Welding treatment equipment for electronic connector
Technical Field
The application relates to the technical field of connector welding, in particular to welding treatment equipment for an electronic connector.
Background
The electronic connector is also called a circuit connector or an electric connector, and generally refers to a conductor device which bridges two conductors on a circuit so that current or signals can flow from one conductor to the other conductor, in most use scenes, the electronic connector is generally mounted on a main board through welding, the connector fixed through the welding can be better fixed on the circuit board, has higher mechanical strength, can bear a certain degree of vibration and impact, can be free from the influence of environmental factors such as humidity, oxidation, acid-base corrosion and the like, and can be easily connected with other problems such as short circuit or short circuit caused by the fact that a plurality of electronic connectors are welded at one time by using a welding mode called wave soldering, namely, a power device such as an electric pump or an electromagnetic pump sprays melted soft soldering material (such as lead-tin alloy, tin-copper alloy and the like) into a solder wave which is required by design, but the conventional wave soldering pool cannot be changed in size for electronic connectors with different sizes, cannot be flexibly changed when the conventional wave soldering pool is used, the problem that the number of pins of the electronic connector is small, the problem of laying of the electronic connector is solved, and the problem of the occurrence of the bridge soldering is that the bridge is caused by too much solder, the bridge soldering is caused by the fact that the problem of the bridge is caused by the fact that the bridge is too much or the bridge is connected with the electrical circuit.
Disclosure of Invention
The application provides an electronic connector welding treatment device which has the advantage of adjustable welding area and is used for solving the problem that the welding connection welding or welding burrs are caused by the fact that the welding area cannot be flexibly changed in a traditional wave soldering pool.
In order to achieve the purpose, the application adopts the following technical scheme that the welding treatment equipment of the electronic connector comprises a bottom plate, a row of plug assemblies are fixedly arranged at the top of the bottom plate, and further comprises,
The linkage transportation welding mechanism comprises a transportation assembly, wherein the transportation assembly is fixedly arranged on the right side of the row socket assembly, a spraying assembly is fixedly arranged at the bottom of the transportation assembly, a sealing assembly is fixedly arranged at the top of the spraying assembly, a heating assembly is fixedly arranged on the right side of the sealing assembly, and a circulating assembly is fixedly arranged on the right side of the heating assembly;
The welding assembly is fixedly arranged in the middle of the circulating assembly and comprises two first electric rotating shafts, the outer edges of the first electric rotating shafts are fixedly connected with spiral steel sheets, the tail ends of the spiral steel sheets are movably hinged with two connecting sheets, the other sides of the connecting sheets are movably hinged with third hydraulic rods, the telescopic ends of the third hydraulic rods are fixedly connected with second electric rotating shafts, and the welding area can be changed during working.
Preferably, the row inserts the subassembly and includes first track, first track fixed mounting is at the top of bottom plate, movable mounting has the movable frame in the first track, movable frame's top slidable mounting has the movable block, the right side fixedly connected with ring motor of movable block, the first hydraulic stem of inner wall fixedly connected with of ring motor, the flexible end fixedly connected with electric tong of first hydraulic stem, row that above-mentioned structure can accomplish the material automatically at the during operation inserts.
Preferably, an electric sliding block is arranged in the first track and can drive the movable frame to move in the first track, and the electric clamping hand can rotate under the drive of the annular motor.
Preferably, the transportation subassembly includes many stands, many the equal fixed mounting of stand is at the top of bottom plate, many the inboard fixedly connected with second track of stand, two equal slidable mounting has the square shell in the second track, two equal fixed mounting has two electronic wheels in the square shell, two sets of the outer edge of electronic wheel and the contact of the orbital inner wall of second, two the middle part position fixedly connected with tray of square shell, a plurality of different trompils of shape have been seted up in the vertical direction penetration of tray, the circuit board has been placed to the inside of tray, a plurality of connecting pieces have been pegged graft at the top of circuit board, and above-mentioned structure can drive the part nimble motion at the during operation.
Preferably, the spraying assembly comprises a screw rod, the screw rod is fixedly arranged at the bottom of the tray, a stepping motor is movably sleeved on the side face of the screw rod, a mechanical arm is fixedly connected to the back of the stepping motor, a rectangular plate is fixedly connected to the other end of the mechanical arm, a round spray head is fixedly arranged at the top of the rectangular plate, and a liquid storage tank is fixedly connected to the left side of the round spray head, so that soldering flux can be sprayed to the stitch position during operation.
