CN103111403B - Vacuum drainage device of easy-open lids dividing coating machine - Google Patents
Vacuum drainage device of easy-open lids dividing coating machine Download PDFInfo
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- CN103111403B CN103111403B CN201310075702.1A CN201310075702A CN103111403B CN 103111403 B CN103111403 B CN 103111403B CN 201310075702 A CN201310075702 A CN 201310075702A CN 103111403 B CN103111403 B CN 103111403B
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Abstract
The invention relates to a vacuum drainage device of an easy-open lids dividing coating machine, which is characterized by comprising an inner rotating mask, an air draft outer mask and a suction blower, wherein the center of the inner rotating mask is coincided with the axis of a rotating shaft, the inner rotating mask is driven by the rotating shaft; the air draft outer mask is covered at the periphery of the inner rotating mask, an internal circular cavity is arranged around the inner rotating mask on the air draft outer mask, a circle of air draft grooves which are communicated with the circular cavity are arranged on the inner edge of the air draft outer mask; a radial passage is arranged at the inner rotating mask, one end of the radial passage points at the nozzle of a spray gun, and the other end is connected with the air draft groove, therefore the inner space of the inner rotating mask is connected with the circular cavity through the radial passage and the air draft groove; and an air draft port is arranged on the air draft outer mask, the air draft port is connected with a suction blower through a pipe. The on-site production tests prove that the vacuum drainage device disclosed by the invention has a good contamination exclusion effect, and the shutting down cleaning is not necessary in one production shift.
Description
Technical field
The present invention relates to easy open cover manufacturing equipment, be specifically related to a kind of vacuum pollutant discharging device of tinplate easy open cover rifle dynamic formula groove coating-supplementing machine.Specifically, this vacuum pollutant discharging device is applicable to the revolving groove coating-supplementing machine of spray gun.
Background technology
Along with the raising of people's living standard, canned food gets more and more, and the demand of its metal top pop cover is also increasing.For easy open cover manufacturer, which kind of easy open cover production equipment is adopted to be ensure the quality of products and the key of output.
In the production process of tinplate standard-sized sheet easy open cover, also need to carry out reparation coating by the capping coating of groove coating-supplementing machine to groove place after groove, in order to avoid the tinplate base steel layer at groove place exposes and produces corrosion.Groove coating-supplementing machine, from principle, can be divided into two classes: one is lid dynamic formula groove coating-supplementing machine, and namely spray gun keeps fixing and easy open cover motion; Two is rifle dynamic formula groove coating-supplementing machines, and namely easy open cover is fixed and spray gun moves along the groove on capping.
For lid dynamic formula groove coating-supplementing machine, because spray gun is motionless, blowdown apparatus arranges simply, air draught entrance 5 can with nozzle lean on very near, just to the region (referring to Fig. 1) of ejection, as long as use the air-flow of relatively low speed, just can realize good filth-discharging effect.But lid dynamic formula groove coating-supplementing machine easily causes extra scuffing to concealment paint, and system speed is low, cannot adapt to high speed lind connection and produce, substantially replaced by rifle dynamic formula at present.
