Background technology
Because the market demand of global electronic product and design are developing to little, accurate, the powerful direction of volume, electronic devices and components also towards: the direction of small, centralization, precision develops.In the electronics processing and manufacturing process, because printing causes bad 75% of the reflow soldering undesirable element that occupies of quality, and in these factors 95% reason be since manual defective of cleaning steel mesh as manually-operated inconsistency, personnel's changeable in mood operation, the quality that maloperation of people or the like causes is bad, there are other many potential hazards in addition: inflammable potential safety hazard (the artificial liquid that cleans use mostly is the alcohols chemical materials and is exposed to the heat-producing device that the production scene contacts production line easily), (the harmful substance that all there is different proportion in most cleaning fluid is as lead in the life health hazard, cadmium, mercury, PBBs or the like), (a large amount of cleaning fluid consumption of production cost height, artificial waste, manufacturing is done over again, order quality instability), this has become the bottleneck in the manufacturing process.Also polluting working environment and atmospheric environment.
Electronic manufacturing industry develops towards the direction of automation (improving production capacity and quality), hommization, energy-conserving and environment-protective.Old production technology can not satisfy production demand of today, and the general trend of events that to use full-automatic steel mesh cleaning machine be industry development is driven
Present stage, this equipment and technology for topic of solution of some reality of e-factory was: utilize traditional handicraft to rely on the ultrasonic cleaning technology of electric energy to handle the problems referred to above, that is: steel mesh is invaded bubble in the flux bath of common steel mesh cleaning machine, on the flux bath external shell, settle supersonic oscillator, control its vibrations with generator, the material on steel mesh surface is removed, reached the purpose of cleaning.But the defective that the kind technology exists is:
1, because make electricity consumption, there is the hidden danger of fire and blast; 2, complicated operation; 3, a lot of maintenance, repair troubles of machine part; 4, solvent volatility is big, causes the pollution of environment.
The utility model content
The technical problem that the utility model embodiment will solve provides a kind of rotary spraying device, can use source of the gas as power, simple to operate, cleans the object that steel mesh etc. is cleaned automatically, prevents the volatilization of cleaning liquid.
For solving the problems of the technologies described above, the embodiment of rotary spraying device provided by the utility model is achieved through the following technical solutions:
A kind of rotary spraying device comprises pipeline, two parts of transmission, wherein:
Pipeline portions, comprise swivel joint, central shaft and spray bar, be connected in turn on the center line, driving described pipeline portions by running part rotates, pipeline portions is by inner aperture circulating liquid, described swivel joint is non-rotatable, and pipeline that it is inner and described central shaft, spray bar are to come driven rotary and circulating liquid by air motor;
Running part, comprise air motor, reductor, Connection Block, shaft joint, connecting axle and thickening cushion block, connecting axle, shaft joint and Connection Block are connected air motor and reductor, air motor drives reductor by connecting axle and shaft joint and rotates, the hole of exerting oneself, described reductor inside, described central shaft is installed in the middle of the hole of exerting oneself, and reductor drives central shaft and rotates synchronously;
And the thickening cushion block that is used for fixing whole rotary spraying device.
Technique scheme has following beneficial effect: rotary spraying device that the utility model embodiment provides uses source of the gas as power, simple to operate, cleans the object that steel mesh etc. is cleaned automatically, prevents the volatilization of cleaning liquid.
The specific embodiment
The rotary spraying device of introducing the utility model embodiment in detail and providing below in conjunction with accompanying drawing is applied to full-automatic steel mesh cleaning machine.This full-automatic steel mesh cleaning machine is made up of the go the same way atmospheric control of transmission system, Fig. 2 and the rotary spraying device of Fig. 3 of the gas-liquid of Fig. 1.
