CN106352685A - PCB drying machine - Google Patents
PCB drying machine Download PDFInfo
- Publication number
- CN106352685A CN106352685A CN201610707339.4A CN201610707339A CN106352685A CN 106352685 A CN106352685 A CN 106352685A CN 201610707339 A CN201610707339 A CN 201610707339A CN 106352685 A CN106352685 A CN 106352685A
- Authority
- CN
- China
- Prior art keywords
- air knife
- plate
- upper air
- flow
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/122—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of material being carried by transversely moving rollers or rods which may rotate
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/003—Handling, e.g. loading or unloading arrangements for articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a PCB drying machine which comprises a conveying roll assembly for conveying boards, and an air knife assembly arranged on the two sides of the boards conveyed by the conveying roll assembly and used for blowing away accumulated water on the boards. The air knife assembly comprises a first upper air knife, a second upper air knife and a first lower air knife, the first upper air knife and the second upper air knife are sequentially arranged above the conveying roll assembly in the board conveying direction of the conveying roll assembly, the first lower air knife corresponds to the second upper air knife and is arranged below the conveying roll assembly, the included angle between the airflow blow-out direction of the first lower air knife and the board conveying direction is not lager than 10 degrees, and therefore a negative pressure zone is formed in the included angle area of airflow and the boards. Negative pressure is formed based on the jetting type vacuum generation principle to suck water columns in small holes, the water columns in the small holes can be effectively blown and sucked to be removed, and water removal drying efficiency is high. The PCB drying machine can meet the drying needs of the high-multi-layer large-thickness-to-diameter-ratio boards, air pressure increasing, temperature rise and drying time prolonging are not needed, and a large amount of energy can be saved.
Description
Technical field
The present invention relates to a kind of pcb apparatus for production line, more particularly, to a kind of pcb drying machine.
Background technology
Multilayer printed circuit board (pcb) procedure for producing, has ten multiple tracks wet process processing technique links, in order to ensure that plate exists
Not oxidized in flow process between different processing links, the end of all wet process production lines is both needed to install a drying section,
Surface and the drying of in the hole moisture content are carried out to the plate of wet process.
The raising requiring with pcb plate structure and the development of Manufacturing Techniques, the thickness number of plies of high multilamellar pcb plate
It is being continuously increased, on plate, the diameter of fabrication hole is less and less, sheet material requires also increasingly to the processing environment in processing procedure
Height, therefore, absorption is more difficult to be blown in the water column of little in the hole.Prior art is typically passed through to increase blast, is risen high-temperature, prolongs
The method of long drying time allows moisture content slowly to evaporate, but the plate that this method can lead to deforms and power consumption.
It is cn201149415y in Chinese patent Authorization Notice No., apply in the patent documentation of entitled " tunnel drier "
Disclose a kind of tunnel drier, including frame and conveyer belt, along conveyer belt set gradually up and down to the multipair air knife blowing,
Multiple by upper lower air knife completes drying to blowing, and is applied to dry after the high temperature bath of the liquid based article of plastic bag packaging
Dry, particularly pharmaceutical field.Because the position of lower air knife thereon is all vertical with the direction of transfer of conveyer belt, for little in the hole
Water column, particularly forms the little in the hole water column of sealing structure, not good effect.
Content of the invention
The technical problem to be solved is, provides a kind of pcb drying machine, efficiently to remove in plate face
The water column of little in the hole.
In order to solve above-mentioned technical problem, the present invention proposes a kind of pcb drying machine, including the transmission for transmitting plate
Roll assembly is used for blowing away the air knife component of the hydrops on plate, institute with the both sides being arranged at the plate that transfer roller assembly is transmitted
State air knife component to include being set in turn in the first upper air knife above transfer roller assembly along the plate direction of transfer of transfer roller assembly
It is arranged at the first lower air knife below transfer roller assembly, described first leeward with the second upper air knife and corresponding to the second upper air knife
Angle between the air-flow blow-off direction of knife and plate direction of transfer is not more than 10 degree thus angle region in air-flow and plate
Interior formation negative pressure band.
Further, the air-flow blow-off direction of described second upper air knife is vertical with plate direction of transfer, and on described second
Application point on plate for the air-flow of air knife blowout is just to negative pressure band.
Further, the air-flow of described second upper air knife blowout is located at, in the application point of plate, the gas that the first lower air knife blows out
Stream is offset at 1 centimetre of position along plate direction of transfer with plate intersection.
Further, described air knife component also includes being arranged at the of the downstream of the second upper air knife along plate direction of transfer
Three upper air knifes and be arranged at the second lower air knife below transfer roller assembly corresponding to the 3rd upper air knife.