For rifle dynamic formula groove coating-supplementing machine, be spray gun at groove upper direction, no matter do plane picture circular motion or rotate around capping axis, being ejected at coating falls in the whole process of capping, the coating of ejection all can be subject to the effect of centrifugal force, and coating, after leaving nozzle, will be dispersed.During airless spraying, coating will close to being atomized completely, and coating a large amount of like this can not fall capping groove place, but be scattered everywhere, and the scope making to be scattered increases by above-mentioned centrifugal force, causes the pollution of peripheral member.Time serious, peripheral member will accumulate out liquid coating, and the phenomenon producing stream or drip, can increase the weight of the pollution of capping and easy open cover conveying member.And in order to ensure the covering of groove, high pressure painting needs more quantity for spray, corresponding discharge rate (namely not falling the coating at capping groove place) also can be more excessively, except polluting, also result in the waste of coating.In order to solve the problem, Low-pressure airless spraying is widely used in groove coating in recent years.The object of low pressure makes after coating leaves nozzle, not to be atomized as far as possible, but in a liquid post type, to be directly sprayed onto groove place herein.Spray and the pollution because crossing spray generation can be reduced over like this.The small coating particles be atomized during high pressure painting, because granular mass is very little, when there being air-flow, relatively easily discharges.During low pressure spray, dispersing and being atomized of coating also to a certain degree exists, but the main source now polluted is the bounce-back of liquid coating when being sprayed onto at a high speed capping to splash, rebound herein splash liquid particles relatively high pressure spraying time atomizing particle much bigger, these large liquid particles need larger air-flow could discharge.In prior art, no matter be airless spraying and Low-pressure airless spraying, use be all inhale vacuum mode will cross spray coating discharge.A kind of way is had to be above capping 1 and spray gun 2 entirety, arrange that a suspended hood 3(is referring to Fig. 2), by large discharge induced-draught fan, spray paint is discharged; Another kind of way arranges an air sucking ring 4 above capping 1, and the inner edge of this air sucking ring 4 one week is all that air draught entrance 5(is referring to Fig. 3).The first way above-mentioned has certain effect to airless spraying, and the second way can only be used for Low-pressure airless spraying because one of air sucking ring 4 week air draught entrance is very little, away from air draught entrance 5 cross spray paint by the attraction of imperceptible vacuum.In order to wider spray paint of crossing being discharged, a method increases suction air volume, namely increases the air velocity of air draught when air draught entrance 5 is constant, more crosses spray paint to take away.But be through test to find, cross air-flow at a high speed and the direction of the liquid column coating spraying to capping 1 can be made on the contrary to change, cause groove to cover deviation.Moreover the air draught interface 6 on air sucking ring 4 is just positioned at certain side (as shown in Figure 3) of air sucking ring 4, the air-flow of whole air sucking ring 4 inside is also uneven, and coating effect when different angles of discharging excessive ejection is not identical yet.
Summary of the invention
The object of the invention is to provide a kind of vacuum pollutant discharging device of easy open cover groove coating-supplementing machine, with the problem that the air draught filth-discharging effect solving existing spray gun revolving groove coating-supplementing machine is not good.
For achieving the above object, the technical solution used in the present invention is: a kind of vacuum pollutant discharging device of easy open cover groove coating-supplementing machine, the spray gun that easy open cover groove coating-supplementing machine comprises support, gyroaxis and rotates around this gyroaxis; Described vacuum pollutant discharging device forms by turning round inner cover, air draught outer cover and induced-draught fan; The center of described revolution inner cover and gyroaxis axis coinciding, the relative gyroaxis of revolution inner cover is fixing to be driven by gyroaxis; Revolution inner cover is a disklike body, and it is placed in above easy open cover to be coated to coil mouth down cover, and the Pan Kou of revolution inner cover is greater than the external diameter of easy open cover to be coated; The end face of revolution inner cover offers through hole, and described spray gun is stretched through this through hole and is placed in revolution inner cover inside; Described air draught external cover is placed in the periphery of revolution inner cover, and there is gap between air draught outer cover and revolution inner cover, and the support of air draught outer cover relative easy open cover groove coating-supplementing machine is fixed; Be covered with inner annular cavity in the wraparound of air draught outer cover pressed on ring turns, the inner edge of air draught outer cover offer the air draught groove that a circle is communicated with toroidal cavity; On described revolution inner cover, the nozzle location of corresponding spray gun offers a radial passage, the nozzle of spray gun is pointed in this one end, radial passage, the other end connects described air draught groove, makes the inner space of revolution inner cover through radial passage, toroidal cavity that air draught groove connects air draught outer cover; Described air draught outer cover is provided with the air draught interface being communicated with toroidal cavity, and this air draught interface connects induced-draught fan through pipeline.
The further scheme of technique scheme is as follows:
1, in such scheme, described air draught interface is two, be located on the bottom surface of air draught outer cover, and a first from left parts the left and right sides of the easy open cover belt conveyor of listing in easy open cover groove coating-supplementing machine on the right side, radial passage is made to rotate to air draught flow is more stable at any angle with this, further, air draught interface is positioned at the downward pass-out in bottom surface, is also convenient to the cleaning above table top.
