CN114425645B - Circuit board cooling module for reflow soldering - Google Patents
Circuit board cooling module for reflow soldering Download PDFInfo
- Publication number
- CN114425645B CN114425645B CN202210358470.XA CN202210358470A CN114425645B CN 114425645 B CN114425645 B CN 114425645B CN 202210358470 A CN202210358470 A CN 202210358470A CN 114425645 B CN114425645 B CN 114425645B
- Authority
- CN
- China
- Prior art keywords
- filtering mechanism
- air
- circuit board
- blade
- group
- 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.)
- Active
Links
Images
Classifications
-
- 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
- B23K3/085—Cooling, heat sink or heat shielding means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3494—Heating methods for reflowing of solder
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention discloses a circuit board cooling module for reflow soldering, which relates to the field of reflow soldering and comprises a shell and a conveyor belt, wherein the shell is arranged at the side end of the reflow soldering, a plurality of groups of soldering plates are arranged at the top end of the conveyor belt, a circuit board is arranged at the top end of each group of soldering plates, a filtering mechanism is arranged at the top end of the shell, and the filtering mechanism comprises an air suction port and a collecting port. Can be at the in-process of breathing in, filter the air that enters into filtering mechanism through the filter, it drives the scraper blade and removes to make the loop bar under the negative pressure, it removes spacing to the filter to make the scraper blade remove the fluting position of seting up to the filter edge, the blade rotates under the drive of air current this moment, make the filter that has the smoke and dust remove the plane the same with the scraper blade, the position of bull stick both ends L type pipe also changes when the bull stick pivoted, thereby change the switch-on condition to two sets of breathing pipes, make the switch-on condition reverse change simultaneously of two sets of loop bars, make the scraper blade strike off the filter.
Description
Technical Field
The invention relates to the field of reflow soldering, in particular to a circuit board cooling module for reflow soldering.
Background
Due to the continuous miniaturization requirement of electronic product PCB boards, sheet elements appear, the traditional welding method can not adapt to the requirement, a reflow soldering process is adopted in the assembly of the hybrid integrated circuit board, the assembled and welded elements mostly comprise sheet capacitors, sheet inductors, surface-mounted transistors, diodes and the like, along with the gradual improvement of the whole technical development of SMT, various surface-mounted elements and surface-mounted devices appear, the reflow soldering process technology and equipment which are part of the surface-mounted technology are correspondingly developed, the application of the reflow soldering process technology and equipment is gradually wide, and the reflow soldering process technology and equipment are applied to almost all electronic product fields.
When carrying out reflow soldering to the circuit board, need heat up the circuit board, make the tin cream melt and with the component bonding back, cool off the circuit board again, current cooling method all adopts the fan to inhale the outside air generally and carries out radiating mode to the circuit board, the availability factor is lower, and in carrying out welding process to the circuit board, can produce a large amount of flue gases, when cooling off the circuit board, the flue gas enters into cooling arrangement very easily, if the smoke and dust discharges to cause the pollution to the environment very easily outside the equipment, and can lead to the inside jam of cooling arrangement for a long time, influence the use.
Disclosure of Invention
Therefore, the invention aims to provide a circuit board cooling module for reflow soldering, which solves the technical problems of poor heat dissipation effect and inconvenience in smoke treatment.
In order to achieve the purpose, the invention provides the following technical scheme: a circuit board cooling module for reflow soldering comprises a shell and a conveyor belt, wherein the shell is arranged at the side end of reflow soldering, a plurality of groups of welding plates are placed at the top end of the conveyor belt, circuit boards are placed at the top ends of all groups of welding plates, a filtering mechanism is installed at the top end of the shell and comprises an air suction port and a collecting port, the collecting port is located inside the shell, the top end of the air suction port is connected with a connecting box, a motor is installed at one side of the filtering mechanism, the output end of the motor is connected with a first fan blade and a second fan blade, the first fan blade is located above the air suction port, the second fan blade is located outside the filtering mechanism, air guide pipes are installed at the two ends of the connecting box, each air guide pipe extends to the inside of the shell and is connected with an air injection box, each air injection box is located at the two sides of the conveyor belt, and a rotating rod is installed inside the filtering mechanism, the utility model discloses a filter, including the inlet port, the outlet port, the inlet port, the outlet port, the outer side of bull stick is connected with the multiunit blade, and the inner wall of every group blade all is connected with the filter, two sets of L type pipe have all been seted up at the both ends of bull stick, the cutting ferrule has all been connected with the breathing pipe in the cutting ferrule outside, the tip of breathing pipe extends to the inside of filter, and the connecting pipe makes connecting pipe, L type pipe and breathing pipe can form complete route, the loop bar is all installed to filter's both sides, and the loop bar switches on with the connecting pipe, and the end connection of every group loop bar extends to filter's internally connected with the scraper blade, the scraper blade can strike off the outer wall of filter.
