CN218694703U - Hot air reflow welding machine - Google Patents

Abstract

The utility model belongs to the technical field of reflow soldering machines, in particular to a hot air reflow soldering machine, which comprises a machine body; through actuating mechanism's setting, when a material incasement PCB board storage is full, the workman can press the button on the organism, start the air pump, the high-pressure gas that the air pump produced is in the leading-in adjustment tank of pipe and intake pipe, then, act on the one end of driving plate, high-pressure gas promotes the driving plate and removes, the driving plate passes through the rack and drives gear revolve's angle and be 180, the gear drives the transfer line turned angle through the actuating lever and is 180, then the transfer line drives and places the platform and two material casees on it rotate, make the material case that is full of PCB board rotate to the opposite side, make the material case that does not load PCB board rotate to its drive belt below, material case and PCB board are in parallel state promptly, just there is the leading-in of PCB board, and in this process, need not the organism to shut down, can continuously carry out the welding of PCB board, and the welding machine efficiency has been improved.

Description

Hot air reflow welding machine

Technical Field

The utility model relates to a reflow soldering machine technical field specifically is a hot-blast reflow soldering machine.

Background

Reflow soldering machines, also called reflow soldering machines or "reflow ovens," are devices that reliably join surface mount components and PCB pads together through solder paste alloys by providing a heated environment to melt the solder paste, and are classified into hot air reflow soldering, gas phase reflow soldering, laser reflow soldering, hot plate reflow soldering, and the like according to the heating method.

And hot-blast backward flow welding machine usually can be provided with the collecting box at its discharge gate for collect the PCB board after the welding, scald operating personnel with the waste heat of avoiding PCB board after the welding.

However, in order to ensure the production efficiency, the hot air reflow soldering machine used in the PCB production line usually uninterruptedly drops the PCB into the feed inlet of the hot air reflow soldering machine, so that workers are liable to have no time to replace the collecting box storing the PCB, and usually the hot air reflow soldering machine needs to be stopped, which consumes much labor and time, affects the soldering efficiency of the PCB, and then affects the overall processing efficiency of the factory; therefore, a hot air reflow soldering machine is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, the hot-blast backward flow welding machine that uses in PCB production water line, for guaranteeing production efficiency, can be incessant usually drops into the PCB board in the feed inlet of hot-blast backward flow welding machine, lead to the workman to come too late to change the collecting box of storing full PCB board easily, need stop hot-blast backward flow welding machine usually, this process manpower and time all consume great, and influence the welding efficiency of PCB board, influence the problem of the holistic machining efficiency of mill then, the utility model provides a hot-blast backward flow welding machine.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a hot air reflow welding machine, which comprises a machine body; a driving box is fixedly mounted at one end of the machine body, a placing table is rotatably mounted on the driving box through a transmission rod, a material box is arranged at the top of the placing table, a placing frame is fixedly mounted at the top of the placing table, the bottom end of the material box is inserted into a placing groove formed in the placing frame, an embedding groove is formed in one side face of the placing frame, and the embedding groove is communicated with the placing groove;

be provided with actuating mechanism in the drive case, actuating mechanism is including seting up the adjustment tank in the drive case, the actuating lever of rotating the connection is installed to the inner diapire of adjustment tank, the bottom fixed connection of drive plate and through shaft coupling and transfer line is run through on the top of actuating lever, fixed connection's gear is installed to the outer wall circumference that the actuating lever is located the adjustment tank, install sliding connection's driving plate in the adjustment tank, the mounting groove has been seted up to a side that the driving plate is close to the gear, the mounting groove is close to a side of gear and installs fixed connection's rack, the rack is connected with gear engagement, fixed connection's intake pipe is installed to a side of drive case, the intake pipe communicates with the adjustment tank mutually.

Preferably, the both ends of driving plate all are provided with sealed the pad, the driving plate is provided with two sets ofly, and two sets of driving plate dislocation symmetric distribution.

Preferably, the material case is provided with two sets of, and two sets of material case symmetric distribution, be provided with auxiliary assembly in the material case, auxiliary assembly is including seting up the logical groove in material case one side, it installs sliding connection's baffle to lead to the inslot, sliding connection's backup pad is installed to the inside wall of material case, the bottom of backup pad is through supporting spring and the interior diapire elastic connection of material case.

