CN115070158A - Soldering flux recovery device and recovery method - Google Patents
Soldering flux recovery device and recovery method Download PDFInfo
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- CN115070158A CN115070158A CN202210812740.XA CN202210812740A CN115070158A CN 115070158 A CN115070158 A CN 115070158A CN 202210812740 A CN202210812740 A CN 202210812740A CN 115070158 A CN115070158 A CN 115070158A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention provides a soldering flux recovery device and a recovery method, wherein the soldering flux recovery device comprises a shell assembly, a fan assembly, a tensioning assembly, a cooling assembly, a filtering assembly and a recovery assembly, wherein the fan assembly is in ventilation connection with the shell assembly; the shell assembly comprises a box body, an air inlet and an air outlet, the air inlet is connected with the welding chamber of the welding equipment, and the air outlet is connected with the other position of the welding chamber of the welding equipment; along the flowing direction of soldering flux steam, the filtering component, the cooling component and the recovery component are connected in sequence, and the tensioning component, the cooling component, the filtering component and the recovery component are connected in an airtight mode and arranged in the shell component. The invention can ensure the recovery effect of the recovery device on the soldering flux, and the soldering flux is condensed in the recovery assembly as much as possible, thereby being convenient to clean and maintain.
Description
Technical Field
The invention relates to the technical field of welding equipment, in particular to a soldering flux recovery device and a soldering flux recovery method applied to reflow soldering.
Background
The existing welding equipment such as reflow oven is poor in recovery effect of soldering flux such as rosin, and is generally provided with a soldering flux cooling and recovering device, and the recovery method of the cooling and recovering device in the prior art comprises the following steps: the hot air containing the soldering flux in the reflow soldering is attracted to the soldering flux cooling and recycling device, and the hot air containing the soldering flux is cooled at the cooling and recycling device, the method generally enables the soldering flux to be attached and accumulated on the surface of the cooling and recycling device, when the soldering flux is attached and accumulated on the surface of the cooling and recycling device to a certain degree, the ability of cooling the soldering flux is weakened or even lost, in addition, the method generally cannot ensure that all the soldering flux is cooled and recycled in the cooling device, a part of the soldering flux flows back to the soldering equipment, so that a part of the soldering flux is solidified and remained in a machine hearth, and the soldering effect and the service life of a machine are influenced.
Disclosure of Invention
The invention provides a soldering flux recovery device and a soldering flux recovery method, which are used for solving at least one technical problem of the technical problems that a soldering flux airflow reflux machine and soldering flux are solidified on a cooling device and the like in the prior art, and achieve the effects of being convenient to clean and not influencing the performance of welding equipment.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
according to a first aspect of the application, the invention provides a soldering flux recovery device which is connected with a welding device and comprises a shell assembly, a fan assembly, a tensioning assembly, a cooling assembly, a filtering assembly and a recovery assembly, wherein the fan assembly is in ventilation connection with the shell assembly, and the tensioning assembly, the cooling assembly, the filtering assembly and the recovery assembly are in airtight connection and arranged in the shell assembly.
Furthermore, the whole shell assembly is of a box body structure and comprises a box body, an air inlet, an air outlet and a sealing plate, wherein the air inlet, the air outlet and the sealing plate are arranged on the box body; the air inlet is connected with the welding chamber of the welding equipment and used for sucking soldering flux steam into the soldering flux recovery device, and the air outlet is connected with the other position of the welding chamber of the welding equipment, so that the soldering flux steam circulates between the welding chamber and the soldering flux recovery device.
Further, the fan subassembly includes the fan shell, locates motor and wind wheel in the fan shell, the entry of fan shell with welding equipment's welding cavity links to each other, the export of fan shell with the air inlet links to each other, and is preferred, turbine formula centrifugal fan impeller is chooseed for use to the wind wheel, thereby makes the fan subassembly can produce bigger wind pressure.
Furthermore, along the flowing direction of the soldering flux steam, the filtering component, the cooling component and the recovery component are sequentially connected, the tensioning component is connected with the filtering component, the cooling component or the recovery component, sealing rubber strips are arranged at the connecting positions of the filtering component, the tensioning component, the cooling component and the recovery component and the connecting positions of the tensioning component, the cooling component, the filtering component and the recovery component and the shell component, so that the whole circulation path of the soldering flux steam is in a sealing state, the soldering flux steam cannot leak, and the soldering flux cannot be condensed on the welding equipment.