Further, the angle between the air-flow blow-off direction of described second lower air knife and plate direction of transfer is not more than 10
Degree is thus form negative pressure band, the airflow direction of described 3rd upper air knife blowout and plate direction of transfer in air-flow with plate intersection
Vertically, and the application point on plate for the air-flow of described 3rd upper air knife blowout just to the air-flow of the second lower air knife blowout in plate
The negative pressure band that intersection is formed.
Further, the air-flow of described 3rd upper air knife blowout is located at, in the application point of plate, the gas that the second lower air knife blows out
Stream is offset at 1 centimetre of position along plate direction of transfer with plate intersection.
Further, described first upper air knife, the 3rd upper air knife and the second lower air knife are hot blast air knife.
Further, the air-flow blow-off direction of described first upper air knife and plate direction of transfer are in 45 degree of angles.
Further, the air outlet of each air knife of described air knife component and the vertical dimension of plate being transmitted no more than
1 centimetre.
Further, described transfer roller assembly includes support and the multipair transfer roller being arranged on support, described transmission
The transfer roller that roll assembly is located at plate feeding end is the suction roll that can absorb water.
The beneficial effect of the embodiment of the present invention is: the present invention is according to injecting type vacuum occurring principle, oblique by the first lower air knife
Blow out high velocity air to ground to plate, thus the intersection in oblique high velocity air and plate forms negative pressure band, then coordinate first
The high velocity air of the second upper air knife blowout above lower air knife, " just blowing+following back suction+in the hole water column gravity of itself above "
Under triple role, effectively can remove the water column of little in the hole on plate by pressure-vaccum, eliminating water drying efficiency is high.And the 3rd upper air knife is set
Water rem oval can be lifted with the second lower air knife further.The present invention can meet in the procedure for producing of high multilamellar high thickness to diameter ratio plate
It is dried and needs, without by increasing blast, rising high-temperature, extend drying time, the substantial amounts of energy can be saved.
Brief description
Fig. 1 is the structural representation of pcb drying machine of the present invention.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Mutually combine, with specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
With reference to shown in Fig. 1, the present invention provides a kind of pcb drying machine, including transfer roller assembly 2 He for transmitting plate 1
The both sides being arranged at the plate 1 that transfer roller assembly 2 is transmitted are used for blowing away the air knife component 3 of the hydrops on plate 1.
Described transfer roller assembly 2 includes support 20 and the multipair transfer roller 22 being arranged on support 20.For improving eliminating water
Drying property, described transfer roller assembly 2 also includes the suction roll 23 that can absorb water, and this suction roll 23 is located at plate and sends at end, uses
In the hydrops tentatively blowing away plate 1 surface.
Described air knife component 3 includes being set in turn in above transfer roller assembly 2 along the plate direction of transfer of transfer roller assembly 2
The first upper air knife 30 and the second upper air knife 32 and be arranged at the first of transfer roller assembly 2 lower section corresponding to the second upper air knife 32
Lower air knife 34.Preferably, the air-flow blow-off direction of described first upper air knife 30 and plate direction of transfer are in 45 degree of angles, can be basic
Blow away the moisture in plate 1 plate face, remove water process further in order to follow-up.Described first upper air knife 30 can adopt hot blast
Knife, thus can also fall moisture evaporation while blowing；Additionally, also can around the first upper air knife 30 setting desiccant,
To adsorb the moisture being blown away, in order to avoid the globule being blown away drops on plate 1 again.
Angle between the air-flow blow-off direction of described first lower air knife 34 and plate direction of transfer be not more than 10 degree thus
Form negative pressure band 4 in the angle region of air-flow and plate 1, thus good suction is played to the water column 5 of the little in the hole on plate 1
Effect, can absorb the water column 5 of little in the hole well.Preferably, the air-flow blow-off direction of described second upper air knife 32 and plate pass
Send direction vertical, and application point on plate 1 for the air-flow of described second upper air knife 32 blowout be just to negative pressure band 4, be conducive to by
The water column 5 of the little in the hole on plate 1 blows out.In one embodiment, the air-flow of the second upper air knife 32 blowout is in the effect of plate 1
Point is located at the air-flow of the first lower air knife 34 blowout and plate 1 intersection offsets about 1 centimetre along plate direction of transfer towards downstream side
At position, this region is negative pressure region the strongest, thus best suction effect can be ensured.
By blowing above, aspirate below, and combine water column 5 gravity of itself, such that it is able to remove little in the hole well
Water column 5, for the aperture not having water column 5, by way of above blowing down suction, also can be conducive to air-flow quickly through aperture, favorably
In stablizing of plate 1.