Preferably, pulleys are movably mounted on the periphery of the bottom of the placing table, and an annular groove matched with the pulleys is formed in the top of the driving box.

Preferably, be provided with spacing subassembly on the rack, spacing subassembly is including seting up the spacing groove in the rack, sliding connection's sliding block is installed to the spacing inslot, the one end of sliding block is through the inside wall elastic connection of spacing spring with the spacing groove, the toper piece that the other end of sliding block was installed, gomphosis inslot inside wall has been seted up and has been run through the groove, run through the groove and be linked together with the spacing groove, the one end of toper piece is passed and is run through the groove and communicate with the external world.

Preferably, the inner wall and the outer wall of the material box are provided with rubber pads, and the outer surface of the supporting plate is provided with the rubber pads.

The utility model discloses an useful part lies in:

1. the utility model discloses a drive mechanism's setting, when a material incasement PCB board storage is full, the workman can press the button on the organism, start the air pump, the high-pressure gas that the air pump produced is via the pipe in the leading-in adjustment tank of intake pipe, then, act on the one end at the driving plate, it removes to promote the driving plate, the driving plate passes through the rack and drives gear revolve's angle and be 180, the gear drives the transfer line turned angle through the actuating lever and is 180, then the transfer line drives and places the platform and two material casees on it rotate, make the material case that is fully loaded with the PCB board rotate to the opposite side, make the material case that does not load the PCB board rotate to its drive belt below, promptly material case and PCB board are in parallel state, just there is the leading-in of PCB board, and at this in-process, need not to shut down by the organism, can continuously carry out the welding of PCB board, and the welding machine efficiency has been improved.

2. The utility model discloses a setting of spacing subassembly, the cooperation rack of being convenient for is used, carries on spacingly to the material case, specifically for when will taking off the material case of filling with the PCB board, because of the material case is heavier, is not convenient for carry and draws, can press down the toper piece this moment, and the toper piece retraction spacing inslot, the toper piece passes through the sliding block simultaneously and applys pressure to spacing spring, then to sheltering from spacing contact of material bottom of the case end, then this moment can pull out the material case or release the standing groove.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of a first embodiment;

FIG. 2 is a schematic partial cross-sectional view illustrating an embodiment of a first embodiment of the present invention;

FIG. 3 is a schematic diagram of a second embodiment of a partial cross-sectional structure;

FIG. 4 is a third schematic partial sectional view according to the first embodiment;

FIG. 5 is a schematic diagram of the structure at A in FIG. 2 according to the first embodiment;

FIG. 6 is a schematic diagram of the structure at B in FIG. 2 according to the first embodiment;

FIG. 7 is a schematic diagram of the structure at C in FIG. 3 according to the first embodiment;

fig. 8 is a schematic structural view of the whole second embodiment.

In the figure: 1. a body; 2. a fitting groove; 3. a drive box; 4. a transmission rod; 5. a placing table; 6. a material box; 7. a drive mechanism; 71. an adjustment groove; 72. a drive rod; 73. a gear; 74. a drive plate; 75. mounting grooves; 76. a rack; 77. an air inlet pipe; 8. an auxiliary component; 81. a through groove; 82. a baffle plate; 83. a support plate; 84. a support spring; 9. a limiting component; 91. a limiting groove; 92. a slider; 93. a conical block; 94. a through groove; 10. placing a rack; 11. a placement groove; 12. a pulley; 13. an annular groove; 14. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-7, a hot air reflow soldering machine includes a machine body 1; a driving box 3 is fixedly mounted at one end of the machine body 1, a placing table 5 is rotatably mounted on the driving box 3 through a transmission rod 4, a material box 6 is arranged at the top of the placing table 5, a placing frame 10 is fixedly mounted at the top of the placing table 5, the bottom end of the material box 6 is inserted into a placing groove 11 formed in the placing frame 10, an embedding groove 2 is formed in one side face of the placing frame 10, and the embedding groove 2 is communicated with the placing groove 11;

