Repair welding device for circuit board after welding
Technical Field
The invention belongs to the technical field of circuit board processing, and particularly relates to a repair welding device for a circuit board after welding.
Background
The circuit board is a component for internal assembly and connection of electronic components of electronic equipment, and is generally composed of one or more layers of substrates formed by alternating conductive materials and insulating materials, on which various electronic components such as resistors, capacitors, diodes, triodes, integrated circuits and the like are mounted, and has the main functions of providing connection and support for the electronic components and realizing the functions of the electronic equipment;
during the production of the circuit board, various electronic components are welded on the circuit board through a soldering process, however, the conditions of missing welding, continuous welding, false welding and the like are unavoidable during the soldering process, and the soldering tin of the electronic components is required to be checked and re-soldered to repair;
at present, the circuit board is required to be inspected and subjected to repair welding manually, and because the circuit board is placed in a special die, the circuit board can be inspected and subjected to repair welding only after being detached from the special die during the manual repair welding, in the process, the speed of the step of inspecting and repairing the circuit board by workers is easy to slow, the efficiency of the whole circuit board welding process is reduced, the production of the circuit board is influenced, and the die for detaching the circuit board is required to be placed and arranged, so that the labor intensity is certainly increased and the using effect of the device is reduced;
in order to solve the above problems, the present application provides a post-solder repair device for a circuit board.
Disclosure of Invention
The invention provides a post-welding repair welding device for a circuit board, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the post-welding repair welding device for the circuit board comprises a support frame, a workbench arranged above the support frame and a soldering iron machine sleeved on the workbench through a spring sleeve, wherein a plurality of groups of dies are arranged on the workbench, a circuit board main body is placed inside each die, two groups of limit plates which are symmetrically arranged are arranged on the upper surface of each die, two ends of each limit plate are connected with limit pins in a sliding manner, the limit pins are fixedly connected with the dies, and a first spring is wound on the surface of each limit pin;
the portable material taking assembly comprises a top plate, an electric push rod I, a conveying mechanism, a fixed plate, a connecting rod, a rope pressing wheel, a connecting plate, a first ejector rod, a second spring, a baffle plate, a second ejector rod, a first through hole, a second through hole, a rope, a U-shaped frame, a square rod, a third spring and a pressing plate, wherein the electric push rod I is used for driving the top plate to move;
the portable material taking assembly is provided with a dust removing assembly, and the dust removing assembly comprises a piston, a sleeve, an exhaust pipe, a telescopic hose, a tank body and an exhaust head;
the auxiliary clamping assembly is arranged on the conveying mechanism and comprises a fixed rod, an adjusting joint I, an illuminating lamp, an adjusting joint II, a movable joint and a clamp.
As the post-welding repair welding device for the circuit board, the post-welding repair welding device for the circuit board is preferable, a conveying mechanism is arranged at the top of the supporting frame through bolts, a fixing plate is fixed on the surface of the supporting frame, an electric push rod I is fixedly connected with four corners of the upper surface of the fixing plate through bolts, a connecting rod is fixedly arranged at the output end of the electric push rod I, a top plate is arranged above the fixing plate, a baffle is fixedly arranged on one side of the top plate through bolts, two groups of connecting plates which are symmetrically arranged are arranged below the top plate, a first ejector rod which is symmetrically arranged is fixedly arranged on the upper surface of the connecting plate, a second spring is wound on the surface of the first ejector rod, a through hole which is matched with the first ejector rod is formed on the surface of the die, a second ejector rod which is symmetrically arranged is fixedly arranged on the surface of the connecting plate, two groups of side plates which are symmetrically arranged are fixedly arranged on the lower surface of the top plate, a pressing rope wheel is fixedly arranged through bolts, two groups of connecting plates which are rotatably connected with a rotating shaft, a second spring is fixedly arranged on the upper surface of the connecting plate, a second spring is fixedly arranged on the surface of the top plate, a third spring is fixedly arranged on the surface of the top plate, and a square pressing plate is fixedly arranged on the bottom of the U-shaped support is fixedly arranged on the surface of the supporting plate.
