CN219733576U - Quantitative metering pump - Google Patents
Quantitative metering pump Download PDFInfo
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- CN219733576U CN219733576U CN202321355410.9U CN202321355410U CN219733576U CN 219733576 U CN219733576 U CN 219733576U CN 202321355410 U CN202321355410 U CN 202321355410U CN 219733576 U CN219733576 U CN 219733576U
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- 239000007788 liquid Substances 0.000 claims abstract description 84
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 8
- 239000003814 drug Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of metering equipment, and provides a quantitative metering pump, which comprises: the metering pump is arranged on the lifting mechanism, the lifting mechanism is arranged on the base, and the wheels are arranged on the lower surface of the base; the metering pump comprises a telescopic rod, a metering cylinder, a metering tube, a liquid supply tube and a liquid outlet tube, wherein a piston is arranged at the end part of the telescopic rod and is positioned in the metering cylinder, electromagnetic valves are arranged on the liquid supply tube and the liquid outlet tube, the liquid supply tube is communicated with the first end of the metering tube, the liquid outlet tube is communicated with the second end of the metering tube, and the third end of the metering tube is communicated with the metering tube; the telescopic rod is adopted to realize reciprocating motion, the conveying amount of liquid is controlled and metered by controlling the piston movement distance of the telescopic rod, conveying is realized, high-precision and quantitative liquid conveying can be realized, and the conveying efficiency and the quantitative precision of the liquid can be improved.
Description
Technical Field
The utility model belongs to the technical field of metering equipment, and particularly relates to a quantitative metering pump.
Background
Metering pumps, also known as metering pumps or proportional pumps, are one type of fluid delivery machinery and are distinguished by the fact that a constant flow rate independent of the discharge pressure is maintained. The metering pump can simultaneously complete the functions of conveying, metering and adjusting, thereby simplifying the production process flow. By using a plurality of metering pumps, a plurality of mediums can be input into the process flow according to an accurate proportion for mixing. Due to its own prominence, metering pumps are now widely used in various industrial fields of petrochemical industry, pharmaceutical industry, food industry, and the like. The existing metering pump has large weight, has less application to equipment requiring high-precision metering for medicines, cannot meet the high-precision requirement for the metering precision of the metering pump at present, and is a difficult problem to be solved in the production and processing of the medicine industry, which is applied to the high-precision end, how to improve the metering precision of the metering pump.
Disclosure of Invention
In order to solve at least one technical problem in the background technology, the utility model provides a quantitative metering pump, wherein a telescopic rod of the quantitative metering pump realizes reciprocating motion, and the conveying amount of liquid is controlled and metered by controlling the piston movement distance of the telescopic rod, so that the liquid can be conveyed in a high-precision and quantitative manner, and the conveying efficiency and the quantitative precision of the liquid can be improved.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a metered dose pump comprising: the metering pump is arranged on the lifting mechanism, the lifting mechanism is arranged on the base, and the wheels are arranged on the lower surface of the base;
the metering pump comprises a telescopic rod, a metering cylinder, a metering tube, a liquid supply tube and a liquid outlet tube, wherein a piston is arranged at the end part of the telescopic rod and is positioned in the metering cylinder, electromagnetic valves are arranged on the liquid supply tube and the liquid outlet tube, the liquid supply tube is communicated with the first end of the metering tube, the liquid outlet tube is communicated with the second end of the metering tube, and the third end of the metering tube is communicated with the metering tube;
when air is required to be discharged, pushing a piston of the telescopic rod to the end part of the metering cylinder, closing an electromagnetic valve of the liquid inlet pipe, and opening an electromagnetic valve of the liquid outlet pipe to discharge the air in the metering cylinder and the metering pipe;
when a set amount of liquid is required to be sucked, closing the electromagnetic valve of the liquid outlet pipe, opening the electromagnetic valve of the liquid inlet pipe, enabling the piston of the telescopic rod to move towards the other end of the metering cylinder, and sucking the liquid stored in the liquid storage tank into the metering cylinder through the liquid inlet pipe;
when the liquid in the set quantity is required to be discharged, the electromagnetic valve of the liquid inlet pipe is closed, the electromagnetic valve of the liquid outlet pipe is opened, the piston of the telescopic rod is pushed to the end part of the metering cylinder, the liquid reserved in the metering cylinder is discharged into the liquid outlet pipe, and the liquid in the set quantity is conveyed to the set station by the liquid outlet pipe.
Further, the telescopic link includes the main tank body, be equipped with lead screw drive mechanism in the main tank body and be used for driving lead screw drive mechanism and open the motor that stops, lead screw drive mechanism is including wearing to locate the fixed pipe on the main tank body, locate in the fixed pipe and rotatable lead screw and with lead screw thread fit's push pipe, be equipped with the switch control piece on the push pipe, fixed pipe both ends are equipped with respectively can with the first micro-gap switch and the second micro-gap switch of switch control piece cooperation control motor shut down, the tip installation piston of push pipe, the piston is in the measuring cylinder.