Walk the moisture on plate for further pressure-vaccum, described air knife component 3 also includes being arranged at along plate direction of transfer
3rd upper air knife 36 in the downstream of the second upper air knife 32 and being arranged at below transfer roller assembly 2 corresponding to the 3rd upper air knife 36
The second lower air knife 38.In the embodiment shown in the drawings, described second lower air knife 38 and the identical setting of the first lower air knife 34,
That is: the angle between the air-flow blow-off direction of the second lower air knife 38 and plate direction of transfer is not more than 10 degree thus in air-flow and plate
The angle region of part 1 also forms negative pressure band 6；And the identical setting of described 3rd upper air knife 36 also with the second upper air knife 32 is it may be assumed that air-flow
Blow-off direction is vertical with plate direction of transfer, and application point on plate 1 for the air-flow of described 3rd upper air knife 36 blowout is just right
The negative pressure band 6 that the air-flow of the second lower air knife 38 blowout is formed with the angle region of plate 1, thus carry out pressure-vaccum again to plate 1
Formula except water process.
For reaching preferable pressure-vaccum effect, the air outlet of each air knife of described air knife component 3 is hung down with the plate 1 being transmitted
Straight distance all should be not more than 1 centimetre.
The specific work process of the present invention energy-saving suction drying machine is as follows: the first step, plate 1 is by transfer roller assembly 2
Send into end input, first preliminary water suction is carried out by suction roll 23 plate 1, remove most of open fire on plate 1 surface.
Second step, plate 1 is sent to the lower section of the first upper air knife 30, is blown away remaining in plate face by the first upper air knife 30
Open fire.
3rd step, plate 1 continues to be sent to the lower section of the second upper air knife 32, now, by the second upper air knife 32 and first
Lower air knife 34 mating reaction, and the mode blowing down suction above efficiently removes the water column 5 of little in the hole on plate 1.
4th step, plate 1 is further continued for being sent to the lower section of the 3rd upper air knife 36, now, by the 3rd upper air knife 36 and
Two lower air knife 38 mating reaction, the mode blowing down suction again above efficiently removes the water column 5 of little in the hole on plate 1.
It will of course be understood that ground is, after being processed by the cooperation of the second upper air knife 32 and the first lower air knife 34, can
Enough pressure-vaccums well are walked it is also possible to no longer arrange the 3rd upper air knife and the second lower air knife during the water column 5 of little in the hole on plate 1, or
Person is used as described 3rd upper air knife and described second lower air knife using hot blast air knife, is carried out at drying by blowing out hot blast
Reason.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and can carry out multiple changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention limits by claims and its equivalency range.
Claims (10)
1. a kind of pcb drying machine, including for transmitting the transfer roller assembly of plate and being arranged at the plate that transfer roller assembly is transmitted
The both sides of part are used for blowing away the air knife component of the hydrops on plate it is characterised in that described air knife component is included along transfer roller groups
The plate direction of transfer of part is set in turn in the first upper air knife above transfer roller assembly and the second upper air knife and corresponding to the
Two upper air knifes are arranged at the first lower air knife below transfer roller assembly, and the air-flow blow-off direction of described first lower air knife is passed with plate
The angle between direction is sent to be not more than 10 degree thus forming negative pressure band in the angle region with plate for the air-flow.
2. pcb drying machine as claimed in claim 1 is it is characterised in that the air-flow blow-off direction of described second upper air knife and plate
Part direction of transfer is vertical, and application point on plate for the air-flow of described second upper air knife blowout is just to negative pressure band.
3. pcb drying machine as claimed in claim 2 is it is characterised in that the air-flow of described second upper air knife blowout is in plate
The air-flow that application point is located at the first lower air knife blowout is offset at 1 centimetre of position along plate direction of transfer with plate intersection.
4. pcb drying machine as claimed in claim 3 is it is characterised in that described air knife component is also included along plate direction of transfer
It is arranged at the 3rd upper air knife in the downstream of the second upper air knife and be arranged at below transfer roller assembly corresponding to the 3rd upper air knife
The second lower air knife.
5. pcb drying machine as claimed in claim 3 is it is characterised in that the air-flow blow-off direction of described second lower air knife and plate
Angle between part direction of transfer is not more than 10 degree thus forming negative pressure band, described 3rd upper air knife in air-flow with plate intersection
The airflow direction of blowout is vertical with plate direction of transfer, and application point on plate for the air-flow of described 3rd upper air knife blowout is just
The negative pressure band that the air-flow of the second lower air knife blowout is formed in plate intersection.
6. pcb drying machine as claimed in claim 5 is it is characterised in that the air-flow of described 3rd upper air knife blowout is in plate
The air-flow that application point is located at the second lower air knife blowout is offset at 1 centimetre of position along plate direction of transfer with plate intersection.