As the post-welding repair welding device for the circuit board, the post-welding repair welding device for the circuit board is preferable, a silica gel pad is fixed at the top end of the second ejector rod, and the length of the first ejector rod is longer than that of the second ejector rod.
As the post-welding repair welding device for the circuit board, the post-welding repair welding device for the circuit board is preferable, the surface of the support frame is fixedly provided with the second electric push rod through the support plate, and the output end of the second electric push rod is provided with the inclined plate through a screw.
As the post-welding repair welding device for the circuit board, the post-welding repair welding device for the circuit board is preferable, two groups of symmetrically arranged squeeze plates are arranged in the conveying mechanism, symmetrically arranged telescopic rods are fixed between the squeeze plates and the conveying mechanism, threaded rods are rotatably connected to one sides, far away from each other, of the squeeze plates through bearings, and fixed blocks are fixed to one side, close to the threaded rods, of the surface of the conveying mechanism, and are in threaded connection with the threaded rods.
As the post-welding repair welding device for the circuit board, the upper surface of the U-shaped frame is fixedly provided with the sleeve, the inside of the sleeve is provided with the piston, the piston is in sliding connection with the inside of the sleeve, the top end of the sleeve is fixedly provided with the exhaust pipe, the other end of the exhaust pipe is fixedly provided with the telescopic hose, one end of the telescopic hose is fixedly provided with the tank body, the tank body is fixedly connected with the pressing plate through the strip-shaped block, and the two ends of the tank body are fixedly provided with the exhaust heads.
As a preferable post-welding repair welding device for the circuit board, a sealing ring is fixed on the surface of the piston.
As the post-welding repair welding device for the circuit board, the post-welding repair welding device for the circuit board is preferable, wherein the pressing switch is fixedly arranged on the inner side wall of one group of U-shaped frames, and the reminder is arranged on the surface of each U-shaped frame through the screw.
As the post-welding repair welding device for the circuit board, the post-welding repair welding device for the circuit board is preferable, the surface of the workbench is connected with the fixing rod through the bolt, the surface of the fixing rod is connected with the second adjusting joint in a sliding manner, one end of the second adjusting joint is provided with the supporting rod in a rotating manner through the joint bearing, and two ends of the supporting rod are provided with the clamps through the movable joints.
As the post-welding repair welding device for the circuit board, the surface of the fixing rod is preferably connected with the first adjusting joint in a sliding manner, and one end of the first adjusting joint is connected with the illuminating lamp through the joint bearing.
Compared with the prior art, the invention has the beneficial effects that:
1. be provided with portable material subassembly, through the roof, electric putter one, conveying mechanism, the fixed plate, the connecting rod, the rope pressing wheel, the connecting plate, ejector pin one, the spring two, the baffle, ejector pin two, the through-hole one, the through-hole two, the rope, U type frame, square pole, the cooperation of spring three and pressing plate is used, thereby make things convenient for the workman directly to take out the circuit board main part from the mould, need not artifical manual take out the circuit board main part from the mould, avoid dragging slow workman's the speed to this step of inspection and repair welding of circuit board main part, improve the efficiency of whole circuit board main part welding process, through the process of automatic taking out the circuit board main part, time and energy of manual operation can be saved, show promotion production efficiency, further improve the result of use of device, satisfy the in-service use demand, need not to place the mould of dismantling the circuit board main part simultaneously and put the arrangement, staff's intensity of labour has been reduced, and the result of use of this device is improved.
Through cooperation use of stripper plate, cylinder, threaded rod, fixed block and telescopic link, can realize the interval between two sets of stripper plates for with the size distance of mould more adaptation, make the mould remove the in-process, reduced the risk that the landing appears in the mould, so can improve production efficiency, reduce down time and manual intervention simultaneously, can remove to the assigned position moreover, through the regulation of threaded rod, can adapt to not unidimensional mould and carry out spacing, thereby improve flexibility, the practicality of device, the mould can reduce the frictional force with between the mould when the interval between two sets of stripper plates slides through the cylinder, make the mould remove in-process more smooth.
