CN103052857B - Device for drying workpieces after a cleaning operation - Google Patents
Device for drying workpieces after a cleaning operation Download PDFInfo
- Publication number
- CN103052857B CN103052857B CN201180038363.9A CN201180038363A CN103052857B CN 103052857 B CN103052857 B CN 103052857B CN 201180038363 A CN201180038363 A CN 201180038363A CN 103052857 B CN103052857 B CN 103052857B
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- vacuum chamber
- workpiece
- equipment
- dried
- described vacuum
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
In order to provide a device for drying workpieces after a cleaning operation, comprising a vacuum chamber for the vacuum drying of a workpiece to be dried, which makes it possible for a workpiece that is to be dried to be dried largely without any residual soiling, it is proposed that the device comprises at least one blowing nozzle which opens out in the vacuum chamber and by means of which the workpiece to be dried can be exposed to a blowing medium.
Description
Technical field
The present invention relates to the equipment for dry workpiece after the cleaning process, wherein, this equipment comprises the vacuum chamber for vacuum drying workpiece to be dried.
Background technology
Such equipment is particularly useful for the drying after workpiece cleans in moisture clean facilities.At this, this drying is mostly undertaken by the air blast produced via air blast in blast area or compressed air and the back to back vacuum drying in vacuum chamber.
But there is very large risk at this, that is, clean workpiece is polluted again by the dirt particle in blast area.
By the time of staying that workpiece is relatively short in blast area, the flowing velocity of air blast will inevitably be high.By this high flowing velocity, dirt particle is driven and is guided on workpiece to be dried, there is the risk that workpiece pollutes again thus.
Summary of the invention
Technical problem to be solved by this invention is, create the equipment for dry workpiece after the cleaning process of aforementioned type, this equipment makes the drying of not polluting again to a great extent of workpiece to be dried become possibility.
According to the present invention, this technical problem solves in the following way, namely, a kind of equipment for dry workpiece is after the cleaning process provided, this equipment comprises the vacuum chamber for vacuum drying workpiece to be dried, wherein, this equipment comprises at least one air-blast nozzle passed in a vacuum chamber, workpiece to be dried can load by this at least one air-blast nozzle blasting media, wherein, this equipment also comprises at least one cleaning nozzle passed in a vacuum chamber except at least one air-blast nozzle, can cleaning agent be given in the inner chamber of vacuum chamber by cleaning nozzle, this equipment comprises the device for generation of blasting media pulse, this blasting media pulse has 1.0 seconds or less duration.。
By technical scheme of the present invention based on such design, that is, at the scavenging process performed on workpiece to be dried for vacuum drying internal vacuum chamber.
By performing scavenging process in vacuum chamber, significantly reduce the risk again polluted of workpiece to be dried.
Preferably not there is by the equipment for dry workpiece of the present invention the blast area be used for workpiece scavenging be arranged in outside vacuum chamber.In this case, workpiece to be dried is directly placed to vacuum drying indoor after the cleaning process.Thus polluting again by the pre-drying process in independent blast area is eliminated.
Preferably can adjust from the location of the blasting media of air-blast nozzle and/or Way out, thus the blasting media beam produced by air-blast nozzle especially can be directed on the space on workpiece to be dried, in these spaces, still have the clean liquid be attached on workpiece.
Each fluid media (medium), such as surrounding air, compressed air or steam can be used as blasting media in principle.
When blasting media has the higher temperature of relative room temperature, so this provide following advantage, that is, avoid the less desirable cooling of workpiece during dry run.
Be used for the equipment of dry workpiece by the present invention and especially can comprise equipment for heat blowing medium.The cooling of the expection of workpiece during dry run is avoided by heat blowing medium.
Arrange in preferred design of the present invention, the equipment for dry workpiece comprises the device for generation of blasting media pulse.Especially can load only there is no dried limit position by process of vacuum drying, to be assigned on surface of the work by the cleaning agent be attached on these positions in large area by this blasting media pulse, especially by pulse of compressed air.And then the drying of the heat energy support in workpiece by vacuum process is stored in.
Blasting media pulse preferably has about 1.0 seconds or less duration.
This pulsed scavenging of workpiece can be carried out before, during and/or after process of vacuum drying.
When vacuum chamber ventilates by least one air-blast nozzle, the ventilation of vacuum chamber after vacuum drying impurely can not carried out in the mode that can simply control and to a great extent again.
In order to prevent the dirt particle from blasting media from polluting workpiece to be dried, equipment preferably includes at least one fine filter, and blasting media inputs at least one air-blast nozzle by this fine filter.
Fine filter preferably has about 10 μm or less, preferred about 5 μm or less filtering accuracy.At this, filtering accuracy describes granular size, and from this granular size, particle is retained by filter.
Fine filter especially can be configured to HEPA filter (HEPA).
In order to can easily clean vacuum room inner chamber and avoid dirt the gathering at internal vacuum chamber again polluting workpiece to be dried thus, advantageously, equipment comprises the cleaning nozzle that at least one passes into vacuum chamber.
