CN114749343B - Precise constant-pressure glue supply system - Google Patents
Precise constant-pressure glue supply system Download PDFInfo
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- CN114749343B CN114749343B CN202210534306.XA CN202210534306A CN114749343B CN 114749343 B CN114749343 B CN 114749343B CN 202210534306 A CN202210534306 A CN 202210534306A CN 114749343 B CN114749343 B CN 114749343B
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- valve
- air inlet
- glue
- pressure
- opening
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- 239000003292 glue Substances 0.000 title claims abstract description 109
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 15
- 238000010992 reflux Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000008602 contraction Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
-
- 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
- B05C11/1007—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material
- B05C11/1013—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material responsive to flow or pressure of liquid or other fluent material
-
- 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
- B05C11/1026—Valves
-
- 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
- B05C11/1036—Means for supplying a selected one of a plurality of liquids or other fluent materials, or several in selected proportions, to the applying apparatus
-
- 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
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
Abstract
The invention discloses a precise constant-pressure glue supply system which comprises a glue barrel A, a glue barrel B, two primary gear pumps, two secondary gear pumps and a mixing stirring barrel, wherein the primary gear pumps correspond to the glue barrel A and the glue barrel B respectively, the secondary gear pumps correspond to the primary gear pumps respectively, the secondary gear pumps are communicated with the mixing stirring barrel through a valve A and a valve B respectively, backflow air inlet A and valve A air inlet B are arranged at the valve A, and backflow air inlet B and valve B air inlet B are arranged at the valve B. The invention can monitor the pressure of the glue feeding and the glue discharging in real time, thereby judging whether the glue pressure is stable or not and whether the proportion of the two types of glue is consistent or not.
Description
Technical Field
The invention relates to the technical field of constant-pressure glue supply, in particular to a precise constant-pressure glue supply system.
Background
The existing technology is a set of glue supply system designed specially for the double-component glue, which comprises an AB two glue barrels, an A glue barrel containing the glue and a B glue barrel containing the catalyst, when the A glue meets the catalyst, the glue starts to solidify instantaneously after the reaction, a first-stage gear pump pumps the glue out of the glue barrels, a part of the glue flows into a second-stage gear pump, a part of the glue flows back into the glue barrels, the second-stage gear pump pumps the glue from the first-stage gear pump to a valve, and the valve is controlled by a two-position three-way electromagnetic valve, and the valve is switched to open and reflux. When switching to the valve-opening, the backward flow that can not be totally blocked still can flow back, because in ordinary production, not paying attention to not have the row of glue, the glue in the (mixing) shaft solidifies, in case the backward flow is blocked, will cause the pipe explosion, the glue flows into the (mixing) shaft when opening the valve, and the (mixing) shaft stirs the glue of two kinds of mixtures evenly. When the backflow is performed, the valve is completely blocked, the glue flows back to the glue barrel, and the glue is pumped out under the action of cavity pressure and the stirring shaft.
However, when the existing process is used for opening the valve, the glue amount on the side of the backflow can influence the glue amount on the side of the valve, the glue amount can be controlled by adjusting the knob of the valve, so that the glue amount is stable, the side of the backflow is not regulated in a legal way, the debugging is troublesome and complicated, the glue amount on the side of the valve needs to be debugged again by changing the rotating speeds of the primary gear pump and the secondary gear pump so as to change the glue amount, and the rotating speed of the gear pump is mainly changed, the glue amount is changed, the side of the knob can only be finely adjusted, the pressure of the backflow and the valve is inconvenient to adjust, the air pressure cannot be monitored in real time, the glue amount is inconvenient to debug, if the internal glue pressure is changed, the glue amount is correspondingly changed, the proportion of the two kinds of glue is changed, and the effect is deviated.
Therefore, we propose a precise constant pressure glue supply system to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems that the pressure of backflow and valve opening is inconvenient to adjust, the air pressure cannot be monitored in real time, and the glue amount is inconvenient to debug in the prior art, and provides a precise constant-pressure glue supply system.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a precision constant pressure glue feeding system, includes that A glues bucket, B glues bucket, two one-level gear pumps, two secondary gear pumps and mixing drum, two one-level gear pump is corresponding with A glues bucket and B glues bucket respectively, two secondary gear pump is corresponding with two one-level gear pumps respectively, two be linked together through A valve and B valve respectively between secondary gear pump and the mixing drum, A valve department has set up A backward flow and has admitted air with A valve opening, B valve department has set up B backward flow and has admitted air with B valve opening.