Furthermore, the tensioning assembly comprises two groups of tensioning frames, a locking handle and a pressure lever, the two groups of tensioning frames can be close to or far away from each other under the driving of the pressure lever, and the two groups of tensioning frame supports are connected through a sealing channel; the compression bar is connected with the locking handle, the compression bar is a plane four-bar mechanism, the locking handle is connected with a connecting rod of the compression bar, and when the locking handle is locked, the tensioning frames are mutually far away, so that pressing force is applied to the filtering assembly, the cooling assembly and the recovery assembly, and the filtering assembly, the cooling assembly and the recovery assembly are tightly and hermetically connected.
Further, the filter assembly comprises a sealing frame and a filter screen arranged on the sealing frame, and the filter screen is used for filtering air and preventing dirt except soldering flux steam from entering the cooling assembly and the recovery assembly.
Further, the cooling assembly comprises a cooling frame, a heat exchanger, a water inlet joint and a water outlet joint, wherein the water inlet joint and the water outlet joint are connected with the heat exchanger, so that a cooling medium flows through the water inlet joint, the heat exchanger and the water outlet joint to take away heat of the soldering flux; preferably, the material of the tubular heat exchanger is copper.
Further, still be equipped with temperature sensor and coolant in the cooling module, temperature sensor is used for monitoring the temperature of scaling powder steam, thereby be used for controlling the rotational speed of fan subassembly reaches coolant's velocity of flow, thereby guarantee the effect of condensing of scaling powder, coolant via water inlet joint, heat exchanger, water outlet joint flow, optionally, coolant's temperature range is 30-85 ℃, in this temperature range, can guarantee cooling module's cooling effect, also can not make the scaling powder condense too much in thereby influence the heat transfer effect on the heat exchanger.
Furthermore, the recovery assembly comprises a recovery frame, an air partition plate arranged on the recovery frame, an air inlet and an air outlet, and scaling powder steam flows in from the air inlet and flows out from the air outlet; retrieve the frame with casing subassembly sealing connection, the air baffle is equipped with the polylith, every the air baffle with retrieve and leave the blow vent between the frame, the polylith the air baffle is in along the crisscross setting of gravity direction in retrieving the frame, thereby make a plurality ofly the blow vent distributes from top to bottom in proper order, when scaling powder steam flows retrieve the subassembly, will follow the air baffle reaches the blow vent turn flows, thereby has increased scaling powder steam stops the time in retrieving the subassembly, and increase scaling powder steam with the area of contact of air baffle, thereby make scaling powder steam condense as far as possible in the collection box.
Optionally, the recovery assembly is provided with a plurality of groups, a one-way plate is arranged at an air inlet of the frontmost recovery assembly along the flowing direction of the soldering flux steam, and the opening direction of the one-way plate faces to the inside of the recovery assembly; and a switch board is arranged at the air outlet of the front recovery assembly and can be opened or closed under the driving of a driving device.
According to a second aspect of the present application, a method of flux reclamation includes the steps of:
and S1, controlling the fan assembly and the cooling medium to flow, so that the flux vapor is sucked into the flux recovery device.
S2, acquiring the temperature in the cooling assembly according to the preset time period T
S3, when the temperature in the cooling assembly is higher than 130 ℃, controlling the fan assembly to reduce the rotating speed and/or increasing the flowing speed of the cooling medium; and when the temperature in the cooling assembly is less than 130 ℃, controlling the fan assembly to increase the rotating speed and/or reducing the flowing speed of the cooling medium flow.
Optionally, when there are multiple sets of the recycling assemblies, the method further includes S4:
the switch board is periodically controlled to be closed and opened, the opening time of the switch board is 2-5S, and the closing time of the switch board is as follows:
Tc＝P*(V/Q)
wherein P represents a preset coefficient, the value range of P is 1.5-1.8, V represents the sum of the volumes of the cooling component and the frontmost recovery component, and Q represents the corresponding air volume under the rated rotating speed of the motor.
The soldering flux recovery device and the recovery method provided by the invention ensure the recovery effect of the recovery device on the soldering flux, and the soldering flux is condensed in the recovery assembly as much as possible, so that the soldering flux is convenient to clean and maintain.
Drawings
FIG. 1 is a schematic view of a flux recycling apparatus according to the present invention.
Fig. 2 is an exploded view of the flux recycling device of the present invention after the sealing plate is removed.
Figure 3 is a schematic view of the tension assembly of the present invention.