2, in such scheme, described radial passage is extensible towards one end of air draught groove is connected with an extension, this extension passes in the toroidal cavity of air draught outer cover through air draught groove, in order to avoid after long-term use, gather coating at the joint of radial passage and air draught groove between revolution inner cover and air draught outer cover and stick together both making.
Design principle of the present invention and the effect brought are:
What the present invention was breakthrough adds these parts of revolution inner cover, revolution inner cover is designed to the form rotated with spray gun, the nozzle of the radial passage on revolution inner cover and spray gun is made to keep relatively-stationary relation, this is core of the present invention, no matter spray gun rotates to any angle, radial passage and him is always had to keep geo-stationary, and air draught groove is led in radial passage, if using spray gun and revolution inner cover as stationary reference, just only have to cover on outside air draught and turn, so just be equivalent to spray gun relative with air draught entrance fixing, therefore filth-discharging effect of the present invention can close to the blowdown apparatus of the lid dynamic formula groove coating-supplementing machine shown in accompanying drawing 1, as long as use the air-flow of relatively low speed just can realize good filth-discharging effect.
During work, the present invention turns round inner cover along with spray gun High Rotation Speed, and the radial passage on revolution inner cover is communicated with the air draught groove of air draught outer cover, and effect is similar to swivel joint, is be connected on fixture by the air-flow of revolving part.
When the present invention works, revolution inner cover stops the spray paint excessively splashed in spraying, and, air-flow via through holes enters in revolution inner cover simultaneously, the flowing of air is with the spray paint particle excessively in inner cover, made spray paint directly from radial passage, air draught groove is expelled to air draught outer cover, discharge finally by air draught interface.Because airflow direction is downward, spray paint can not be run to device outside, the operating efficiency of air-flow is high, and the scope of pollution is reduced to minimum.In addition, the rotary centrifugal force of revolution inner cover also made spray paint outwards get rid of, and spray paint was full out discharged through radial passage, can not gather too much at radial passage inside courtyard, situation about blocking not easily occurs.
Proved by produced on-site test, the present invention can reach good filth-discharging effect, and producing in order of classes or grades at school at one does not need stop cleaning.And the part that the present invention may touch coating all can do the process of surface coating polytetrafluoroethylene (PTFE), easy to clean, is equipped with corresponding refill-unit, the servicing down times of coating-supplementing machine can be made to greatly reduce, effectively raise start efficiency.
Accompanying drawing explanation
Accompanying drawing 1 is the blowdown apparatus structural representation of existing lid dynamic formula groove coating-supplementing machine;
Accompanying drawing 2 is a kind of blowdown apparatus structural representation of existing rifle dynamic formula groove coating-supplementing machine;
Accompanying drawing 3 is the another kind of blowdown apparatus structural representation of existing rifle dynamic formula groove coating-supplementing machine;
Accompanying drawing 4 is embodiment of the present invention structural upright schematic diagram;
Accompanying drawing 5 is the A-A cross-sectional schematic of accompanying drawing 3;
Accompanying drawing 6 is the B place close-up schematic view in accompanying drawing 4.
In above accompanying drawing: 1, capping; 2, spray gun; 3, suspended hood; 4, air sucking ring; 5, air draught entrance; 6, air draught interface; 7, gyroaxis; 8, spray gun; 9, inner cover is turned round; 10, air draught outer cover; 11, easy open cover; 12, through hole; 13, air draught groove; 14, radial passage; 15, air draught interface; 16, easy open cover belt conveyor; 17, toroidal cavity; 18, extension; 19, cover plate.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: shown in accompanying drawing 4-6,
A vacuum pollutant discharging device for easy open cover groove coating-supplementing machine, is made up of revolution inner cover 9, air draught outer cover 10 and induced-draught fan (omit in figure and do not draw).