Can by cleaning agent by cleaning nozzle, preferably liquid cleaning agent, is given in the inner chamber of vacuum chamber.
At this, at least one in cleaning nozzle can construct rotationally, thus loads the as far as possible large region of the inner chamber of vacuum chamber by this cleaning nozzle cleaning agent.
In order to and/or drop on cleaning agent the condensate in the inner chamber of vacuum chamber and discharge from the inner chamber of vacuum chamber, vacuum chamber can comprise at least one liquid outlet.
Liquid outlet preferably constructs in this wise, thus liquid can be discharged from vacuum chamber from the darkest position of the inner chamber of vacuum chamber by liquid outlet.
Vacuum chamber preferably constructs in this wise, thus its inwall is distributed near the outline of workpiece to be dried as far as possible, thus makes only to retain very little gap between the surface and the inwall of vacuum chamber of workpiece to be dried.Thus achieve and can retain only little dead band by vacuum chamber and in the inner chamber of vacuum chamber outside workpiece fast, may build up of dirt particle in this dead band.
The whole volume that can vacuumize of the inner chamber of free volume, that is vacuum chamber of the inner chamber of the vacuum chamber preferably volume that occupies of workpiece to be dried the highest by about 200%, preferably the highest by about 150%, wherein, under this limits, the volume occupied by workpiece to be dried belongs to the free volume of the inner chamber of vacuum chamber.
May gather and drop onto therefrom on workpiece in the part being in above workpiece to be dried of the inner chamber of vacuum chamber to prevent liquid, especially condensate, advantageously, the part relative level line that at least one of the inner chamber of vacuum chamber is vertically arranged in above the workpiece in the work location being in internal vacuum chamber constructs obliquely and/or deviously.
Particularly advantageously, the whole inwall relative level line of vacuum chamber tilts and/or constructs deviously substantially.
Such as can arrange, vacuum chamber comprises the matrix of cylinder shape substantially.
In order to load vacuum chamber with workpiece to be dried, advantageously, equipment comprises workpiece accommodation section, and this workpiece accommodation section can in the work location of internal vacuum chamber and workpiece accommodation section be at least part of, the loading be preferably substantially arranged in completely outside vacuum chamber moves between locating.
Arrange in preferred design of the present invention, equipment comprises lid in order to dry workpiece, and when workpiece accommodation section is in its work location, this lid can move and the inlet opens of closing vacuum chamber together with workpiece accommodation section.
Arrange in the design by equipment of the present invention, vacuum chamber has longitudinal direction, and this longitudinal direction to insert in vacuum chamber period essentially horizontally orientation at workpiece to be dried.
Workpiece accommodation section is preferably arranged essentially parallel to this longitudinal direction orientation of vacuum chamber from loading the direction of motion navigating to work location.
The longitudinal direction of vacuum chamber is preferably the direction of the axis of symmetry of vacuum chamber and/or such direction, and the expansion of vacuum chamber is maximum in the direction in which.
Arrange in alternative design of the present invention, equipment has following longitudinal direction in order to dry workpiece, and this longitudinal direction to be placed in vacuum chamber period orientation vertically substantially at workpiece to be dried.
In particular, part is dug in order to drawing of workpiece to be dried can be emptied before vacuum drying and/or during vacuum drying, advantageously, vacuum chamber has following longitudinal direction, being oriented in during workpiece is arranged in internal vacuum chamber of this longitudinal direction especially changes by the equipment for rotating or overturn vacuum chamber, particularly can rotate and/or can overturn.
The orientation of longitudinal direction preferably can after workpiece is placed in vacuum chamber and/or workpiece changed before vacuum chamber takes out.
Especially can arrange, the longitudinal direction of vacuum chamber can with 45 ° or more, preferably such as rotate or be turned to vertical orientation from the orientation of level with about 90 ° or rotate from vertical orientation or be turned to the orientation of level.
In addition, the invention still further relates to the method for dry workpiece after the cleaning process.
Other technical problem to be solved by this invention is, creates the method being used for dry workpiece after the cleaning process, avoids the pollution again treating dry workpiece in the method to a great extent.
This technical problem is solved by the method for dry workpiece after the cleaning process, and the method comprises following method steps:
-workpiece to be dried is inserted vacuum chamber;
-load workpiece at internal vacuum chamber by least one air-blast nozzle blasting media;
-by vacuum chamber to perform the vacuum drying of workpiece;
-ventilate to vacuum chamber;
-workpiece is taken out from vacuum chamber.
At this, the method step mentioned also can be implemented in the order being different from aforementioned list order.
Arrange in by the preferred design of method of the present invention, the ventilation of the vacuum chamber ventilating gas under the pressure being in raising carries out.This ventilating gas expands when entering vacuum chamber, and ventilating gas is cooled and itself cools the workpiece of drying thus.By when ventilating to vacuum chamber to this cooling of the workpiece at internal vacuum chamber, reduce the difference of workpiece temperature and room temperature, thus make it possible to shorten or fully phase out workpiece within vacuum chamber or outside back to back cooling procedure.
