliding sleeve 12 and the fixed rod 13 to slide on the surface of the positioning column 11, adjusts the filling head 17 to a desired height, and makes the bottom rubber pad 143 of the pressure plate 142 press tightly against the filling port of the nitrogen tank.

[0034] When in use, firstly, the liquid level adjustment device of the nitrogen tank filling machine is moved to a suitable position through the placement table 24, and the nitrogen tank to be filled with liquid nitrogen is placed in the middle of the surface of the placement plate 25. Then, the staff adjusts the height of the filling head 17 according to the height of the nitrogen tank, and controls the opening of the electric cylinder 23 through the switch panel 3. The telescopic ends of the two electric cylinders 23 drive the sliding sleeve 12 and the fixed rod 13 to slide on the surface of the positioning column 11, and adjust the height of the filling head 17 to the highest, and make the rubber pad 143 at the bottom of the pressure plate 142 press the filling port of the nitrogen tank tightly to keep it relatively high. A good sealing state can reduce nitrogen leakage. The top of the connecting pipe 15 is connected to the injection pipe of the filling machine, and liquid nitrogen can be injected into the connecting pipe 15 and the filling pipe 14 for filling. In order to facilitate the adjustment of the liquid level, a liquid turbine flowmeter 16 is arranged in the middle of the connecting pipe 15. The flow rate of the liquid nitrogen fluid is accurately measured by the liquid turbine flowmeter 16. By transmitting the flow rate information of the liquid nitrogen fluid to the external control center, when the set flow value is reached, the second solenoid valve 161 can be remotely controlled to be closed, which can improve the loading accuracy of the nitrogen tank filling machine;

[0035] At the same time, in order to improve the safety of the filling operation, a liquid level controller 140 for detecting the liquid nitrogen water level is provided on one side of the bottom end of the filling tube 14. The water level is monitored in real time through the detection end of the liquid level controller 140. When the set water level value is reached, the first solenoid valve 141 can be controlled to close, thereby realizing automatic control and reducing labor intensity.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A liquid level adjustment device for a nitrogen tank filling machine, It is characterized in that include A canning assembly (1), the canning assembly (1) comprising a positioning column (11), a sliding sleeve (12), a fixing rod (13), a filling tube (14), a liquid level controller (140), a first electromagnetic valve (141), a pressure plate (142), a connecting tube (15) and a liquid turbine flow meter (16); the surface of the positioning column (11) is slidably connected with the sliding sleeve (12); the surface of the sliding sleeve (12) is provided with a fixing rod (13); the middle of the fixing rod (13) is provided with a filling tube (14); one side of the bottom end of the filling tube (14) is provided with a liquid level controller (140); the middle of the filling tube (14) is provided with a first electromagnetic valve (141); the bottom of the filling tube (14) is provided with a pressure plate (142); the top of the filling tube (14) is provided with a connecting tube (15); the middle of the connecting tube (15) is provided with a liquid turbine flow meter (16); An adjustment component (2), the adjustment component (2) comprising a fixed platform (21), a fixed block (22) and two electric cylinders (23), the fixed platform (21) being arranged at the bottom end of the positioning column (11), the fixed blocks (22) being arranged on both sides of the top end of the fixed platform (21), the electric cylinders (23) being arranged on the top ends of the two fixed blocks (22), the telescopic ends of the two electric cylinders (23) being respectively fixedly connected to both sides of the sliding sleeve (12).

2. A liquid level adjustment device for a nitrogen tank filling machine according to claim 1, Features: A placing platform (24) is provided at the bottom end of the fixing platform (21).

3. A liquid level adjustment device for a nitrogen tank filling machine according to claim 2, Features: A placement plate (25) is provided in the middle of the surface of the placement platform (24).

4. The liquid level adjustment device for a nitrogen tank filling machine according to claim 1, Features: A second solenoid valve (161) is provided at the top of the connecting pipe (15).

5. The liquid level adjustment device for a nitrogen tank filling machine according to claim 1, Features: A rubber pad (143) is provided at the bottom end of the pressure plate (142).

6. The liquid level adjustment device for a nitrogen tank filling machine according to claim 1, Features: A filling head (17) is provided at the bottom end of the filling tube (14).

7. The liquid level adjustment device for a nitrogen tank filling machine according to claim 2, Features: A switch panel (3) is provided on one side of the placement platform (24).

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