Spray gun revolving easy open cover groove coating-supplementing machine, comprise support, gyroaxis 7, around this gyroaxis 7 rotate spray gun 8 and conveying easy open cover 11 easy open cover belt conveyor 16.During use, be that easy open cover 11 is positioned in the pit be equally spaced of easy open cover belt conveyor 16, drive easy open cover 11 successively through the below of spray gun 8 by easy open cover belt conveyor 16.When easy open cover 11 pauses below spray gun 8, the center line of the axis same circle rotating shaft 7 of easy open cover 11 overlaps, after determining that easy open cover 11 puts in place, the nozzle of spray gun 8 is opened, by spray painting to the groove place of easy open cover 11, spray gun 8 sprays while rotate, and treats that one of easy open cover 11 circle groove has all been sprayed rear nozzle closes.Easy open cover belt conveyor 16 continues mobile, starts the coating of next easy open cover 11.See shown in accompanying drawing 4, be also provided with a cover plate 19 above easy open cover belt conveyor 16, the support of the relative easy open cover groove coating-supplementing machine of this cover plate 19 is fixed.
Shown in accompanying drawing 4-6, the center of described revolution inner cover 9 and gyroaxis 7 axis coinciding, the relative gyroaxis of revolution inner cover 97 is fixing to be driven by gyroaxis 7.Revolution inner cover 9 is a disklike body, and it is placed in above easy open cover 11 to be coated to coil mouth down cover, and the Pan Kou of revolution inner cover 9 is greater than the external diameter of easy open cover 11 to be coated; The end face of revolution inner cover 9 offers through hole 12, and described spray gun 8 is stretched through this through hole 12 and is placed in revolution inner cover 9 inside.Through hole 12, except being used for through except spray gun 8, again provides the passage that air-flow enters revolution inner cover 9, and can evenly offer multiple through hole 12 on the end face of revolution inner cover 9, to reduce the inertia of revolution inner cover 9 further, through hole 12 of illustrating in accompanying drawing 4 has five.
Shown in accompanying drawing 4-6, described air draught outer cover 10 is placed on the periphery of revolution inner cover 9, and there is gap between air draught outer cover 10 and revolution inner cover 9, the support of the relative easy open cover groove coating-supplementing machine of air draught outer cover 10 is fixed, and concrete air draught outer cover 10 is fixedly installed on cover plate 19.The wraparound of air draught outer cover 10 pressed on ring turns inner cover 9 and is provided with inner annular cavity 17, the inner edge of air draught outer cover 10 offers the air draught groove 13 that a circle is communicated with toroidal cavity 17.On described revolution inner cover 9, the nozzle location of corresponding spray gun 8 offers a radial passage 14, the nozzle of spray gun 8 is pointed in this one end, radial passage 14, the other end connects described air draught groove 13, makes the inner space of revolution inner cover 9 through radial passage 14, toroidal cavity 17 that air draught groove 13 connects air draught outer cover 10.
Shown in accompanying drawing 4-6, described air draught outer cover 10 is provided with the air draught interface 15 being communicated with toroidal cavity 17, this air draught interface 15 connects induced-draught fan through pipeline, concrete described air draught interface 15 is as shown in the figure two, be located on the bottom surface of air draught outer cover 10, and a first from left parts the left and right sides of the easy open cover belt conveyor 16 of listing in easy open cover groove coating-supplementing machine on the right side.In reality, the quantity of air draught interface 15 can be one, two or more.
Gap between revolution inner cover 9 and air draught outer cover 10 will cause gas leakage, but experiment finds, the throughput impact of gas leakage on radial passage 14 in this gap is little, does not affect the normal work of this mechanism.This gap width of minimizing that gas leakage as limited gap can be tried one's best, or do a little variation at revolution inner cover 9 and the upper surface of air draught outer cover 10, as done a little overlap, makes air-flow enter to have to pass through to turn round several times, to reduce the air leakage of gap location.