Further, a distance sensor is installed at the end of the telescopic rod, and the telescopic distance of the telescopic rod is calculated by using the distance sensor, so that the pumped liquid amount in each stage is calculated.
Further, elevating system includes the pneumatic cylinder, pneumatic cylinder fixed mounting is on the base, and drive connecting rod one end is articulated with the output end of pneumatic cylinder, and drive connecting rod's middle part is articulated with the end of guide pillar connecting rod, and drive connecting rod other end is articulated with the base bottom, and guide table fixed mounting is on the base, guide pillar connecting rod and guide table middle part sliding connection to with supporting bench central point put fixed connection.
Further, the base is of a rectangular plate-shaped structure, four wheels are mounted on the lower surface of the base, and the quantitative metering pump can be transferred to a set area through the wheels.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the telescopic rod is adopted to realize reciprocating motion, the conveying amount of the liquid is controlled and metered by controlling the piston movement distance of the telescopic rod, the conveying is realized, the liquid can be conveyed in a high-precision and quantitative manner, and the conveying efficiency and the quantitative precision of the liquid can be improved.
2. According to the utility model, the lifting mechanism is arranged, so that the metering pump can be lifted to a set height for working, and the wheels arranged below the base can be used for convenient transfer and transportation.
Additional aspects of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic structural view of a metering pump of the present utility model;
FIG. 2 is a schematic external view of the metering pump of the present utility model;
FIG. 3 is a schematic view of the internal structure of the metering pump of the present utility model;
wherein: 1. a metering pump; 2. a lifting mechanism; 3. a base; 4. a wheel; 5. a metering cylinder; 6. metering tube; 7. a liquid supply pipe; 8. a liquid outlet pipe; 9. a telescopic rod; 10. and (3) a piston.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. refer to an orientation or a positional relationship based on that shown in the drawings, and are merely relational terms, which are used for convenience in describing structural relationships of various components or elements of the present utility model, and do not denote any one of the components or elements of the present utility model, and are not to be construed as limiting the present utility model.
In the present utility model, terms such as "fixedly attached," "connected," "coupled," and the like are to be construed broadly and refer to either a fixed connection or an integral or removable connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present utility model can be determined according to circumstances by a person skilled in the relevant art or the art, and is not to be construed as limiting the present utility model.
As shown in fig. 1 to 3, the present embodiment provides a quantitative metering pump, which comprises a metering pump 1, a lifting mechanism 2, a base 3 and wheels 4, wherein the metering pump 1 is mounted on the lifting mechanism 2, the lifting mechanism 2 is mounted on the base 3, and the wheels 4 are mounted on the lower surface of the base 3.
The metering pump 1 comprises a telescopic rod 9, a metering cylinder 5, a metering pipe 6, a liquid supply pipe 7 and a liquid outlet pipe 8, wherein a piston is arranged at the end part of the telescopic rod 9, the piston 10 is positioned in the metering cylinder 5 and is used for sucking and discharging liquid in the metering cylinder 5, electromagnetic valves are arranged on the liquid supply pipe 7 and the liquid outlet pipe 8, the liquid supply pipe 7 is communicated with the first end of the metering pipe 6, the liquid outlet pipe 8 is communicated with the second end of the metering pipe 6, the metering cylinder 5 is communicated with the third end of the metering pipe 6, the metering cylinder 5 is pushed to the end part of the metering cylinder 5 by pushing a piston 10 of the telescopic rod 9, then the electromagnetic valve of the liquid inlet pipe is closed, the electromagnetic valve of the liquid outlet pipe 8 is opened, the air in the metering cylinder 5 and the metering pipe 6 is discharged, then the electromagnetic valve of the liquid outlet pipe 8 is closed, the electromagnetic valve of the liquid inlet pipe is opened, the piston 10 of the telescopic rod 9 is driven to move to the other end of the metering cylinder 5 by a motor, the liquid stored in the liquid storage tank is sucked into the metering cylinder 5 by the liquid inlet pipe, then the electromagnetic valve of the liquid inlet pipe 8 is closed, the electromagnetic valve of the liquid outlet pipe 8 is opened, the piston 10 of the telescopic rod 9 is driven by the motor to push the end part of the metering pipe 5 to be discharged to the set position by the liquid outlet pipe, and the liquid is discharged to the liquid outlet position by the metering pipe 8; the reciprocating motion is realized through the telescopic rod 9, the conveying amount of the liquid is controlled and metered by controlling the movement distance of the piston 10 of the telescopic rod 9, conveying is realized, high-precision and quantitative liquid conveying can be realized, and the conveying efficiency and the quantitative precision of the liquid can be improved.
