CN116624378A - Plunger pump without pressure difference and dispensing machine - Google Patents
Plunger pump without pressure difference and dispensing machine Download PDFInfo
- Publication number
- CN116624378A CN116624378A CN202310723072.8A CN202310723072A CN116624378A CN 116624378 A CN116624378 A CN 116624378A CN 202310723072 A CN202310723072 A CN 202310723072A CN 116624378 A CN116624378 A CN 116624378A
- Authority
- CN
- China
- Prior art keywords
- plunger pump
- cavity
- glue
- piston rod
- differential pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003292 glue Substances 0.000 claims abstract description 66
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims 3
- 238000007906 compression Methods 0.000 claims 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The application provides a pressure-difference-free plunger pump and a dispensing machine, belonging to the technical field of plunger pumps. The upper piston rod, the piston and the lower piston rod do up-and-down motion in a common circulation way, and the glue in the non-differential pressure plunger pump is continuously output from the first glue outlet and the second glue outlet. The upper piston rod and the lower piston rod which are designed in the same size are adopted, so that the pressure areas of the upper cavity and the lower cavity of the plunger pump are equal, and the effect that the pressure of the output glue is not different is achieved.
Description
Technical Field
The application relates to the technical field of plunger pumps, in particular to a non-differential pressure plunger pump and a dispensing machine.
Background
The plunger pump on the existing dispensing machine in the market can generate great pressure difference fluctuation in the up-and-down motion process, the glue output effect can be influenced, and the dispensing work of the dispensing machine is inconvenient.
Disclosure of Invention
Aiming at the defects in the prior art, the application aims to provide a plunger pump without pressure difference and a dispensing machine.
The application provides a differential pressure-free plunger pump, which comprises a piston and a plunger cylinder body, wherein the piston is arranged in the plunger cylinder body, one end of the piston is connected with an upper piston rod, the other end of the piston is connected with a lower piston rod, and the upper piston rod and the lower piston rod are arranged to be the same in size;
and the upper piston rod, the piston and the lower piston rod do up-and-down motion in a common circulation way, and the glue in the plunger pump without pressure difference is continuously output from the first glue outlet and the second glue outlet.
In some embodiments, one end inside the differential pressure plunger pump is provided with a first cavity and a second cavity, the first cavity is axially arranged in the differential pressure plunger pump, and the second cavity is radially arranged in the differential pressure plunger pump.
In some embodiments, a lower fixed pressing piece and a lower movable pressing piece are further arranged at one end of the outer part of the differential pressure plunger pump, and the lower fixed pressing piece and the lower movable pressing piece are arranged at intervals.
In some embodiments, an upper movable pressing piece is further disposed at one end inside the differential pressure plunger pump, and the upper movable pressing piece is relatively disposed at the other sides of the lower fixed pressing piece and the lower movable pressing piece.
In some embodiments, a check ball is further disposed inside the non-differential pressure plunger pump, and the check ball is connected to the piston.
In some embodiments, the non-differential pressure plunger pump is further provided with a first glue outlet and a second glue outlet, the first glue outlet is arranged on one side of an upper cavity of the non-differential pressure plunger pump, and the second glue outlet is arranged on one side of a lower cavity of the non-differential pressure plunger pump.
In some embodiments, when the upper piston rod, the piston and the lower piston rod move downwards together, the pressure generated by the glue makes the upper movable pressing sheet pressed and arranged, and the glue in the lower cavity is output from the second glue outlet;
simultaneously the lower fixed pressing piece and the lower movable pressing piece are arranged separately, the check ball is opened, glue in the first cavity flows into the upper cavity through the channel, and the second cavity is filled when the glue in the first cavity flows.
In some embodiments, the pressure generated by the glue when the upper piston rod, the piston and the lower piston rod move upwards together causes the lower fixed pressing sheet and the lower movable pressing sheet to be pressed against each other;
meanwhile, the check ball is arranged in a closed mode, the upper movable pressing piece is arranged in an open mode, glue in the second cavity flows into the lower cavity, and the glue in the upper cavity is output from the first glue outlet.
A dispensing machine comprises the non-pressure-difference plunger pump.