Through adopting above-mentioned technical scheme, the air to in the shell that can be convenient filters to send the air into the welding plate inside and outside when filterable, can be convenient cool off the circuit board.
The invention is further provided that the two sides of the filtering mechanism are both provided with recovery boxes, each group of recovery boxes and the scraper are positioned on the same horizontal line, the recovery boxes are fixedly connected with the filtering mechanism through bolts, and the inner openings of the recovery boxes are aligned with the scrapers.
Through adopting above-mentioned technical scheme, can collect the smoke and dust through retrieving the box when filtering.
The invention is further arranged in such a way that the bottom end of each group of loop bars is provided with a communicating pipe, the interior of each loop bar is positioned at the end part of the communicating pipe and is provided with an air cavity, the communicating pipe is communicated with the connecting pipe through a hose, the interior of each loop bar is connected with a sliding rod in a sliding way, the end part of each sliding rod is fixedly connected with the scraper, and the end part of each loop bar is provided with an electromagnetic valve.
Through adopting above-mentioned technical scheme, can make things convenient for the loop bar to extend or contract, conveniently control the air current through the solenoid valve, make the loop bar and external switch-on when needs.
The invention is further set that baffles are symmetrically arranged on the inner wall of the filtering mechanism, a spring is arranged in each group of baffles, the baffles are movably connected with the filtering mechanism through the springs, the bottom end of each baffle is provided with an inclined surface, the edge of the side wall of each group of blades is provided with a notch, the notches of two adjacent groups of blades are respectively positioned on different side walls of the blades, and the baffles can be clamped with the notches.
Through adopting above-mentioned technical scheme, can conveniently seal the edge of blade.
The invention is further configured such that the outer wall of the gassing box is provided with a plurality of groups of openings, and each group of openings is aligned with the outer wall of the welding plate.
Through adopting above-mentioned technical scheme, can conveniently provide the air current to the welded plate.
The invention is further set that the interior of the welding plate is of a hollow structure, air inlets are formed in two sides of the welding plate, a plurality of groups of protruding edges are formed in the top end of the welding plate, top plates are arranged among the protruding edges at intervals, the bottom end of each group of top plates extends to the hollow part in the welding plate, and an air jet is formed in the top plate and communicated with the hollow part.
Through adopting above-mentioned technical scheme, make the below that the air current can reach the circuit board, diversely cool off the circuit board, improve the cooling effect.
The invention is further set that the bottom end of the scraper is provided with an arc groove, the scraper is movably connected with the outer wall of the rotating rod through the arc groove, and the bottom end of the scraper is attached to the outer wall of the blade.
Through adopting above-mentioned technical scheme, can make things convenient for the scraper blade to carry on spacingly to the blade.
The angle between the two groups of L-shaped tubes at one end of the rotating rod is one hundred and eighty degrees, and the phase angle between the L-shaped tubes at the two ends of the rotating rod is ninety degrees.
Through adopting above-mentioned technical scheme, can change the position of L type pipe after the bull stick rotates to whether the breathing pipe to different positions puts through and adjusts, thereby changes the direction that the loop bar removed.
The fan is further provided with a plurality of groups of cooling grids connected between the connecting box and the air suction port, cooling grooves are formed between each group of cooling grids, and the cooling grids are aligned with the top ends of the second fan blades.
Through adopting above-mentioned technical scheme, can conveniently dispel the heat to the air, improve the cooling effect.
In summary, the invention mainly has the following beneficial effects:
1. according to the invention, through the arranged filtering mechanism, the motor, the air guide pipe, the air injection box and the welding plate, when the circuit board is cooled, air flow can be injected into the welding plate, the air flow pushes the top plate to jack the circuit board, the air flow is sprayed out through the air injection port to dissipate heat at the bottom end of the circuit board, the circuit board can be cooled in multiple directions, the cooling effect is improved, and in the heat dissipation process, hot air in the module is extracted through the collection port, the hot air enters the cooling grid, and the cooling grid is cooled through air blowing of the second fan blade, so that the air can be cooled, the temperature of the air entering the air guide pipe is reduced, the heat dissipation is convenient, and the problem of poor heat dissipation effect is effectively solved.