2. Be provided with dust removal subassembly, through the cooperation of piston, sleeve, blast pipe, flexible hose, jar body and exhaust head use, the exhaust gas can clear up the circuit board main part surface piece after the welding, avoids the piece to possibly hinder the flow of later stage solder, influences the repair welding effect, can ensure the cleanness of welding region simultaneously, thereby improve welded quality and reliability, thereby make the better observation of workman leak the welding condition, improve the inspection efficiency to circuit board main part, can save time and improve work efficiency.
3. Through the cooperation of push switch and reminder, can remind the workman to the unlocking of circuit board main part through the reminder and accomplish, can improve work efficiency, prevent to hold off, reduce pressure, let our life and work more orderly and high-efficient.
4. Be provided with supplementary centre gripping subassembly, through dead lever, adjusting joint one, the light, adjusting joint two, the cooperation of movable joint and clip is used, through the illumination of the light, leak the more careful of welding position inspection appears to the circuit board main part, the repair welding quality has been improved, make the angle of circuit board main part and high can adjust according to the demand, make the processing of circuit board main part more accurate and quick, shake or shift that probably appears when having avoided the manual work to hold simultaneously, the accuracy of operation such as welding has been guaranteed, thereby the quality of product has been promoted, because the angle and the high accurate control of circuit board all can, consequently, the error rate because manual operation arouses has been reduced, the probability of rejection rate and reprocessing has further improved the result of use of device.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a bottom view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of the structure of the mold of the present invention;
FIG. 4 is a schematic structural view of a first electric putter and a connecting rod according to the present invention;
FIG. 5 is a cross-sectional view of the sleeve of the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5A according to the present invention;
FIG. 7 is a top plan view of the overall structure of the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7B according to the present invention;
FIG. 9 is a schematic view of an auxiliary clamping assembly according to the present invention;
in the figure: 1. a support frame; 101. a work table; 102. a soldering iron machine; 103. a mold; 104. a circuit board main body; 105. a limiting plate; 106. a limiting pin; 107. a first spring; 2. a portable material taking assembly; 201. a conveying mechanism; 202. a fixing plate; 203. an electric push rod I; 204. a connecting rod; 205. a top plate; 206. a connecting plate; 207. a first ejector rod; 208. a second spring; 209. a baffle; 210. a second ejector rod; 211. a silica gel pad; 212. a first through hole; 213. a second through hole; 214. a rope pressing wheel; 215. a rope; 216. a U-shaped frame; 217. square bar; 218. a third spring; 219. pressing the plate; 220. a sloping plate; 221. an electric push rod II; 222. an extrusion plate; 223. a roller; 224. a threaded rod; 225. a fixed block; 226. a telescopic rod; 3. a dust removal assembly; 301. a piston; 302. a seal ring; 303. a sleeve; 304. an exhaust pipe; 305. a flexible hose; 306. a tank body; 307. an exhaust head; 401. pressing the switch; 402. a reminder; 5. an auxiliary clamping assembly; 501. a fixed rod; 502. adjusting the first joint; 503. a lighting lamp; 504. adjusting the second joint; 505. a movable joint; 506. and a clip.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
1-9, a post-welding repair welding device for a circuit board comprises a support frame 1, a workbench 101 arranged above the support frame 1 and a soldering iron machine 102 sleeved on the workbench 101 through a spring sleeve, wherein a plurality of groups of dies 103 are arranged on the workbench 101, a circuit board main body 104 is arranged inside the dies 103, two groups of limit plates 105 which are symmetrically arranged are arranged on the upper surface of each die 103, limit pins 106 are connected at two ends of each limit plate 105 in a sliding manner, the limit pins 106 are fixedly connected with the dies 103, a first spring 107 is wound on the surface of each limit pin 106, and two ends of the first spring 107 are fixedly connected with the limit pins 106 and the limit plates 105 respectively;
