CN114867227A - Welding method for circuit board - Google Patents
Welding method for circuit board Download PDFInfo
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- CN114867227A CN114867227A CN202210505511.3A CN202210505511A CN114867227A CN 114867227 A CN114867227 A CN 114867227A CN 202210505511 A CN202210505511 A CN 202210505511A CN 114867227 A CN114867227 A CN 114867227A
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- clamping
- circuit board
- clamping block
- rotating
- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 238000010521 absorption reaction Methods 0.000 claims abstract description 52
- 239000000779 smoke Substances 0.000 claims abstract description 31
- 230000007306 turnover Effects 0.000 claims abstract description 14
- 239000002893 slag Substances 0.000 claims description 21
- 239000000428 dust Substances 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000005476 soldering Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3457—Solder materials or compositions; Methods of application thereof
- H05K3/3485—Applying solder paste, slurry or powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention belongs to the technical field of welding, and discloses a welding method for a circuit board, which clamps and fixes two ends of the circuit board through a clamping mechanism; welding when the operation platform and the rotating blade rotate to the required positions through the rotation of the turnover mechanism; when the welding is finished, the operation platform is rotated to 90 degrees, the rotating blades synchronously rotate to 90 degrees, the rotating blades and the absorption frame form a closed space at the moment, and air in the absorption frame is extracted through the mutual matching of the connecting pipe and the air blower. The invention discloses a device which can absorb smoke generated by welding through the arrangement of a smoke absorbing mechanism.
Description
Technical Field
The invention belongs to the technical field of welding, and particularly relates to a welding method for a circuit board.
Background
The PCB is named as printed circuit board, also named as printed circuit board or printed circuit board, and is an important electronic component, which can be used to bear various electronic components, such as capacitor, inductor, resistor, diode, connector slot, etc., and is used to connect with specific device and module, wherein, the electronic component on the circuit board is mainly divided into plug-in and surface adhesive component, the plug-in is an electronic component with plug-in pin, when installing, the plug-in pin will pass through the circuit board, then fixed by welding from the reverse side, the surface adhesive component refers to that the component is only attached to the surface of the circuit board, the component is directly adhered by surface adhesive technology, generally adopts tin paste mode to weld and adhere, when welding the circuit board, the smoke will be generated, the smoke belongs to metal dust, and is harmful to human body after being inhaled, the existing circuit board welding device can not absorb the smoke, can be sucked into the lung by welding personnel, and can cause great harm to human bodies after long-time accumulation.
In view of the above, the present disclosure provides a soldering method for a circuit board to solve the above problems.
Disclosure of the invention
The invention aims to solve the problems and provides a welding method for a circuit board, which has the advantage of absorbing waste gas.
In order to achieve the purpose, the invention discloses and provides the following technical scheme:
1. a welding method for a circuit board adopts a welding device for processing the circuit board, and comprises a supporting assembly, wherein a clamping mechanism and a turnover mechanism are arranged on the supporting assembly, and a smoke dust absorption mechanism is arranged in the supporting assembly; the clamping mechanism comprises an operating platform; the turnover mechanism comprises a rotating blade; the smoke dust absorption mechanism comprises an absorption frame, a pressure detection device, a blast box, a double-shaft motor, an electromagnetic bolt and an eccentric block; the welding method is characterized by comprising the following steps:
the method comprises the following steps that (1) two ends of a circuit board are clamped and fixed through a clamping mechanism;
step (2), welding when the operation platform and the rotating blade rotate to the required positions through the rotation of the turnover mechanism;
step (3) when the welding is finished, rotating the operation platform to 90 degrees, synchronously rotating the rotating blades to 90 degrees, forming a closed space by the rotating blades and the absorption frame at the moment, and pumping out air in the absorption frame through the mutual matching of the connecting pipe and the air blower;
step (4), when the pressure value detected by the pressure detection device is negative pressure, the double-shaft motor is enabled to reversely rotate to blow air into the absorption frame, meanwhile, an electromagnetic bolt on an output shaft of the double-shaft motor is electrified, the eccentric block is fixedly connected with the output shaft, the eccentric block generates centrifugal force, so that the smoke dust absorption mechanism generates vibration, meanwhile, the operation platform is rotated to a proper angle to be matched with wind power generated by the air blower and vibration generated by the smoke dust absorption mechanism to collect welding slag into the accommodating box, and the collection of the welding slag is completed;
and (5) resetting the operating platform after waste cleaning to finish welding work.