Preferably, the pressure of ventilating gas higher than the atmospheric pressure of ambient air at least about 1bar, preferably at least about 5bar.
By the scavenging of workpiece and the vacuum drying of workpiece, the combination in same vacuum chamber reaches the improved efficiency in dry run.
Be reduced for the energy needed for dry run, and drying is contamination-freely carried out to a great extent.
This external enwergy is vacuumizing to use and having the vavuum pump of smaller power of vacuum chamber.
Accompanying drawing explanation
Other Characteristics and advantages of the present invention is the ensuing explanation of embodiment and illustrated theme.
In accompanying drawing:
Fig. 1 shows the schematic side elevation for the equipment of dry workpiece after the cleaning process, and wherein, this equipment comprises vacuum chamber, and vacuum chamber has the longitudinal axis of the substantial horizontal orientation when workpiece to be dried is placed in vacuum chamber;
Fig. 2 show through the vacuum chamber with the workpiece arranged in it, along the schematic cross-section of the line 2-2 in Fig. 1;
Fig. 3 shows the schematic side elevation for the second form of implementation of the equipment of dry workpiece after the cleaning process, wherein, this equipment comprises vacuum chamber, and vacuum chamber has the longitudinal direction be substantially vertically oriented when workpiece to be dried is placed in vacuum chamber; And
Fig. 4 show through the workpiece arranged by the vacuum chamber of Fig. 3 and Qi Nei, along the schematic cross-section of the line 4-4 in Fig. 3.
Element that is identical or function equivalent all marks with same Reference numeral in all of the figs.
Detailed description of the invention
Illustrate in fig. 1 and 2, comprise vacuum chamber 102 with the equipment for dry workpiece after the cleaning process that Reference numeral 100 marks as a whole, this vacuum chamber comprises the matrix 104 of such as cylinder shape substantially, and the closed section 106 of this matrix by such as taper on an ora terminalis side is closed.
On the side opposed with closed section 106, vacuum chamber 102 has such as substantially circular inlet opens 108, and this inlet opens can be closed by lid 110.
Lid 110 is connected with workpiece accommodation section 112, and this workpiece accommodation section has the locking equipment 114 for being locked at by workpiece 116 to be dried on workpiece accommodation section 112.
Workpiece accommodation section 112 can from locating to the work be shown in broken lines in FIG with the loading setting movement shown in solid line in FIG together with lid 110, in loading location, workpiece accommodation section 112 at least partly, be preferably fully arranged in outside vacuum chamber 102 substantially, and in work is located, 112, workpiece accommodation section to be arranged in completely in the inner chamber 118 of vacuum chamber and to cover the inlet opens 108 of 110 closing vacuum chamber 102 airtightly substantially.
Sports equipment 120 for workpiece accommodation section 112 and lid 110 from loading the motion that navigates to work location and getting back to the motion of loading location, the guiding device 122 that this sports equipment illustrate only in FIG from work location.
Guiding device 122 such as can comprise the guide bar 124 be connected with lid 110, and this guide bar runs through pilot bore 126, and these pilot bore are such as arranged on each guide plate 128.
Sports equipment 120 comprises (unshowned) motor type driver in addition, the driver of such as electronic, pneumatic or hydraulic pressure, driver especially acts on guide bar 124, so that the longitudinal direction making guide bar distribute along the direction of motion 130 that it is parallel to workpiece accommodation section 112 and lid 110 moves.
The direction of motion 130 is arranged essentially parallel to the longitudinal direction 132 of vacuum chamber 102 and (in the position shown in Fig. 1 of vacuum chamber 102) is arranged essentially parallel to horizontal line 134 orientation.
The longitudinal direction 132 of vacuum chamber is especially parallel to the longitudinal central axis line distribution of the cylinder shape matrix 104 of vacuum chamber 102.
In order to the vacuum chamber 102 under the closed state of the inlet opens 108 of lid 110 closing vacuum chamber 102 being vacuumized, equipment 100 comprises vacuum generator 138 in addition, such as form is vavuum pump 140, and this vavuum pump is connected with the inner chamber 118 of vacuum chamber 102 by vacuum-pumping pipeline 142.
Disabling mechanism 144 is furnished with in vacuum-pumping pipeline 142.
In order to can the workpiece 116 of blasting media load placement in vacuum chamber 102 be used, equipment 100 comprises blast apparatus 146 in addition, this blast apparatus passes into the air-blast nozzle 148 in vacuum chamber 102 with multiple, the exit opening 150 of these air-blast nozzles is directed on the surface of workpiece 116 to be dried, if workpiece 116 is in the work location in the inner chamber 118 of vacuum chamber 102.
Air-blast nozzle 148 is connected to and distributes on passage 152, and blasting media intake line 154 passes into this distribution passage.
Distribute passage 152 can be arranged in outside vacuum chamber 102.