The atmospheric control structural representation that Fig. 1 provides for the utility model embodiment; with reference to this figure, this atmospheric control comprises: pressure-reducing valve 111; first cylinder manifold 112; second cylinder manifold 134; source of the gas indicator lamp 133; first timer 123; second timer 124; normally closed Pneumatic valve 113; normally closed Pneumatic valve 114; often open Pneumatic valve 115; normally closed Pneumatic valve 116; normally closed Pneumatic valve 117; often open Pneumatic valve 118; often open Pneumatic valve 119; often open Pneumatic valve 120; the 3rd air motor 125; first air motor 126; second air motor 127; Pneumatic valve 121; Pneumatic valve 122; door protective valve 131; suddenly stop valve 130; valve 128 and starter gate valve 129 reset.Be connected to form the loop by tracheae between each element.Be specially: compressed air outputs to first cylinder manifold 112 and normally closed Pneumatic valve 121 by pressure-reducing valve 111, often opens Pneumatic valve 113, second timer 124.Export to starter gate valve 129 and normally closed Pneumatic valve 114 by often opening Pneumatic valve 113.Normally closed Pneumatic valve 114 and starter gate valve 129 are controlled the source of the gas of second cylinder manifold 134.Second cylinder manifold 134 export to often open Pneumatic valve 115, often open Pneumatic valve 118, often open Pneumatic valve 119, first air motor 126, second air motor 127, first timer 123, normally closed Pneumatic valve 117, normally closed Pneumatic valve 116.Often open Pneumatic valve 120 and accept the output source of the gas of normally closed Pneumatic valve 117; Often open Pneumatic valve 119 and often open Pneumatic valve 118 and accept the output source of the gas of normally closed Pneumatic valve 117 and controlled by it; Pneumatic valve 121 is accepted the control of often opening the output source of the gas of Pneumatic valve 120 and being subjected to it: second timer 124 and first timer 123 are accepted the control of often opening Pneumatic valve 118 respectively.Normally closed Pneumatic valve 117 is accepted the control of first timer 123; Often open Pneumatic valve 115 and the control of often opening the normally closed Pneumatic valve 116 of Pneumatic valve 119 acceptance: normally closed Pneumatic valve 116 is accepted the control of second timer 124: the 3rd air motor 125 and Pneumatic valve 122 insert often to be opened control valve 119 and controlled by it; Normally closed Pneumatic valve 113 is accepted the anxious control that stops valve 130.
The valve 128 that resets inserts first cylinder manifold 112, and inserts first timer 123 and second timer 124.Stop being provided with between the valve 130 indicator lamp 132 of closing the door at door protective valve 131 and urgency.First cylinder manifold 112 is provided with source of the gas indicator lamp 133.
At first source of the gas inputs to pressure-reducing valve 111, and pressure-reducing valve 111 is controlled at compressed-air actuated pressure in the scope of setting (5-7 kg/cm).Output to first cylinder manifold 112, Pneumatic valve 121, indicator lamp 133, door protective valve 131, starter gate valve 129 then, valve 128, second timer 124 reset.Source of the gas indicator lamp 133 is shinny, and this moment, display system fed source of the gas.Press the button of the valve 128 that resets, output pressure to the first timer 123, second timer 124, reset them (belonging to the gas control element because of first timer 123, second timer 124, so need before using it is resetted).Configure the time of first timer 123,124 work of second timer.Door protective valve 131 is closed the indicator lamp 132 shinny (have only this indicator lamp 132 of closing the door shinny, system just can be activated and work) of closing the door this moment.Press the button of starter gate valve 129, be about to compressed air and export second cylinder manifold 134 to, Pneumatic pipe cleaner is crossed second cylinder manifold 134 and is often being opened Pneumatic valve 115 with normally closed Pneumatic valve 114 control and self-lockings.Compressed air is transported to second cylinder manifold 134 by normally closed Pneumatic valve 114.Second cylinder manifold 134 is being exported to compressed air in first motor 126, second motor 127, first timer 123, is often being opened Pneumatic valve 118, normally closed Pneumatic valve 117, normally closed Pneumatic valve 116 and Chang Kai Pneumatic valve 115 (being used to keep the self-locking of normally closed Pneumatic valve 114).Often opening Pneumatic valve 118 output pressures picks up counting for first timer, 123, the first timers 123.Often open Pneumatic valve 119 output pressures and give the 3rd air motor 125 and normally closed Pneumatic valve 122.The 3rd air motor 125 is started working, and sucks liquid.Normally closed Pneumatic valve 122 is opened, and liquid