Preferably, the specific steps of step (1) include: firstly, the knob is rotated, the first clamping block and the second clamping block on the first clamping block are driven to move towards the direction far away from the other second clamping block through the screw rod, the distance between the two second clamping blocks is larger than the length of the circuit board, then the second clamping block at one end of the screw rod is upwards pulled, at the moment, the first round rod can slide on the first clamping block, the second accommodating groove is in a compression state, one end of the circuit board is placed between the first clamping block and the second clamping block, then the pulled second clamping block is loosened, at the moment, the second clamping block can tightly press one end of the circuit board under the action of the spring, one end of the circuit board is fixed, and then the knob is rotated to enable the other end of the circuit board to be close to the other first clamping block and the second clamping block.
Preferably, fixture includes operation platform, operation platform both sides fixedly connected with dwang respectively, the dwang with hold case both sides and rotate and be connected, the electric iron is installed and is being held case upper surface.
The turnover mechanism comprises a stepping motor, the output end of the stepping motor is in transmission connection with a first crawler belt and a second crawler belt respectively, and the other end of the first crawler belt is in transmission connection with a first linkage gear on the end part of the rotating rod close to the stepping motor; the other end of the second crawler belt is in transmission link with a second linkage gear; the second linkage gear is in transmission connection with a third linkage gear through a third crawler belt, the third linkage gear is fixedly connected with a rotating blade, and the third linkage gear is positioned inside the smoke and dust absorption mechanism;
the smoke and dust absorption mechanism comprises an absorption frame, a connecting pipe is fixedly communicated with the inner side surface of the absorption frame, a pressure detection device is arranged in the connecting pipe, the other end of the connecting pipe is connected with a blast box, an air outlet of the blast box is fixedly communicated with an exhaust pipe, the blast box is connected with an output shaft on one side of the double-shaft motor, an electromagnetic bolt is arranged on an output shaft on the other side of the double-shaft motor, an eccentric block is correspondingly arranged on the electromagnetic bolt, and the eccentric block is rotatably connected to a second cylinder.
Preferably, the bottom surface in the containing box is obliquely arranged, and the bottom surface in the containing box and the bottom surface in the discharging pipe are positioned on the same plane.
Preferably, the clamping mechanism comprises an operating platform, the operating platform is positioned in the first abdicating groove, the two sides of the operating platform are rotatably connected with the first abdicating groove through a rotating rod, the upper surface of the operating platform is provided with a second abdicating groove and a first holding groove, the first holding groove is positioned in the middle of the second abdicating groove, the two first clamping blocks and the two second clamping blocks are in one-to-one correspondence and are both positioned in the second abdicating groove, the two sides of the first clamping blocks are slidably connected with the sliding groove at the inner side of the second abdicating groove, the first clamping blocks are positioned below the corresponding second clamping blocks, the bottom surface of the first clamping blocks is provided with a second holding groove, the lower surface of the second clamping blocks corresponding to the second accommodating groove is fixed with a first round rod, the other end of the first round rod penetrates through the first clamping blocks and is fixed with a first stop dog, the first stop dog is positioned in the second holding groove and is slidably matched with the first clamping blocks, first round bar week side cover is equipped with the spring, the spring is located the second holding tank and the spring both ends laminate with second holding tank inner wall and first dog respectively, first clamp splice one side is fixed with first drum, another first clamp splice is connected through pivot and the rotation of second groove inner wall of stepping down, the lead screw is located first holding tank and lead screw one end runs through first holding tank inner wall and first drum in proper order, lead screw and operation platform screw-thread fit, the lead screw rotates with first drum to be connected, the lead screw other end is fixed with the knob.
Preferably, two clapboards are symmetrically fixed in the containing box, one surface of each clapboard is coincided with the inner side face of the discharging pipe, the inside of the containing box is divided into a middle cavity and two side cavities by the two clapboards, and the middle cavity is communicated with the discharging pipe.
Preferably, the supporting component is including holding the case, it is fixed with two supporting shoes to hold bottom of the case symmetry, it has first groove of stepping down to hold the case upper surface to have seted up, it has the discharging pipe, two to hold fixed intercommunication in case one side the supporting shoe bottom fixed mounting has buffer.
Preferably, the rotor gear on the turnover motor enables the first linkage gear and the second linkage gear to rotate at the same speed through the meshed first track and second track.
Preferably, the initial position of the rotating blade is horizontal, the rotating blade rotates by 90 °, and the rotating blade forms a seal against the absorbing frame.
Preferably, the inserted bar of electromagnetism bolt inserts in the eccentric block, the biax motor passes through the electromagnetism bolt drives the eccentric block rotates, the eccentric block drives the containing box reaches operation platform vibrates.