2. The invention can filter the air entering the filtering mechanism through the filtering plate in the air suction process through the filtering mechanism, the loop bar, the rotating bar and the scraping plate, in the filtering process, the air in one set of loop bar is pumped out through the air suction pipe, the L-shaped pipe and the connecting pipe, the loop bar drives the scraping plate to move, the scraping plate moves to the notch position arranged at the edge of the filtering plate to remove the limit to the filtering plate, at the moment, the blade rotates under the driving of the air flow, the filtering plate with smoke dust moves to the same plane as the scraping plate, at the moment, the other set of blade is attached to the bottom end of the scraping plate, the positions of the L-shaped pipes at the two ends of the rotating bar are also changed while the rotating bar rotates, thereby changing the connection condition of the two sets of air suction pipes, simultaneously changing the connection condition of the two sets of loop bars in reverse direction, the loop bar drives the scraping plate to move in reverse direction, the scraping plate can scrape the smoke dust outside the filtering plate while moving, can be convenient handle the smoke and dust, improve the availability factor, effectively solve the inconvenient problem of handling of smoke and dust.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic view of the cooling structure of the present invention;
FIG. 5 is a schematic view of a solder plate mounting configuration of the present invention;
FIG. 6 is a schematic view of the internal structure of the welded plate of the present invention;
FIG. 7 is a schematic cross-sectional view of a filter mechanism according to the present invention;
FIG. 8 is a schematic view of a fan blade mounting structure according to the present invention;
FIG. 9 is a schematic view of the installation structure of the air intake pipe and the connecting pipe of the present invention;
FIG. 10 is a schematic view of the loop bar and flight mounting arrangement of the present invention;
FIG. 11 is a schematic view of the recovery box mounting structure of the present invention;
FIG. 12 is a schematic view of the squeegee and turn bar configuration of the invention;
FIG. 13 is a schematic view of an L-shaped tube according to the present invention;
fig. 14 is a partial structural diagram of the rotating rod of the present invention.
In the figure: 1. a housing; 2. a conveyor belt; 3. a filtering mechanism; 301. an air intake duct; 302. a connecting pipe; 303. a cooling grid; 304. a connecting box; 305. an air suction port; 306. a collection port; 4. a motor; 401. a first fan blade; 402. a second fan blade; 5. an air duct; 6. a loop bar; 601. a communicating pipe; 7. an air-jet box; 701. an opening; 8. welding the plate; 801. a top plate; 802. an air jet; 9. a recovery box; 10. a rotating rod; 1001. a blade; 1002. a filter plate; 1003. an L-shaped pipe; 11. a squeegee; 12. and a baffle plate.
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. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
The following describes an embodiment of the present invention based on its overall structure.
A cooling module of a reflow soldering circuit board is disclosed, as shown in FIG. 1 to FIG. 14, comprising a housing 1 and a conveyor belt 2, wherein the housing 1 is installed at the side end of reflow soldering, a plurality of groups of welding plates 8 are placed on the top end of the conveyor belt 2, and a circuit board is placed on the top end of each group of welding plates 8, a filter mechanism 3 is installed on the top end of the housing 1, the filter mechanism 3 comprises an air suction port 305 and a collection port 306, the collection port 306 is located inside the housing 1, the top end of the air suction port 305 is connected with a connection box 304, a plurality of groups of cooling grids 303 are connected between the connection box 304 and the air suction port 305, and cooling grooves are arranged between each group of cooling grids 303, the cooling grids 303 are aligned with the top end of a second fan blade 402, a motor 4 is installed at one side of the filter mechanism 3, the output end of the motor 4 is connected with a first fan blade 401 and a second fan blade 402, the first fan blade 401 is located above the air suction port 305, the second fan blade 402 is located at the outer side of the filter mechanism 3, and the air ducts 5 are installed at both ends of the connecting box 304, each group of air ducts 5 extends to the inside of the casing 1 and is connected with the air injection box 7, each group of air injection box 7 is located at both sides of the conveyor belt 2, the outer wall of the air injection box 7 is provided with a plurality of groups of openings 701, each group of openings 701 is aligned with the outer wall of the welding plate 8, the inside of the welding plate 8 is of a hollow structure, both sides of the welding plate 8 are provided with air inlets, the top end of the welding plate 8 is provided with a plurality of groups of protruding edges, a top plate 801 is arranged between each group of protruding edges at intervals, the bottom end of each group of