the portable material taking assembly 2 is arranged on the support frame 1, and the portable material taking assembly 2 comprises a top plate 205, an electric push rod I203, a conveying mechanism 201, a fixed plate 202, a connecting rod 204, a rope pressing wheel 214, a connecting plate 206, a first ejector rod 207, a second spring 208, a baffle 209, a second ejector rod 210, a silica gel pad 211, a first through hole 212, a second through hole 213, a rope 215, a U-shaped frame 216, a square rod 217, a third spring 218, a pressing plate 219, an inclined plate 220, an electric push rod II 221, a pressing plate 222, a roller 223, a threaded rod 224, a fixed block 225 and a telescopic rod 226;
the top of the supporting frame 1 is provided with a conveying mechanism 201 through bolts, a plurality of groups of dies 103 slide on the surface of the conveying mechanism 201, the surface of the supporting frame 1 is fixedly provided with a fixed plate 202, four corners of the upper surface of the fixed plate 202 are fixedly connected with a first electric push rod 203 through bolts, the output end of the first electric push rod 203 is fixedly provided with a connecting rod 204, a top plate 205 is arranged above the fixed plate 202, one end of the connecting rod 204 is fixedly arranged on the surface of the top plate 205, one side of the top plate 205 is fixedly provided with a baffle 209 through bolts, two groups of connecting plates 206 which are symmetrically arranged are arranged below the top plate 205, the upper surface of the connecting plate 206 is fixedly provided with a first ejector rod 207 which is symmetrically arranged, the surface of the first ejector rod 207 is wound with a second spring 208, two ends of the second spring 208 are fixedly connected with the top plate 205 and the connecting plate 206 respectively, the surface of the top plate 205 is provided with a through hole 212 which is matched with the first ejector rod 207, the surface of the die 103 is provided with a through hole matched with the first ejector rod 207, the surface of the connecting plate 206 is fixedly provided with a second ejector rod 210 which is symmetrically arranged, the surface of the top plate 205 is provided with a second through hole 213 which is matched with the second ejector rod 210, the top end of the second ejector rod 210 is fixedly provided with a silica gel pad 211, the length of the first ejector rod 207 is longer than that of the second ejector rod 210, the lower surface of the top plate 205 is fixedly provided with two groups of side plates which are symmetrically arranged, a rope pressing wheel 214 is rotatably connected between the two groups of side plates through a rotating shaft, the upper surface of the connecting plate 206 is fixedly provided with a rope 215, one end of the rope 215 is wound with the rope pressing wheel 214 and penetrates through the connecting plate 206 and is fixedly connected with the surface of the fixing plate 202, the surface of the conveying mechanism 201 is fixedly provided with two groups of U-shaped frames 216 which are symmetrically arranged, the inner part of the U-shaped frames 216 is slidably connected with a square rod 217, the surface of the square rod 217 is wound with a spring III 218, the bottom end of the square rod 217 is fixedly provided with a pressing plate 219, the both ends of spring three 218 respectively with pressing plate 219 and U type frame 216 fixed connection, the surface of support frame 1 is through backup pad fixed mounting has electric putter two 221, electric putter two 221's output is through the screw mounting swash plate 220, the inside of conveying mechanism 201 is provided with two sets of stripper plates 222 that are symmetrical arrangement, be fixed with between stripper plates 222 and the conveying mechanism 201 and be symmetrical arrangement's telescopic link 226, one side that two sets of stripper plates 222 kept away from each other is connected with threaded rod 224 through the bearing rotation, one side that conveying mechanism 201's surface is close to threaded rod 224 is fixed with fixed block 225, fixed block 225 and threaded rod 224 threaded connection, the rectangular groove of multiunit equidistance range is seted up on stripper plate 222's surface, and be provided with cylinder 223 in the rectangular groove, the both ends of cylinder 223 are rotated through pivot and stripper plate 222 and are connected.