Compared with the prior art, the beneficial effects disclosed by the invention are as follows:
1. by arranging the smoke absorption mechanism, the invention can control the output shaft of the stepping motor to rotate through the controller before welding so as to respectively drive the first track and the second track to carry out transmission, so that the first linkage gear and the second linkage gear carry out synchronous rotation, meanwhile, the second linkage gear drives the third linkage gear to carry out synchronous rotation through the third track, thereby enabling the operating platform connected with the first linkage gear and the rotating blade connected with the third linkage gear to synchronously rotate, the rotating blade follows the rotating angle and direction of the circuit board, synchronously adjusts the angle and is always in a position beneficial to absorbing gas generated during welding, the absorbing frame can absorb smoke generated during welding under the action of the blast box, then the treatment is carried out uniformly, the damage of the smoke to the bodies of welding personnel is reduced, and a good working environment is created for the welding personnel.
2. The welding slag collecting device is provided with the double-shaft motor for blowing air into the absorbing frame in a reverse rotation mode, the electromagnetic bolt on the output shaft of the double-shaft motor is electrified to enable the eccentric block to be fixedly connected with the output shaft, the eccentric block generates centrifugal force, the smoke absorbing mechanism generates vibration, the supporting assembly vibrates, the operating platform rotates to a proper angle to be matched with wind power generated by the air blower and the vibration generated by the smoke absorbing mechanism, welding slag is collected into the accommodating box, welding slag collection is completed, and the effect of rapid cleaning is achieved.
3. According to the invention, by arranging the eccentric block, the rotating blade and the like, in the process of promoting the removal of welding slag after the circuit board is welded and the eccentric block generates vibration, the controller controls the output shaft of the stepping motor to rotate so as to respectively drive the first crawler belt and the second crawler belt to transmit, finally, the operating platform and the rotating blade rotate by a certain angle, and air generated by the air blower blows air to cool the circuit board on the operating platform through the rotating blade, so that the welding slag is blown off and the removal of the welding slag is promoted.
Drawings
FIG. 1 is a schematic structural diagram disclosed in the present invention;
FIG. 2 is a cross-sectional view of the support assembly;
FIG. 3 is a schematic structural view of the clamping mechanism;
FIG. 4 is a cross-sectional view of the invert assembly;
FIG. 5 is a schematic structural view of the first clamping block and the second receiving groove when they are connected;
FIG. 6 is a cross-sectional view of FIG. 5;
FIG. 7 is a schematic structural view of a soot absorption mechanism;
fig. 8 is a schematic structural view of fig. 2 from another angle.
In the figure: 1. a support assembly; 101. an accommodating box; 102. a supporting block; 103. a first abdicating groove; 104. a partition plate; 105. a discharge pipe; 106. a buffer device; 2. a clamping mechanism; 201. an operating platform; 202. a second abdicating groove; 203. a first accommodating groove; 204. a first clamping block; 205. a second accommodating groove; 206. a second clamp block; 207. a first round bar; 208. a first stopper; 209. a spring; 210. a first cylinder; 211. a screw rod; 212. a knob; 213. rotating the rod; 3. a turnover mechanism; 301. a stepping motor; 302. a first track; 303. a second crawler belt; 304. a second linkage gear; 305. a third driving gear; 306. a rotating blade; 307. a first linkage gear; 308. a third crawler belt; 4. a smoke absorbing mechanism; 401. an absorption frame; 402. a connecting pipe; 403. a pressure detection device; 404. an exhaust pipe; 405. a blast box; 406. a double-shaft motor; 407. an eccentric block; 408. an electromagnetic bolt; 409. a second cylinder; 5. an electric soldering iron.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the scope of the present disclosure.
As shown in fig. 1-8, the present invention discloses a welding device for processing a circuit board, which comprises an electric soldering iron 5, and is characterized in that: including supporting component 1, supporting component 1 is including holding case 101, bottom surface lies in the coplanar in bottom surface and discharging pipe 105 in holding case 101 bottom surface slope setting and holding case 101 in the case 101, it is fixed with two baffles 104 to hold case 101 internal symmetry, two baffles 104 surfaces will hold case 101 inside middle chamber and the both sides chamber of being divided into with discharging pipe 105 one relative medial surface coincidence and two baffles 104 respectively, middle chamber and discharging pipe 105 intercommunication, it is fixed with two supporting blocks 102 to hold case 101 bottom symmetry, two supporting blocks 102 bottom fixed mounting have buffer 106. The supporting component 1 is provided with a clamping mechanism 2 and a turnover mechanism 3, and the supporting component 1 is internally provided with a smoke dust absorption mechanism 4.