Radial passage 14 and air draught groove 13 Long-Time Service get off, more coating can be assembled at edge, the relative motion of turning round inner cover 9 and air draught outer cover 10 may be caused to be subject to adhesion, shown in accompanying drawing 5,6, in radial passage 14 towards the extensible connection one in one end extension 18 of air draught groove 13, this extension 18 passes in the toroidal cavity 17 of air draught outer cover 10 through air draught groove 13, gets final product head it off.Shown on accompanying drawing 5,6, described extension 18 is placed through in radial passage 14, and the outer end of extension 18 passes in the toroidal cavity 17 of air draught outer cover 10.
In order to increase cyclone effect, one week inwall of revolution inner cover 9 also can be designed to up-narrow and down-wide taper.
Further, the spray gun 8 of groove coating-supplementing machine can be that uniform two of wraparound rotating shaft 7 are even more, on described revolution inner cover 9 radial passage 14 must with spray gun 8 one_to_one corresponding, namely when spray gun 8 two, radial passage also will offer two.
The caliber size of described radial passage 14 according to jet size, spray pressure, the dope viscosity of spray gun 8, be coated with the capping size (i.e. spray gun 8 tactical diameter) of easy open cover etc. because usually determining.On the horizontal cross-section of revolution inner cover 9, radial passage 14 two-end-point that points to the port diameter of one end of spray gun 8 nozzle to gyroaxis 7 center line between angle be preferably 15 °-25 °.
See accompanying drawing 4-6, during the present embodiment work, revolution inner cover 9 stops the spray paint excessively splashed in spraying, and, air-flow via through holes 12 enters in revolution inner cover 9 simultaneously, the flowing of air with crossing spray paint particle in inner cover 9, made spray paint 9 directly from radial passage 14, air draught groove 13(and extension 18) be expelled to air draught outer cover 10, discharge finally by air draught interface 15.Because airflow direction is downward, cross spray paint and can not run to device outside, the operating efficiency of air-flow is high, and the scope of pollution is reduced to minimum.In addition, the rotary centrifugal force of revolution inner cover 9 also made spray paint outwards get rid of, and made spray paint full out through radial passage 14(and extension 18) discharge, can not gather too much at radial passage 14 inside courtyard, situation about blocking not easily occurs.In work, radial passage 14 on revolution inner cover 9 keeps relatively-stationary relation with the nozzle of spray gun 8, no matter spray gun 8 rotates to any angle, radial passage 14 and him is always had to keep geo-stationary, and air draught groove 13 is led in radial passage 14, if using spray gun 8 and revolution inner cover 9 as stationary reference, air draught outer cover 10 is just only had to turn, so just be equivalent to spray gun 8 relative with air draught entrance fixing, therefore the filth-discharging effect of the present embodiment can close to the blowdown apparatus of the lid dynamic formula groove coating-supplementing machine shown in accompanying drawing 1, as long as use the air-flow of relatively low speed just can realize good filth-discharging effect.
Above-described embodiment, perfect concrete scheme, 4-6 is through describing by reference to the accompanying drawings, and row insider can be fully understood, and designs multiple concrete combined method.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (3)
1. a vacuum pollutant discharging device for easy open cover groove coating-supplementing machine, the spray gun (8) that easy open cover groove coating-supplementing machine comprises support, gyroaxis (7) and rotates around this gyroaxis (7); It is characterized in that: described vacuum pollutant discharging device forms by turning round inner cover (9), air draught outer cover (10) and induced-draught fan; The center of described revolution inner cover (9) and gyroaxis (7) axis coinciding, the relative gyroaxis (7) of revolution inner cover (9) is fixing to be driven by gyroaxis (7); Revolution inner cover (9) is a disklike body, and it is placed in easy open cover (11) top to be coated to coil mouth down cover, and the Pan Kou of revolution inner cover (9) is greater than the external diameter of easy open cover (11) to be coated; The end face of revolution inner cover (9) offers through hole (12), and described spray gun (8) is stretched through this through hole (12) and is placed in revolution inner cover (9) inside; Described air draught outer cover (10) is placed on the periphery of revolution inner cover (9), and there is gap between air draught outer cover (10) and revolution inner cover (9), and the support of the relative easy open cover groove coating-supplementing machine of air draught outer cover (10) is fixed; Air draught outer cover (10) pressed on ring wraparound turns inner cover (9) and is provided with inner annular cavity (17), the inner edge of air draught outer cover (10) offers the air draught groove (13) that a circle is communicated with toroidal cavity (17); The nozzle location of the upper corresponding spray gun (8) of described revolution inner cover (9) offers a radial passage (14), the nozzle of spray gun (8) is pointed in this radial passage (14) one end, the other end connects described air draught groove (13), makes the inner space of revolution inner cover (9) through the toroidal cavity (17) of radial passage (14), air draught groove (13) connection air draught outer cover (10); Described air draught outer cover (10) is provided with the air draught interface (15) being communicated with toroidal cavity (17), and this air draught interface (15) connects induced-draught fan through pipeline.