a driving mechanism 7 is arranged in the driving box 3, the driving mechanism 7 comprises an adjusting groove 71 arranged in the driving box 3, a driving rod 72 in rotary connection is arranged on the inner bottom wall of the adjusting groove 71, the top end of the driving rod 72 penetrates through the driving plate and is fixedly connected with the bottom end of the driving rod 4 through a coupler, a gear 73 in fixed connection is arranged on the circumference of the outer wall of the driving rod 72, which is positioned on the adjusting groove 71, a driving plate 74 in sliding connection is arranged in the adjusting groove 71, an installation groove 75 is arranged on one side surface of the driving plate 74, which is close to the gear 73, a rack 76 in fixed connection is arranged on one side surface of the installation groove 75, which is close to the gear 73, the rack 76 is in meshing connection with the gear 73, an air inlet pipe 77 in fixed connection is arranged on one side surface of the driving box 3, and the air inlet pipe 77 is communicated with the adjusting groove 71; when in work, because the hot air reflow soldering machine used in the PCB production line usually uninterruptedly puts the PCB into the feed inlet of the hot air reflow soldering machine to ensure the production efficiency, the workers are easy to have no time to replace the collecting box which is fully stored with the PCB, the hot air reflow soldering machine is usually stopped, the manpower and time consumption in the process are large, and the welding efficiency of the PCB is influenced, and the whole processing efficiency of a factory is influenced, therefore, the welding machine is adopted, specifically, the air ports of two external air pumps are respectively connected with two air inlet pipes 77 through the guide pipes, and are sealed, the machine body 1 is started, and the PCB is quantitatively put into the machine body in a subsection way, when the welded PCB is guided out to the discharge outlet on the machine body 1 through the conveyor belt in the machine body 1, the welded PCB falls into the material box 6 with the top flush with the conveyor belt, and passes through the arrangement of the driving mechanism 7, when the material box 6 is full of PCB, because two material boxes 6 are symmetrically arranged on the placing table 5, a worker can press a button on the machine body 1 to start the air pump, high-pressure air generated by the air pump is guided into the adjusting groove 71 through the guide pipe and the air inlet pipe 77 and then acts on one end of the transmission plate 74 to push the transmission plate 74 to move, the movable distance of the transmission plate 74 is a set value, the length of the rack 76 on the transmission plate is also a set value, the transmission plate 74 drives the gear 73 to rotate through the rack 76, the gear 73 drives the transmission rod 4 to rotate through the driving rod 72, the transmission rod 4 drives the placing table 5 and the two material boxes 6 on the transmission plate to rotate, so that the material box 6 full of PCB is rotated to the other side, the material box 6 without PCB is rotated to the lower side of the transmission belt, namely the material boxes 6 and the PCB are in a parallel state, then just, it can not squint to guarantee placing platform 5 after the rotation, material case 6 is parallel with the drive belt promptly, just there is the leading-in of PCB board, and at this in-process, need not organism 1 and shut down, can continuously carry out the welding of PCB board, and the welding efficiency has been improved, thereby the hot-blast backward flow welding machine who uses in PCB production water line has been solved, for guaranteeing production efficiency, generally can be incessant drop into the PCB board in the feed inlet of hot-blast backward flow welding machine, lead to the workman to come too late to change the collecting box of saving full PCB board, hot-blast backward flow welding machine need stop usually, this process manpower and time all consume great, and influence the welding efficiency of PCB board, then influence the problem of the holistic machining efficiency of mill.

Two ends of the transmission plate 74 are provided with sealing gaskets, two groups of transmission plates 74 are arranged, and the two groups of transmission plates 74 are distributed in a staggered and symmetrical mode; the during operation, through the setting of sealed the pad, guaranteed then that gaseous effect that can be stable is at the one end of driving plate 74, guaranteed the stability that driving plate 74 removed, and the dislocation symmetric distribution of two sets of driving plates 74 forms stable reciprocal drive assembly.