Distribute passage 152 especially can be configured to arc and can about the longitudinal central axis line 136 of vacuum chamber 102 extend past at least about 90 °, preferably at least about 120 °, especially at least about the angle of circumference of 180 °.
Air-blast nozzle 148 is preferably from multiple side, be especially directed to workpiece 116 to be dried from least three sides.
Disabling mechanism 156 is furnished with in blasting media intake line 154.
Disabling mechanism 156 can be manipulated like this by (unshowned) control appliance of equipment 100 in the scavenging period of dry run, thus make this disabling mechanism discharge blasting media intake line 154 during the very short time period of such as about 0.5 second to about 0.1 second, thus corresponding very short blasting media pulse is given on workpiece 116 by air-blast nozzle 148.
Also multiple very short blasting media pulse like this can be produced in this scavenging period.
During the ventilating stage of equipment 100, disabling mechanism 156 can be manipulated by control appliance like this, thus make this disabling mechanism discharge blasting media intake line 154, until the identical pressure substantially reached in the inner chamber 118 of vacuum chamber 102 as in the exocoel of vacuum chamber 102 and thus vacuum chamber 102 ventilate, thus make it possible to again open inlet opens 108.
In addition, be furnished with fine filter 158 in blasting media intake line 154, blasting media, before being given on workpiece 116 by air-blast nozzle 148, is filtered by this fine filter.
Fine filter 158 can be arranged in flow downstream or the flowing upstream of disabling mechanism 156.
Fine filter 158 has such as about 10 μm or less, the filter of preferably about 5 μm or less filtering accuracy.
At this, filtering accuracy describes granular size, and from this granular size, particle is just retained by filter.
The fine filter that fine filter 158 preferable configuration ramify is fine and closely woven.
Fine filter 158 especially can be configured to HEPA filter (HEPA).This filter has the filtration grade H10 or higher by European standard EN1822-1:1998.
Blasting media intake line 154 is connected on blasting media source 160.
Blasting media source 160 can be such as compressed air source, and the compressed air under the pressure condition that relative atmospheric pressure is higher can from this compressed air source input blasting media intake line 154.
This compressed air source can the compressed air network of especially manufacturing shop.
Compressed air preferably has the superpressure that relative atmospheric pressure is about 1bar or more, especially about 5bar or more in this case.
Also can arrange as the alternative of this, blasting media source 160 is formed by the surrounding air in the exocoel 162 of vacuum chamber 102.
In this case, the blasting media inputted has atmospheric pressure.
In addition, blasting media source 160 can be generation and/or the storage facilities of steam.
Steam preferably has the temperature be on environment temperature.Reach thus not cool with the workpiece 116 that blasting media loads or workpiece 116 by with utilizing the scavenging of blasting media even to be heated, this facilitate the drying of workpiece 116.
For same object also can be arranged, blast apparatus 146 has (unshowned) device for heat blowing medium, if blasting media is such as formed by surrounding air or by compressed air.
Blasting media carries out as follows to the input in vacuum chamber 102, that is, in the inner chamber 118 of vacuum chamber 102, do not have dirt particle to be kicked up.Thus avoid workpiece 116 to be dried by the dirt contamination from vacuum chamber 102.
Blasting media is to enter from top and from the side but preferably do not carry out from below in vacuum chamber 102.It also avoid workpiece 116 to be dried thus to be polluted by the dirt particle that may bring workpiece 116 by blasting media.
Air-blast nozzle 148 can (manually or motor type ground) adjust, blasting media beam can be directed in the specific desired site on the surface of workpiece 116 to be dried in the location and orientation of their jet expansion opening.
Particularly advantageously, air-blast nozzle 148 can adjust like this, thus the blasting media beam produced by air-blast nozzle is directed in space on workpiece 116, the boring of such as deeply putting, because define may by fully dry limit position by means of only vacuum drying in these spaces.
Vacuum chamber 102 is configured to, and its inwall 164 is distributed near the outline of workpiece 116 to be dried as far as possible, thus makes to retain as far as possible few gap between the surface and the inwall 164 of vacuum chamber 102 of workpiece 116 to be dried.Achieve in this way and outside workpiece 116, remain only little dead band by vacuum chamber 102 rapid vacuumizing and in the inner chamber 118 of vacuum chamber 102, can build up of dirt particle in this dead band.
The volume that the whole volume that can vacuumize of the free volume of the inner chamber 118 of vacuum chamber 102, that is inner chamber 118 is preferably occupied by workpiece to be dried the highest by about 200%, preferably the highest by about 150% (in the case it should be noted that, under this restriction of the free volume of the inner chamber 118 of vacuum chamber 102, the volume occupied by workpiece 116 to be dried in equipment 100 runs defines a part for this free volume).
In addition, the inner chamber of vacuum chamber 102 is implemented as, and makes not have dirt to gather and does not have drop, especially condensate to fall on workpiece 116.