Compared with the prior art, the application has the following beneficial effects:
1. the upper piston rod and the lower piston rod which are designed in the same size are adopted, so that the pressure areas of the upper cavity and the lower cavity of the plunger pump are equal, and the effect that the pressure of the output glue is not different is achieved;
2. according to the application, the glue outlets are respectively arranged at the upper cavity and the lower cavity of the plunger pump, so that the glue in the upper cavity and the lower cavity of the plunger pump can be stably output, and the effect of continuous glue supply is achieved;
3. according to the application, two cavities are arranged in the plunger pump for feeding glue, so that the glue can stably enter the upper cavity and the lower cavity of the plunger pump, the effect of continuously feeding glue is achieved, and the problem of glue feeding interference is avoided.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the internal cross-sectional structure of a non-differential pressure plunger pump of the present application;
fig. 2 is a schematic view of the overall structure of the non-differential pressure plunger pump according to the present application.
Reference numerals:
upper piston rod 1 cavity 9
Piston 2 glue outlet 10
Lower piston rod 3 cavity II 11
Glue outlet II 12 of lower fixing pressing sheet 4
Upper cavity 13 of lower movable tabletting 5
Lower cavity 14 of upper movable pressing sheet 6
Check ball 7 channel 15
Plunger cylinder 8
Detailed Description
The present application will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present application, but are not intended to limit the application in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present application.
Example 1
As shown in fig. 1-2, the non-differential pressure plunger pump of the application comprises a piston 2 and a plunger cylinder 8, wherein the piston 2 is arranged in the plunger cylinder 8, one end of the piston 2 is connected with an upper piston rod 1, the other end of the piston 2 is connected with a lower piston rod 3, and the upper piston rod 1 and the lower piston rod 3 are arranged to be the same size. The upper piston rod 1, the piston 2 and the lower piston rod 3 do up-and-down motion in a common circulation way, and the glue in the plunger pump without pressure difference is continuously output from the first glue outlet 10 and the second glue outlet 12.
One end in the pressure difference plunger pump is provided with a first cavity 9 and a second cavity 11, the first cavity 9 is axially arranged in the pressure difference plunger pump, and the second cavity 11 is radially arranged in the pressure difference plunger pump. The outer one end of pressure differential plunger pump still sets up fixed preforming 4 down and moves down preforming 5, and the interval sets up between fixed preforming 4 down and the movable preforming 5 down. An upper movable pressing sheet 6 is arranged at one end inside the pressure difference plunger pump, and the upper movable pressing sheet 6 is oppositely arranged at the other sides of the lower fixed pressing sheet 4 and the lower movable pressing sheet 5. The non-pressure difference plunger pump is internally provided with a check ball 7, and the check ball 7 is connected to the piston 2. The non-pressure difference plunger pump is also provided with a first glue outlet 10 and a second glue outlet 12, wherein the first glue outlet 10 is arranged on one side of an upper cavity 13 of the non-pressure difference plunger pump, and the second glue outlet 12 is arranged on one side of a lower cavity 14 of the non-pressure difference plunger pump.
Example 2
A dispenser comprises the non-differential pressure plunger pump of the embodiment 1.
Principle of operation
According to the application, the upper piston rod 1, the piston 2 and the lower piston rod 3 do up-and-down motion in a common circulation way, so that the glue in the plunger pump without pressure difference is continuously output from the first glue outlet 10 and the second glue outlet 12.
When the upper piston rod 1, the piston 2 and the lower piston rod 3 jointly move downwards, the upper movable pressing sheet 6 is pressed and arranged by the pressure generated by the glue, and the glue in the lower cavity 14 is output from the second glue outlet 12; simultaneously, the lower fixed pressing piece 4 and the lower movable pressing piece 5 are arranged separately, the check ball 7 is opened, glue in the first cavity 9 flows into the upper cavity 13 through the channel 15, and the second cavity 11 is filled when the glue in the first cavity 9 flows.
When the upper piston rod 1, the piston 2 and the lower piston rod 3 jointly move upwards, the pressure generated by the glue enables the lower fixed pressing sheet 4 and the lower movable pressing sheet 5 to be mutually pressed; meanwhile, the check ball 7 is closed, the upper movable pressing sheet 6 is opened, glue in the cavity II 11 flows into the lower cavity 14, and glue in the upper cavity 13 is output from the first glue outlet 10.
In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The foregoing describes specific embodiments of the present application. It is to be understood that the application is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the application. The embodiments of the application and the features of the embodiments may be combined with each other arbitrarily without conflict.