Preferably, the lever type arrangement is formed between the air inlet of the valve A and the air inlet of the return flow A, and the lever type arrangement is formed between the air inlet of the valve B and the air inlet of the return flow B.
Preferably, the valve A and the valve B are two-position three-way electromagnetic valves.
Preferably, the A valve opening air inlet, the A return air inlet and the B valve opening air inlet and the B return air inlet all comprise diaphragms, springs and ejector pins.
Preferably, the pressure A valve opening pressure detection is additionally arranged in the air inlet of the valve A, the reflux pressure A detection is additionally arranged in the reflux air inlet of the valve A, the pressure B valve opening pressure detection is additionally arranged in the air inlet of the valve B, and the reflux pressure B detection is additionally arranged in the reflux air inlet of the valve B.
Preferably, an electronic pressure regulating valve is additionally arranged between the air inlet of the valve A and the air inlet of the reflux A, and an electronic pressure regulating valve is additionally arranged between the air inlet of the valve B and the air inlet of the reflux B.
Preferably, pressure sensors are arranged in the air inlet of the valve A and the air inlet of the reflux A, and pressure sensors are arranged in the air inlet of the valve B and the air inlet of the reflux B.
Compared with the prior art, the invention has the beneficial effects that:
1. when the valve is opened, the backflow membrane compresses and backflows, the thimble is closed, but the thimble cannot be completely propped up to death, the valve-opening membrane is opened, the valve-opening thimble is opened, a part of glue flows into the stirring shaft, a small part of the glue flows back to the glue barrel, the valve-opening membrane compresses, the valve-opening thimble is propped up to death, the backflow membrane is opened, the backflow thimble is opened, the glue flows back to the glue barrel, no glue enters the stirring barrel, the pressure of the glue inlet and the glue outlet can be monitored in real time, so that whether the glue pressure is stable or not is judged, the proportion of the two types of glue is consistent all the time, the pressure of the backflow and the valve-opening can be regulated to be consistent, the pressure is monitored in real time, and the glue quantity is convenient to debug;
2. the back flow and the valve opening give air pressure, the action of the air pressure of the valve opening and the back flow is to control the expansion and contraction of the spring, the spring drives the thimble to control the size of the glue outlet, the opening state is that the spring is not stressed, the thimble is pulled back, the glue outlet is in the maximum state, and the glue amount is also the maximum. The air pressure increases, the spring compresses, the glue outlet is smaller and smaller, the glue amount is also smaller and smaller, the spring is completely compressed at the moment, the thimble is propped up to be dead, glue cannot be discharged, but backflow is not completely propped up to be dead, the situation that the existing top is dead to explode a pipe is avoided, when the backflow pressure is larger, the glue amount on the side of a valve is larger, when the backflow pressure is smaller, the glue amount on the side of the valve is smaller, the two pressures are regulated to be consistent, the glue amount is the most stable, the expansion and the contraction of the spring are controlled by regulating the air pressure through an electronic pressure regulating valve, so that the glue amount is controlled, the glue amount can reach the most stable state by regulating the pressure on the valve and the backflow pressure to be consistent, and the glue amount can be monitored in real time and is convenient to debug.
The invention can monitor the pressure of the glue feeding and the glue discharging in real time, thereby judging whether the glue pressure is stable or not and whether the proportion of the two types of glue is consistent or not.
Drawings
FIG. 1 is a flow chart of a precise constant pressure glue supply system according to the present invention;
FIG. 2 is a schematic diagram of the structure of the opening state of the valve A in the precise constant pressure glue supply system according to the present invention;
FIG. 3 is a schematic diagram of a backflow state structure of an A valve-opening air inlet and an A backflow air inlet in the precise constant-pressure glue supply system;
fig. 4 is a schematic illustration of the open valve state structure of the open valve air inlet and the return air inlet of the precise constant pressure glue supply system according to the present invention.
In the figure: 1A rubber barrel, 2 primary gear pump, 3 secondary gear pump, 4 mixing stirring barrel, 5A valve, 6B valve, 7A back flow air intake, 8A valve air intake, 9B back flow air intake, 10B valve air intake, 11 diaphragm, 12 spring, 13 thimble, 14B rubber barrel.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in the following examples, and it is obvious that the described examples are only some examples of the present invention, but not all examples.