The portable material taking assembly 2 is provided with a dust removing assembly 3, and the dust removing assembly 3 comprises a piston 301, a sealing ring 302, a sleeve 303, an exhaust pipe 304, a telescopic hose 305, a tank 306 and an exhaust head 307;
the upper surface of U type frame 216 is fixed with sleeve 303, and the inside of sleeve 303 is provided with piston 301, and piston 301 sliding connection is in the inside of sleeve 303, and the top of sleeve 303 is fixed with blast pipe 304, and the other end of blast pipe 304 is fixed with flexible hose 305, and flexible hose 305's one end is fixed with jar body 306, and jar body 306 passes through bar piece and presses the board 219 fixed connection, and jar body 306's both ends are fixed with exhaust head 307, and piston 301's surface is fixed with sealing washer 302.
The inner side wall of one group of U-shaped frames 216 is fixedly provided with a pressing switch 401, the pressing switch 401 corresponds to the pressing plate 219, and the surface of the U-shaped frames 216 is provided with a reminder 402 through screws.
The auxiliary clamping assembly 5 is arranged on the conveying mechanism 201, and the auxiliary clamping assembly 5 comprises a fixed rod 501, an adjusting joint I502, an illuminating lamp 503, an adjusting joint II 504, a movable joint 505 and a clamp 506;
the surface of workstation 101 is connected with dead lever 501 through the bolt, and the surface sliding connection of dead lever 501 has first 502 of regulation joint, and the one end of first 502 of regulation joint is connected with light 503 through joint bearing, and the surface sliding connection of dead lever 501 has second 504 of regulation joint, and there is branch on the one end of second 504 of regulation joint rotates through joint bearing, and the clip 506 is installed through movable joint 505 at the both ends of branch.
In this embodiment: according to the post-welding repair welding device for the circuit board, a worker places a die 103 provided with a circuit board main body 104 on a conveying mechanism 201 for conveying, the die 103 moves along with the operation of the conveying mechanism 201, before the die moves, a threaded rod 224 is rotated to drive an extrusion plate 222 to move, the extrusion plate 222 can be limited through the threaded rod 224, the extrusion plate 222 is more stable in the moving process, the distance between the two extrusion plates 222 can be realized through the movement of the two extrusion plates 222, the size distance between the two extrusion plates 222 and the die 103 is more adaptive, the risk of sliding of the die 103 is reduced in the moving process of the die 103, so that the production efficiency can be improved, meanwhile, the downtime and manual intervention can be reduced, the die can be moved to a designated position, the die 103 with different sizes can be adapted to limit conveying through the adjustment of the threaded rod 224, the flexibility and the practicability of the device are improved, and the friction force between the die 103 and the die 103 can be reduced through a roller 223 when the distance between the two extrusion plates 222 slides, and the die 103 is more smooth in the moving process of the die 103;
with the continuous movement of the mold 103 until the mold 103 is attached to the surface of the baffle 209, then starting the electric push rod II 221 to drive the inclined plate 220 to move upwards, blocking other molds 103 on the conveying mechanism 201 through the inclined plate 220, starting the electric push rod I203 to drive the connecting rod 204 to stretch, driving the top plate 205 to move upwards through the connecting rod 204, driving the mold 103 to move upwards synchronously along with the upward movement of the top plate 205, driving the square rod 217 to move upwards along with the upward movement of the mold 103 and contact with the pressing plate 219 through the pressing plate 219, simultaneously under the cooperation of the U-shaped frame 216, continuously compressing the spring III 218, and driving the pressing plate 219 to squeeze the mold 103 at the moment, so that the mold 103 is fastened on the surface of the top plate 205, and the surface of the mold 103 is more stable in the top plate 205, and the situation that the mold 103 slides down in the moving process is avoided.