top plate 801 is along the hollow part inside the welding plate 8, the inside of the top plate 801 is provided with an air jet 802, the air jet 802 is communicated with the hollow part, when the circuit board is cooled, the air flow can enter the hollow part inside the welding plate 8, the top plate 801 is jacked up by high-pressure gas, thereby separating the circuit board from the welding plate 8, then, the bottom end of the circuit board is cooled by the air flow sprayed out through the air jet 802, the circuit board can be cooled in multiple directions, the cooling effect is improved, a rotating rod 10 is installed inside the filtering mechanism 3, multiple groups of blades 1001 are connected to the outer side of the rotating rod 10, a filter plate 1002 is connected to the inner wall of each group of blades 1001, two groups of L-shaped pipes 1003 are arranged at two ends of the rotating rod 10, cutting sleeves are arranged at two sides of the filtering mechanism 3, the rotating rod 10 is clamped with the cutting sleeves, an air suction pipe 301 is connected to the outer side of each group of cutting sleeves, the end of the air suction pipe 301 extends into the air suction port 305, a connecting pipe 302 is connected to the side face of each cutting sleeve, so that the connecting pipe 302, the L-shaped pipes 1003 and the air suction pipe 301 can form a complete passage, loop bars 6 are installed at two sides of the filtering mechanism 3, the loop bars 6 are communicated with the connecting pipe 302, and the end of each group of loop bars 6 is connected with a scraper 11 extending into the filtering mechanism 3, the scraper 11 can scrape the outer wall of the filter plate 1002, the bottom end of each group of loop bars 6 is provided with a communicating pipe 601, the inside of each loop bar 6 is positioned at the end part of the communicating pipe 601 and is provided with an air cavity, the communicating pipe 601 is communicated with the connecting pipe 302 through a hose, the inside of each loop bar 6 is connected with a slide bar in a sliding way, the end part of each slide bar is fixedly connected with the scraper 11, the end part of each loop bar 6 is provided with an electromagnetic valve, whether the loop bar 6 is communicated with the outside air can be perforated or not through the electromagnetic valve, when the loop bar 6 needs to be communicated with negative pressure, the electromagnetic valve is closed, when the loop bar 6 is not communicated with the negative pressure, the electromagnetic valve is opened, the circuit board can be cooled, meanwhile, smoke dust is sucked into the filter mechanism 3, the smoke dust is filtered through the filter plate 1002 arranged on the blades 1001, after filtering, the scraper 11 is moved through the loop bar 6, so as to scrape and clean the filter plate 1002, after cleaning, the scraper 11 moves to the slotting position at the edge of the blade 1001, the blade 1001 is not limited, the blade 1001 rotates under the driving of airflow at the moment, the second group of blades 1001 is attached to the bottom end of the scraper 11 for limiting, the filter plate 1002 with smoke dust rotates to the same plane of the scraper 11 at the moment, and under the rotation of the rotating rod 10, the position of the L-shaped pipe 1003 is changed, whether the two groups of loop bars 6 are communicated with the air suction pipe 301 is adjusted, the loop bars 6 which are previously communicated with negative pressure are not communicated with the negative pressure, the loop bars 6 which are not previously communicated are communicated with the negative pressure, the scraper 11 is pushed to move reversely, the filter plate 1002 is scraped, and the use efficiency is improved.
Referring to fig. 2 and 10, the recycling boxes 9 are mounted on both sides of the filtering mechanism 3, each group of recycling boxes 9 is located on the same horizontal line with the scraper 11, the recycling boxes 9 are fixedly connected with the filtering mechanism 3 through bolts, and an inner opening of the recycling box 9 is aligned with the scraper 11, so that the smoke scraped by the scraper 11 can be conveniently collected.
Referring to fig. 9 and 11, baffles 12 are symmetrically installed on the inner wall of the filtering mechanism 3, a spring is installed inside each group of baffles 12, the baffles 12 are movably connected with the filtering mechanism 3 through the spring, the bottom end of each baffle 12 starts to be provided with an inclined surface, the edge of the side wall of each group of blades 1001 is provided with a slot, the slots of two adjacent groups of blades 1001 are respectively located on different side walls of the blades 1001, the baffles 12 can be clamped with the slots, the slots on the edges of the blades can be sealed to a certain extent through the baffles 12, and the probability of smoke leakage is reduced.
Referring to fig. 12, an arc groove is formed at the bottom end of the scraper 11, the scraper 11 is movably connected with the outer wall of the rotating rod 10 through the arc groove, and the bottom end of the scraper 11 is attached to the outer wall of the blade 1001, so that the scraper 11 can move conveniently and limit the blade 1001.