Fig. 4 is a schematic view of a cooling assembly of the present invention.
FIG. 5 is a schematic view of a recovery assembly of the present invention.
FIG. 6 is a flowchart of a recycling method according to a third embodiment of the present invention.
Reference numerals: 1. a soldering flux recovery device; 10. a housing assembly; 101. a box body; 102. an air inlet; 103. an air outlet; 104. closing plates; 20. a fan assembly; 201. a motor; 202. a wind wheel; 203. a fan casing; 30. a tension assembly; 301. a tension frame; 302. locking the handle; 303. a pressure lever; 304. sealing the channel; 40. a cooling assembly; 401. a cooling frame; 402. a heat exchanger; 403. a water inlet joint; 404. a water outlet joint; 50. a filter assembly; 501. a sealing frame; 502. a filter screen; 60. a recovery assembly; 601. recovering the frame; 602. a wind-proof plate; 603. an air inlet; 604. and (7) air outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1-5, according to a first aspect of the present application, an embodiment of the present invention is provided: a flux recovery device 1 comprises a shell assembly 10, a fan assembly 20, a tensioning assembly 30, a cooling assembly 40, a filtering assembly 50 and a recovery assembly 60, wherein the fan assembly 20 is in ventilation connection with the shell assembly 10, and the tensioning assembly 30, the cooling assembly 40, the filtering assembly 50 and the recovery assembly 60 are in airtight connection and arranged in the shell assembly 10.
In particular, a channel is provided between the fan assembly 20 and the housing assembly 10 for the flow of air, so as to form a ventilation connection.
Further, the casing assembly 10 is integrally of a casing 101 structure, and includes a casing 101, an air inlet 102, an air outlet 103, and a sealing plate 104, the casing 101 is provided with an opening, the sealing plate 104 is detachably connected to the opening, and the soldering flux recovery device 1 can be maintained and cleaned by detaching the sealing plate 104; the air inlet 102 is connected with the welding chamber of the welding equipment and is used for sucking soldering flux vapor into the soldering flux recovery device 1, and the air outlet 103 is connected with another position of the welding chamber of the welding equipment, so that the soldering flux vapor circulates between the welding chamber and the soldering flux recovery device 1.
Specifically, the soldering equipment is reflow soldering equipment, the soldering flux is an auxiliary material which is usually a mixture with rosin as a main component and ensures the smooth soldering process, the melting point of the rosin is 127 ℃, the activity of the rosin can be sustained to 315 ℃, and the highest temperature of wave soldering is about 220 ℃.
Specifically, the fan assembly 20 includes a motor 201, a fan housing 203 and a wind wheel 202, an inlet of the fan is connected to the welding chamber of the welding device, an outlet of the fan is connected to the air inlet 102, and preferably, the wind wheel 202 is a turbine centrifugal fan impeller, so that the fan assembly 20 can generate a larger wind pressure. The fan shell 203 can be connected with the shell assembly 10, and the fan shell 203 is of a sheet metal structure and surrounds the wind wheel 202 in the shell assembly 10 and the fan shell 203.
Further, along the flowing direction of the soldering flux vapor, the filtering assembly 50, the cooling assembly 40 and the recycling assembly 60 are connected in sequence, the tensioning assembly 30 is connected with the filtering assembly 50, the cooling assembly 40 or the recycling assembly 60, and sealing rubber strips are arranged at the connecting positions of the filtering assembly 50, the tensioning assembly 30, the cooling assembly 40 and the recycling assembly 60 and the connecting positions of the tensioning assembly 30, the cooling assembly 40, the filtering assembly 50 and the recycling assembly 60 and the shell assembly 10, so that the whole circulation path of the soldering flux vapor is in a sealed state, the soldering flux vapor cannot leak, and the soldering flux cannot be condensed on the welding equipment.
Specifically, the installation position of the tensioning assembly 30 can be flexibly set, i.e., the tensioning assembly can be arranged before the filter assembly 50, and can also be arranged after the recovery assembly 60 or between the filter assembly 50, the cooling assembly 40 and the recovery assembly 60.
Further, the tensioning assembly 30 comprises tensioning frames 301, a locking handle 302 and a pressure lever 303, the tensioning frames 301 comprise two groups, the two groups of tensioning frames 301 can be close to or far away from each other under the driving of the pressure lever 303, and the two groups of tensioning frames 301 are connected through a sealing channel 304; the pressing rod 303 is connected with the locking handle 302, the pressing rod 303 is a planar four-bar mechanism, the locking handle 302 is connected with a connecting rod of the pressing rod 303, and when the locking handle 302 is locked, the tensioning frames 301 are far away from each other, so that pressing force is applied to the filtering assembly 50, the cooling assembly 40 and the recovery assembly 60, and the filtering assembly, the cooling assembly and the recovery assembly are tightly and hermetically connected.