The clamping mechanism 2 comprises an operating platform 201, two first clamping blocks 204, two second clamping blocks 206, a screw rod 211 and a rotating rod 213, wherein the operating platform 201 is positioned in the first yielding groove 103, two sides of the operating platform 201 are rotatably connected with a relative inner wall of the first yielding groove 103 through the rotating rod 213, the upper surface of the operating platform 201 is provided with a second yielding groove 202 and a first accommodating groove 203, the first accommodating groove 203 is positioned in the middle of the second yielding groove 202, the two first clamping blocks 204 and the two second clamping blocks 206 are in one-to-one correspondence and are both positioned in the second yielding groove 202, two sides of the two first clamping blocks 204 are slidably connected with a sliding groove at the inner side of the second yielding groove 202, the first clamping blocks 204 are positioned below the corresponding second clamping blocks 206, the bottom surfaces of the first clamping blocks 204 are provided with second accommodating grooves 205, a first round rod 207 is fixed at a position, corresponding to the second accommodating groove 205, the other end of the first round rod 207 penetrates through the first clamping blocks 204 and is fixed with a first stop block 208, the first stop block 208 is located in the second accommodating groove 205, the first round bar 207 is in sliding fit with the first clamping block 204, a spring 209 is sleeved on the peripheral side face of the first round bar 207, the spring 209 is located in the second accommodating groove 205, two ends of the spring 209 are respectively attached to the inner wall of the second accommodating groove 205 and the first stop block 208, a first cylinder 210 is fixed on one side of the first clamping block 204, the other first clamping block 204 is rotatably connected with one inner wall of the second abdicating groove 202 through a rotating shaft, the lead screw 211 is located in the first accommodating groove 203, one end of the lead screw 211 sequentially penetrates through one inner wall of the first accommodating groove 203 and the first cylinder 210, the lead screw 211 is in threaded fit with the operating platform 201, the lead screw 211 is rotatably connected with the first cylinder 210, the other end of the lead screw 211 is fixed with a knob 212, two sides of the operating platform 201 are respectively and fixedly connected with rotating rods 213, the rotating rods 213 are rotatably connected with two sides of the accommodating box 101, and the electric soldering iron 5 is installed on the upper surface of the accommodating box 101.
The turnover mechanism 3 comprises a stepping motor 301, the output end of the stepping motor 301 is in transmission connection with a first crawler belt 302 and a second crawler belt 303 respectively, and the other end of the first crawler belt 302 is in transmission connection with a first linkage gear 307 on the end part of a rotating rod 213 close to the stepping motor 301; the rotor gear on the turnover motor 301 enables the rotating speed of the first linkage gear 307 to be the same as that of the second linkage gear 304 through the meshed first crawler belt 302 and the second crawler belt 303, and the other end of the second crawler belt 303 is in transmission link with the second linkage gear 304; the second linkage gear 304, the second linkage gear 304 is in transmission connection with a third linkage gear 305 through a third crawler 308, the third linkage gear 305 is fixedly connected with a rotating blade 306, the rotating blade 306 rotates synchronously along with the operating platform 201 when the operating platform 201 rotates through the first linkage gear, the first linkage gear 305 is positioned inside the smoke dust absorption mechanism 4, the initial position of the rotating blade 306 is in the horizontal direction, the rotating blade 306 rotates 90 degrees, the rotating blade 306 forms a seal for the absorption frame 401, air in the absorption frame 401 is drawn out through the mutual matching of the connecting pipe 402 and the blower, at the moment, when the pressure value detected by the pressure detection device 403 is close to negative pressure, the double-shaft motor 406 is enabled to reversely rotate to blow air into the absorption frame 401, the operation platform 201 and the rotating blades 306 are enabled to rotate through the stepping motor 301, and then welding slag is enabled to be discharged.
The smoke dust absorption mechanism 4 comprises an absorption frame 401, a connecting pipe 402 is fixedly communicated with the inner side surface of the absorption frame 401, a pressure detection device 403 is arranged in the connecting pipe 402, the other end of the connecting pipe 402 is connected with a blast box 405, an air outlet of the blast box 405 is fixedly communicated with an exhaust pipe 404, the blast box 405 is connected with an output shaft at one side of a double-shaft motor 406, an electromagnetic bolt 408 is arranged on an output shaft at the other side of the double-shaft motor 406, an eccentric block 407 is correspondingly arranged on the electromagnetic bolt 408, the eccentric block 407 is rotatably connected with a second cylinder 409, an inserting rod of the electromagnetic bolt 408 is inserted into the eccentric block 407, the double-shaft motor 406 drives the eccentric block 407 to rotate through the electromagnetic bolt 408, the eccentric block 407 drives the containing box 101 and the operation platform 201 to vibrate, therefore, welding slag generated by welding falls into the containing box 101 under the action of vibration, and the welding slag falls into the containing box 101 and is discharged from the discharge pipe 105 through the vibration of the containing box 101 matched with the inclined surface arranged on the bottom surface of the containing box 101.