This vacuum chamber 102 in fig. 1 and 2 shown in form of implementation in realize particularly by such as under type, namely, vertically constructing in bending mode in the part being in layout above the workpiece 116 in work location of the inwall 164 of vacuum chamber 102, especially inwall 164.
In order to prevent dirt in inner chamber 118 inner accumulated of vacuum chamber 102, equipment 100 comprises cleaning equipment 166 in addition, and the inner chamber 118 of vacuum chamber 102 can clean by this cleaning equipment.
Cleaning equipment 166 especially can comprise one or more flooding nozzle or cleaning nozzle 168, can be given in inner chamber 118 in the inner chamber 118 that they are arranged in vacuum chamber 102 by their preferably liquid cleaning agents.
At least one in cleaning nozzle 168 can especially be constructed to be permeable to rotate, and therefore loads the region large as far as possible of the inner chamber 118 of vacuum chamber 102 with cleaning agent by this cleaning nozzle 168.
The rotational motion of relevant cleaning nozzle 168 preferably can drive by motor type.
Cleaning nozzle 168 is connected with cleaning agent tank 172 by cleaning agent intake line 170.
Disabling mechanism 174 is furnished with in cleaning agent intake line 170.
In order to cleaning agent and/or the condensate dropped in the inner chamber 118 of vacuum chamber 102 being discharged from inner chamber 118, vacuum chamber 102 is provided with liquid outlet 176 in addition.
Liquid outlet 176 preferably passes into this inner chamber 118 on the darkest position of the inner chamber 118 of vacuum chamber 102.
In addition, liquid outlet 176 is provided with disabling mechanism 178.
The aforementioned equipment 100 for dry workpiece after the cleaning process operates as follows:
Workpiece 116 to be connected in the cleaning equipment before equipment 100 preferably cleaned after process.
Workpiece 116 is preferably metal works.
Workpiece especially can be motor component, such as motor cylinder or cylinder head.
Workpiece 116 can especially have space or part is dug in other drawing, and wherein, clean liquid may gather.
Workpiece 116 is directly inserted vacuum chamber 102 after the cleaning process.Workpiece 116 did not especially experience scavenging process before being placed into vacuum chamber 102.Therefore the equipment 100 illustrated herein and perform with this equipment drying means when eliminate otherwise the very common pre-drying process in blast area, to avoid polluting again by this dry run.
Can define shuttle system in the workpiece accommodation section 112 of loading motion between location and work location, vacuum chamber 102 can load by this shuttle system workpiece 116 and workpiece 116 can unload from vacuum chamber 102 again by this shuttle system.
Therefore can cancel for the roller-way with workpiece 116 loading and unloading vacuum chamber 102 to be dried.This brings such advantage, that is, can use very little vacuum chamber 102 and can not be formed in the dirt that often there will be when using roller-way to assemble.
Workpiece accommodation section 112 is taken in FIG with in the loading location shown in solid line, and in this loading location, workpiece 116 to be dried to be set on workpiece accommodation section 112 and to be locked on workpiece accommodation section 112 by locking equipment 114.
And then workpiece accommodation section 112 is from loading setting movement to work shown in broken lines in FIG location, and wherein, the inlet opens 108 of vacuum chamber 102 is closed by lid 110 simultaneously airtightly.
The inner chamber 118 of vacuum chamber 102 is evacuated to the final pressure in about 30mbar or less scope, preferably in 5mbar or less scope by vacuum generator 138.
Workpiece 116 there is no dried limit position by means of only vacuum drying, the boring of deeply putting such as on workpiece 116 loaded by the very short blasting media pulse of air-blast nozzle 148 (having such as 1.0 seconds or less, preferably about 0.5 second or less duration) by blast apparatus 146.
The pressure of blasting media can corresponding to atmospheric pressure, or be on atmospheric pressure, preferably greater than atmospheric pressure at least about 1bar, especially at least about 5bar at this in the compressed-air actuated situation of use.
By loading workpiece 116 with blasting media pulse, the clean liquid be attached on workpiece 116, such as water are distributed in large area on the surface of the workpiece.The heat energy be stored in workpiece 116 supports ensuing process of vacuum drying.
In order to perform process of vacuum drying, the pressure in vacuum chamber 102 is maintained at aforementioned very low final pressure during the predetermined time period.
Also workpiece 116 can be loaded with blasting media pulse during process of vacuum drying.
After process of vacuum drying, vacuum chamber 102 is ventilated.
For this reason, the air-blast nozzle 148 be directed on workpiece 116 is supplied the blasting media being directed through fine filter 158.
Blasting media for ventilating can be the same medium just used when dry run starts to produce blasting media pulse, can be maybe blasting media different with it.
Especially can in order to ventilate and environment for use air or the preferred compressed air from compressed air network to the inner chamber 118 of vacuum chamber 102.
When ventilating to the inner chamber 118 of vacuum chamber 102 by air-blast nozzle 148, the blasting media inputted expands when entering vacuum chamber 102, thus, blasting media is cooled and itself cools workpiece 116, and blasting media beam is directed on workpiece when the ventilation of vacuum chamber 102.