Referring to fig. 1-4, a precise constant pressure glue supply system comprises a glue barrel 1, a glue barrel 14, two primary gear pumps 2, two secondary gear pumps 3 and a mixing stirring barrel 4, wherein the gear pumps are rotary pumps which are used for conveying liquid or pressurizing the liquid by means of working volume change and movement formed between a pump cylinder and meshing gears, two closed spaces are formed by two gears, a pump body and a front cover and a rear cover, when the gears rotate, the volume of the space at the disengaging side of the gears is changed from small to large to form vacuum, the liquid is sucked, the volume of the space at the meshing side of the gears is changed from large to small to squeeze the liquid into a pipeline, a suction cavity and a discharge cavity are separated by meshing lines of the two gears, the pressure of the discharge outlet of the gear pumps is completely dependent on the resistance at the outlet of the pump, the two primary gear pumps 2 are respectively corresponding to the A glue barrel 1 and the B glue barrel 14, the two secondary gear pumps 3 are respectively corresponding to the two primary gear pumps 2, the two secondary gear pumps 3 are respectively communicated with the mixing stirring barrel 4 through the A valve 5 and the B valve 6, the A valve 5 is provided with the A backflow air inlet 7 and the A valve air inlet 8, the B valve 6 is provided with the B backflow air inlet 9 and the B valve air inlet 10, and the A valve air inlet 8 and the A backflow air inlet 7 are arranged in a lever type mode.
In the invention, the B valve opening air inlet 10 and the B return air inlet 9 are arranged in a lever type, the A valve 5 and the B valve 6 are two-position three-way electromagnetic valves, the two-position three-way electromagnetic valves are controlled by double coils, one coil is powered on instantly and then is powered off and the valve is opened, the other coil is powered on instantly and then is powered off and the valve is closed, so that the coil can be kept in a closed or open state for a long time, the service life of the coil is longer, the air-conditioning device is optimal in use in a high-temperature pipeline, the A valve opening air inlet 8, the A return air inlet 7 and the B valve opening air inlet 10 and the B return air inlet 9 are respectively provided with a diaphragm 11, a spring 12 and a thimble 13, the A valve opening air inlet 8 is internally provided with pressure A valve opening pressure detection, the A return air inlet 7 is internally provided with A return pressure detection, the B valve opening air inlet 10 is internally provided with B return pressure detection, the B return air inlet 9 is internally provided with B return pressure detection, the electronic pressure detection is required to be formed between the A valve opening air inlet 8 and the A return air inlet 7, the electronic pressure detection is required to be formed between the A valve opening air inlet 8 and the B return air inlet 9, the electronic pressure detection is required to be directly regulated and the air pressure sensor is required to be opened, the air pressure is required to be directly regulated and the pressure is required to be directly regulated and opened by the air inlet pressure sensor to be provided with the air return air pressure valve opening air inlet 6.
In the invention, the specific working flow of the valve A is as follows: the air pressure of the air pressure valve A and the air pressure of the air pressure valve A controls the expansion and contraction of the spring 12, the spring 12 drives the thimble 13 to control the size of the glue outlet, the spring 12 is not stressed at the moment, the thimble 13 is pulled back, the glue outlet is in the maximum state, the glue amount is also the maximum, the air pressure is increased, the spring 12 is compressed, the glue outlet is smaller and smaller, the glue amount is also smaller and smaller, the spring 12 is completely compressed at the moment, the thimble 13 is propped up to be dead, glue can not be discharged, but the air pressure valve A is not completely propped up to be dead, the situation that the top of the existing glue supply equipment is dead and the pipe is exploded is avoided, when the pressure of the A backflow air inlet 7 is larger, the glue quantity on the side of the A valve opening air inlet is larger, when the pressure of the A backflow air inlet 7 is smaller, the glue quantity of the A valve opening air inlet is smaller, when the two pressures are regulated to be consistent, the glue quantity is the most stable, the expansion and contraction of the spring 12 are controlled through the electronic pressure regulating valve, so that the glue quantity is controlled, the glue quantity reaches the most stable state through regulating the pressure of the A valve opening air inlet and the pressure of the A backflow air inlet 7 to be consistent, and the glue quantity can be monitored in real time and is convenient to regulate.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. The precise constant-pressure glue supply system is characterized by comprising a glue barrel A (1), a glue barrel B (14), two primary gear pumps (2), two secondary gear pumps (3) and a mixing stirring barrel (4), wherein the two primary gear pumps (2) respectively correspond to the glue barrel A (1) and the glue barrel B (14), the two secondary gear pumps (3) respectively correspond to the two primary gear pumps (2), the two secondary gear pumps (3) are respectively communicated with the mixing stirring barrel (4) through a valve A (5) and a valve B (6), a backflow air inlet (7) and an A valve air inlet (8) are arranged at the valve A (5), and a backflow air inlet (9) and a B valve air inlet (10) are arranged at the valve B (6);
the lever type air inlet (8) of the valve A and the lever type air inlet (7) of the valve A are arranged, and the lever type air inlet (10) of the valve B and the lever type air inlet (9) of the valve B are arranged;
the valve A (5) and the valve B (6) are two-position three-way electromagnetic valves;
the valve A inlet (8), the valve A return inlet (7), the valve B inlet (10) and the valve B return inlet (9) comprise a diaphragm (11), a spring (12) and a thimble (13);
the automatic control device is characterized in that pressure A valve opening pressure detection is additionally arranged in the A valve opening air inlet (8), A reflux pressure detection is additionally arranged in the A reflux air inlet (7), pressure B valve opening pressure detection is additionally arranged in the B valve opening air inlet (10), and B reflux pressure detection is additionally arranged in the B reflux air inlet (9).