The material box 6 is provided with two groups, the two groups of material boxes 6 are symmetrically distributed, an auxiliary assembly 8 is arranged in each material box 6, each auxiliary assembly 8 comprises a through groove 81 formed in one side of each material box 6, a baffle 82 in sliding connection is installed in each through groove 81, a supporting plate 83 in sliding connection is installed on the inner side wall of each material box 6, and the bottom end of each supporting plate 83 is elastically connected with the inner bottom wall of each material box 6 through a supporting spring 84; during operation, through the setting of auxiliary assembly 8, take out baffle 82, be convenient for then take out the PCB board that is located in material case 6, and backup pad 83 cooperation supporting spring 84 uses, is convenient for then along with the increase of the quantity that the PCB board put into, and backup pad 83 moves down gradually, and then backup pad 83 applys pressure to supporting spring 84.

Pulleys 12 are movably mounted on the periphery of the bottom of the placing table 5, and an annular groove 13 matched with the pulleys 12 is formed in the top of the driving box 3; the during operation uses through pulley 12 and ring channel 13 cooperation, and a plurality of pulleys 12 are convenient for place the rotation of platform 5 simultaneously to placing platform 5 and support, and ring channel 13's setting, a plurality of pulleys 12 are at ring channel 13 internal rotations then.

The rack 10 is provided with a limiting assembly 9, the limiting assembly 9 comprises a limiting groove 91 arranged in the rack 10, a sliding block 92 in sliding connection is arranged in the limiting groove 91, one end of the sliding block 92 is elastically connected with the inner side wall of the limiting groove 91 through a limiting spring, a conical block 93 is arranged at the other end of the sliding block 92, a through groove 94 is arranged on the inner side wall of the embedding groove 2, the through groove 94 is communicated with the limiting groove 91, and one end of the conical block 93 penetrates through the through groove 94 and is communicated with the outside; the during operation, through the setting of spacing subassembly 9, the cooperation rack 10 of being convenient for uses, it is spacing to carry out material case 6, specifically for when taking off the material case 6 of filling with the PCB board, because of material case 6 is heavier, be not convenient for carry and draw, can press conical block 93 this moment, conical block 93 contracts into spacing groove 91 in, conical block 93 applys pressure to spacing spring through sliding block 92 simultaneously, then to the spacing contact of sheltering from of material case 6 bottom, then this moment can pull out or release standing groove 11 with material case 6.

Rubber pads are arranged on the inner wall and the outer wall of the material box 6, and rubber pads are arranged on the outer surface of the supporting plate 83; during operation, the inner wall and the outer wall of the material box 6 are provided with rubber pads, and the rubber pads are arranged on the outer surface of the supporting plate 83, so that protection is provided for a PCB entering the material box 6.

Example two

Referring to fig. 8, in a first comparative example, as another embodiment of the present invention, heat dissipation holes 14 are formed in the material tank 6; during operation, through having seted up a plurality of louvres 14 on material case 6, be convenient for then leading-in the waste heat of PCB board, subsequent further processing of being convenient for.

The working principle is that the air ports of two external air pumps are respectively connected with two air inlet pipes 77 through guide pipes and are sealed, the machine body 1 is started, PCB plates are quantitatively and sectionally put into the machine body, when the welded PCB plates are guided out to the discharge port on the machine body 1 through the conveyor belt in the machine body 1, the welded PCB plates fall into the material box 6 with the top flush with the conveyor belt, through the arrangement of the driving mechanism 7, when one material box 6 is full of the PCB plates, because two material boxes 6 are symmetrically arranged on the placing table 5, a worker can press a button on the machine body 1 to start the air pumps, high-pressure gas generated by the air pumps is guided into the adjusting groove 71 through the guide pipes and the air inlet pipes 77 and then acts on one end of the transmission plate 74 to push the transmission plate 74 to move, the movable distance of the transmission plate 74 is a set value, and the length of the racks 76 on the transmission plate is also a set value, the transmission plate 74 is ensured to drive the gear 73 to rotate by 180 degrees through the rack 76, the gear 73 drives the transmission rod 4 to rotate by 180 degrees through the driving rod 72, then the transmission rod 4 drives the placing platform 5 and the two material boxes 6 on the placing platform to rotate, so that the material boxes 6 fully loaded with the PCB are rotated to the other side, the material boxes 6 not loaded with the PCB are rotated to the lower part of the transmission belt, namely the material boxes 6 and the PCB are in a parallel state, and then the placing platform 5 after rotation is ensured not to deviate, namely the material boxes 6 are parallel to the transmission belt, so that the PCB can be led in, in the process, the machine body 1 is not required to be stopped, the welding of the PCB can be continuously carried out, the efficiency of the welding machine is improved, the arrangement of the limiting component 9 is convenient to be matched with the placing rack 10 for use, the limiting of the material boxes 6 is carried out, particularly, when the material boxes 6 filled with the PCB are required to be taken down, because the material boxes 6 are heavy, be not convenient for carry and draw, can press toper piece 93 this moment, toper piece 93 retraction spacing groove 91, toper piece 93 applys pressure to spacing spring through sliding block 92 simultaneously, then to the spacing contact of sheltering from of material case 6 bottom, then can pull out material case 6 or release standing groove 11 this moment, setting through auxiliary assembly 8, take out baffle 82, then be convenient for take out the PCB board that is located material case 6, and backup pad 83 cooperates supporting spring 84 to use, then be convenient for along with the increase of the quantity that the PCB board was put into, backup pad 83 moves down gradually, then backup pad 83 applys pressure to supporting spring 84.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (6)