Claims (9)
1. The non-differential pressure plunger pump is characterized by comprising a piston (2) and a plunger cylinder body (8), wherein the piston (2) is arranged in the plunger cylinder body (8), one end of the piston (2) is connected with an upper piston rod (1), the other end of the piston (2) is connected with a lower piston rod (3), and the upper piston rod (1) and the lower piston rod (3) are arranged to be of the same size;
the upper piston rod (1), the piston (2) and the lower piston rod (3) do up-and-down motion in a common circulation way, and the glue in the plunger pump without pressure difference is continuously output from the first glue outlet (10) and the second glue outlet (12).
2. The differential-pressure-free plunger pump according to claim 1, wherein a first cavity (9) and a second cavity (11) are arranged at one end inside the differential-pressure plunger pump, the first cavity (9) is axially arranged in the differential-pressure plunger pump, and the second cavity (11) is radially arranged in the differential-pressure plunger pump.
3. The differential pressure-free plunger pump according to claim 2, wherein a lower fixed pressing piece (4) and a lower movable pressing piece (5) are further arranged at one end of the outer part of the differential pressure plunger pump, and the lower fixed pressing piece (4) and the lower movable pressing piece (5) are arranged at intervals.
4. A differential pressure free plunger pump according to claim 3, characterized in that an upper movable pressing piece (6) is further arranged at one end inside the differential pressure plunger pump, and the upper movable pressing piece (6) is oppositely arranged at the other sides of the lower fixed pressing piece (4) and the lower movable pressing piece (5).
5. The non-differential pressure plunger pump according to claim 4, characterized in that a check ball (7) is further provided inside the non-differential pressure plunger pump, the check ball (7) being connected to the piston (2).
6. The non-differential pressure plunger pump according to claim 5, wherein the non-differential pressure plunger pump is further provided with a first glue outlet (10) and a second glue outlet (12), the first glue outlet (10) is arranged on one side of an upper cavity (13) of the non-differential pressure plunger pump, and the second glue outlet (12) is arranged on one side of a lower cavity (14) of the non-differential pressure plunger pump.
7. The non-differential pressure plunger pump according to claim 6, characterized in that the pressure generated by the glue when the upper piston rod (1), the piston (2) and the lower piston rod (3) move downwards together causes the upper movable pressing sheet (6) to be pressed and set, and the glue in the lower cavity (14) is output from the second glue outlet (12);
simultaneously fixed preforming down (4) with lower activity preforming (5) separately set up, check ball (7) open and set up, in cavity one (9) glue flows into in last cavity (13) through passageway (15), just in cavity one (9) glue fills up when flowing cavity two (11).
8. The non-differential pressure plunger pump according to claim 7, characterized in that the pressure generated by the glue when the upper piston rod (1), the piston (2) and the lower piston rod (3) move together upwards causes the lower stationary compression sheet (4) and the lower movable compression sheet (5) to be arranged in compression with each other;
meanwhile, the check ball (7) is arranged in a closed mode, the upper movable pressing piece (6) is arranged in an open mode, glue in the second cavity (11) flows into the lower cavity (14), and the glue in the upper cavity (13) is output from the first glue outlet (10).
9. A dispenser comprising a non-differential pressure plunger pump according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310723072.8A CN116624378A (en) | 2023-06-16 | 2023-06-16 | Plunger pump without pressure difference and dispensing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310723072.8A CN116624378A (en) | 2023-06-16 | 2023-06-16 | Plunger pump without pressure difference and dispensing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116624378A true CN116624378A (en) | 2023-08-22 |
Family
ID=87641849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310723072.8A Pending CN116624378A (en) | 2023-06-16 | 2023-06-16 | Plunger pump without pressure difference and dispensing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116624378A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231462A (en) * | 2023-11-14 | 2023-12-15 | 常州铭赛机器人科技股份有限公司 | Plunger pressure plate pump and working method thereof |
-
2023
- 2023-06-16 CN CN202310723072.8A patent/CN116624378A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231462A (en) * | 2023-11-14 | 2023-12-15 | 常州铭赛机器人科技股份有限公司 | Plunger pressure plate pump and working method thereof |
| CN117231462B (en) * | 2023-11-14 | 2024-01-30 | 常州铭赛机器人科技股份有限公司 | Plunger pressure plate pump and working method thereof |
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