The sliding groove is formed in the second abdicating groove 202, the two ends of the first clamping block 204 are connected with the second abdicating groove 202 in a sliding mode through the sliding groove, when the clamp moves through the knob 212, due to the fact that the sliding groove limits the clamp, the horizontal position of the clamp cannot change, and when the operating platform 201 rotates, the position of the clamp relative to the operating platform 201 cannot change, and stability of the clamp is improved.
The controller controls the output shaft of the stepping motor 301 to rotate so as to drive the first crawler 302 and the second crawler 303 to transmit, so that the first linkage gear 307 and the second linkage gear 304 synchronously rotate, and meanwhile, the second linkage gear 304 drives the third linkage gear 305 to synchronously rotate through the third crawler 308, so that the operating platform 201 connected with the first linkage gear 307 and the rotating blade 306 connected with the third linkage gear 305 synchronously rotate, and the functions are at least three: firstly, the angle of the operating platform is adjusted, so that the circuit board can change the angle, and different electrical elements can be welded at different angles; secondly, the rotating blades 306 synchronously adjust the angle along with the rotation angle and direction of the circuit board and are always in the position beneficial to absorbing the gas generated during welding; thirdly, when the circuit board is soldered, the rotary blade 306 is always in a position that is beneficial for cooling and cleaning the circuit board.
When the dual-shaft motor 406 rotates forward, the blower 405 generates a suction force to suck the toxic gas into the exhaust gas treatment device connected to the exhaust pipe 404 through the connection pipe 402 and the rotation blades, thereby completing the treatment of the exhaust gas.
When the circuit board is welded, the controller controls the output shaft of the stepping motor 301 to rotate so as to respectively drive the first crawler 302 and the second crawler 303 to transmit, so that the first linkage gear 307 and the second linkage gear 304 synchronously rotate, meanwhile, the second linkage gear 304 drives the third linkage gear 305 to synchronously rotate through the third crawler 308, so that the operating platform 201 connected with the first linkage gear 307 and the rotating blade 306 connected with the third linkage gear 305 synchronously rotate, when the operating platform 201 rotates to 90 degrees, the rotating blade 306 synchronously rotates to 90 degrees, at this time, the rotating blade 306 and the absorption frame 401 form a closed space, air in the absorption frame 401 is extracted through the mutual matching of the connecting pipe 402 and the blower, at this time, when the pressure value detected by the pressure detection device 403 is negative pressure, the double-shaft motor 406 reversely rotates to blow air into the absorption frame 401, meanwhile, an electromagnetic bolt 408 on an output shaft of the double-shaft motor 406 is electrified, and the eccentric block 407 of the inserted rod of the electromagnetic bolt 408 is internally provided with an eccentric block 407, so that the double-shaft motor 406 can drive the eccentric block 407 to synchronously rotate through the electromagnetic bolt 408, the rotating eccentric block 407 generates centrifugal force, and the eccentric block 407 can finally drive the smoke absorbing mechanism 4 to generate vibration, so that the supporting component 1 vibrates, the vibration is finally transmitted to the clamping mechanism 2 through the supporting component 1, and welding slag falls into the accommodating box 101 under the action force of the vibration; the controller controls the output shaft of the stepping motor 301 to rotate while the eccentric block 407 vibrates, so that the first caterpillar band 302 and the second caterpillar band 303 are respectively driven to transmit, finally the operating platform 201 and the rotating blades 306 rotate by a certain angle, and the air generated by the air blower 405 blows air to cool the circuit board on the operating platform 201 through the rotating blades 306, is beneficial to blowing off welding slag and promotes the removal of the welding slag.
Hold the interior bottom surface slope setting of case 101 and hold in case 101 bottom surface and discharging pipe 105 bottom surface lie in the coplanar, the discarded object that falls into the bottom surface in holding case 101 under the action of gravity of being convenient for, assemble near discharging pipe 105, it is fixed with two baffles 104 to hold the interior symmetry of case 101, two baffles 104 surfaces coincide with a discharging pipe 105 relative medial surface respectively and two baffles 104 will hold the inside lumen and the both sides chamber that divide into of case 101, the lumen communicates with discharging pipe 105, be convenient for assemble the discarded object to the discharging pipe 105 mouth of pipe, the ejection of compact of being convenient for.