Preferably, the stepper motor can move left and right on the side face of the screw rod, the left end of the circular spray head is fixedly connected with a feed pipe, and the liquid storage tank is connected with the circular spray head through the feed pipe.
Preferably, the seal assembly comprises a circular ring, the top of circular shower nozzle is fixed mounting to the circular ring, a plurality of rectangular blocks have been arranged to the annular ring, and a plurality of annular spring has been cup jointed in the outside of rectangular block, and a plurality of the inboard activity hinge of rectangular block has a plurality of closing plates, and above-mentioned structure can in time be in the shutoff of circular shower nozzle when the during operation.
Preferably, the heating element includes two second hydraulic stems, two equal fixed mounting of second hydraulic stem is at the top of bottom plate, two the flexible end fixedly connected with fixed box of second hydraulic stem, fixed box's top is from outside-in fixed mounting in proper order has first heater strip and second heater strip, and above-mentioned structure can be at the during operation to scaling powder heating, makes its full play effect.
Preferably, the circulation assembly comprises two vertical plates, the two vertical plates are fixedly arranged at the bottom of the second track, a heating tank is fixedly arranged in each vertical plate, connecting pipes are fixedly connected to the left side and the right side of each heating tank, a recovery tank is fixedly arranged at the other end of each connecting pipe, a strip-shaped spray head is fixedly arranged at the top of each heating tank, and partition blocks are fixedly connected to the left side and the right side of each strip-shaped spray head.
Preferably, the bottoms of the two vertical plates are fixedly connected with the bottom plate, the inner walls of the two vertical plates are fixedly connected with the two ends of the first electric rotating shaft and the second electric rotating shaft, and the outer sides of the two spacer blocks are contacted with the coiled steel sheet.
The beneficial effects of the invention are as follows:
1. According to the invention, by installing the newly designed welding assembly, the length of the expansion of the coiled steel sheet towards two sides can be changed by adjusting the stroke of the third hydraulic rod and the rotation of the second electric rotating shaft which are matched with each other, when the stroke of the third hydraulic rod is increased, the coiled steel sheet in the first electric rotating shaft is pulled by the connecting sheet to be expanded outwards, so that the liquid area of molten tin is enlarged, and when the stroke of the third hydraulic rod is shortened, the coiled steel sheet is rewound on the outer edge of the first electric rotating shaft, so that the welding area is reduced, and the problem that the welding area cannot be flexibly changed in a traditional wave soldering pool, and the welding connection welding or the welding burr is caused is solved.
2. According to the invention, the sealing assembly is arranged, when the circular spray head sprays upwards, the plurality of sealing plates are stressed and drive the plurality of rectangular blocks to move outwards, gaps among the plurality of sealing plates become larger at the moment and allow soldering flux to pass through, when the circular spray head stops spraying, the sealing plates are not stressed any more, the annular springs which are extruded and deformed before the moment recover elastic potential energy, the plurality of rectangular blocks are extruded towards the middle part of the circular ring again, the plurality of sealing plates are combined to finish sealing, so that the spraying can be stopped rapidly, and the problem of backflow of the sprayed soldering flux can be reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and, together with the description, serve to explain the principles of the application.
The disclosure may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a power strip assembly according to the present invention;
FIG. 3 is a schematic view of a spray assembly according to the present invention;
FIG. 4 is a schematic view of a closure assembly according to the present invention;
FIG. 5 is a schematic view of a transport assembly according to the present invention;
FIG. 6 is a schematic view of a heating assembly according to the present invention;
FIG. 7 is a schematic view of a circulation assembly of the present invention;
FIG. 8 is a schematic view of a welded assembly according to the present invention;
fig. 9 is a schematic diagram of the structure of fig. 8a according to the present invention.