In this process, along with the continuous upward movement of the square rod 217, and then drive the piston 301 to move upwards synchronously, so that the piston 301 slides in the sleeve 303, in this process, the tightness between the piston 301 and the sleeve 303 can be increased through the sealing ring 302, the gas in the sleeve 303 is compressed into the exhaust pipe 304 through the piston 301, the compressed gas is discharged into the telescopic hose 305 through the exhaust pipe 304, the gas is discharged into the tank 306 through the telescopic hose 305 and is discharged into the exhaust head 307 through the tank 306, the discharged gas can clean the surface scraps on the welded circuit board main body 104, the scraps can be prevented from obstructing the flow of the solder in the later stage, the repair welding effect is influenced, meanwhile, the cleaning of the welding area can be ensured, and therefore, the welding quality and reliability are improved, the inspection efficiency of the circuit board main body 104 can be improved, the time can be saved, and the working efficiency can be improved.
In the moving process of the top plate 205, when the redundant rope 215 is in a distance buffering state, the rope 215 is pulled to move upwards through the connecting plate 206 in the moving process of the rope pressing wheel 214 by the rope 215, and the first ejector rod 207 is driven to move upwards synchronously along with the upward movement of the connecting plate 206, and sequentially passes through the through hole 212 and the through hole of the die 103 through the first ejector rod 207, and the limiting plate 105 is lifted, so that the limiting plate 105 slides on the surface of the limiting pin 106, meanwhile, the limiting plate 105 compresses the spring 107, and simultaneously moves upwards along with the limiting plate 105, and releases the limiting locking of the circuit board main body 104, in the process, the second ejector rod 210 drives the silica gel pad 211 to sequentially pass through the through hole 213 and the die 103, and lift the circuit board main body 104, and the second ejector rod 210 can have a certain protective effect when the circuit board main body 104 is lifted up through the silica gel pad 211, and the circuit board main body 104 is lifted out of the die 103, thereby being convenient for workers to directly take the circuit board main body 104 out of the die 103, the circuit board main body 104 is not required to be manually taken out of the die 103, the circuit board main body 104 is slowly pulled out of the die 104, the speed of the circuit board main body 104 is required to be slowly checked, the whole process of the circuit board main body is required to be automatically, the production efficiency is improved, the actual welding process is improved, and the production time is required is improved, and the device is required to be used to be welded.
At this time, when the pressing plate 219 contacts with the pressing switch 401, the reminder 402 is controlled to be started through the pressing switch 401, and workers can be reminded that unlocking of the circuit board main body 104 is completed through the reminder 402, so that the working efficiency can be improved, the delay is prevented, the pressure is reduced, and the life and the work of the workers are more orderly and efficient.
When the workman takes down circuit board main part 104, electric putter one 203 resets and moves down this moment, drive roof 205 and baffle 209 simultaneously through connecting rod 204 and move down in step, drive the mould 103 through roof 205 and move down in step, until the mould 103 contacts with the surface of transport mechanism 201, when electric putter one 203 drives roof 205 and baffle 209 continue to move down, make baffle 209 remove the shutoff to mould 103, afterwards mould 103 continues to remove at the surface of transport mechanism 201, place again in mould 103 for later stage circuit board main part 104, welding operation is carried out, thereby need not place the mould 103 of circuit board main part 104 dismantlement and arrange in order, staff's intensity of labour has been reduced, the result of use of this device is improved, the workman will take down circuit board main part 104 and place on workstation 101, through light 503 illumination, leak welding position inspection's to circuit board main part 104 is more careful, repair welding quality has been improved, carry out the centre gripping fixedly through clip 506 with circuit board main part 104, can carry out high regulation through adjusting joint two 504, can carry out the degree of freedom adjustment, make angle and high accuracy and precision control, can make the angle of circuit board main part 104 and high accuracy and precision control device can be guaranteed because of the precision control of the manual quality is realized, the precision is improved, the quality is easy to the manual device has been manufactured, and can be manufactured because the quality has improved and has improved the manual quality has improved the accuracy has been manufactured.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.