When the device is used, firstly, the knob 212 is rotated, the first clamping block 204 and the second clamping block 206 on the first clamping block are driven to move towards the direction far away from the other second clamping block 206 through the screw rod 211, so that the distance between the two second clamping blocks 206 is larger than the length of a circuit board, then the second clamping block 206 at one end of the screw rod 211 is pulled upwards, at the moment, the first round rod 207 can slide on the first clamping block 204, the second accommodating groove 205 is in a compressed state, one end of the circuit board is placed between the first clamping block 204 and the second clamping block 206, then the pulled-up second clamping block 206 is loosened, at the moment, the second clamping block 206 presses one end of the circuit board under the action of the spring 209 to complete the fixation of one end of the circuit board, then the knob 213 is rotated to enable the other end of the circuit board to be close to the other first clamping block 204 and the second clamping block 206, then the process is repeated to complete the fixation of the other end of the circuit board, and the stepping motor 301 is rotated through the controller to enable the operation platform 201 and the rotating blade 306 to rotate to the required position for welding Then, before welding, a user can open the blast box 403, the absorption frame 401 can absorb peculiar smell generated by welding under the action of the blast box 405, when welding is finished, the operation platform 201 is rotated to 90 degrees, meanwhile, the rotating blades 306 synchronously rotate to 90 degrees, at the moment, the rotating blades 306 and the absorption frame 401 form a closed space, air in the absorption frame 401 is pumped out through mutual matching of the connecting pipe 402 and the blast fan, at the moment, the double-shaft motor 406 is enabled to reversely blow air into the absorption frame 401 when the pressure value detected by the pressure detection device 403 is negative pressure, meanwhile, the electromagnetic bolt 408 on the output shaft of the double-shaft motor 406 is energized, the eccentric block 407 is fixedly connected with the output shaft, the eccentric block 407 generates centrifugal force, the smoke dust absorption mechanism 4 generates vibration, the support assembly 1 vibrates, and meanwhile, welding slag is collected to the output shaft by matching of wind power generated by the blast fan 405 rotating the operation platform 201 to a proper angle and the vibration generated by the smoke dust absorption mechanism 4 In the containing box 101, the collection of welding slag is completed, the welding slag is finally discharged through the discharge pipe 105, and the operation platform 201 is reset after waste cleaning, so that the welding work is completed.
In summary, the following steps: on one hand, the controller controls the output shaft of the stepping motor 301 to rotate so as to respectively drive the first crawler belt 302 and the second crawler belt 303 to transmit, so that the first linkage gear 307 and the second linkage gear 304 synchronously rotate, and simultaneously the second linkage gear 304 drives the third linkage gear 305 to synchronously rotate through the third crawler belt 308, so that the operating platform 201 connected with the first linkage gear 307 and the rotating blade 306 connected with the third linkage gear 305 synchronously rotate, on the one hand, the angle of the operating platform can be adjusted, the angle of a circuit board can be changed, and different electrical equipment elements can be welded at different angles; secondly, the rotating blades 306 synchronously adjust the angle along with the rotation angle and direction of the circuit board and are always in the position beneficial to absorbing the gas generated during welding; and thirdly, when the circuit board is welded, the rotating blade is always in a position which is favorable for cooling and cleaning the circuit board. On the other hand, when the dual-shaft motor 406 rotates forward, the blower 405 generates suction force to suck toxic gas into the exhaust gas treatment device connected with the exhaust pipe 404 through the mutual matching of the connecting pipe 402 and the rotating blades, so that the treatment of the exhaust gas is completed; when the double-shaft motor 406 rotates reversely, air is blown into the absorption frame 401, then the absorption frame 401 blows air to the circuit board, and the circuit board is cooled and cleaned under the action of the air blowing; thirdly, when the double-shaft motor 406 reversely blows air into the absorption frame 401, the electromagnetic bolt 408 on the output shaft of the double-shaft motor 406 is electrified to fixedly connect the eccentric block 407 with the output shaft, the eccentric block 407 generates centrifugal force, the smoke dust absorption mechanism 4 generates vibration, the support assembly 1 vibrates, the operation platform 201 rotates to a proper angle, and the wind power generated by the air blower 405 and the vibration generated by the smoke dust absorption mechanism 4 are matched to collect welding slag into the accommodating box 101, so that the collection of the welding slag is completed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although the embodiments of the present disclosure have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the disclosure, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A welding method for a circuit board adopts a welding device for processing the circuit board, and comprises a supporting assembly (1), wherein a clamping mechanism (2) and a turnover mechanism (3) are arranged on the supporting assembly (1), and a smoke dust absorption mechanism (4) is arranged in the supporting assembly (1); the clamping mechanism (2) comprises an operation platform (201); the turnover mechanism (3) comprises a rotating blade (306); the smoke dust absorption mechanism (4) comprises an absorption frame (401), a pressure detection device (403), a blast box (405), a double-shaft motor (406), an electromagnetic bolt (408) and an eccentric block (407); the welding method is characterized by comprising the following steps:
step (1), clamping and fixing two ends of a circuit board through a clamping mechanism (2);
step (2), welding is carried out when the operation platform (201) and the rotating blades (306) rotate to the required positions through the rotation of the turnover mechanism (3);
step (3) when welding is finished, rotating the operation platform (201) to 90 degrees, synchronously rotating the rotating blades (306) to 90 degrees, forming a closed space between the rotating blades (306) and the absorption frame (401), and extracting air in the absorption frame (401) through mutual matching of the connecting pipe and the blower;
step (4), when the pressure value detected by the pressure detection device (403) is negative pressure, the double-shaft motor (406) is enabled to reversely rotate to blow air into the absorption frame (401), meanwhile, an electromagnetic bolt (408) on an output shaft of the double-shaft motor (406) is electrified, an eccentric block (407) is fixedly connected with the output shaft, the eccentric block (407) generates centrifugal force, the smoke dust absorption mechanism (4) generates vibration, meanwhile, the operation platform (201) is rotated to a proper angle to match wind power generated by the air blower (405) and vibration generated by the smoke dust absorption mechanism (4) to collect welding slag into the accommodating box (101), and welding slag collection is completed;
and (5) resetting the operation platform (201) after waste cleaning to finish welding work.