The device comprises a base plate, a 2-row plug assembly, a 3-transportation assembly, a 4-spraying assembly, a 5-sealing assembly, a 6-heating assembly, a 7-circulation assembly, a 8-welding assembly, a 21-first hydraulic rod, a 22-second hydraulic rod, a 23-second movable frame, a 24-second annular motor, a 25-first hydraulic rod, a 26-second electric clamping hand, a 31-second upright column, a 32-second rail, a 33-square shell, a 34-second electric wheel, a 35-tray, a 36-second opening, a 37-second circuit board, a 38-connecting piece, a 41-screw rod, a 42-step motor, a 43-mechanical arm, a 44-rectangular plate, a 45-circular spray head, a 46-liquid storage tank, a 51-circular ring, a 52-rectangular block, a 53-annular spring, a 54-sealing plate, a 61-second hydraulic rod, a 62-fixed box, a 63-first heating wire, a 64-second heating wire, a 71-second vertical plate, a 72-second heating tank, a 73-second recovery tank, a 74, a 75-strip-shaped spray head, a 76-spacer, a 81, a first electric steel sheet, a 82-second spiral-in, a connecting piece, a 84-third electric rotating shaft and a third hydraulic rod.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-9, the electronic connector welding treatment apparatus of the present embodiment includes a base plate 1, a socket assembly 2 fixedly mounted on the top of the base plate 1, and further includes,
The linkage transportation welding mechanism comprises a transportation assembly 3, wherein the transportation assembly 3 is fixedly arranged on the right side of a row socket assembly 2, a spraying assembly 4 is fixedly arranged at the bottom of the transportation assembly 3, a sealing assembly 5 is fixedly arranged at the top of the spraying assembly 4, a heating assembly 6 is fixedly arranged on the right side of the sealing assembly 5, and a circulating assembly 7 is fixedly arranged on the right side of the heating assembly 6;
The welding assembly 8 is fixedly arranged in the middle of the circulating assembly 7, the welding assembly 8 comprises two first electric rotating shafts 81, the outer edges of the two first electric rotating shafts 81 are fixedly connected with contracted steel sheets 82, the tail ends of the two contracted steel sheets 82 are movably hinged with two connecting sheets 83, the other sides of the two groups of connecting sheets 83 are movably hinged with third hydraulic rods 84, and the telescopic ends of the two groups of third hydraulic rods 84 are fixedly connected with second electric rotating shafts 85;
By adjusting the stroke of the third hydraulic rod 84 and the rotation of the second electric rotating shaft 85 which are matched with each other, the length of the expansion of the spiral-wound steel sheet 82 towards two sides can be changed, when the stroke of the third hydraulic rod 84 is increased, the spiral-wound steel sheet 82 in the first electric rotating shaft 81 is pulled by the connecting sheet 83 to be expanded towards the outside, so that the liquid area of molten tin is enlarged, when the stroke of the third hydraulic rod 84 is shortened, the spiral-wound steel sheet 82 is rewound on the outer edge of the first electric rotating shaft 81, so that the welding area is reduced, the problem that the welding area cannot be flexibly changed in a traditional wave soldering pool, the welding connection or the welding burrs are caused is solved, the shape of the strip-shaped spray head 75 is an inverted trapezoid strip-shaped liquid outlet, molten tin can be uniformly sprayed upwards through the strip-shaped spray head 75, the physical shape of the strip-shaped spray head 75 is not changed, only the upward spraying flow rate and the flow velocity of molten tin are controlled, and the expansion area of the spiral-wound steel sheet 82 is matched, and the paving area of the molten tin can be adjusted;
The power strip plug assembly 2 comprises a first track 21, wherein the first track 21 is fixedly arranged at the top of a bottom plate 1, a movable frame 22 is movably arranged in the first track 21, a movable block 23 is slidably arranged at the top of the movable frame 22, an annular motor 24 is fixedly connected to the right side of the movable block 23, a first hydraulic rod 25 is fixedly connected to the inner wall of the annular motor 24, and an electric clamping hand 26 is fixedly connected to the telescopic end of the first hydraulic rod 25;
Moving the movable frame 22 in the first track 21, clamping the prepared material connecting piece 38 by the electric clamping hand 26, inserting the material connecting piece 38 into a hole position reserved by the circuit board 37 under the movement of the movable block 23 and the telescopic action of the first hydraulic rod 25, driving the electric clamping hand 26 to rotate by the rotation action of the annular motor 24 according to different requirements of the placement angle and the position, and completing the row socket under the movement of the first track 21 and the movable block 23;