2. the vacuum pollutant discharging device of easy open cover groove coating-supplementing machine according to claim 1, it is characterized in that: described air draught interface (15) is two, be located on the bottom surface of air draught outer cover (10), and a first from left parts the left and right sides of the easy open cover belt conveyor (16) of listing in easy open cover groove coating-supplementing machine on the right side.
3. the vacuum pollutant discharging device of easy open cover groove coating-supplementing machine according to claim 1, it is characterized in that: described radial passage (14) are connected with an extension (18) towards one end extension of air draught groove (13), and this extension (18) passes in the toroidal cavity (17) of air draught outer cover (10) through air draught groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310075702.1A CN103111403B (en) | 2013-03-11 | 2013-03-11 | Vacuum drainage device of easy-open lids dividing coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310075702.1A CN103111403B (en) | 2013-03-11 | 2013-03-11 | Vacuum drainage device of easy-open lids dividing coating machine |
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| Publication Number | Publication Date |
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| CN103111403A CN103111403A (en) | 2013-05-22 |
| CN103111403B true CN103111403B (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310075702.1A Active CN103111403B (en) | 2013-03-11 | 2013-03-11 | Vacuum drainage device of easy-open lids dividing coating machine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113600369B (en) * | 2021-08-04 | 2022-07-29 | 揭阳市华龙易拉盖有限公司 | Glue spraying and drying system |
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| CN201265050Y (en) * | 2008-09-23 | 2009-07-01 | 福建标新易开盖集团有限公司 | Electrophoresis coating machine for pop-top can lid |
| CN101512722A (en) * | 2006-08-28 | 2009-08-19 | 光学转变公司 | Recirculation spin coater with optical controls |
| CN203091185U (en) * | 2013-03-11 | 2013-07-31 | 苏州斯莱克精密设备股份有限公司 | Vacuum blowdown device of easy-open cap graduating supplement coating machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3981652A (en) * | 1974-08-05 | 1976-09-21 | Usm Corporation | Machine for partly coating articles |
| US4844345A (en) * | 1988-04-26 | 1989-07-04 | Waldrum John E | Aspirator tray |
| GB2269122A (en) * | 1992-07-29 | 1994-02-02 | Jose Peualver Garcia | Varnishing machine for covers for preserve cans |
| US5690740A (en) * | 1996-01-19 | 1997-11-25 | Smith; William C. | High volume low pressure air entrapment of overspray |
| CN1232414A (en) * | 1997-07-21 | 1999-10-20 | 何塞·佩纳尔韦·加西亚 | Machine for varnishing easy-to-open covers |
| CN2505188Y (en) * | 2001-08-16 | 2002-08-14 | 上海金利制盖有限公司 | Coating apparatus structure |
| CN101512722A (en) * | 2006-08-28 | 2009-08-19 | 光学转变公司 | Recirculation spin coater with optical controls |
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| CN103111403A (en) | 2013-05-22 |
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Effective date of registration: 20160608 Address after: 215156, 621 Xu Shi Road, Xu Town, Suzhou, Jiangsu, Wuzhong District Patentee after: SUZHOU SILAIKE INTELLIGENT MOLD MANUFACTURING CO., LTD. Address before: 215156, 621 Xu Shi Road, Xu Town, Suzhou, Jiangsu, Wuzhong District Patentee before: Suzhou SLAC Precision Equipment Co., Ltd. |