Quantitative filling system with double plunger pumps

Abstract

The utility model discloses a double plunger pump quantitative filling system which comprises a base, two filling assemblies are arranged on the two sides of the base respectively, each filling assembly comprises an air cylinder, a plunger pump, a three-way valve and a filling nozzle, the plunger pumps and the air cylinders are arranged on the base, the three-way valves are arranged at the tops of the plunger pumps, and the filling nozzles are communicated with one sides of the three-way valves. A piston rod of the cylinder drives the plunger pump to work and sleeved with a signal panel, an adjusting unit is arranged on one side of the base and drives a proximity switch to ascend and descend, and the proximity switch is used for detecting the position of the signal panel and controlling the cylinder to work. According to the double-plunger-pump quantitative filling system, the adjusting unit is adopted, the working state of the air cylinder can be adjusted, the feeding amount of the plunger pumps can be adjusted, then the filling amount can be automatically adjusted, the adjusting bolt is matched, the filling amount can be manually and accurately finely adjusted, and the filling precision is improved; in addition, the single charging barrel is directly connected with the two filling assemblies through the three-way pipe, occupied space can be saved, and cost is reduced.

Description

Technical Field

[0001] The utility model relates to a filling technology, in particular to a double-plunger pump quantitative filling system. Background Art

[0002] At present, the traditional paste filling system places the container to be filled on the production line for filling. During the entire filling process, the container needs to be transported on the production line to complete operations such as container sorting and paste filling.

[0003] The current plunger pump filling system requires workers to manually adjust the filling volume. However, when manually adjusting the filling volume, it is necessary not only to stop the machine first and then adjust the pump body through an external adjustment device, which is inconvenient to operate and affects production efficiency, but also the accuracy is difficult to control and the error is large. Utility Model Content

[0004] In order to solve the defects of the prior art mentioned above, the utility model provides a double-plunger pump quantitative filling system, which can adjust the filling volume quickly and accurately.

[0005] To achieve the above technical objectives, the utility model adopts the following technical solutions: a double-plunger pump quantitative filling system, comprising a base, two filling components are respectively provided on both sides of the base, the filling components include a cylinder, a plunger pump, a three-way valve and a filling nozzle, the plunger pump and the cylinder are both arranged on the base, the three-way valve is arranged on the top of the plunger pump, the filling nozzle is connected to one side of the three-way valve, the cylinder piston rod drives the plunger pump to work, the piston rod sleeve is provided with a signal disk, an adjustment unit is provided on one side of the base, the adjustment unit drives the proximity switch to rise and fall, and the proximity switch is used to detect the position of the signal disk and control the operation of the cylinder.

[0006] Preferably, the adjustment unit includes a motor, a screw, a guide rod and a mounting plate, the motor is fixed to the bottom of the base, the bottom end of the screw passes through the base and is transmission-connected to the motor output shaft, the mounting plate is threadedly engaged with the screw, the guide rod passes through the mounting plate and is fixed to the base, and the proximity switch is fixed to the side of the mounting plate facing the signal disk.

[0007] Preferably, an adjusting bolt is fixed to the top end of the screw rod, and the rotation of the adjusting bolt drives the screw rod to rotate.

[0008] Preferably, a position indicator is provided on the top of the screw rod.

[0009] Preferably, the cylinder is fixed to the bottom of the base, the plunger pump is fixed above the base, and the piston rod of the cylinder passes upward through the base and is connected to the plunger pump.

[0010] Preferably, the tops of the two three-way valves are respectively connected to the two ends of the bottom of the three-way pipe, and the top of the three-way pipe is connected to the barrel.

[0011] In summary, the utility model has achieved the following technical effects:

[0012] The double-plunger pump quantitative filling system of the utility model adopts an adjusting unit, which can adjust the working state of the cylinder and adjust the feed amount of the plunger pump, thereby realizing automatic adjustment of the filling amount. In combination with the adjusting bolt, the filling amount can be manually and accurately fine-tuned to improve the filling accuracy. In addition, a single barrel is directly connected to two filling components through a three-way pipe, which can save space and reduce costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the double plunger pump quantitative filling system of the utility model;

[0014] Explanation of the reference numerals in the drawings in the specification: 1. Base; 2. Cylinder; 3. Plunger pump; 4. Three-way valve; 5. Three-way pipe; 6. Barrel; 7. Filling nozzle; 8. Filling container; 9. Signal panel; 10. Proximity switch; 11. Mounting plate; 12. Screw rod; 13. Guide rod; 14. Position indicator; 15. Adjusting bolt; 16. Motor; 17. Piston rod. DETAILED DESCRIPTION

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0016] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0017] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element 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.

[0018] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0019] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0021] Embodiment 1:

[0022] like Figure 1 As shown, a quantitative filling system with a double plunger pump 3 comprises a base 1, two filling assemblies are respectively arranged on both sides of the base 1, the filling assemblies comprise a cylinder 2, a plunger pump 3, a three-way valve 4 and a filling nozzle 7, the cylinder 2 is fixed at the bottom of the base 1, the plunger pump 3 is fixed above the base 1, the piston rod 17 of the cylinder 2 passes upward through the base 1 and is connected to the bottom end of the plunger pump 3, the three-way valve 4 is arranged at the top of the plunger pump 3, the filling nozzle 7 is connected to one side of the three-way valve 4, the piston rod 17 of the cylinder 2 drives the plunger pump 3 to work, the piston rod 17 is sleeved with a signal disk 9, an adjusting unit is arranged on one side of the base 1, the adjusting unit drives the proximity switch 10 to rise and fall, the proximity switch 10 is used to detect the position of the signal disk 9 and control the operation of the cylinder 2; the tops of the two three-way valves 4 are respectively connected to the two ends of the bottom of the three-way pipe 5, and the top of the three-way pipe 5 is connected to the barrel 6.