2. The precise constant-pressure glue supply system according to claim 1, wherein an electronic pressure regulating valve is additionally arranged between the valve-opening air inlet (8) and the valve-opening air inlet (7), and an electronic pressure regulating valve is additionally arranged between the valve-opening air inlet (10) and the valve-opening air inlet (9).
3. The precise constant-pressure glue supply system according to claim 1, wherein pressure sensors are arranged in the valve-opening air inlet (8) and the valve-opening air inlet (7), and pressure sensors are arranged in the valve-opening air inlet (10) and the valve-opening air inlet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210534306.XA CN114749343B (en) | 2022-05-17 | 2022-05-17 | Precise constant-pressure glue supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210534306.XA CN114749343B (en) | 2022-05-17 | 2022-05-17 | Precise constant-pressure glue supply system |
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| Publication Number | Publication Date |
|---|---|
| CN114749343A CN114749343A (en) | 2022-07-15 |
| CN114749343B true CN114749343B (en) | 2023-04-25 |
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| CN202210534306.XA Active CN114749343B (en) | 2022-05-17 | 2022-05-17 | Precise constant-pressure glue supply system |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207025744U (en) * | 2016-12-07 | 2018-02-23 | 大连扬天科技有限公司 | A kind of accurate aerating coating system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2038846C3 (en) * | 1970-08-05 | 1978-03-30 | Festo Maschf Stoll G | Multi-way control valve with adjustable actuation force |
| US7669610B2 (en) * | 2006-02-09 | 2010-03-02 | Tescom Corporation | Dome-loaded pressure regulators |
| DE102010012413A1 (en) * | 2010-03-23 | 2011-09-29 | Miro Gudzulic | Valve |
| CN101850312A (en) * | 2010-06-29 | 2010-10-06 | 新兴铸管股份有限公司 | Two-component spraying system |
| CN103982684A (en) * | 2014-05-27 | 2014-08-13 | 徐州天太机械制造有限公司 | Auxiliary safety device for etching machine |
| CN205371702U (en) * | 2015-12-25 | 2016-07-06 | 吴忠仪表有限责任公司 | Automatic pneumatic tee bend controller of pressure measurement |
| CN210290932U (en) * | 2019-05-06 | 2020-04-10 | 特瑞斯能源装备股份有限公司 | High-precision self-operated two-position three-way valve |
| CN110743464A (en) * | 2019-11-06 | 2020-02-04 | 江苏科技大学 | AB glue automatic mixing device and control system and control method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207025744U (en) * | 2016-12-07 | 2018-02-23 | 大连扬天科技有限公司 | A kind of accurate aerating coating system |
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Effective date of registration: 20240318 Address after: 1201-1210, South Building, Huiyan building, Changzhou science and Education City, No.18, middle Changwu Road, Wujin District, Changzhou City, Jiangsu Province, 213000 Patentee after: Jiangsu GaoKai precision fluid technology Co.,Ltd. Country or region after: China Address before: 518000 Room 201, building a, phase III factory building, Jiewei industrial city, shangmugu community, Pinghu street, Longgang District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Gaochuang Automation Technology Co.,Ltd. Country or region before: China |
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