The transportation assembly 3 comprises a plurality of upright posts 31, wherein the upright posts 31 are fixedly arranged at the top of the bottom plate 1, the inner sides of the upright posts 31 are fixedly connected with second rails 32, square shells 33 are slidably arranged in the two second rails 32, two electric wheels 34 are fixedly arranged in the two square shells 33, the outer edges of the two groups of electric wheels 34 are in contact with the inner walls of the second rails 32, a tray 35 is fixedly connected to the middle positions of the two square shells 33, a plurality of holes 36 with different shapes are formed in the vertical direction of the tray 35 in a penetrating manner, a circuit board 37 is arranged in the tray 35, and a plurality of connecting pieces 38 are inserted into the top of the circuit board 37;
The circuit board 37 to which the connection member 38 is to be soldered can be placed in the tray 35, and the motor 34 is moved clockwise to enable the tray 35 to move rightward along the second rail 32, and the tray 35 and the connection member 38 can be replaced according to different production requirements;
the spraying assembly 4 comprises a screw rod 41, the screw rod 41 is fixedly arranged at the bottom of the tray 35, a stepping motor 42 is movably sleeved on the side surface of the screw rod 41, a mechanical arm 43 is fixedly connected to the back of the stepping motor 42, a rectangular plate 44 is fixedly connected to the other end of the mechanical arm 43, a round spray head 45 is fixedly arranged at the top of the rectangular plate 44, and a liquid storage tank 46 is fixedly connected to the left side of the round spray head 45, the stepping motor 42 can move left and right on the side surface of the screw rod 41, a feed pipe is fixedly connected to the left end of the round spray head 45, and the liquid storage tank 46 is connected with the round spray head 45 through the feed pipe;
The stepper motor 42 moves left and right on the screw rod 41, and moves the circular spray head 45 with the sealing assembly 5 to the stitch position exposed by the opening 36 under the rotation and expansion of the mechanical arm 43 to spray the soldering flux, and during the process of spraying the soldering flux, the stitch of the connecting piece 38 exposed by the opening 36 can be contacted and welded with molten tin, and the rest part of the circuit board 37 can not be tin-plated;
The sealing assembly 5 comprises a circular ring 51, the circular ring 51 is fixedly arranged at the top end of the circular spray head 45, a plurality of rectangular blocks 52 are annularly arranged in the circular ring 51, annular springs 53 are sleeved on the outer sides of the rectangular blocks 52, and a plurality of sealing plates 54 are movably hinged to the inner sides of the rectangular blocks 52;
When the circular spray head 45 sprays upwards, the plurality of sealing plates 54 are stressed and drive the plurality of rectangular blocks 52 to move outwards, gaps among the plurality of sealing plates 54 become larger at the moment and allow the flux to pass through, when the circular spray head 45 stops spraying, the sealing plates 54 are not stressed any more, the annular springs 53 which are pressed and deformed previously restore elastic potential energy at the moment, the plurality of rectangular blocks 52 are pressed towards the middle part of the annular ring 51 again, the plurality of sealing plates 54 are combined, and the plugging is completed, so that the spraying can be stopped rapidly, and the problem of backflow of the sprayed flux can be reduced;
The heating assembly 6 comprises two second hydraulic rods 61, wherein the two second hydraulic rods 61 are fixedly arranged at the top of the bottom plate 1, the telescopic ends of the two second hydraulic rods 61 are fixedly connected with a fixed box 62, and a first heating wire 63 and a second heating wire 64 are sequentially and fixedly arranged at the top of the fixed box 62 from outside to inside;
The two second hydraulic rods 61 increase the stroke and drive the fixing box 62 upwards, so that the two first heating wires 63 and the second heating wires 64 preheated in advance can be allowed to be maximally close to the positions of the pins sprayed with the soldering flux, and active ingredients in the soldering flux can fully play a role;
The circulating assembly 7 comprises two vertical plates 71, wherein the two vertical plates 71 are fixedly arranged at the bottom of the second track 32, a heating tank 72 is fixedly arranged in the two vertical plates 71, connecting pipes 74 are fixedly connected to the left side and the right side of the heating tank 72, a recovery tank 73 is fixedly arranged at the other end of the two connecting pipes 74, a strip-shaped spray head 75 is fixedly arranged at the top of the heating tank 72, and partition blocks 76 are fixedly connected to the left side and the right side of the strip-shaped spray head 75;
At this time, the solder tin is heated to be molten liquid in the heating tank 72, and can be sprayed upwards through the strip-shaped spray head 75, and finally falls into the two recovery tanks 73 through the guidance of the left and right spacer blocks 76 and the spiral-wound steel sheet 82, the molten tin falling into the recovery tanks 73 can flow back into the heating tank 72 through the connecting pipes 74 for repeated use, the working processes are controlled by a computer, the movement of the grabbing connecting piece 38 of the socket assembly 2, the movement of the tray 35, the spraying of the soldering flux and the expansion area of the spiral-wound steel sheet 82 are controlled electrically, and all parameters are preset and adjustable in the mutual matching process of each assembly.