By the workpiece 116 when vacuum chamber ventilates vacuum chamber 102 inside this cooling, reduce the difference of workpiece temperature and room temperature, thus make it possible to shorten or fully phase out workpiece 116 within vacuum chamber 102 or outside back to back cooling procedure.
By all occurring in the scavenging of the workpiece 116 in the inner chamber 118 of vacuum chamber 102, the combination of cooling of the vacuum drying of workpiece 116 and workpiece 116 achieves the significantly shortening of dry run.Dry run is by very energy-conservation and contamination-freely perform.
In addition, the vavuum pump 140 with smaller power can be used in by equipment 100 of the present invention.
At the equipment 100 for dry workpiece 116 after the cleaning process in the flexible program of the foregoing embodiments shown in Fig. 1 and Fig. 2, this equipment 100 is provided with (unshowned) in addition for rotating or overturn the equipment of vacuum chamber 102, vacuum chamber 102 can utilize this equipment from shown in Fig. 1 and Fig. 2, the final position of longitudinal direction 132 that the original position of the longitudinal direction 132 of vacuum chamber 102 essentially horizontally orientation is taken to vacuum chamber 102 orientation vertically substantially.
At this, the transfer of vacuum chamber 102 from original position to final position preferably after workpiece 116 is placed in the inner chamber 118 of vacuum chamber 102 and execution process of vacuum drying before or period carry out.
Before being taken out from the inner chamber 118 of vacuum chamber 102 by workpiece 116, vacuum chamber 102 preferably gets back to original position from final position motion again.
By the vacuum chamber 102 with the workpiece 116 arranged in it from original position to final position with the motion of such as about 90 ° of angles, the drawing in workpiece 116 that be still retained in when be in original position workpiece 116 of workpiece 116 is dug part (especially the space of filling with clean liquid of workpiece 116) and is cleared, thus the clean liquid accumulated in these parts is removed from workpiece 116.
In addition, for this flexible program of the equipment 100 of dry workpiece 116 after the cleaning process in structure with working method with in fig. 1 and 2 shown in form of implementation consistent, on this point with reference to the aforementioned explanation of form of implementation shown in fig. 1 and 2.
The second form of implementation for the equipment 100 of dry workpiece 116 after the cleaning process illustrated in figs. 3 and 4 is with the difference of the first form of implementation illustrated in fig. 1 and 2, the longitudinal direction 132 of vacuum chamber 102, and then especially also have the longitudinal central axis line 136 of vacuum chamber 102 not to be essentially horizontally orientation, but be arranged essentially parallel to vertical curve 180 ground orientation.
When be still retained in after the cleaning process the clean liquid in workpiece 116 when workpiece 116 erect arrange, that is can be more convenient when be vertically oriented longitudinal direction 182 of workpiece 116 flow out from workpiece 116 time, this form of implementation of equipment 100 is especially worth recommending.
When all other, the first shown in fig. 1 and 2 form of implementation of equipment 100 is all preferred, in this form of implementation, the longitudinal direction 132 of vacuum chamber 102 is essentially horizontally orientation during loading vacuum chamber 102 with workpiece 116 at least, because under this arrangement, the operation of workpiece 116 and the locking of this workpiece on workpiece accommodation section 112 more simple.
In addition, the second form of implementation shown in figs. 3 and 4 of equipment 100 and the difference of the first form of implementation are, liquid outlet 176 is not be arranged on the peripheral wall of matrix 104 of vacuum chamber 102 in the second form of implementation, but instead passes in the inner chamber 118 of vacuum chamber 102 on the tip of the closed section 106 of vacuum chamber 102.Thus achieve in the second form of implementation, liquid also can be discharged from vacuum chamber 102 from the darkest position of vacuum chamber 102 by liquid outlet 176.
The peripheral wall of the matrix 102 of vacuum-pumping pipeline 142 in contrast preferably by vacuum chamber 102 in the second form of implementation passes in the inner chamber 118 of vacuum chamber 102.
By the medial surface of lid 110 is configured to bow, the part be vertically arranged on the workpiece 116 that is in work location achieving the inwall 164 of vacuum chamber 102, especially inwall 164 constructs in bending mode, thus makes can not have fluid accumulation there and fall on workpiece 116.
In addition, for dry workpiece 116 after the cleaning process equipment 100 in figs. 3 and 4 shown in the second form of implementation the first form of implementation with shown in fig. 1 and 2 in structure with working method consistent, on this point can with reference to the aforementioned explanation of the first form of implementation.
Especially can arrange equally in the flexible program of the second form of implementation, there is equipment for rotating or overturn vacuum chamber 102, vacuum chamber 102 by this equipment can from shown in figs. 3 and 4, the final position of the longitudinal direction 132 of vacuum chamber 102 original position of the orientation longitudinal direction 132 essentially horizontally orientation that brings to vacuum chamber 102 vertically substantially.Drawing of workpiece 116 can be dug part and emptied rotating such as about 90 ° of periods thus, this is drawn and digs part also keep cleaned liquid filling when be in original position workpiece 116.