Referring to fig. 13 and 14, the angle between the two sets of L-shaped tubes 1003 at one end of the rotating rod 10 is one hundred eighty degrees, and the phase angle between the L-shaped tubes 1003 at the two ends of the rotating rod 10 is ninety degrees, so that the angle between the L-shaped tubes 1003 at the two ends can be changed when the rotating rod 10 rotates, and thus whether the suction pipes 301 at the two ends are communicated with the connecting pipe 302 or not is changed, and whether the loop bar 6 is communicated with negative pressure or not is changed.
The working principle of the invention is as follows: when the device is used, firstly, the module is arranged at the tail part of reflow soldering, firstly, the filtering mechanism 3 is assembled, a plurality of groups of blades 1001 are arranged at the outer side of a rotating rod 10, two groups of L-shaped pipes 1003 which are symmetrical in one hundred eighty degrees are arranged at two ends of the rotating rod 10, the phase angle of the L-shaped pipes 1003 arranged at the two ends of the rotating rod 10 is maintained at ninety degrees, then, the rotating rod 10 is arranged inside the filtering mechanism 3, two ends of the rotating rod 10 are inserted into slots, the L-shaped pipes 1003 can be communicated with an air suction pipe 301 and a connecting pipe 302, then, two groups of loop bars 6 are arranged at two sides of the filtering mechanism 3, a scraper 11 is arranged on the output ends of the two groups of loop bars 6 and the two groups of output ends are connected together, then, the connecting pipe 302 is communicated with a communicating pipe 601 through a hose, the bottom end arc surface of the scraper 11 can be jointed with the outer wall of the rotating rod 10, the rotating rod 10 is arranged, then, a flexible recovery box 9 is arranged at two sides of the filtering mechanism 3, aligning with the scraper 11, then installing the motor 4 outside the filtering mechanism 3, making the output end of the motor 4 penetrate through the filtering mechanism 3, installing a first fan blade 401 and a second fan blade 402 outside the output end of the motor 4, making the first fan blade 401 be located above the air suction port 305, making the second fan blade 402 be located outside the filtering mechanism 3, then installing two groups of air ducts 5 outside the connecting box 304, making the air ducts 5 extend to the inside of the shell 1 to be communicated with the air injection box 7, and completing the assembly of the filtering mechanism 3;
In the process of using the equipment, firstly, a circuit board carrying components is stably placed on a welding plate 8, then the welding plate 8 is driven to move in the reflow soldering equipment by a conveyor belt 2, the circuit board is heated and welded, after the welding is finished, the welding plate 8 is driven to move into a cooling module by the conveyor belt 2, at the moment, a motor 4 is started, the output end of the motor 4 drives a first fan blade 401 and a second fan blade 402 to rotate, the first fan blade 401 sends air in a filtering mechanism 3 into a connecting box 304 and sends the air into each group of air injection boxes 7 through two groups of air guide pipes 5 and sprays out from an opening 701, when the welding plate 8 moves to two sides of the air injection boxes 7, sprayed air flow can enter the welding plate 8 and jack up a top plate 801 so as to jack up the top plate 801, the top plate 801 pushes up the circuit board so as to enable the air flow to flow from the lower part of the circuit board, and the air flow is discharged through an air injection port 802, thereby cooling the lower part of the circuit board, cooling the circuit board in multiple directions, improving the cooling effect, in the cooling process, the airflow can bring the smoke dust into the collecting port 306 until the smoke dust reaches the blade 1001, the smoke dust is filtered through the filter plate 1002, in the filtering process, the negative pressure can also pump out the air in the air suction pipe 301, the first air suction pipe 301 is communicated with the L-shaped pipe 1003 at one end of the rotating rod 10, the first air suction pipe 301 is communicated with the connecting pipe 302 through the L-shaped pipe 1003, the connecting pipe 302 is communicated with the first sleeve rod 6 through a hose, so that the air in the sleeve rod 6 can be pumped out, the first sleeve rod 6 drives the scraper 11 to move, the second sleeve rod 6 sucks in the outside air through the electromagnetic valve, when the scraper 11 moves to the slot at the edge of the blade 1001, the scraper 11 does not limit the blade 1001 any more, the blade 1001 rotates under the action of the wind force, and drives the rotating rod 10 to rotate synchronously, when the second group of blades 1001 is connected with the bottom end of the scraper 11, the scraper 11 limits the second group of blades 1001, and at this time, the filter plate 1002 with smoke dust and the side surface of the scraper 11 are positioned on the same plane, at this time, the rotating rod 10 drives the L-shaped pipes 1003 at two ends to rotate, so that the first air suction pipe 301 is not communicated with the L-shaped pipes 1003 any more, the second air suction pipe 301 is communicated with the L-shaped pipes 1003 at this time, the air of the second sleeve rod 6 is sucked out by negative pressure, thereby driving