Optionally, two sets of the locking handle 302 and the pressing rod 303 are respectively disposed on the upper side and the lower side of the tensioning frame 301, and the two sets of the locking handle 302 and the pressing rod 303 are disposed at the upper position and the lower position, so that the tensioning assembly 30 can be uniformly stressed, and the sealing effect can be ensured. Preferably, the sealing channel 304 is a square bellows.
Further, the filter assembly 50 includes a sealing frame 501 and a filter screen 502, wherein the filter screen 502 is used for filtering air and preventing dirt except flux vapor from entering the cooling assembly 40 and the recycling assembly 60.
Further, the cooling assembly 40 comprises a cooling frame 401, a heat exchanger 402 arranged on the cooling frame 401, a water inlet connector 403 and a water outlet connector 404, wherein the water inlet connector 403 and the water outlet connector 404 are connected to the heat exchanger 402, so that a cooling medium flows through the water inlet connector 403, the heat exchanger 402 and the water outlet connector 404 to take away heat of the soldering flux, preferably, the heat exchanger 402 is a tubular heat exchanger (heat exchange tube) which is a U-shaped heat exchange tube, and the heat exchange tubes are connected end to end by welding with each other, so that the stroke of the cooling medium in the heat exchanger 402 is increased, and the cooling effect is improved; preferably, the material of the tubular heat exchanger is copper.
Specifically, the water inlet joint 403 is connected with the upper side of the heat exchanger 402, and the water outlet joint 404 is connected with the lower side of the pre-shrinking heat exchanger 402, so that the cooling medium with lower temperature can firstly contact the high-temperature flux vapor above the inside of the cooling assembly 40, and the cooling effect is improved. Preferably, the cooling medium is cooling water or a refrigerant, and the cooling medium is driven by a water chiller.
Further, a temperature sensor is further disposed in the cooling assembly 40, and the temperature sensor is configured to monitor a temperature of the flux vapor, so as to control a rotation speed of the fan assembly 20 and a flow rate of the cooling medium, thereby ensuring a condensation effect of the flux, optionally, the temperature range of the cooling medium is 30-85 ℃, and in this temperature range, the cooling effect of the cooling assembly 40 can be ensured, and the flux is not excessively condensed on the heat exchanger 402, thereby affecting a heat exchange effect.
Further, the recycling assembly 60 includes a recycling frame 601, an air partition plate 602 disposed on the recycling frame 601, an air inlet 603 and an air outlet 604, wherein the flux vapor flows in from the air inlet 603 and flows out from the air outlet 604; the recycling frame 601 is connected with the casing assembly 10 in a sealing manner, the wind isolation plate 602 is provided with a plurality of blocks, each block of wind isolation plate 602 and the recycling frame 601 are provided with air vents, the plurality of wind isolation plates 602 are arranged in the recycling frame 601 in a staggered manner along the gravity direction, so that the plurality of air vents are sequentially distributed up and down, when flux steam flows through the recycling assembly 60, the flux steam flows along the wind isolation plates 602 and the air vents, the time of the flux steam staying in the recycling assembly 60 is prolonged, the contact area between the flux steam and the wind isolation plates 602 is increased, and the flux steam is condensed in the recycling box as much as possible.
Example two
On the basis of the first embodiment, the recovery assembly 60 is provided with a plurality of groups, a one-way plate is arranged at the air inlet 603 of the frontmost recovery assembly 60 along the flowing direction of the soldering flux steam, and the opening direction of the one-way plate faces to the inside of the recovery assembly 60; an opening and closing plate is arranged at the air outlet 604 of the front recovery assembly 60, and the opening and closing plate can be opened or closed under the driving of the driving device.
Specifically, when the gas pressure in the recovery module 60 is greater than the gas pressure outside the air inlet 603, the one-way plate may close the air inlet 603 of the frontmost recovery module 60.
EXAMPLE III
As shown in fig. 6, a method for recycling flux according to the first embodiment includes the following steps:
and S1, controlling the fan assembly 20 and the cooling medium to flow, so as to suck the flux vapor into the flux recovery device 1.