Claims (14)
1. for the equipment of dry workpiece (116) after the cleaning process, described equipment comprises the vacuum chamber (102) for vacuum drying workpiece to be dried (116), wherein, described equipment (100) is included at least one air-blast nozzle (148) passed in described vacuum chamber (102), described workpiece to be dried (116) can load by least one air-blast nozzle blasting media described, wherein, described equipment (100) is also included at least one cleaning nozzle (168) passed in described vacuum chamber (102) except described at least one air-blast nozzle (148), cleaning agent can be given in the inner chamber of described vacuum chamber (102) by described cleaning nozzle, it is characterized in that, described equipment (100) comprises the device for generation of blasting media pulse, described blasting media pulse has 1.0 seconds or less duration.
2., by equipment according to claim 1, it is characterized in that, described vacuum chamber (102) ventilates by least one air-blast nozzle (148).
3. by the equipment described in claim 1 or 2, it is characterized in that, described equipment (100) comprises at least one fine filter (158), and blasting media inputs at least one air-blast nozzle (148) by described fine filter.
4., by the equipment described in claim 1 or 2, it is characterized in that, described vacuum chamber (102) comprises at least one liquid outlet (176).
5., by the equipment described in claim 1 or 2, it is characterized in that, the free volume of described vacuum chamber (102) is the highest by 200% of the volume occupied by described workpiece to be dried (116).
6. by the equipment described in claim 1 or 2, it is characterized in that, at least one of the inwall (164) of described vacuum chamber (102) is vertically arranged in part relative level line (134) inclination of workpiece described to be dried (116) top be in the inner work location of described vacuum chamber (102) and/or constructs deviously.
7. by the equipment described in claim 1 or 2, it is characterized in that, described equipment (100) comprises workpiece accommodation section (112), and described workpiece accommodation section can motion between the work location of described vacuum chamber (102) inside and described workpiece accommodation section (112) loading be arranged at least partly outside described vacuum chamber (102) are located.
8. by equipment according to claim 7, it is characterized in that, described equipment (100) comprises lid (110), and described lid can move and close the inlet opens (108) of described vacuum chamber (102) when described workpiece accommodation section (112) is in its work location together with described workpiece accommodation section (112).
9. by the equipment described in claim 1 or 2, it is characterized in that, described vacuum chamber (102) has following longitudinal direction (132), and described longitudinal direction is placed to described vacuum chamber (102) essentially horizontally orientation of middle period described workpiece to be dried (116).
10. by the equipment described in claim 1 or 2, it is characterized in that, described vacuum chamber (102) has following longitudinal direction (132), and described longitudinal direction to be placed in described vacuum chamber (102) period orientation vertically substantially described workpiece to be dried (116).
11. by the equipment described in claim 1 or 2, it is characterized in that, described vacuum chamber (102) has following longitudinal direction (132), and being oriented in during described workpiece to be dried (116) is arranged in described vacuum chamber (102) inside of described longitudinal direction can change.
12. by the equipment described in claim 1 or 2, it is characterized in that, described vacuum chamber (102) has following longitudinal direction (132), and being oriented in during described workpiece to be dried (116) is arranged in described vacuum chamber (102) inside of described longitudinal direction can rotate and/or can overturn.
13., for the method for dry workpiece (116) after the cleaning process, comprise following method steps:
-workpiece to be dried (116) is inserted vacuum chamber (102);
-loading described workpiece to be dried in described vacuum chamber (102) inside by least one air-blast nozzle (148) blasting media pulse, described blasting media pulse has 1.0 seconds or less duration;
-described vacuum chamber (102) is vacuumized the vacuum drying performing described workpiece to be dried (116);
-ventilate to described vacuum chamber (102);
-dried workpiece (116) is taken out from described vacuum chamber (102);
Wherein, cleaning agent is passed through at least one cleaning nozzle (168) that pass in described vacuum chamber (102), that arrange except described at least one air-blast nozzle (148) to be given in the inner chamber of described vacuum chamber (102).