ejects the cleaning steel mesh by its through hole.After 123 times of first timer arrived, first timer, 123 output pressures were controlled normally closed Pneumatic valve 117 and are opened.Normally closed Pneumatic valve 117 output pressures are given and often to be opened Pneumatic valve 120, and control is often opened Pneumatic valve 119, often opened Pneumatic valve 118 and disconnect.Often open the source of the gas that Pneumatic valve 119 disconnects the 3rd motor 125 and Pneumatic valve 122, they are quit work.Often open the source of the gas that Pneumatic valve 118 disconnects first timer 123, first timer 123 quits work, and output pressure is given the timing of starting working of second timer, 124, the second timers 124, the Pneumatic valve 121 of normally open valve 120 output pressures control is simultaneously opened, and circulation compressed air is with dry steel mesh.After 124 times of second timer arrived, output pressure was controlled normally closed Pneumatic valve 116 and is opened.Pneumatic valve 120 is often opened in normally closed Pneumatic valve 116 output pressures control this moment and Chang Kai Pneumatic valve 115 is closed.Often open Pneumatic valve 120 and stop output pressure, Pneumatic valve 121 promptly disconnects.Often open Pneumatic valve 115 and stop output pressure, normally closed Pneumatic valve 114 disconnects.Normally closed Pneumatic valve 114 promptly disconnects the source of the gas of all Pneumatic valves and timer, and everything stops, and working cycles finishes.Wherein normally closed Pneumatic valve 113 is sources of the gas of exporting to normally closed Pneumatic valve 114.Normally closed Pneumatic valve 113 is used for the urgent stop valve of the course of work.Press urgent stop valve, promptly output pressure disconnects the source of the gas of whole gas circuit.Press the valve 128 that resets, two timers are resetted, can realize the preparation of the next course of work.
Working method is to rely on often the opening of each valve body itself/normally closed, come opening or closing of control valve with compressed air, and use pneumatic time timer to control the working time in each stage, adding that the difference between each valve connects, realize a mutual interlocking gear, each valve switches mutually in the course of work, to reach the control of automation, one-touch operation.
The go the same way structural representation of transmission system of the gas-liquid that Fig. 2 provides for the utility model embodiment, referring to this figure, this gas-liquid transmission system of going the same way is divided into two parts, comprise: comprise that liquid reserve tank 21, membrane pump 22, grade one filter 23, secondary filter 24, second vapour-liquid valve 25, first vapour-liquid valve 26 connect successively by pipeline, outside compressed air inserts first vapour-liquid valve 26, between first vapour-liquid valve 26 and second vapour-liquid valve 25, connect and be provided with first pipeline 27 and 28 parallel connections of second pipeline, insert two outlets 213,214 of rotary spraying device 211 respectively.Wherein first order filter 23 filtering holes diameters are 5 microns, and the filtering holes diameter of second level filter 24 is 1 micron.Cleaning liquid behind rotary spraying device 211 cleaning of objects flows to liquid reserve tank 21, is provided with screen pack 212 between liquid reserve tank 21 and rotary spraying device 211, and the filtering holes diameter of screen pack 212 is 10 microns.Compressed air feeds these gas-liquids transmission system of going the same way by pipeline opening 29.First vapour-liquid valve 26 and second vapour-liquid valve 25 are to be in closed condition before liquid and compressed air circulation, and they are controlled by Pneumatic valve in the atmospheric control of above-mentioned Fig. 1 121 and Pneumatic valve 122 respectively.Compressed air and liquid are gone the same way by first vapour-liquid valve 26, second vapour-liquid valve 25 and are transferred to pipeline 27, pipeline 28.
The go the same way entire work process of transmission system of this gas-liquid is:
At first second vapour-liquid valve 25 is opened (this moment, first vapour-liquid valve 26 was closed), and liquid is flowed through membrane pump 22 → 5UM filter 23 → 1UM filter 24 → the second vapour-liquid valves 25 to pipeline 27, pipeline 28 by liquid reserve tank 21, returns liquid reserve tank.Close second vapour-liquid valve 25, liquid stops to flow.Open first vapour-liquid valve 26 again, compressed air flow through pipeline 27, pipeline 28.Because the cleaning fluid of circulation belongs to liquid substance, in order to make the object that is cleaned promptly totally dry again, so use compressed air.Stop circulation time at liquid, the liquid that the body surface that is cleaned in the equipment with this system adheres to dries up as early as possible.