the scraper 11 to move reversely, the filter plate 1002 with smoke dust is cleaned by the movement of the scraper 11, when the scraper 11 moves to the bottom end to intercept the slotting at the edge of the blade 1001, the air flow continues to drive the blades 1001 and the rotating rod 10 to rotate until the subsequent blades 1001 are attached to the bottom end of the scraper 11 again, and in the rotating process of the rotating rod 10, the plurality of groups of L-shaped pipes 1003 are not communicated with the air suction pipe 301, thereby not driving the sleeve rod 6 to move, the scraper 11 can not move, and the smoke dust scraped by the scraper 11 falls into the recovery box 9 to complete the recovery of the smoke dust, so that the circulation is continued in sequence, the smoke dust can be filtered and removed, other electrical equipment is not needed, and the use efficiency is improved;
Filtered gas can arrive the cooling grid 303 under first flabellum 401 inhales in, and second flabellum 402 drives wind and flows from the cooling grid 303 outside, can be quick cool down inspiratory air, makes the follow-up air temperature that enters into in the air duct 5 reduce to can improve the cooling effect to the circuit board, improve the availability factor.
Although embodiments of the present invention have been shown and described, it is intended that the present invention should not be limited thereto, that the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, variations or the like, which are not inventive and may be made by those skilled in the art without departing from the principle and spirit of the present invention and without departing from the scope of the claims.
Claims (6)
1. The utility model provides a circuit board cooling module for reflow soldering, includes shell (1) and conveyer belt (2), the side at reflow soldering is installed in shell (1), multiunit welding board (8) have been placed on the top of conveyer belt (2), and the circuit board, its characterized in that are all placed on the top of every group welding board (8): the air purifier is characterized in that the top end of the shell (1) is provided with a filtering mechanism (3), the filtering mechanism (3) comprises an air suction port (305) and a collecting port (306), the collecting port (306) is located inside the shell (1), the top end of the air suction port (305) is connected with a connecting box (304), one side of the filtering mechanism (3) is provided with a motor (4), the output end of the motor (4) is connected with a first fan blade (401) and a second fan blade (402), the first fan blade (401) is located above the air suction port (305), the second fan blade (402) is located outside the filtering mechanism (3), air guide pipes (5) are arranged at two ends of the connecting box (304), each air guide pipe (5) extends to the inside of the shell (1) and is connected with an air injection box (7), each air injection box (7) is located at two sides of the conveying belt (2), and a rotating rod (10) is arranged inside the filtering mechanism (3), the outer side of the rotating rod (10) is connected with a plurality of groups of blades (1001), the inner wall of each group of blades (1001) is connected with a filter plate (1002), two ends of the rotating rod (10) are both provided with two groups of L-shaped pipes (1003), two sides of the filtering mechanism (3) are both provided with clamping sleeves, the rotating rod (10) is clamped with the cutting sleeves, the outer side of each cutting sleeve is connected with an air suction pipe (301), the end part of the air suction pipe (301) extends to the inside of the air suction port (305), the side surface of the clamping sleeve is connected with a connecting pipe (302), so that the connecting pipe (302), the L-shaped pipe (1003) and the air suction pipe (301) can form a complete passage, both sides of the filtering mechanism (3) are provided with loop bars (6), the loop bars (6) are communicated with the connecting pipe (302), the end part of each group of loop bars (6) extends to the inside of the filtering mechanism (3) and is connected with a scraping plate (11), the scraper (11) can scrape the outer wall of the filter plate (1002);
The outer wall of the gas spraying box (7) is provided with a plurality of groups of openings (701), each group of openings (701) is aligned with the outer wall of the welding plate (8), the inside of the welding plate (8) is of a hollow structure, both sides of the welding plate (8) are provided with gas inlets, the top end of the welding plate (8) is provided with a plurality of groups of protruding edges, top plates (801) are arranged among the protruding edges at intervals, the bottom end of each group of top plates (801) all extends to the hollow part inside the welding plate (8), the inside of the top plates (801) is provided with gas spraying ports (802), and the gas spraying ports (802) are communicated with the hollow part;
each group the bottom of loop bar (6) has been seted up and has been connect siphunculus (601), the inside of loop bar (6) is located connects siphunculus (601) tip and has been seted up the air cavity, connect siphunculus (601) through hose and connecting pipe (302) switch-on, the inside sliding connection of loop bar (6) has the slide bar, and the tip and scraper blade (11) fixed connection of slide bar, the solenoid valve is installed to the tip of loop bar (6).