[0023] One end of the three-way pipe 5 is connected to the barrel 6, and the other two ends are respectively connected to the top of the three-way valve 4; the bottom end of the three-way valve 4 is connected to the plunger pump 3, and the third end of the three-way valve 4 is connected to the filling nozzle 7; the proximity switch 10 also controls the working state of the three-way valve 4.

[0024] The dual-plunger pump 3 quantitative filling system of the present embodiment adopts an adjusting unit, which can adjust the working state of the cylinder 2 and the feed amount of the plunger pump 3, thereby realizing automatic adjustment of the filling amount. In combination with the adjusting bolt 15, the filling amount can be manually and accurately fine-tuned to improve the filling accuracy. In addition, a single barrel 6 is directly connected to two filling components through a three-way pipe 5, which can save space and reduce costs.

[0025] The adjustment unit includes a motor 16, a screw rod 12, a guide rod 13 and a mounting plate 11. The motor 16 is fixed to the bottom of the base 1. The bottom end of the screw rod 12 passes through the base 1 and is connected to the output shaft of the motor 16. The mounting plate 11 is threadedly engaged with the screw rod 12. The guide rod 13 passes through the mounting plate 11 and is fixed to the base 1. The proximity switch 10 is fixed to the side of the mounting plate 11 facing the signal disk 9.

[0026] An adjusting bolt 15 is fixed to the top of the screw rod 12 , and the screw rod 12 is driven to rotate by the adjusting bolt 15 .

[0027] A position display 14 is provided on the top of the screw rod 12; the position display 14, also known as a counter, is a machine for displaying the position, and the models are 04, 09, and 10, and are widely used in woodworking machinery, packaging machinery, labeling machinery, shearing machines, color printing machines, filling machines, etc.; in this application, it is used to display the position of the mounting plate 11 and the proximity switch 10, so that the worker can manually fine-tune the screw rod 12 according to the preset position, further improving the filling volume adjustment accuracy,

[0028] Working principle: When the filling container 8 is replaced and the filling volume needs to be adjusted, it can be adjusted automatically: the motor 16 drives the screw 12 to rotate, driving the mounting plate 11 to rise or fall, so that the height of the proximity switch 10 changes, thereby adjusting the moving distance of the piston rod 17 of the cylinder 2, and then automatically adjusting the feed amount of the plunger pump 3 from the barrel 6; and because the adjustment unit does not contact the piston rod 17, the filling system does not need to be shut down; in addition, according to the position information of the mounting plate 11 measured by the position display 14, the worker can manually fine-tune it, and further adjust the position of the mounting plate 11. The filling amount can be precisely fine-tuned to improve the filling accuracy; during filling, the filling container 8 is moved to the bottom of the filling nozzle 7, first the three-way valve 4 connects the barrel 6 and the plunger pump 3, the cylinder 2 drives the piston rod 17 to move downward, so that the plunger pump 3 feeds, until the signal disk 9 moves to the proximity switch 10, at which time the proximity switch 10 controls the cylinder 2 to stop working, and makes the three-way valve 4 work, connecting the plunger pump 3 and the filling nozzle 7, the cylinder 2 drives the piston rod 17 to move upward, and squeezes the material in the plunger pump 3 into the filling container 8; repeat the above operation to perform quantitative filling on multiple filling containers 8.

[0029] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A double plunger pump quantitative filling system, characterized in that: It includes a base, two filling components are respectively arranged on both sides of the base, the filling components include a cylinder, a plunger pump, a three-way valve and a filling nozzle, the plunger pump and the cylinder are both arranged on the base, the three-way valve is arranged on the top of the plunger pump, the filling nozzle is connected to one side of the three-way valve, the cylinder piston rod drives the plunger pump to work, the piston rod sleeve is provided with a signal disk, an adjustment unit is provided on one side of the base, the adjustment unit drives the proximity switch to rise and fall, and the proximity switch is used to detect the position of the signal disk and control the operation of the cylinder.

2. A double plunger pump quantitative filling system according to claim 1, characterized in that: The adjustment unit includes a motor, a screw, a guide rod and a mounting plate. The motor is fixed to the bottom of the base. The bottom end of the screw passes through the base and is drivingly connected to the motor output shaft. The mounting plate is threadedly engaged with the screw. The guide rod passes through the mounting plate and is fixed to the base. The proximity switch is fixed to the side of the mounting plate facing the signal disk.

3. A double plunger pump quantitative filling system according to claim 2, characterized in that: An adjusting bolt is fixed on the top of the screw rod, and the screw rod is driven to rotate when the adjusting bolt rotates.

4. A double plunger pump quantitative filling system according to claim 2, characterized in that: A position indicator is arranged on the top of the screw rod.

5. A double plunger pump quantitative filling system according to claim 1, characterized in that: The cylinder is fixed to the bottom of the base, the plunger pump is fixed above the base, and the piston rod of the cylinder passes through the base upward and is connected to the plunger pump.

6. A double plunger pump quantitative filling system according to claim 1, characterized in that: The tops of the two three-way valves are respectively communicated with the two ends of the bottom of the three-way pipe, and the top of the three-way pipe is communicated with the barrel.

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