14. by method according to claim 13, it is characterized in that, the ventilation of described vacuum chamber (102) ventilating gas be under pressure that relative atmospheric pressure improves carries out.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201010038799 DE102010038799A1 (en) | 2010-08-02 | 2010-08-02 | Device for drying workpieces after a cleaning process |
| DE102010038799.1 | 2010-08-02 | ||
| PCT/EP2011/062770 WO2012016878A1 (en) | 2010-08-02 | 2011-07-25 | Device for drying workpieces after a cleaning operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103052857A CN103052857A (en) | 2013-04-17 |
| CN103052857B true CN103052857B (en) | 2015-04-15 |
Family
ID=44629364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180038363.9A Active CN103052857B (en) | 2010-08-02 | 2011-07-25 | Device for drying workpieces after a cleaning operation |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2601465B1 (en) |
| CN (1) | CN103052857B (en) |
| DE (1) | DE102010038799A1 (en) |
| WO (1) | WO2012016878A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014213172A1 (en) * | 2014-07-07 | 2016-01-07 | Dürr Ecoclean GmbH | Plant for drying workpieces |
| CN104482725B (en) * | 2014-12-15 | 2016-05-25 | 上海明兴开城超音波科技有限公司 | A kind of low pressure seasoning of cleaning components and its device |
| MY193326A (en) * | 2017-08-30 | 2022-10-05 | Top Glove Int Sdn Bhd | Diffuser system for moisture content removal in glove manufacturing process |
| CN110762955A (en) * | 2019-10-29 | 2020-02-07 | 青岛杰瑞工控技术有限公司 | High-pressure air drying device of train brake valve |
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| CN1375677A (en) * | 2002-04-09 | 2002-10-23 | 王淑英 | Low-temperature negative-pressure green material stoving apparatus and method |
| DE10144225C1 (en) * | 2001-09-08 | 2003-02-06 | Eppendorf Ag | Process for drying filters in cavities of micro-titration plate involves using device with nozzles and unit for producing air stream through nozzles |
| CN101109598A (en) * | 2007-07-12 | 2008-01-23 | 德尔福（上海）动力推进***有限公司 | Drying method and device for parts with deep blind hole after cleaning |
| CN101314158A (en) * | 2007-05-28 | 2008-12-03 | 爱斯佩克株式会社 | Washing drying apparatus |
| DE102008019456A1 (en) * | 2008-04-18 | 2009-11-05 | Dürr Ecoclean GmbH | Cleaning device and method for cleaning a workpiece |
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| IT1071276B (en) * | 1976-05-12 | 1985-04-02 | Pagnozzi Ernesto Guglielmo | IMPROVEMENTS IN THE PROCESSES AND IN THE TIMBER DRYING SYSTEMS .. PARTICULARLY IN THE SYSTEMS THAT USE VACUUM |
| WO1985002789A1 (en) | 1983-12-21 | 1985-07-04 | Gerhard Gergely | Process and plant for the heat treatment of powder or granular material |
| CH667324A5 (en) | 1986-05-13 | 1988-09-30 | Josef Wild & Co Maschinenfabri | METHOD FOR DRYING WOOD AND WOOD DRYING DEVICE. |
| ATA253591A (en) * | 1991-12-20 | 1996-08-15 | Ruebig Ges M B H & Co Kg | METHOD FOR CLEANING WORKPIECES |
| DE4237335A1 (en) * | 1992-10-21 | 1994-04-28 | Duerr Gmbh & Co | Drying of aqueous washed machined engineering components - by a combined air jet and vacuum treatment. |
| DE4328199C1 (en) * | 1993-08-21 | 1994-10-13 | Duerr Gmbh & Co | Method and apparatus for drying a workpiece cleaned with a cleaning liquid after machining |
| US5937536A (en) | 1997-10-06 | 1999-08-17 | Pharmacopeia, Inc. | Rapid drying oven for providing rapid drying of multiple samples |
| DE19853304C2 (en) * | 1998-01-09 | 2001-02-01 | Cae Beyss Gmbh | Process for drying a workpiece |
| EP1832353A3 (en) | 2006-03-08 | 2009-05-06 | St Microelectronics S.A. | Photolithography mask cleaning |
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2010
- 2010-08-02 DE DE201010038799 patent/DE102010038799A1/en not_active Withdrawn
-
2011
- 2011-07-25 WO PCT/EP2011/062770 patent/WO2012016878A1/en active Application Filing
- 2011-07-25 EP EP11738434.7A patent/EP2601465B1/en active Active
- 2011-07-25 CN CN201180038363.9A patent/CN103052857B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10144225C1 (en) * | 2001-09-08 | 2003-02-06 | Eppendorf Ag | Process for drying filters in cavities of micro-titration plate involves using device with nozzles and unit for producing air stream through nozzles |
| CN1375677A (en) * | 2002-04-09 | 2002-10-23 | 王淑英 | Low-temperature negative-pressure green material stoving apparatus and method |
| CN101314158A (en) * | 2007-05-28 | 2008-12-03 | 爱斯佩克株式会社 | Washing drying apparatus |
| CN101109598A (en) * | 2007-07-12 | 2008-01-23 | 德尔福（上海）动力推进***有限公司 | Drying method and device for parts with deep blind hole after cleaning |
| DE102008019456A1 (en) * | 2008-04-18 | 2009-11-05 | Dürr Ecoclean GmbH | Cleaning device and method for cleaning a workpiece |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102010038799A1 (en) | 2012-02-02 |
| CN103052857A (en) | 2013-04-17 |
| EP2601465B1 (en) | 2016-08-31 |
| EP2601465A1 (en) | 2013-06-12 |
| WO2012016878A1 (en) | 2012-02-09 |
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Address after: Filderstadt Patentee after: Ecclestone Colin Co. Ltd. Address before: Filderstadt Patentee before: Duerr Ecoclean GmbH |