1. A hot air reflow welding machine comprises a machine body (1); one end fixed mounting of organism (1) has drive case (3), drive case (3) are rotated through transfer line (4) and are installed and place platform (5), its characterized in that: the material box (6) is arranged at the top of the placing table (5), the placing frame (10) is fixedly installed at the top of the placing table (5), the bottom end of the material box (6) is inserted into a placing groove (11) formed in the placing frame (10), an embedding groove (2) is formed in one side face of the placing frame (10), and the embedding groove (2) is communicated with the placing groove (11);

be provided with actuating mechanism (7) in drive case (3), actuating mechanism (7) are including offering adjustment tank (71) in drive case (3), the interior diapire of adjustment tank (71) is installed and is rotated actuating lever (72) of connecting, the bottom fixed connection of drive plate and transmission pole (4) is run through on the top of actuating lever (72), fixed connection's gear (73) are installed to the outer wall circumference that actuating lever (72) are located adjustment tank (71), install sliding connection's driving plate (74) in adjustment tank (71), mounting groove (75) have been seted up to one side that driving plate (74) are close to gear (73), fixed connection's rack (76) are installed to one side that mounting groove (75) are close to gear (73), rack (76) are connected with gear (73) meshing, fixed connection's intake pipe (77) are installed to one side of drive case (3), intake pipe (77) are linked together with adjustment tank (71).

2. The hot air reflow soldering machine according to claim 1, wherein: the both ends of driving plate (74) all are provided with sealed the pad, driving plate (74) are provided with two sets ofly, and two sets of driving plate (74) dislocation symmetric distribution.

3. The hot air reflow soldering machine according to claim 1, wherein: the material case (6) are provided with two sets, and two sets of material case (6) symmetric distribution, be provided with auxiliary assembly (8) in material case (6), auxiliary assembly (8) are including offering logical groove (81) in material case (6) one side, install sliding connection's baffle (82) in leading to groove (81), sliding connection's backup pad (83) is installed to the inside wall of material case (6), the bottom of backup pad (83) is through supporting spring (84) and the interior diapire elastic connection of material case (6).

4. The hot air reflow soldering machine according to claim 1, wherein: all movable mounting have pulley (12) around placing platform (5) bottom, ring channel (13) with pulley (12) looks adaptation are seted up at the top of drive box (3).

5. The hot air reflow soldering machine according to claim 1, wherein: be provided with spacing subassembly (9) on rack (10), spacing subassembly (9) are including seting up spacing groove (91) in rack (10), install sliding connection's sliding block (92) in spacing groove (91), the inside wall elastic connection of spacing spring and spacing groove (91) is passed through to the one end of sliding block (92), toper piece (93) that the other end of sliding block (92) was installed, gomphosis groove (2) inside wall has been seted up and has been run through groove (94), run through groove (94) and spacing groove (91) and be linked together, the one end of toper piece (93) is passed and is run through groove (94) and communicate with the external world.

6. The hot air reflow soldering machine according to claim 3, wherein: the inner wall and the outer wall of the material box (6) are provided with rubber pads, and the outer surface of the supporting plate (83) is provided with the rubber pads.

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