2. A circuit board cooling module for reflow soldering according to claim 1, characterized in that: the both sides of filtering mechanism (3) all are installed and are retrieved box (9), and every group retrieves box (9) and all is located same water flat line with scraper blade (11), retrieve box (9) and filtering mechanism (3) and pass through bolt fixed connection, retrieve the inside opening and the scraper blade (11) alignment of box (9).
3. A circuit board cooling module for reflow soldering according to claim 1, characterized in that: baffle (12), every group are installed to the inner wall symmetry of filtering mechanism (3) baffle (12) internally mounted has the spring, baffle (12) are through spring and filtering mechanism (3) swing joint, the bottom of baffle (12) begins to have the inclined plane, every group the lateral wall edge of blade (1001) has all been seted up the fluting, and the fluting of adjacent two sets of blade (1001) is located the different lateral walls of blade (1001) respectively, baffle (12) can with the fluting block.
4. A circuit board cooling module for reflow soldering according to claim 1, characterized in that: the arc groove has been seted up to the bottom of scraper blade (11), scraper blade (11) are through the outer wall swing joint of arc groove and bull stick (10), the bottom of scraper blade (11) and the outer wall laminating of blade (1001).
5. A circuit board cooling module for reflow soldering according to claim 1, characterized in that: the angle between two groups of L-shaped tubes (1003) at one end of the rotating rod (10) is one hundred and eighty degrees, and the phase angle between the L-shaped tubes (1003) at two ends of the rotating rod (10) is ninety degrees.
6. A circuit board cooling module for reflow soldering according to claim 1, characterized in that: a plurality of groups of cooling grids (303) are connected between the connecting box (304) and the air suction port (305), cooling grooves are formed between each group of cooling grids (303), and the cooling grids (303) are aligned with the top ends of the second fan blades (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210358470.XA CN114425645B (en) | 2022-04-07 | 2022-04-07 | Circuit board cooling module for reflow soldering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210358470.XA CN114425645B (en) | 2022-04-07 | 2022-04-07 | Circuit board cooling module for reflow soldering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114425645A CN114425645A (en) | 2022-05-03 |
| CN114425645B true CN114425645B (en) | 2022-06-14 |
Family
ID=81314243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210358470.XA Active CN114425645B (en) | 2022-04-07 | 2022-04-07 | Circuit board cooling module for reflow soldering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114425645B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116673564B (en) * | 2023-06-15 | 2024-06-04 | 上海众新信息科技有限公司 | Computer circuit board reflow soldering cooling device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010015841A1 (en) * | 2009-03-13 | 2010-09-16 | DENSO CORPORATION, Kariya-shi | Reflow soldering |
| CN207521847U (en) * | 2017-11-20 | 2018-06-22 | 中山市锐钜智能电子有限公司 | A kind of heat-extraction system for e-factory indoor return soldering equipment motor radiating |
| CN210524072U (en) * | 2019-09-17 | 2020-05-15 | 河北奇旭电子科技有限公司 | Reflow soldering machine with stable and quick soldering |
| CN211387277U (en) * | 2019-12-12 | 2020-09-01 | 昆山振顺电子科技有限公司 | Energy-saving reflow soldering equipment |
| CN212665123U (en) * | 2020-07-03 | 2021-03-09 | 张永华 | Reflow soldering device for automotive electronic product |
| CN112636223A (en) * | 2021-01-13 | 2021-04-09 | 杭州珍平数码有限公司 | Equipment for cooling outdoor power distribution cabinet |
| CN214350144U (en) * | 2020-12-17 | 2021-10-08 | 苏州市伟杰电子有限公司 | Reflow soldering ejection of compact cooling device |
| CN214928141U (en) * | 2021-03-27 | 2021-11-30 | 绍兴恒利印染有限公司 | Dust collector of circular screen printer |
| CN215545615U (en) * | 2021-04-30 | 2022-01-18 | 安徽鸿发智能科技有限公司 | Reflow soldering furnace with cooling mechanism for SMT paster processing |