7. pcb drying machine as claimed in claim 4 is it is characterised in that under described first upper air knife, the 3rd upper air knife and second
Air knife is hot blast air knife.
8. pcb drying machine as claimed in claim 1 is it is characterised in that the air-flow blow-off direction of described first upper air knife and plate
Part direction of transfer is in 45 degree of angles.
9. the pcb drying machine as described in claim 1 or 4 it is characterised in that the air outlet of each air knife of described air knife component with
The vertical dimension of the plate being transmitted is no more than 1 centimetre.
10. pcb drying machine as claimed in claim 1 is it is characterised in that described transfer roller assembly includes support and multipair sets
It is placed in the transfer roller on support, the transfer roller that described transfer roller assembly is located at plate feeding end is the suction roll that can absorb water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610707339.4A CN106352685A (en) | 2016-08-23 | 2016-08-23 | PCB drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610707339.4A CN106352685A (en) | 2016-08-23 | 2016-08-23 | PCB drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106352685A true CN106352685A (en) | 2017-01-25 |
Family
ID=57843952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610707339.4A Pending CN106352685A (en) | 2016-08-23 | 2016-08-23 | PCB drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106352685A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726077A (en) * | 2017-09-30 | 2018-02-23 | 潘明安 | A kind of process equipment of Surface-mount LED lamp |
| CN107726080A (en) * | 2017-09-30 | 2018-02-23 | 潘明安 | A kind of LED manufacture system |
| CN110948730A (en) * | 2019-11-06 | 2020-04-03 | 张家港市兰航机械有限公司 | Blowing device of extruder |
| CN111141128A (en) * | 2019-12-28 | 2020-05-12 | 天长市正牧铝业科技有限公司 | Drying equipment is used in processing of interception formula baseball pole |
| CN112833649A (en) * | 2020-12-31 | 2021-05-25 | 新疆多维格诺建筑科技有限公司 | Drying device is used in production of rock wool heated board |
| CN113465347A (en) * | 2021-07-13 | 2021-10-01 | 江西师范大学 | Air shower type rapid drying device for food vacuum packaging |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201104081Y (en) * | 2007-09-30 | 2008-08-20 | 扬博科技股份有限公司 | Circuit board drying mechanism |
| US20080244925A1 (en) * | 2007-04-04 | 2008-10-09 | Samsung Electronics Co., Ltd. | Air knife and substrate drying apparatus having the same |
| CN201149415Y (en) * | 2007-11-20 | 2008-11-12 | 山东新华医疗器械股份有限公司 | Tunnel type drier |
| CN103851887A (en) * | 2012-12-07 | 2014-06-11 | 深南电路有限公司 | PCB (printed circuit board) drying machine |
-
2016
- 2016-08-23 CN CN201610707339.4A patent/CN106352685A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080244925A1 (en) * | 2007-04-04 | 2008-10-09 | Samsung Electronics Co., Ltd. | Air knife and substrate drying apparatus having the same |
| CN201104081Y (en) * | 2007-09-30 | 2008-08-20 | 扬博科技股份有限公司 | Circuit board drying mechanism |
| CN201149415Y (en) * | 2007-11-20 | 2008-11-12 | 山东新华医疗器械股份有限公司 | Tunnel type drier |
| CN103851887A (en) * | 2012-12-07 | 2014-06-11 | 深南电路有限公司 | PCB (printed circuit board) drying machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726077A (en) * | 2017-09-30 | 2018-02-23 | 潘明安 | A kind of process equipment of Surface-mount LED lamp |
| CN107726080A (en) * | 2017-09-30 | 2018-02-23 | 潘明安 | A kind of LED manufacture system |
| CN110948730A (en) * | 2019-11-06 | 2020-04-03 | 张家港市兰航机械有限公司 | Blowing device of extruder |
| CN111141128A (en) * | 2019-12-28 | 2020-05-12 | 天长市正牧铝业科技有限公司 | Drying equipment is used in processing of interception formula baseball pole |
| CN111141128B (en) * | 2019-12-28 | 2021-06-08 | 天长市正牧铝业科技有限公司 | Drying equipment is used in processing of interception formula baseball pole |
| CN112833649A (en) * | 2020-12-31 | 2021-05-25 | 新疆多维格诺建筑科技有限公司 | Drying device is used in production of rock wool heated board |
| CN113465347A (en) * | 2021-07-13 | 2021-10-01 | 江西师范大学 | Air shower type rapid drying device for food vacuum packaging |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170125 |
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| WD01 | Invention patent application deemed withdrawn after publication |