Gas and liquid are by pipeline 27, pipeline 28 circulations all the time in the whole work, Pneumatic valve 121 in the just outside atmospheric control and Pneumatic valve 122 switches second vapour-liquid valve 25 and first vapour-liquid valve 26 is controlled liquid and compressed-air actuated sequence of flow is to realize the gas-liquid transmission of going the same way.Go the same way membrane pump 22 in the transmission system of this gas-liquid is the 3rd motors 125 in the atmospheric control shown in Figure 1.
Fig. 3 is the structural representation of the rotary spraying device that matches with atmospheric control that the utility model embodiment provides.Referring to this figure, this rotary spraying device comprises: pipeline, two parts of transmission, wherein:
Pipeline portions, comprise that swivel joint 35, central shaft 34 and spray bar 31 constitute, be connected in turn on the center line, driving described pipeline portions by running part rotates, pipeline portions is by inner aperture circulating liquid, described swivel joint 35 is non-rotatable, and pipeline that it is inner and described central shaft 34, spray bar 31 are and can lead to liquid by air motor 39 driven rotary;
Running part, comprise air motor 39, reductor 33, Connection Block 38, shaft joint 37, connecting axle 36 and thickening cushion block 32, connecting axle 36, shaft joint 37 and Connection Block 38 are connected air motor 39 and reductor 33, air motor 39 drives reductor 33 by connecting axle 36 and shaft joint 37 and rotates, the hole of exerting oneself, described reductor 33 inside, described central shaft 34 is installed in the middle of the hole of exerting oneself, reductor drives the synchronous rotation of central shaft 34, and the thickening cushion block 32 that is used for fixing whole rotary spray mechanism.
Rotary spray mechanism in the whole full-automatic steel mesh cleaning machine is by forming as two relative rotary spraying devices among Fig. 2.The air motor of two rotary spraying devices is respectively first motor 127 and second motor 126 in Fig. 1 atmospheric control.
The course of work of this rotary spraying device:
The steel mesh that will be cleaned is put into the equipment that is provided with rotary spraying device, starts atmospheric control, gas-liquid go the same way transmission system and rotary spraying device.Cleaning liquid goes into circulation immediately, and cleaning liquid, is sprayed by spray bar 31 to spray bar 31 by swivel joint 35, central shaft 34.Because the cleaning liquid that spray bar 31 sprays just goes out towards a direction direct injection, and the surface of steel mesh needs 360 ° cleaning, so whole wiper mechanism all must be rotated,, drives whole wiper mechanism rotation so must use air motor to be used as power.Air motor 39 will be transferred to reductor 33 with power by connecting axle 36 and shaft joint 37.Reductor 33 rotates by the internal gear conversion power with change direction and rotating speed.The hole of exerting oneself, reductor 33 inside, mounting center axle 34 in the middle of the hole of exerting oneself, reductor 33 drive the synchronous rotation of central shaft 34 thereupon.Swivel joint that its central shaft 34 two are connected 35 and spray bar 31 promptly rotates, and the spray bar 31 of rotation is the surface that is sprayed at steel mesh of 360 ° of liquid, reaching cleaning performance completely, thereby realize whole rotary spraying device cleaning steel mesh.Thickening cushion block 32 roles wherein are the equipment that is fixed for installing rotary spraying device, because rotary spraying device need be installed in the inside of equipment.Because the size at reductor 33 edges less than the size at air motor 39 edges, make their smooth installations in one plane just the thickness at reductor 33 edges need be increased, use thickening cushion block 32 to connect the inside of reductor 39 with the equipment of being fixed on.
More than go the same way transmission system and the system that matches, device of a kind of gas-liquid that the utility model embodiment is provided be described in detail, utilizing this said system and device to combine becomes full automatic steel mesh cleaning machine, is applied to steel mesh, the PCB cleaning equipment of electron trade.Adopt compressed air as the energy, make each parts finish the required course of work, finally reach the purpose of cleaning.Realized automatic control, simple to operate; And the recyclable utilization of realization cleaning liquid.Adopt Compressed Gas as power, stopped breaking out of fire hidden danger.Owing to clear up in time having corrosive cleaning liquid, also reduced the maintenance times of equipment.
For one of ordinary skill in the art, according to the thought of the utility model embodiment, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.