S2, acquiring the temperature in the cooling assembly 40 according to the preset time period T
S3, when the temperature in the cooling assembly 40 is higher than 130 ℃, controlling the fan assembly 20 to reduce the rotating speed and/or increasing the flowing speed of the cooling medium; when the temperature in the cooling assembly 40 is less than 130 ℃, the fan assembly 20 is controlled to increase the rotating speed and/or reduce the flowing speed of the cooling medium flow.
When the temperature is higher than 130 ℃, the rosin can be maintained in a steam state, when the temperature is lower than 130 ℃, the rosin begins to condense, the temperature of the cooling assembly 40 is monitored, and the flow of the fan assembly 20 and/or the cooling medium is correspondingly adjusted, so that the temperature of the soldering flux steam in the cooling assembly 40 and the recovery assembly 60 can be kept in a reasonable temperature range, the rosin can be condensed in the recovery assembly 60 as much as possible due to the arrangement, the cleaning and the maintenance are convenient, and the rosin recovery efficiency is improved.
Example four
A method for recycling flux according to the second embodiment, further comprising the following step S4:
the switch board is periodically controlled to be closed and opened, the opening time of the switch board is 2-5S, and the closing time of the switch board is as follows:
Tc＝P*(V/Q)
wherein P represents a predetermined coefficient, V represents the sum of the volumes of the cooling unit 40 and the front-most recovery unit, and Q represents the air volume corresponding to the rated rotation speed of the motor. Preferably, the value of P is in the range of 1.5-1.8.
This arrangement takes advantage of the effect of the reduced gas temperature during adiabatic expansion so that flux condenses as much as possible in the reclamation assembly 60.
The specific process is as follows: when the switch board is closed, under the continuous blowing of the fan assembly 20, the pressure of the flux vapor in the frontmost recovery assembly 60 and the cooling assembly 40 is continuously increased, after the time Tc, the temperature of the flux vapor is reduced by the cooling assembly 40, after the switch board is opened, the frontmost recovery assembly 60 and the rear recovery assembly 60 are communicated with each other, the flux vapor in the frontmost recovery assembly 60 expands and reduces the temperature due to the lower vapor pressure of the flux in the rear recovery assembly 60, the flux is better condensed in the recovery assembly 60 due to the further reduction of the temperature, the flux recovery effect is improved, and after the switch board is opened, due to the existence of the one-way board, the one-way board can seal the air inlet 603 of the frontmost recovery assembly 60, so that the flux vapor is prevented from flowing back to the cooling assembly 40, the rosin can be condensed in the recovery assembly 60 as much as possible by the arrangement, so that the cleaning and maintenance are convenient, and the rosin recovery efficiency is improved.
The soldering flux recovery device 1 and the recovery method provided by the invention ensure the recovery effect of the soldering flux recovery device 1 on the soldering flux, and the soldering flux is condensed in the recovery assembly 60 as much as possible, so that the soldering flux is convenient to clean and maintain, and the leakage of the soldering flux steam is avoided by arranging the sealing rubber strip, and the cleanness of the welding equipment is ensured.
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A soldering flux recovery device is connected with welding equipment and is characterized by comprising a shell assembly, a fan assembly, a tensioning assembly, a cooling assembly, a filtering assembly and a recovery assembly, wherein the fan assembly is in ventilation connection with the shell assembly;
the shell assembly comprises a box body, an air inlet and an air outlet, wherein the air inlet and the air outlet are arranged on the box body;
along the flowing direction of soldering flux steam, the filtering component, the cooling component and the recovery component are connected in sequence, and the tensioning component, the cooling component, the filtering component and the recovery component are connected in an airtight mode and arranged in the shell component.
2. The flux recovery device of claim 1, wherein the housing assembly is generally configured as a box and further comprising a closure plate, the box having an opening, the closure plate being removably attached to the opening.
3. The flux recycling device of claim 1, wherein the fan assembly comprises a fan housing, the motor and the wind wheel being disposed in the fan housing, an inlet of the fan housing being connected to the welding chamber of the welding device, and an outlet of the fan housing being connected to the air inlet.
4. The flux recovery device of claim 2, wherein the tensioning assembly comprises two tensioning frames, a locking handle and a pressing rod, the two tensioning frames are driven by the pressing rod to move close to or away from each other, and the two tensioning frame brackets are connected through a sealing channel; the compression bar is connected with the locking handle, the compression bar is a planar four-bar mechanism, the locking handle is connected with a connecting rod of the compression bar, and when the locking handle is locked, the tensioning frames are far away from each other.