2. The method according to claim 1, wherein the specific step of step (1) comprises: firstly, a knob (212) is rotated, a first clamping block (204) and a second clamping block (206) on the first clamping block are driven to move towards a direction far away from the other second clamping block (206) through a screw rod (211), so that the distance between the two second clamping blocks (206) is greater than the length of a circuit board, then the second clamping block (206) at one end of the screw rod (211) is pulled upwards, at the moment, the first round rod (207) slides on the first clamping block (204) and the second accommodating groove (205) is in a compressed state, then one end of the circuit board is placed between the first clamping block (204) and the second clamping block (206), then the pulled second clamping block (206) is released, at the moment, the second clamping block (206) can press one end of the circuit board under the action of the spring (209) to complete the fixation of one end of the circuit board, then, the knob (213) is rotated to make the other end of the circuit board close to the other first clamping block (204) and the second clamping block (206).
3. The method according to claim 2, characterized in that the clamping mechanism (2) comprises an operating platform (201), rotating rods (213) are fixedly connected to two sides of the operating platform (201) respectively, the rotating rods (213) are rotatably connected to two sides of the accommodating box (101), and the electric soldering iron (5) is installed on the upper surface of the accommodating box (101);
the turnover mechanism (3) comprises a stepping motor (301), the output end of the stepping motor (301) is in transmission connection with a first crawler belt (302) and a second crawler belt (303) respectively, and the other end of the first crawler belt (302) is in transmission connection with a first linkage gear (307) on the end part of a rotating rod (213) close to the stepping motor (301); the other end of the second crawler belt (303) is in transmission linkage with a second linkage gear (304); the second linkage gear (304) is in transmission connection with a third linkage gear (305) through a third crawler belt (308), the third linkage gear (305) is fixedly connected with a rotating blade (306), and the third linkage gear (305) is located inside the smoke and dust absorption mechanism (4);
the smoke and dust absorption mechanism (4) comprises an absorption frame (401), a connecting pipe (402) is fixedly communicated with the inner side surface of the absorption frame (401), a pressure detection device (403) is arranged in the connecting pipe (402), the other end of the connecting pipe (402) is connected with a blast box (405), an air outlet of the blast box (405) is fixedly communicated with an exhaust pipe (404), the blast box (405) is connected with an output shaft on one side of a double-shaft motor (406), an electromagnetic bolt (408) is arranged on an output shaft on the other side of the double-shaft motor (406), an eccentric block (407) is correspondingly arranged on the electromagnetic bolt (408), and the eccentric block (407) is rotatably connected to a second cylinder (409).
4. The method of claim 3, wherein: the inner bottom surface of the accommodating box (101) is obliquely arranged, and the inner bottom surface of the accommodating box (101) and the inner bottom surface of the discharging pipe (105) are positioned on the same plane.
5. The method of claim 4, wherein: the clamping mechanism (2) comprises an operating platform (201), the operating platform (201) is located in a first yielding groove (103), the two sides of the operating platform (201) are rotationally connected with a relative inner wall of the first yielding groove (103) through a rotating rod (213), the upper surface of the operating platform (201) is provided with a second yielding groove (202), a first accommodating groove (203) and a first accommodating groove (203), the first accommodating groove (202) is located in the middle of the second yielding groove, the two first clamping blocks (204) and the two second clamping blocks (206) correspond to each other one by one and are all located in the second yielding groove (202), the two sides of the first clamping blocks (204) are slidably connected with an inner side sliding groove of the second yielding groove (202), the first clamping blocks (204) are located below the corresponding second clamping blocks (206), the bottom surface of the first clamping blocks (204) is provided with a second accommodating groove (205), and a first round rod (207) is fixed at the position, corresponding to the lower surface of the second clamping blocks (206), wherein the second accommodating groove (205), the other end of the first round rod (207) penetrates through the first clamping block (204) and is fixed with a first stop block (208), the first stop block (208) is positioned in the second accommodating groove (205), the first round rod (207) is in sliding fit with the first clamping block (204), a spring (209) is sleeved on the peripheral side of the first round rod (207), the spring (209) is positioned in the second accommodating groove (205), two ends of the spring (209) are respectively attached to the inner wall of the second accommodating groove (205) and the first stop block (208), one side of the first clamping block (204) is fixed with a first cylinder (210), the other side of the first clamping block (204) is rotatably connected with the inner wall of the second accommodating groove (202) through a rotating shaft, the lead screw (211) is positioned in the first accommodating groove (203), one end of the lead screw (211) sequentially penetrates through the first accommodating groove (203) and the first cylinder (210), and the lead screw (211) is in threaded fit with the operation platform (201), the screw rod (211) is rotatably connected with the first cylinder (210), and a knob (212) is fixed at the other end of the screw rod (211).
6. The method of claim 5, wherein: two clapboards (104) are symmetrically fixed in the containing box (101), one surface of each clapboard (104) coincides with the inner side surface of the discharging pipe (105) and the inside of the containing box (101) is divided into a middle cavity and two side cavities by the two clapboards (104), and the middle cavity is communicated with the discharging pipe (105).
7. The method of claim 6, wherein: supporting component (1) is including holding case (101), it is fixed with two supporting shoes (102) to hold case (101) bottom symmetry, it has first groove (103) of stepping down to hold case (101) upper surface to have seted up, it has discharging pipe (105), two to hold fixed intercommunication in case (101) one side supporting shoe (102) bottom fixed mounting has buffer (106).
8. The method of claim 7, wherein: and the rotor gear on the overturning motor (301) enables the rotating speed of the first linkage gear (307) to be the same as that of the second linkage gear (304) through the meshed first crawler belt (302) and second crawler belt (303).
9. The method of claim 8, wherein: the initial position of the rotating blade (306) is horizontal, the rotating blade (306) rotates 90 degrees, and the rotating blade (306) forms a seal to the absorption frame (401).
10. The method of claim 9, wherein: the inserted bar of the electromagnetic bolt (408) is inserted into the eccentric block (407), the double-shaft motor (406) drives the eccentric block (407) to rotate through the electromagnetic bolt (408), and the eccentric block (407) drives the containing box (101) and the operating platform (201) to vibrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210505511.3A CN114867227A (en) | 2022-05-10 | 2022-05-10 | Welding method for circuit board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210505511.3A CN114867227A (en) | 2022-05-10 | 2022-05-10 | Welding method for circuit board |
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| CN114867227A true CN114867227A (en) | 2022-08-05 |
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| CN202210505511.3A Pending CN114867227A (en) | 2022-05-10 | 2022-05-10 | Welding method for circuit board |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114867226A (en) * | 2022-05-10 | 2022-08-05 | 朱华 | Welding device for processing circuit board |
| CN118632441A (en) * | 2024-08-09 | 2024-09-10 | 长沙正友精密自动化技术有限公司 | Frock clamp is used in circuit board processing |
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| KR200392817Y1 (en) * | 2005-05-20 | 2005-08-17 | 영화테크(주) | Equipment for soldering of printed circuit board |
| CN213196023U (en) * | 2020-07-24 | 2021-05-14 | 心扬(武汉)智能科技有限公司 | Circuit board welding positioning device |
| CN114867226A (en) * | 2022-05-10 | 2022-08-05 | 朱华 | Welding device for processing circuit board |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200392817Y1 (en) * | 2005-05-20 | 2005-08-17 | 영화테크(주) | Equipment for soldering of printed circuit board |
| CN213196023U (en) * | 2020-07-24 | 2021-05-14 | 心扬(武汉)智能科技有限公司 | Circuit board welding positioning device |
| CN114867226A (en) * | 2022-05-10 | 2022-08-05 | 朱华 | Welding device for processing circuit board |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114867226A (en) * | 2022-05-10 | 2022-08-05 | 朱华 | Welding device for processing circuit board |
| CN118632441A (en) * | 2024-08-09 | 2024-09-10 | 长沙正友精密自动化技术有限公司 | Frock clamp is used in circuit board processing |
| CN118632441B (en) * | 2024-08-09 | 2024-10-22 | 长沙正友精密自动化技术有限公司 | Frock clamp is used in circuit board processing |
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