Working principle:
When the invention is used, firstly, a circuit board 37 needing to be welded with a connecting piece 38 is placed in a tray 35, the tray 35 and the connecting piece 38 can be replaced according to different production requirements, at the moment, a movable frame 22 is moved in a first track 21, a material connecting piece 38 prepared in advance is clamped by an electric clamping hand 26, the material connecting piece 38 is arranged and inserted into a hole site reserved in the circuit board 37 under the movement of a movable block 23 and the telescopic action of a first hydraulic rod 25, and the electric clamping hand 26 can be driven to rotate under the rotation action of an annular motor 24 according to different placing angles and different positions, and the arrangement and the insertion are completed under the movement of the first track 21 and the movable block 23;
At this time, the electric wheel 34 is moved clockwise again, so that the tray 35 can move to the right along the second track 32, when the tray reaches the top of the spraying assembly 4, the stepper motor 42 moves left and right on the screw rod 41, and the circular spray head 45 with the sealing assembly 5 moves to the stitch position exposed by the opening 36 under the rotation and extension of the mechanical arm 43 to spray the soldering flux, and during the process of spraying the soldering flux, the stitch of the connecting piece 38 exposed by the opening 36 can be in contact welding with molten tin, and the rest of the circuit board 37 can not be tin-plated;
When the circular spray head 45 sprays upwards, the plurality of sealing plates 54 are stressed and drive the plurality of rectangular blocks 52 to move outwards, gaps among the plurality of sealing plates 54 become larger at the moment and allow the flux to pass through, when the circular spray head 45 stops spraying, the sealing plates 54 are not stressed any more, the annular springs 53 which are pressed and deformed previously restore elastic potential energy at the moment, the plurality of rectangular blocks 52 are pressed towards the middle part of the annular ring 51 again, the plurality of sealing plates 54 are combined, and the plugging is completed, so that the spraying can be stopped rapidly, and the problem of backflow of the sprayed flux can be reduced;
After the soldering flux is sprayed, the tray 35 continues to move to the right side in the second track 32, and stops when moving to the sealing assembly 5, and the two second hydraulic rods 61 increase the stroke to drive the fixing box 62 upwards, so that the two first heating wires 63 and the second heating wires 64 which are preheated in advance can be allowed to be maximally close to the stitch where the soldering flux is sprayed, and active ingredients in the soldering flux can fully play a role;
After the preparation work is finished, the tray 35 moves rightwards again to reach the position of the circulating assembly 7 and the welding assembly 8, at the moment, the welding tin is heated into molten liquid in the heating tank 72, the molten tin can be sprayed upwards through the strip-shaped spray heads 75, guided by the left spacer block 76, the right spacer block 76 and the spiral steel sheet 82, finally falls into the two recovery tanks 73, at the moment, the molten tin can form a flowing liquid plane with thickness, when the pins contact the molten tin, the molten tin can be directly attached to the molten tin to finish welding, the strip-shaped spray heads 75 are shaped as inverted trapezoid strip-shaped liquid outlets, the molten tin can be uniformly sprayed upwards through the strip-shaped spray heads 75, the physical shape of the strip-shaped spray heads 75 is not changed, only the upward spraying flow rate and the flow velocity of the molten tin are controlled, and the stretching area of the spiral steel sheet 82 are matched, and the paving area of the molten tin can be adjusted;
By adjusting the stroke of the third hydraulic rod 84 and the rotation of the second electric rotating shaft 85 which are mutually matched, the length of the expansion of the spiral-wound steel sheet 82 towards two sides can be changed, when the stroke of the third hydraulic rod 84 is increased, the spiral-wound steel sheet 82 in the first electric rotating shaft 81 is pulled by the connecting sheet 83 to be expanded towards the outer side, the liquid area of molten tin is further enlarged, when the stroke of the third hydraulic rod 84 is shortened, the spiral-wound steel sheet 82 is rewound on the outer edge of the first electric rotating shaft 81, so that the welding area is reduced, the tin liquid falling into the recovery tank 73 can flow back into the heating tank 72 through the connecting pipe 74 for repeated use, the working procedures are controlled by a computer, the movement of the grabbing connecting piece 38 of the arranging and inserting assembly 2, the spraying scaling powder and the expansion area of the spiral-wound steel sheet 82 are controlled electrically, and all parameters are preset and adjustable in the mutually matched process of each assembly.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.