| CN114265474A (en) * | 2021-12-24 | 2022-04-01 | 广州优捷科技有限公司 | Computer display with high-efficient heat dissipation and automatic function of accomodating |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3877477B2 (en) * | 1999-11-12 | 2007-02-07 | 日本電熱計器株式会社 | Reflow soldering equipment |
| RU2567963C2 (en) * | 2008-12-10 | 2015-11-10 | Кевин Стефен ДЭВИС | Method and device for reflow soldering |
| CN101612506B (en) * | 2009-07-09 | 2011-07-27 | 维多利绍德机械科技（苏州）有限公司 | Nitrogen filtering recovery system of reflow oven |
| CN108200732B (en) * | 2018-01-25 | 2024-03-12 | 东莞市创威自动化科技有限公司 | Hot air type reflow soldering furnace |
| CN110385496B (en) * | 2018-04-20 | 2022-09-30 | 伊利诺斯工具制品有限公司 | Reflow oven and method of operating the same |
-
2022
- 2022-04-07 CN CN202210358470.XA patent/CN114425645B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010015841A1 (en) * | 2009-03-13 | 2010-09-16 | DENSO CORPORATION, Kariya-shi | Reflow soldering |
| CN207521847U (en) * | 2017-11-20 | 2018-06-22 | 中山市锐钜智能电子有限公司 | A kind of heat-extraction system for e-factory indoor return soldering equipment motor radiating |
| CN210524072U (en) * | 2019-09-17 | 2020-05-15 | 河北奇旭电子科技有限公司 | Reflow soldering machine with stable and quick soldering |
| CN211387277U (en) * | 2019-12-12 | 2020-09-01 | 昆山振顺电子科技有限公司 | Energy-saving reflow soldering equipment |
| CN212665123U (en) * | 2020-07-03 | 2021-03-09 | 张永华 | Reflow soldering device for automotive electronic product |
| CN214350144U (en) * | 2020-12-17 | 2021-10-08 | 苏州市伟杰电子有限公司 | Reflow soldering ejection of compact cooling device |
| CN112636223A (en) * | 2021-01-13 | 2021-04-09 | 杭州珍平数码有限公司 | Equipment for cooling outdoor power distribution cabinet |
| CN214928141U (en) * | 2021-03-27 | 2021-11-30 | 绍兴恒利印染有限公司 | Dust collector of circular screen printer |
| CN215545615U (en) * | 2021-04-30 | 2022-01-18 | 安徽鸿发智能科技有限公司 | Reflow soldering furnace with cooling mechanism for SMT paster processing |
| CN114265474A (en) * | 2021-12-24 | 2022-04-01 | 广州优捷科技有限公司 | Computer display with high-efficient heat dissipation and automatic function of accomodating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114425645A (en) | 2022-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114425645B (en) | Circuit board cooling module for reflow soldering | |
| CN111112167A (en) | PCB board ash removal processing apparatus | |
| CN108262584A (en) | A kind of welding robot workbench | |
| CN213847103U (en) | PCB circuit board removes electrostatic devices | |
| CN212599649U (en) | Laser splicing welding dust removal device for steel processing | |
| CN219622900U (en) | Centrifugal ventilator | |
| CN100338399C (en) | Air conditioner having indoor unit with automatic air filter-cleaning function | |
| CN219112374U (en) | Dust removing device for PCB | |
| CN208357345U (en) | A kind of continuous pass-through type cleaning machine | |
| CN213885373U (en) | Industrial dust treatment device | |
| CN209424194U (en) | A kind of electrical equipment dust-extraction unit | |
| CN213701053U (en) | Multistage dust collector is used to PCB board | |
| CN206176560U (en) | Air conditioner and air duct machine thereof | |
| CN218014758U (en) | SMT paster welding belt cleaning device | |
| CN219169122U (en) | Dust-absorbing and glue-removing equipment special for mobile phone maintenance | |
| CN110732223A (en) | rare earth processing waste gas treatment equipment | |
| CN117387414B (en) | Heat exchanger applied to electric cabinet of iron tower | |
| CN218615878U (en) | Dustless formula resistance printing device | |
| CN212088007U (en) | Continuous working type electromagnetic stir-frying device | |
| CN117679851B (en) | Smelting flue gas centrifugal purification device, equipment and application | |
| CN220648296U (en) | Light calcium carbonate burning flue gas processing apparatus | |
| CN217057776U (en) | Low-temperature dehumidifier capable of filtering gas | |
| CN220696268U (en) | Electrode paste raw material asphalt smoke collecting and dust removing device | |
| CN215269284U (en) | Integrated electrical control device of sewage treatment equipment | |
| CN220491866U (en) | Chip dust removal carrier and chip dust removal equipment thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |