CN112469206A - Auxiliary tool for PCB welding jig and using method thereof - Google Patents
Auxiliary tool for PCB welding jig and using method thereof Download PDFInfo
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- CN112469206A CN112469206A CN201910844137.8A CN201910844137A CN112469206A CN 112469206 A CN112469206 A CN 112469206A CN 201910844137 A CN201910844137 A CN 201910844137A CN 112469206 A CN112469206 A CN 112469206A
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- pcb
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- 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
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- 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
- H05K3/22—Secondary treatment of printed circuits
- H05K3/26—Cleaning or polishing of the conductive pattern
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/08—Treatments involving gases
- H05K2203/081—Blowing of gas, e.g. for cooling or for providing heat during solder reflowing
Abstract
The invention discloses an auxiliary tool for a PCB welding jig and a using method thereof, belonging to the technical field of PCB welding, the auxiliary tool for the PCB welding jig comprises a workbench, an auxiliary rotating shaft, a bearing seat and a servo motor, wherein the upper end of the workbench is fixedly connected with a supporting plate, the front end of the supporting plate is fixedly connected with three loading discs, the left side of the supporting plate is provided with an air blowing base, the lower end of the air blowing base is fixedly connected with the workbench, the upper end of the air blowing base is rotatably connected with an air blowing nozzle, the right side of the supporting plate is provided with a longitudinal movement limiting frame, the lower end of the longitudinal movement limiting frame is fixedly connected with the workbench, the middle of the longitudinal movement limiting frame is provided with a longitudinal movement sliding hole, a processing platform rod is arranged in the longitudinal movement sliding hole and is in sliding connection with the inner wall of the longitudinal movement sliding hole, the PCB before the welding procedure can be cleaned, and oxides, the occurrence of poor contact between the electronic element and the PCB caused by dirt is reduced, and the yield of the PCB is improved.
Description
Technical Field
The invention relates to the technical field of PCB welding, in particular to an auxiliary tool for a PCB welding jig and a using method thereof.
Background
A PCB, i.e., a printed circuit board, also called a PCB, is a provider of electrical connection of electronic components. Its development has been over 100 years old; the design of the method is mainly layout design; the circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate. The circuit board can be divided into single-sided boards, double-sided boards, four-sided boards, six-sided boards and other multi-layered circuit boards according to the number of the layers of the circuit board, and the printed circuit board is not a common end product, so the definition of the name is somewhat disordered, for example: the motherboard for a personal computer is called a motherboard and cannot be directly called a circuit board, and although the circuit board exists in the motherboard, the motherboard is different from the motherboard, so that the two aspects cannot be said to be the same when evaluating the industry. For another example: because of the integrated circuit components mounted on the circuit board, the news media is called an IC board, but it is not substantially identical to a printed circuit board. By printed circuit board we generally say bare board-i.e. a circuit board without upper components.
In present PCB board welding, electronic components appears rocking easily, and the baffle that generally adopts the L shape at present is fixed to the PCB board, but when PCB board area is great, often can fix insecure, needs to increase the length of baffle, and when PCB board area is less, too long baffle also can have certain influence to the welding, and the practicality is relatively poor, and application scope is narrow. Therefore, the PCB is inconvenient to weld, the welding speed is low, and the precision is low. Meanwhile, the temperature of the PCB is too high in the process of welding the electronic components, so that the electronic components are easily damaged, and a lot of dust and scraps can be remained on the PCB in the welding process, so that the welding of the subsequent electronic components can be greatly influenced, and the welding quality of the PCB is influenced. In addition, at present, one welding jig is adopted to fix one PCB, and the PCB needs to be replaced again after one-time welding is finished, thus greatly reducing the welding efficiency, the Chinese invention publication No. CN106341958B discloses a PCB welding jig, which comprises a rotatable workbench, at least one groove is arranged on the upper surface of the workbench, a plurality of suckers are distributed in the groove, the suckers are connected to a vacuum generator through pipelines, a tray is arranged in the groove, the tray is positioned above the sucker, the lower surface of the tray is contacted with the sucker, a supporting plate is vertically fixed on the upper surface of the tray, a plurality of loading discs are fixedly connected along the height direction of the supporting plate, the projections of the loading discs fall into the tray, and a PCB clamping mechanism is fixed on the upper surface of the loading disc, and the size range of a space surrounded by the PCB clamping mechanism is adjustable. The remarkable effects are as follows: can be firm fix the polylith PCB board in welding process to make the PCB board rotate steadily, and adaptable not equidimension PCB board, it is efficient, can also get rid of remaining dust and sweeps on the PCB board, reduce temperature.
According to the technical scheme, a plurality of PCBs can be fixed in the welding process, the PCBs can stably rotate, meanwhile, residual dust and scraps on the PCBs can be removed, and the temperature is reduced.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an auxiliary tool for a PCB welding jig and a using method thereof, which can clean a PCB before a welding procedure is carried out, remove oxides and adhered oil stains generated on the PCB, reduce the occurrence of poor contact between an electronic element and the PCB caused by dirt, and improve the yield of the PCB.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A PCB welding jig auxiliary tool and a using method thereof comprise a workbench, an auxiliary rotating shaft, a bearing seat and a servo motor, wherein the upper end of the workbench is fixedly connected with a supporting plate, the front end of the supporting plate is fixedly connected with three loading discs, the left side of the supporting plate is provided with a blowing base, the lower end of the blowing base is fixedly connected with the workbench, the upper end of the blowing base is rotatably connected with a blowing nozzle, the right side of the supporting plate is provided with a longitudinal movement limiting frame, the lower end of the longitudinal movement limiting frame is fixedly connected with the workbench, a longitudinal movement sliding hole is formed in the middle of the longitudinal movement limiting frame, a processing platform rod is arranged in the longitudinal movement sliding hole and is in sliding connection with the inner wall of the longitudinal movement sliding hole, so that the PCB before a welding process is carried out can be cleaned, oxides and adhered oil stains generated on the PCB are removed, and the occurrence of poor contact between an electronic element and the PCB, the yield of the PCB is improved.
Further, indulge on moving spacing from preceding backward and cut out and have three location quad slit, location quad slit sliding connection has square bayonet lock pole, processing platform pole right-hand member cuts out the screens slide opening, processing platform pole passes through screens slide opening and square bayonet lock pole sliding connection, square bayonet lock pole rear end threaded connection has fastening nut, through sliding connection's processing platform pole on moving spacing to indulge and through square bayonet lock pole location, is convenient for carry out the adhesion clearance to the PCB board that the loading dish placed in the backup pad.
Further, it has the gas injection slide opening to open in the middle of the processing platform pole, be equipped with the air entrainment piston rod in the gas injection slide opening, the air entrainment piston rod passes through gas injection slide opening and processing platform pole sliding connection, air entrainment piston rod downside is equipped with adhesion gasbag frame, adhesion gasbag frame upper end fixedly connected with gas injection case, gas injection case and air entrainment piston rod sliding connection, the equal fixedly connected with side of both ends is put up about the gas injection case, both ends respectively with processing platform pole and adhesion gasbag frame fixed connection about the side is put up firmly, through gas entrainment piston rod and the gas injection case of addding in the processing platform pole, be convenient for drive the air current through removing the air entrainment piston rod and bulge into in gas injection case and the adhesion gasbag frame.
Further, the circular piston plate of air entrainment piston rod lower extreme fixedly connected with, the air entrainment piston rod passes through circular piston plate and gas injection case sliding connection, it has two suction holes to open the chisel in gas injection case upper end, it has two through-flow holes to open on the circular piston plate, circular piston plate lower extreme rotates and is connected with one-way limit gas reed, through the circular piston plate of addding at air entrainment piston rod lower extreme, is convenient for remove the air entrainment piston rod and drives circular piston plate, and it is gaseous to the gas injection case lower extreme drum.
Furthermore, the lower end of the adhesion air bag frame is provided with an air storage square groove, the side wall of the air storage square groove is fixedly connected with an annular clamp, an elastic air bag film is fixedly connected in the annular clamp, a one-way air inlet valve is arranged on the lower side of the air injection box, a rear support rod is fixedly connected in the one-way air inlet valve, a fixed central shaft rod is fixedly connected to the upper end of the rear support rod, a compression spring is sleeved at the outer end of the fixed central shaft rod, an air limiting movable ball is fixedly connected to the upper end of the compression spring, and air entering the lower ends of the adhesion air bag frame and the air injection box is limited by the fixed central shaft rod, the compression spring and the air limiting movable ball which are arranged on the rear support rod, so that air can enter the lower end of the adhesion air bag frame through the one-way air inlet.
Further, the hole of disappointing is dug to adhesion gasbag frame upper end, it is equipped with the exhaust screw stopper to lose heart downthehole, exhaust screw stopper and the downthehole threaded connection that loses heart, through the hole of disappointing that adds on adhesion gasbag frame, be convenient for arrange outside the gas of storing between adhesion gasbag frame and the elasticity gasbag membrane, be convenient for use next time.
Further, circular piston plate outer end cover is equipped with rubber gas seal ring, rubber gas seal ring closely laminates with gas injection case inner wall, through the rubber gas seal ring of addding in circular piston plate outer end, is convenient for strengthen the sealed effect of gas injection case to gas.
Further, be rectangular pole in the middle of the square bayonet lock pole, square bayonet lock pole rear end is the threaded rod, threaded rod and fastening nut phase-match are convenient for fix the processing platform pole of indulging on moving the spacing through dividing into rectangular pole and threaded rod with square bayonet lock pole.
Furthermore, a spring backing ring is sleeved on the square bayonet rod and is in sliding connection with the square bayonet rod, and the fastening effect of the fastening nut on the square bayonet rod is enhanced conveniently through the spring backing ring sleeved on the square bayonet rod.
Furthermore, the exhaust screw plug is sleeved with a plastic interlayer ring, the plastic interlayer ring is fixedly connected with one end of the exhaust screw plug, which is close to the adhesion air bag frame, and the plastic interlayer ring is additionally arranged on the exhaust screw plug, so that the plastic interlayer ring can enhance the sealing effect of the exhaust screw plug.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the PCB board that this scheme can realize going on before the welding process clears up, gets rid of the oxide that produces on the PCB board and the greasy dirt of adhesion, reduces the filth and causes the emergence of electronic component and PCB board bad contact condition, improves the yield of PCB board.
(2) Indulge and move and cut a hole from preceding backward on the spacing and have three location quad slit, location quad slit sliding connection has square bayonet lock pole, processing platform pole right-hand member cuts a hole has the screens slide opening, processing platform pole passes through screens slide opening and square bayonet lock pole sliding connection, square bayonet lock pole rear end threaded connection has fastening nut, through sliding connection's processing platform pole on indulging moving the spacing, and fix a position through square bayonet lock pole, be convenient for carry out the adhesion clearance to the PCB board that the loading dish was placed in the backup pad.
(3) The middle of the processing platform rod is provided with a gas injection sliding hole, a gas injection piston rod is arranged in the gas injection sliding hole, the gas injection piston rod is connected with the processing platform rod in a sliding mode through the gas injection sliding hole, the lower side of the gas injection piston rod is provided with an adhesion gas bag frame, the upper end of the adhesion gas bag frame is fixedly connected with a gas injection box, the gas injection box is connected with the gas injection piston rod in a sliding mode, the left end and the right end of the gas injection box are fixedly connected with a side edge fixing frame, the upper end and the lower end of the side edge fixing frame are respectively connected with the processing platform rod and the adhesion gas bag frame in a fixed mode, the gas injection piston rod and the gas injection box are additionally arranged in the processing platform rod, and the gas injection box and the adhesion gas bag frame.
(4) The lower end of the gas filling piston rod is fixedly connected with a circular piston plate, the gas filling piston rod is in sliding connection with a gas filling box through the circular piston plate, the upper end of the gas filling box is provided with two gas suction holes in a chiseling mode, the circular piston plate is provided with two through holes, the lower end of the circular piston plate is rotatably connected with a one-way gas limiting reed, and the gas filling piston rod can be conveniently moved to drive the circular piston plate to blow gas into the lower end of the gas filling box through the circular piston plate additionally arranged at the lower end of the gas filling piston rod.
(5) The adhesion gasbag frame lower extreme is dug there is the gas storage square groove, gas storage square groove lateral wall fixedly connected with annular clamp presss from both sides, fixedly connected with elasticity gasbag membrane in the annular clamp presss from both sides, gas injection case box downside is equipped with one-way admission valve, support the hack lever behind the fixedly connected with in the one-way admission valve, back support the hack lever upper end fixedly connected with axle lever in the fixed center, axle lever outer pot head is equipped with compression spring in the centering, compression spring upper end fixedly connected with limit gas movable ball, through the axle lever in the fixed center that is equipped with on the hack lever after, compression spring, limit gas movable ball, be convenient for injectd the gas that gets into adhesion gasbag frame and gas injection case box lower extreme, make gas only can get into adhesion gasbag frame lower extreme through one-way admission valve, can not.
(6) The upper end of the adhesion air bag frame is provided with an air leakage hole, an exhaust screw plug is arranged in the air leakage hole, the exhaust screw plug is in threaded connection with the air leakage hole, and the air stored between the adhesion air bag frame and the elastic air bag film is conveniently discharged outwards through the air leakage hole additionally arranged on the adhesion air bag frame, so that the next use is facilitated.
(7) The outer end cover of circular piston plate is equipped with rubber gas seal ring, and rubber gas seal ring closely laminates with gas injection case inner wall, through the rubber gas seal ring that adds in circular piston plate outer end, is convenient for strengthen the sealed effect of gas injection case to gas.
(8) The middle of the square clamping pin rod is a rectangular rod, the rear end of the square clamping pin rod is a threaded rod, the threaded rod is matched with the fastening nut, and the square clamping pin rod is divided into the rectangular rod and the threaded rod, so that the machining platform rod on the longitudinal movement limiting frame can be conveniently fixed.
(9) The square bayonet rod is sleeved with the spring backing ring, the spring backing ring is connected with the square bayonet rod in a sliding mode, and the spring backing ring sleeved on the square bayonet rod facilitates enhancing the fastening effect of the fastening nut on the square bayonet rod.
(10) The exhaust screw plug is sleeved with a plastic interlayer ring, the plastic interlayer ring is fixedly connected with one end of the exhaust screw plug close to the adhesion air bag frame, and the plastic interlayer ring is additionally arranged on the exhaust screw plug, so that the sealing effect of the exhaust screw plug is enhanced by the plastic interlayer ring.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the longitudinal movement limiting frame of the present invention;
FIG. 4 is a schematic structural view of an adhered air bag holder portion of the present invention;
fig. 5 is a schematic structural diagram at B in fig. 4.
The reference numbers in the figures illustrate:
1 workbench, 2 auxiliary rotating shafts, 3 bearing seats, 4 servo motors, 5 air blowing bases, 6 air blowing nozzles, 7 supporting plates, 8 loading plates, 9 longitudinal movement limiting frames, 10 processing platform rods, 11 square clamping pin rods, 12 air feeding piston rods, 13 adhesion air bag frames, 14 air injection box boxes, 15 fastening nuts, 16 annular clamping hoop clamps, 17 elastic air bag membranes, 18 circular piston plates, 19 one-way air inlet valves, 20 rear supporting plate plates, 21 centering shaft rods, 22 compression springs, 23 air limiting movable balls, 24 exhaust screw rod plugs and 25 side stabilizing frames.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification 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 should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements.
Example 1:
referring to fig. 1-5, an auxiliary tool for a PCB welding jig and a method for using the same, comprising a worktable 1, an auxiliary rotating shaft 2, a bearing seat 3 and a servo motor 4, wherein the upper end of the worktable 1 is fixedly connected with a supporting plate 7, the front end of the supporting plate 7 is fixedly connected with three loading discs 8, the left side of the supporting plate 7 is provided with an air blowing base 5, the lower end of the air blowing base 5 is fixedly connected with the worktable 1, the upper end of the air blowing base 5 is rotatably connected with an air blowing nozzle 6, the right side of the supporting plate 7 is provided with a longitudinal movement limiting frame 9, the lower end of the longitudinal movement limiting frame 9 is fixedly connected with the worktable 1, the middle of the longitudinal movement limiting frame 9 is provided with a longitudinal movement sliding hole, a processing platform rod 10 is arranged in the longitudinal movement sliding hole, the processing platform rod 10 is slidably connected with the inner wall of the longitudinal movement sliding hole, thereby realizing the cleaning of the PCB before the welding process, removing the oxides and the, the yield of the PCB is improved.
Please refer to fig. 3, three positioning square holes are drilled from front to back on the longitudinal movement limiting frame 9, the positioning square holes are slidably connected with a square clamping pin rod 11, a clamping slide hole is drilled at the right end of the processing platform rod 10, the processing platform rod 10 is slidably connected with the square clamping pin rod 11 through the clamping slide hole, the rear end of the square clamping pin rod 11 is in threaded connection with a fastening nut 15, the processing platform rod 10 is slidably connected with the longitudinal movement limiting frame 9, and the positioning is performed through the square clamping pin rod 11, so that the PCB placed on the loading disc 8 on the supporting plate 7 can be conveniently adhered and cleaned.
Referring to fig. 4, a gas injection sliding hole is drilled in the middle of the processing platform rod 10, a gas injection piston rod 12 is arranged in the gas injection sliding hole, the gas injection piston rod 12 is slidably connected with the processing platform rod 10 through the gas injection sliding hole, an adhesive gas bag frame 13 is arranged on the lower side of the gas injection piston rod 12, a gas injection box 14 is fixedly connected to the upper end of the adhesive gas bag frame 13, the gas injection box 14 is slidably connected with the gas injection piston rod 12, side stabilizing frames 25 are fixedly connected to the left end and the right end of the gas injection box 14, the upper end and the lower end of each side stabilizing frame 25 are fixedly connected with the processing platform rod 10 and the adhesive gas bag frame 13, and gas injection piston rod 12 and the gas injection box 14 are additionally arranged in the processing platform rod 10 so that gas flow can be driven to be blown into the gas injection box 14 and the adhesive gas bag frame 13 by moving the gas injection piston rod.
Referring to fig. 5, a circular piston plate 18 is fixedly connected to the lower end of the gas-filling piston rod 12, the gas-filling piston rod 12 is slidably connected to the gas-filling box 14 through the circular piston plate 18, two gas-suction holes are drilled in the upper end of the gas-filling box 14, two through holes are drilled in the circular piston plate 18, a one-way gas-limiting reed is rotatably connected to the lower end of the circular piston plate 18, and the circular piston plate 18 is additionally arranged at the lower end of the gas-filling piston rod 12 to facilitate movement of the gas-filling piston rod 12 to drive the circular piston plate 18 and to blow gas into the lower end of the gas-filling box.
Referring to fig. 4, the lower end of the adhered air bag frame 13 is chiseled with an air storage square groove, the side wall of the air storage square groove is fixedly connected with an annular clamp 16, the interior of the annular clamp 16 is fixedly connected with an elastic air bag film 17, the lower side of the air injection box 14 is provided with a one-way air inlet valve 19, the interior of the one-way air inlet valve 19 is fixedly connected with a rear support rod 20, the upper end of the rear support rod 20 is fixedly connected with a fixed central shaft rod 21, the outer end of the fixed central shaft rod 21 is sleeved with a compression spring 22, the upper end of the compression spring 22 is fixedly connected with an air limiting movable ball 23, the fixed central shaft rod 21, the compression spring 22 and the air limiting movable ball 23 arranged on the rear support rod 20 are convenient for limiting air entering the lower ends of the adhered air bag frame 13 and the air injection box 14, so that the air can only enter the lower end of the adhered air bag frame 13 through the one-way air inlet valve 19 and can not be discharged from the, the elastic air bag membrane 17 is expanded and deformed, the expanded elastic air bag membrane 17 is tightly attached to the surface layer of the PCB on the loading disc 8, and oil stains and dirt adhered to the PCB on the loading disc 8 are cleaned by the expanded surface layer of the elastic air bag membrane 17.
Referring to fig. 4, an air release hole is drilled at the upper end of the adhesive air bag frame 13, an exhaust screw plug 24 is arranged in the air release hole, the exhaust screw plug 24 is in threaded connection with the air release hole, and the air stored between the adhesive air bag frame 13 and the elastic air bag membrane 17 is conveniently discharged outwards through the air release hole additionally arranged on the adhesive air bag frame 13, so that the air can be conveniently used next time.
Referring to fig. 4, the outer end of the circular piston plate 18 is sleeved with a rubber gas seal ring, the rubber gas seal ring is tightly attached to the inner wall of the gas injection box 14, and the rubber gas seal ring is additionally arranged at the outer end of the circular piston plate 18, so that the sealing effect of the gas injection box 14 on gas is enhanced.
Referring to fig. 3, the middle of the square locking pin rod 11 is a rectangular rod, the rear end of the square locking pin rod 11 is a threaded rod, the threaded rod is matched with the fastening nut 15, and the square locking pin rod 11 is divided into the rectangular rod and the threaded rod, so that the processing platform rod 10 on the longitudinal movement limiting frame 9 can be conveniently fixed.
Referring to fig. 3, the square bayonet rod 11 is sleeved with a spring backing ring, the spring backing ring is slidably connected with the square bayonet rod 11, and the spring backing ring sleeved on the square bayonet rod 11 is convenient for enhancing the fastening effect of the fastening nut 15 on the square bayonet rod 11.
Referring to fig. 4, a plastic interlayer ring is sleeved on the exhaust screw plug 24, and the plastic interlayer ring is fixedly connected with one end of the exhaust screw plug 24 close to the adhesion air bag frame 13, so that the plastic interlayer ring is convenient to enhance the sealing effect of the exhaust screw plug 24 by the plastic interlayer ring additionally arranged on the exhaust screw plug 24.
The invention can clean the PCB before the welding process, remove the oxide and the adhered oil stain generated on the PCB, reduce the bad contact between the electronic element and the PCB caused by the dirt and improve the yield of the PCB.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a PCB board welding jig appurtenance and application method thereof, includes workstation (1), supplementary pivot (2), bearing frame (3) and servo motor (4), its characterized in that: workstation (1) upper end fixedly connected with backup pad (7), three loading dish (8) of backup pad (7) front end fixedly connected with, backup pad (7) left side is equipped with base (5) of blowing, base (5) lower extreme and workstation (1) fixed connection blow, base (5) upper end of blowing rotates and is connected with blowing nozzle (6), backup pad (7) right side is equipped with indulges and moves spacing (9), indulge and move spacing (9) lower extreme and workstation (1) fixed connection, it has indulge the sliding hole to cut in the middle of spacing (9) to indulge, indulge and move sliding hole and be equipped with processing platform pole (10), processing platform pole (10) with indulge sliding hole inner wall sliding connection.
2. The auxiliary tool for PCB welding jig and the using method thereof of claim 1 are characterized in that: indulge and move spacing (9) and go up from front to back and cut out and have three location quad slit, location quad slit sliding connection has square cotter pole (11), processing platform pole (10) right-hand member is cut out and is had the screens slide opening, processing platform pole (10) are through screens slide opening and square cotter pole (11) sliding connection, square cotter pole (11) rear end threaded connection has fastening nut (15).
3. The auxiliary tool for PCB welding jig and the using method thereof as claimed in claim 2, wherein: the middle of processing platform pole (10) is dug there is the gas injection slide opening, be equipped with air entrainment piston rod (12) in the gas injection slide opening, air entrainment piston rod (12) are through gas injection slide opening and processing platform pole (10) sliding connection, air entrainment piston rod (12) downside is equipped with adhesion gasbag frame (13), adhesion gasbag frame (13) upper end fixedly connected with gas injection case (14), gas injection case (14) and air entrainment piston rod (12) sliding connection, the equal fixedly connected with side steady frame (25) in both ends about gas injection case (14), both ends respectively with processing platform pole (10) and adhesion gasbag frame (13) fixed connection about side steady frame (25).
4. The auxiliary tool for PCB welding jig and the using method thereof as claimed in claim 3, wherein: the circular piston plate (18) of air entrainment piston rod (12) lower extreme fixedly connected with, air entrainment piston rod (12) are through circular piston plate (18) and gas injection case (14) sliding connection, the excavation has two suction holes on gas injection case (14), the excavation has two through-flow holes on circular piston plate (18), circular piston plate (18) lower extreme rotates and is connected with one-way limit gas reed.
5. The auxiliary tool for PCB welding jig and the using method thereof as claimed in claim 3, wherein: the air storage square groove is chiseled to adhesion gasbag frame (13) lower extreme, air storage square groove lateral wall fixedly connected with annular clamp presss from both sides (16), fixedly connected with elasticity gasbag membrane (17) in annular clamp presss from both sides (16), gas injection case (14) downside is equipped with one-way admission valve (19), prop hack lever (20) behind the one-way admission valve (19) internal fixation connected with, after prop hack lever (20) upper end fixedly connected with in the centering axostylus axostyle (21), in the centering axostylus axostyle (21) outer pot head is equipped with compression spring (22), compression spring (22) upper end fixedly connected with limit gas activity ball (23).
6. The auxiliary tool for PCB welding jig and the using method thereof as claimed in claim 3, wherein: the air-release structure is characterized in that an air release hole is formed in the upper end of the adhesion air bag frame (13), an exhaust screw plug (24) is arranged in the air release hole, and the exhaust screw plug (24) is connected with the air release hole in a threaded manner.
7. The auxiliary tool for PCB welding jig and the using method thereof as claimed in claim 4, wherein: the outer end cover of circular piston board (18) is equipped with rubber air seal ring, rubber air seal ring and gas injection case box (14) inner wall closely laminate.
8. The auxiliary tool for PCB welding jig and the using method thereof as claimed in claim 2, wherein: the middle of the square clamping pin rod (11) is a rectangular rod, the rear end of the square clamping pin rod (11) is a threaded rod, and the threaded rod is matched with the fastening nut (15).
9. The auxiliary tool for PCB welding jig and the using method thereof as claimed in claim 2, wherein: the square pin clamping rod (11) is sleeved with a spring backing ring, and the spring backing ring is connected with the square pin clamping rod (11) in a sliding mode.
10. The auxiliary tool for PCB welding jig and the using method thereof as claimed in claim 6, wherein: the exhaust screw plug (24) is sleeved with a plastic interlayer ring, and the plastic interlayer ring is fixedly connected with one end, close to the adhesion air bag frame (13), of the exhaust screw plug (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910844137.8A CN112469206B (en) | 2019-09-06 | 2019-09-06 | Auxiliary tool for PCB welding jig and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910844137.8A CN112469206B (en) | 2019-09-06 | 2019-09-06 | Auxiliary tool for PCB welding jig and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112469206A true CN112469206A (en) | 2021-03-09 |
| CN112469206B CN112469206B (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910844137.8A Active CN112469206B (en) | 2019-09-06 | 2019-09-06 | Auxiliary tool for PCB welding jig and using method thereof |
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| CN (1) | CN112469206B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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|---|---|
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