The telescopic rod 9 can adopt LBM/LBG series electric push rods, and comprises a main box body, a screw rod transmission mechanism and a motor for driving the screw rod transmission mechanism to start and stop are arranged in the main box body, the screw rod transmission mechanism comprises a fixed guide pipe penetrating through the main box body, a rotatable screw rod arranged in the fixed guide pipe and a jacking pipe in threaded fit with the screw rod, a switch control block is arranged on the jacking pipe, a first micro switch and a second micro switch which can be matched with the switch control block to control the motor to stop are respectively arranged at two ends of the fixed guide pipe, a piston 10 is arranged at the end part of the jacking pipe, and the piston 10 is arranged in the measuring cylinder 5.
As an embodiment, a distance sensor is mounted at the end of the telescopic rod 9, and the telescopic distance of the telescopic rod 9 is calculated by using the distance sensor, so that the pumped liquid amount in each stage is calculated.
The lifting mechanism 2 comprises a hydraulic cylinder, the hydraulic cylinder is fixedly arranged on a base, one end of a driving connecting rod is hinged with the output tail end of the hydraulic cylinder, the middle part of the driving connecting rod is hinged with the tail end of a guide pillar connecting rod, the other end of the driving connecting rod is hinged with the bottom end of the base, a guide table is fixedly arranged on the base, and the guide pillar connecting rod is in sliding connection with the middle part of the guide table and fixedly connected with the center position of a supporting table.
The base 3 is of a rectangular plate-shaped structure, four wheels 4 are mounted on the lower surface of the base 3, and the quantitative metering pump can be transferred to a set area through the wheels 4.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. A metering dosing pump, comprising: the metering pump is arranged on the lifting mechanism, the lifting mechanism is arranged on the base, and the wheels are arranged on the lower surface of the base;
the metering pump comprises a telescopic rod, a metering cylinder, a metering tube, a liquid supply tube and a liquid outlet tube, wherein a piston is arranged at the end part of the telescopic rod and is positioned in the metering cylinder, electromagnetic valves are arranged on the liquid supply tube and the liquid outlet tube, the liquid supply tube is communicated with the first end of the metering tube, the liquid outlet tube is communicated with the second end of the metering tube, and the third end of the metering tube is communicated with the metering tube;
when air is required to be discharged, pushing a piston of the telescopic rod to the end part of the metering cylinder, closing an electromagnetic valve of the liquid inlet pipe, and opening an electromagnetic valve of the liquid outlet pipe to discharge the air in the metering cylinder and the metering pipe;
when a set amount of liquid is required to be sucked, closing the electromagnetic valve of the liquid outlet pipe, opening the electromagnetic valve of the liquid inlet pipe, enabling the piston of the telescopic rod to move towards the other end of the metering cylinder, and sucking the liquid stored in the liquid storage tank into the metering cylinder through the liquid inlet pipe;
when the liquid in the set quantity is required to be discharged, the electromagnetic valve of the liquid inlet pipe is closed, the electromagnetic valve of the liquid outlet pipe is opened, the piston of the telescopic rod is pushed to the end part of the metering cylinder, the liquid reserved in the metering cylinder is discharged into the liquid outlet pipe, and the liquid in the set quantity is conveyed to the set station by the liquid outlet pipe.
2. The quantitative metering pump of claim 1, wherein the telescopic rod comprises a main box body, a screw rod transmission mechanism and a motor for driving the screw rod transmission mechanism to start and stop are arranged in the main box body, the screw rod transmission mechanism comprises a fixed guide pipe penetrating through the main box body, a screw rod which is arranged in the fixed guide pipe and is rotatable and a jacking pipe in threaded fit with the screw rod, a switch control block is arranged on the jacking pipe, a first micro switch and a second micro switch which can be matched with the switch control block to control the motor to stop are respectively arranged at two ends of the fixed guide pipe, a piston is arranged at the end part of the jacking pipe, and the piston is positioned in the metering cylinder.
3. The metering pump of claim 1 wherein the end of the telescoping rod is provided with a distance sensor, and the telescoping distance of the telescoping rod is calculated using the distance sensor to calculate the amount of liquid pumped at each stage.
4. The metering pump of claim 1, wherein the lifting mechanism comprises a hydraulic cylinder fixedly mounted on the base, one end of the drive link is hinged to the output end of the hydraulic cylinder, the middle part of the drive link is hinged to the end of the guide post link, the other end of the drive link is hinged to the bottom end of the base, the guide table is fixedly mounted on the base, and the guide post link is slidably connected to the middle part of the guide table and fixedly connected to the center of the support table.
5. The metering pump of claim 1, wherein the base has a rectangular plate-like structure, and four wheels are mounted on a lower surface of the base, and the metering pump is transferred to a set area by the wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321355410.9U CN219733576U (en) | 2023-05-29 | 2023-05-29 | Quantitative metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321355410.9U CN219733576U (en) | 2023-05-29 | 2023-05-29 | Quantitative metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219733576U true CN219733576U (en) | 2023-09-22 |
Family
ID=88053282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321355410.9U Active CN219733576U (en) | 2023-05-29 | 2023-05-29 | Quantitative metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219733576U (en) |
-
2023
- 2023-05-29 CN CN202321355410.9U patent/CN219733576U/en active Active
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