5. The flux recovery apparatus of claim 1, wherein the cooling assembly comprises a cooling frame, a heat exchanger disposed on the cooling frame, a water inlet connector, and a water outlet connector, the water inlet connector and the water outlet connector are connected to the heat exchanger;
the cooling assembly further comprises a temperature sensor and a cooling medium, wherein the cooling medium flows through the water inlet connector, the heat exchanger and the water outlet connector, and the temperature range of the cooling medium is 30-85 ℃.
6. The flux recovery apparatus of claim 1, wherein the filter assembly comprises a sealing frame and a filter screen disposed on the sealing frame for filtering air.
7. The flux recovery device of claim 1, wherein the recovery assembly comprises a recovery frame, an air baffle plate disposed on the recovery frame, an air inlet and an air outlet, and flux vapor flows in from the air inlet and flows out from the air outlet; retrieve the frame with casing subassembly sealing connection, the air partition plate is equipped with the polylith, every the air partition plate with retrieve and leave the blow vent between the frame, the polylith the air partition plate is in follow the crisscross setting of gravity direction in the frame of retrieving.
8. The flux recovery apparatus of claim 6, wherein: the recovery assembly is provided with a plurality of groups, a one-way plate is arranged at the air inlet of the foremost recovery assembly along the flowing direction of the soldering flux steam, and the opening direction of the one-way plate faces to the inside of the recovery assembly; and a switch board is arranged at the air outlet of the front recovery assembly and is driven by the driving device to be opened or closed.
9. A method for recovering soldering flux is characterized in that: the flux recycling apparatus of any one of claims 1 to 8, comprising the steps of:
s1, controlling the fan assembly and the cooling medium to flow, so that flux vapor is sucked into the flux recovery device;
s2, acquiring the temperature in the cooling assembly according to a preset time period T;
s3, when the temperature in the cooling assembly is higher than 130 ℃, controlling the fan assembly to reduce the rotating speed and/or increasing the flowing speed of the cooling medium; and when the temperature in the cooling assembly is more than or equal to 130 ℃, controlling the fan assembly to increase the rotating speed and/or reducing the flowing speed of the cooling medium.
10. A method for recovering soldering flux is characterized in that:
the flux recycling apparatus of claim 8, comprising the steps of: the switch board is periodically controlled to be closed and opened, the opening time of the switch board is 2-5S, and the closing time of the switch board is as follows:
Tc＝P*(V/Q)
wherein P represents a preset coefficient, the value range of P is 1.5-1.8, V represents the sum of the volumes of the cooling component and the frontmost recovery component, and Q represents the corresponding air volume under the rated rotating speed of the motor.
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| JP2003179341A (en) * | 2001-12-11 | 2003-06-27 | Tamura Seisakusho Co Ltd | Cooling device for reflow and reflow device |
| JP2004195476A (en) * | 2002-12-16 | 2004-07-15 | Tamura Seisakusho Co Ltd | Cooling device for soldering, and reflow device |
| CN201171922Y (en) * | 2008-02-03 | 2008-12-31 | 日东电子科技(深圳)有限公司 | Welding flux recovery device |
| JP2010004013A (en) * | 2008-05-19 | 2010-01-07 | Green Technologies Corp | Reflow apparatus |
| JP2010109301A (en) * | 2008-10-31 | 2010-05-13 | Green Technologies Corp | Reflow device |
| CN202344091U (en) * | 2011-11-24 | 2012-07-25 | 崔文豪 | Externally connected soldering flux recovering device |
| CN208678626U (en) * | 2018-08-03 | 2019-04-02 | 长春一汽富晟李尔汽车电器电子有限公司 | Wave soldering scaling powder recycling device |
| CN108971693A (en) * | 2018-10-09 | 2018-12-11 | 伟创力电子技术(苏州)有限公司 | A kind of environmental protection reflux brazier soldering flux recyclable device |
| CN112222069A (en) * | 2020-10-22 | 2021-01-15 | 深圳市山木电子设备有限公司 | Condensation recovery unit and online PCBA cleaning machine of PCBA cleaning machine |
| CN215545644U (en) * | 2021-07-29 | 2022-01-18 | 康耐威(苏州)半导体科技有限公司 | Recovery device for scaling powder of semiconductor welding furnace |
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| CN115070158B (en) | 2023-04-07 |
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