CN116906291A - Plunger pump device with double feed inlets - Google Patents
Plunger pump device with double feed inlets Download PDFInfo
- Publication number
- CN116906291A CN116906291A CN202311102772.1A CN202311102772A CN116906291A CN 116906291 A CN116906291 A CN 116906291A CN 202311102772 A CN202311102772 A CN 202311102772A CN 116906291 A CN116906291 A CN 116906291A
- Authority
- CN
- China
- Prior art keywords
- plunger pump
- feed
- glue
- discharge
- full vacuum
- 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
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000003292 glue Substances 0.000 abstract description 45
- 238000007599 discharging Methods 0.000 abstract description 25
- 239000000306 component Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Classifications
-
- 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- 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
Abstract
The invention provides a full vacuum plunger pump device which comprises a base, a driving motor arranged on the base and a plunger pump component driven by the driving motor, wherein the plunger pump component comprises a cylinder body, a plunger rod, a first feeding hole and a discharging hole, the driving motor is connected with the plunger rod through a transmission device, the plunger pump component further comprises a second feeding hole, and the second feeding hole is arranged at the other end of the cylinder body opposite to the first feeding hole. According to the technical scheme provided by the invention, the feeding device of the traditional vacuum glue-pouring machine is improved and optimized, so that the plunger pump can be ensured to be filled effectively under the working condition of full vacuum aiming at high-viscosity glue, no gap is reserved, and the accurate control of the glue-pouring machine on the glue outlet of the high-viscosity glue is realized.
Description
Technical Field
The invention relates to the technical field of vacuum glue filling machines, in particular to a double-feed-inlet plunger pump device for a vacuum glue filling machine.
Background
For the glue filling machine, a feeding device (glue feeding equipment) is a core component, and the performance of the feeding device directly influences or determines the overall working performance of the glue filling machine. Conventional feeding devices include, for example, gear pumps, plunger pumps, etc., which generally have higher accuracy of pumping out glue relative to gears and are easy to control the accuracy of dispensing glue, but are not well suited for use with higher viscosity glue.
In the field of electronic device manufacturing, most of the glue which is required to be discharged from a glue filling machine cannot contain bubbles, otherwise, the performance of a finished product of an electronic device can be greatly affected, and some products are directly scrapped even because the glue contains bubbles. Therefore, in the prior art, the feed cylinder for feeding glue is firstly vacuumized to ensure that the glue in the feed cylinder, the glue feeding pipeline, the feed inlet and even the feed device does not contain bubbles in the process of feeding glue, which belongs to partial vacuum feeding, and the sealing performance of the whole feed system is very high, even if the vacuum degree of the vacuum pumped in advance is continuously reduced along with the time, the situation that the air is mixed in the working process and bubbles are generated in the glue for discharging glue is difficult to prevent, in addition, the time required for the prior vacuumizing is generally about one hour, the glue discharging operation cannot be carried out in the time, and the glue filling rhythm is directly influenced.
Therefore, in order to obtain high glue feeding precision for glue with high viscosity (very viscous), when a traditional plunger pump is adopted, the difficulty of sucking glue in the plunger pump occurs, and the situation of insufficient sucking glue often occurs, so that the control of glue discharging precision cannot be guaranteed.
Disclosure of Invention
In order to solve the problem that in the prior art, when a plunger pump is adopted to supply viscous glue, the plunger pump is not fully sucked to cause the problem that the glue discharging precision cannot be guaranteed, the invention provides a full-vacuum double-feed-port plunger pump device, so that the problem that in the case of aiming at the viscous glue in a full-vacuum state, the plunger pump is adopted to ensure that the bubble defect cannot occur in a target product of the glue under the condition of ensuring the glue discharging precision to be accurately controlled is solved.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: the utility model provides a full vacuum plunger pump device, includes the base, installs driving motor on the base and by driving motor driven plunger pump part, the plunger pump part includes cylinder body, plunger rod, first feed inlet and discharge gate, driving motor pass through transmission with the plunger rod is connected, the plunger pump part still includes the second feed inlet, the second feed inlet set up on the cylinder body with the opposite other end of first feed inlet.
The first feeding port is provided with a first feeding actuator, the discharging port is provided with a discharging actuator, and the second feeding port is provided with a second feeding actuator.
Preferably, the first feeding actuator and the second feeding actuator have the same structure and comprise a feeding cylinder and a feeding ejector rod, wherein the feeding cylinder is connected with the feeding ejector rod through a feeding floating joint.
Correspondingly, the discharging actuator comprises a discharging cylinder and a discharging ejector rod, wherein the discharging cylinder is connected with the discharging ejector rod through a discharging floating joint.
Further, the transmission device comprises a transmission screw rod connected with the driving motor, a guide rail fixed on the base and a transmission sliding block matched with the guide rail to slide and matched with the transmission screw rod in a threaded mode.
Preferably, the driving motor is connected with the transmission screw rod through a speed reducer and a coupler.
Specifically, the transmission screw rod is connected with the plunger rod.
Still further, the plunger pump component further comprises a seal kit.
Most preferably, the first feeding hole and the second feeding hole are respectively arranged at two sides of the discharging hole.
Compared with the prior art, the technical scheme provided by the invention has the advantages that one feeding port is additionally arranged, the first feeding port and the second feeding port form a communicating vessel through the cylinder body of the plunger pump, and the principle of the communicating vessel is utilized to ensure that the plunger pump can be easily filled with high-viscosity glue in a full-vacuum working state.
The full vacuum state refers to a working condition that the tank body and the charging barrel of the glue filling machine are continuously vacuumized in the glue filling process so as to ensure that the tank body, the charging barrel, the plunger pump and the like are all in a vacuum state, so that glue can be continuously supplied in a state with higher vacuum degree, air is prevented from being mixed into the glue to generate bubbles, in addition, the time of glue filling work is saved, and the working efficiency is improved.
According to the technical scheme provided by the invention, the feeding device of the traditional vacuum glue-pouring machine is improved and optimized, so that the plunger pump can be ensured to be filled effectively under the working condition of full vacuum aiming at high-viscosity glue, no gap is reserved, and the accurate control of the glue-pouring machine on the glue outlet of the high-viscosity glue is realized.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic view of the longitudinal cross-section of FIG. 1 taken along the top direction;
FIG. 3 is a schematic perspective view of a cut-away state of a feed actuator according to an embodiment of the present invention;
fig. 4 is a schematic perspective view showing a cut-away state of a discharge actuator according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the following description will briefly explain the embodiments of the present invention by referring to the figures, it is obvious that the description of the embodiments and the figures is only for illustrating the technical solution of the present invention, and the protection scope of the present invention is not limited to the embodiments and the figures in the context of understanding by those skilled in the art.
As shown in fig. 1-2, the full vacuum plunger pump device comprises a base 1, a driving motor 2 installed on the base 1, and a plunger pump component 3 driven by the driving motor 2, wherein the plunger pump component 3 comprises a cylinder 31, a plunger rod 32, a first feed port 33 and a discharge port 34, the plunger pump component 3 further comprises a second feed port 35, the second feed port 35 is arranged at the other end of the cylinder 31 opposite to the first feed port 33, a first feed actuator 5 is installed at the first feed port 33, a discharge actuator 6 is installed at the discharge port 34, a second feed actuator 7 is installed at the second feed port 35, the first feed actuator 5 and the second feed actuator 7 are identical in structure, and as shown in fig. 3, the plunger pump component 3 further comprises a feed cylinder 51 and a feed ejector rod 52, wherein the feed cylinder 51 and the feed ejector rod 52 are connected through a feed floating joint 54.
As shown in fig. 4, the discharging actuator 6 includes a discharging cylinder 61 and a discharging rod 62, wherein the discharging cylinder 61 and the discharging rod 62 are connected through a discharging floating joint 64.
The driving motor 2 is connected with the plunger rod 32 through a transmission device 4, the transmission device 4 comprises a transmission screw 41 connected with the driving motor 2, a guide rail 42 fixed on the base 1 and a transmission sliding block 43 matched with the guide rail 42 to slide and matched with the transmission screw 41 in a threaded manner, the driving motor 2 is connected with the transmission screw 41 through a speed reducer and a coupler, and the transmission screw 41 is connected with the plunger rod 32.
In order to ensure sealing performance, the plunger pump part 3 further comprises a sealing sleeve 36.
The first feeding hole 33 and the second feeding hole 35 are respectively arranged at two sides of the discharging hole 34, so that the design can ensure that the plunger pump cylinder body is filled with glue with high viscosity easily.
In the glue feeding state, the first feeding actuator 5 and the second feeding actuator 7 are simultaneously opened, the discharging actuator 6 is closed, the driving motor 2 drives the transmission screw rod 41 to retreat and simultaneously drives the plunger rod 32 to retreat, at the moment, the cylinder bodies 31 with the feeding holes at the two ends form a communicating vessel, and the cylinder bodies 31 are filled with glue by simultaneous feeding of the double feeding holes. In the gel-out state, the first feeding actuator 5 and the second feeding actuator 7 are closed at the same time, the discharging actuator 6 is opened, the driving motor 2 drives the transmission screw rod 41 to advance and drives the plunger rod 32 to advance at the same time, and then the glue in the cylinder 31 is pushed out of the discharging hole 34 for feeding operation.
The above embodiments are only for illustrating the technical solution of the present invention, and should not be considered as limiting the scope of the present invention, but the present invention is mainly directed to the field of vacuum glue-pouring machine manufacturing.
Claims (9)
1. The utility model provides a full vacuum plunger pump device, includes the base, installs driving motor on the base and by driving motor driven plunger pump part, the plunger pump part includes cylinder body, plunger rod, first feed inlet and discharge gate, driving motor pass through transmission with the plunger rod is connected, its characterized in that, the plunger pump part still includes the second feed inlet, the second feed inlet set up on the cylinder body with the opposite other end of first feed inlet.
2. The full vacuum plunger pump apparatus of claim 1, wherein a first feed actuator is provided at the first feed port, a discharge actuator is provided at the discharge port, and a second feed actuator is provided at the second feed port.
3. The full vacuum plunger pump apparatus of claim 2, wherein the first feed actuator and the second feed actuator are identical in structure and each comprise a feed cylinder and a feed ram, wherein the feed cylinder and the feed ram are connected by a feed floating joint.
4. The full vacuum plunger pump apparatus of claim 2, wherein the discharge actuator comprises a discharge cylinder and a discharge ram, wherein the discharge cylinder is connected to the discharge ram by a discharge floating joint.
5. The full vacuum plunger pump apparatus of claim 1, wherein said transmission means comprises a transmission screw connected to said drive motor, a guide rail fixed to said base, and a transmission slider slidably engaged with said guide rail and threadably engaged with said transmission screw.
6. The full vacuum plunger pump apparatus of claim 5, wherein said drive motor is coupled to said drive screw via a decelerator and coupling.
7. The full vacuum plunger pump apparatus of claim 6, wherein said drive screw is connected to said plunger rod.
8. The full vacuum plunger pump apparatus of any one of claims 1-7, wherein the plunger pump means further comprises a seal kit.
9. The full vacuum plunger pump apparatus of any one of claims 1-7, wherein said first feed port and said second feed port are provided on either side of said discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311102772.1A CN116906291A (en) | 2023-08-29 | 2023-08-29 | Plunger pump device with double feed inlets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311102772.1A CN116906291A (en) | 2023-08-29 | 2023-08-29 | Plunger pump device with double feed inlets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116906291A true CN116906291A (en) | 2023-10-20 |
Family
ID=88363196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311102772.1A Pending CN116906291A (en) | 2023-08-29 | 2023-08-29 | Plunger pump device with double feed inlets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116906291A (en) |
-
2023
- 2023-08-29 CN CN202311102772.1A patent/CN116906291A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |