CN114025495A

CN114025495A - Circuit board spot welding equipment based on flue circulation mechanism

Info

Publication number: CN114025495A
Application number: CN202111334418.2A
Authority: CN
Inventors: 刘江艳; 邹山红; 彭四清
Original assignee: Huizhou Runzhong Technology Co ltd
Current assignee: Huizhou Runzhong Technology Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-02-08
Anticipated expiration: 2041-11-11
Also published as: CN114025495B

Abstract

The invention discloses circuit board spot welding equipment based on a flue circulating mechanism, which belongs to the technical field of circuit board spot welding and comprises a base, wherein a workbench and an installation frame are fixedly connected onto the base; through setting up the exhaust fan, can inhale the inside of flue circulating pipe with toxic gas, inside rethread first connecting pipe can be leading-in to the purification piece with toxic gas, clear away the subassembly through the inside that sets up ozone at the purification piece, subassembly and nitrogen oxide are clear away to carbon monoxide, can be in proper order with ozone reduction in the toxic gas become oxygen, pass through copper oxide oxidation to carbon dioxide with carbon monoxide, absorb it through sodium hydroxide solution, at last through ammonium carbonate solution, can realize the absorption purification to nitrogen oxide, thereby avoid toxic impurity in the toxic gas to cause the harm to the environment and lead to the fact the damage to the human body.

Description

Circuit board spot welding equipment based on flue circulation mechanism

Technical Field

The invention relates to the technical field of circuit board spot welding, in particular to circuit board spot welding equipment based on a flue circulation mechanism.

Background

The circuit board can be called as a printed circuit board or a printed circuit board, the circuit board is also called as a flexible circuit board, the flexible printed circuit board is made of polyimide or polyester film as a base material, has high reliability and excellent flexibility, has the characteristics of high wiring density, light weight, thin thickness and good bending property, and needs to be subjected to spot welding by adopting spot welding equipment when the circuit board is processed and produced.

When the existing spot welding equipment is used, certain defects still exist, for example, the existing spot welding equipment can generate some toxic gases when a circuit board is subjected to spot welding, the toxic gases contain a large amount of ozone, carbon monoxide, nitrogen oxides and the like, and the spot welding equipment is not provided with a corresponding flue circulation mechanism, so that the toxic gases can pollute the environment and can be sucked into the mouth and nose of workers, and certain irreparable damage can be caused.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide circuit board spot welding equipment based on a flue circulation mechanism, which has the characteristics of absorbing and purifying toxic gas and carrying out secondary utilization.

In order to achieve the purpose, the invention provides the following technical scheme:

a circuit board spot welding device based on a flue circulation mechanism comprises a base, wherein a workbench and a mounting rack are fixedly connected to the base, a driving module is arranged on the mounting rack, a lifting module is fixedly connected to the lower surface of the driving module, a connecting plate is fixedly connected to one end of the lifting module, a spot welding head is arranged on the connecting plate, a flue circulating pipe is arranged at the bottom end of the connecting plate, an exhaust fan is arranged inside the flue circulating pipe, a first connecting pipe is fixedly connected to the upper surface of the flue circulating pipe, a purifying block is fixedly connected to one end of the first connecting pipe, a first purifying groove, a second purifying groove, a third purifying groove, a drying groove and a connecting groove are sequentially formed in the purifying block from right to left, the first purifying groove is communicated with the second purifying groove through the connecting groove, and the first connecting pipe penetrates through the inside of the first purifying groove, first purification groove, second purify groove, third and purify the inside of groove and drying tank and be provided with ozone respectively and clear away subassembly, carbon monoxide and clear away subassembly, nitrogen oxide and clear away subassembly and drying assembly, purify one side fixedly connected with corrugated hose of piece, corrugated hose keeps away from the one end that purifies the piece is provided with the regulation subassembly of blowing, the upper surface of workstation has been seted up a plurality ofly and has been put the thing groove, and is a plurality of the inside of putting the thing groove all is provided with quick positioning assembly.

By adopting the technical scheme, toxic gas generated by the spot welding head during spot welding can be sucked into the flue circulating pipe by arranging the exhaust fan, ozone removing components are arranged in the first purifying tank to reduce the ozone in the toxic gas into oxygen, carbon monoxide removing components are arranged in the second purifying tank to oxidize the carbon monoxide into carbon dioxide and then absorb and remove the carbon dioxide, nitrogen oxide removing components are arranged in the third purifying tank to absorb and remove the nitrogen oxide in the toxic gas, and drying components are arranged in the drying tank to dry the purified toxic gas, so that residual liquid generated when the circuit board is dried is avoided, electric welding damage to the circuit board is avoided, and the air outlet position of the corrugated hose can be adjusted by arranging the adjusting and blowing components, thereby weather the circuit board spot welding position of different positions, great increase the practicality of device, through setting up quick locating component, can realize the quick location and the dismantlement to the circuit board to great improvement the spot welding efficiency of circuit board.

Further, the quick positioning assembly comprises a clamping plate, a T-shaped rod is fixedly connected to one side of the clamping plate, a cavity loop bar and a reset spring are movably sleeved on the outer side of one end of the T-shaped rod, the reset spring is located on the inner sides of the clamping plate and the cavity loop bar, and the cavity loop bar is fixedly connected to one side of the inner cavity of the object placing groove.

By adopting the technical scheme, the rapid positioning component is arranged, so that the rapid positioning and dismounting of the circuit board can be realized, and the spot welding efficiency of the circuit board is greatly improved.

Furthermore, the outer side of the spot welding head is sleeved with a fixed sleeve block, the outer side of the fixed sleeve block is sleeved with a fixed bolt in a threaded manner, the fixed sleeve block is detachably mounted with the spot welding head through the fixed bolt, a reinforcing plate is fixedly connected to the outer side of the fixed sleeve block, and the fixed sleeve block is fixedly connected with the flue circulating pipe through the reinforcing plate.

By adopting the technical scheme, the flue circulating pipe is convenient to disassemble and assemble by arranging the fixing sleeve block, the fixing bolt and the reinforcing plate.

Further, the ozone elimination subassembly includes a plurality of temperature sensor, and is a plurality of the temperature sensor equidistance set up in on the inside wall of first purification groove, the inside top fixedly connected with heating pipe in first purification groove, the spread groove is seted up in temperature sensor's top.

Through adopting above-mentioned technical scheme, clear away the subassembly through the inside at first purification groove sets up ozone, can reduce into oxygen with the ozone in the toxic gas.

Further, the subassembly is clear away to carbon monoxide includes spacing the board of placing, spacing place board fixed connection in the second purifies the inside top in groove, and is located one side of spread groove, spacing both sides of placing the board with the second purifies the inboard wall in groove and laminates mutually, spacing last fixed surface who places the board has cup jointed a plurality of conveyer pipes, the one end of conveyer pipe run through in the second purifies the inside in groove, spacing copper oxide of placing has been placed on the board, the other end demountable installation of conveyer pipe has the dust screen, the second purifies the inside bottom in groove and is provided with the sodium hydroxide solution.

Through adopting above-mentioned technical scheme, clear away the subassembly through the inside carbon monoxide that sets up at the second purification groove, can earlier oxidize carbon monoxide into carbon dioxide and absorb it again and clear away.

Further, nitrogen oxide clears away the subassembly and includes ammonium carbonate solution, ammonium carbonate solution set up in the third purifies the inside of groove, ammonium carbonate solution is formed by a U-shaped groove and two circular arc groove combinations, the setting of circular arc groove is used for avoiding ammonium carbonate solution to take place the backward flow, the third purifies the groove and keeps away from the second purifies the one end inside fixed cover of groove and has connect the second connecting pipe, the outside of second connecting pipe is provided with the check valve.

Through adopting above-mentioned technical scheme, clear away the subassembly through the inside nitrogen oxide that sets up at the third purification groove, can absorb the nitrogen oxide in the toxic gas and clear away.

Further, drying assembly includes the heating plate, the heating plate set up in the inside top of drying tank, discharge tank has been seted up to one side of drying tank, the fixed cover of bellows connect in the inside of discharge tank.

Through adopting above-mentioned technical scheme, through setting up drying assembly in drying tank inside, can carry out the drying with the toxic gas after purifying, avoid it to have the production of residual liquid when weathering the circuit board, avoid then causing the damage to the circuit board electric welding. .

Further, adjust the subassembly of blowing including adjusting the lagging, adjust the lagging fixed cup joint in corrugated pipe keeps away from purify the one end outside of piece, one side fixedly connected with electric push rod of adjusting the lagging, the one end fixedly connected with mounting panel of electric push rod, the mounting panel with base fixed connection, corrugated pipe's outside equidistance is provided with a plurality of movable lagging, and is a plurality of the equal activity of movable lagging cup joint in corrugated pipe's the outside, it is a plurality of equal fixedly connected with bracing piece on the movable lagging, it is a plurality of the bracing piece all with mounting bracket fixed connection.

Through adopting above-mentioned technical scheme, adjust the subassembly of blowing through setting up, can adjust corrugated hose's air-out position to the circuit board spot welding position to different positions weathers.

Furthermore, one side of the clamping plate is fixedly connected with a guide plate, one side of the guide plate penetrates through the outer side of the workbench and is fixedly connected with a limiting pull plate, and the section area value of the limiting pull plate in the main view is larger than that of the guide plate in the main view.

Through adopting above-mentioned technical scheme, through setting up deflector and spacing arm-tie, be convenient for spur the cardboard.

Furthermore, the cardboard is formed by two rectangular plate combinations, and two the angle value between the rectangular plate is ninety degrees, the both sides of cardboard with put the inner chamber both sides of thing groove and laminate mutually.

Through adopting above-mentioned technical scheme, form by two rectangular plate combinations through the cardboard, the angle value between two rectangular plates is ninety degrees, can carry out the block with the circuit board and fix.

In conclusion, the invention has the following beneficial effects:

1. through setting up the exhaust fan, can inhale the inside of flue circulating pipe with toxic gas, the rethread sets up first connecting pipe and can lead to the inside of purifying the piece with toxic gas, it clears away the subassembly to set up ozone through the inside at purifying the piece, subassembly and nitrogen oxide are clear away to carbon monoxide, can be in proper order with ozone reduction in the toxic gas become oxygen, pass through copper oxide oxidation to carbon dioxide with carbon monoxide, rethread sodium hydroxide solution absorbs it, at last through ammonium carbonate solution, can realize the absorption purification to nitrogen oxide, thereby avoid toxic impurity in the toxic gas to cause the harm to the environment and to lead to the fact the damage to the human body, great increase the practicality of device.

2. Through setting up drying assembly and adjusting the subassembly of blowing, can dry the gas after purifying, then make it pass through the combined action of corrugated hose, regulation lagging and electric push rod, can blow the solder joint of different spot welding departments, make its rapid solidification, great improvement the welding efficiency of circuit board, simultaneously through carrying out the gas drying can avoid causing the damage to the circuit board.

3. Through setting up quick locating component, can be when fixing a position the circuit board, make the deflector drive the cardboard and remove through the spacing arm-tie of pulling, the inside of cavity loop bar is accomodate to T shape pole this moment, and reset spring takes place the compression, under the effect of reset spring reset force, can make T shape pole slowly break away from the inside of cavity loop bar, and then can realize fixing a position fast and dismantling the circuit board through the cardboard to great improvement the spot welding efficiency of circuit board.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic bottom view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 according to the present invention at A;

FIG. 4 is a schematic view of the cross-sectional structure of the purification block of the present invention;

FIG. 5 is a schematic diagram of the structure at B in FIG. 1 according to the present invention;

FIG. 6 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 7 is a schematic view of the structure of FIG. 6 at C in the present invention.

In the figure:

1. a base; 2. a work table; 3. a mounting frame; 4. a driving module; 5. a lifting module; 6. a connecting plate; 7. a spot welding head; 8. a flue circulation pipe; 9. an exhaust fan; 10. fixing the sleeve block; 11. a fixing bolt; 12. a reinforcing plate; 13. a first connecting pipe; 14. a purification block; 15. a first purification tank; 16. a second purification tank; 17. a third purification tank; 18. a drying tank; 19. connecting grooves; 20. a temperature sensor; 21. heating a tube; 22. a limiting placing plate; 23. a delivery pipe; 24. copper oxide; 25. a dust screen; 26. a sodium hydroxide solution; 27. ammonium carbonate solution; 28. a second connecting pipe; 29. a one-way valve; 30. a heating plate; 31. a discharge chute; 32. a corrugated hose; 33. adjusting the sleeve plate; 34. an electric push rod; 35. mounting a plate; 36. a movable sleeve block; 37. a support bar; 38. a storage groove; 39. clamping a plate; 40. a T-shaped rod; 41. a cavity loop bar; 42. a return spring; 43. a guide plate; 44. and a limiting pulling plate.

Detailed Description

Example (b):

the present invention is described in further detail below with reference to figures 1-7.

Referring to fig. 1-7, the present invention provides a technical solution: a circuit board spot welding device based on a flue circulation mechanism comprises a base 1, a workbench 2 and a mounting rack 3 are fixedly connected to the base 1, a driving module 4 is arranged on the mounting rack 3, a lifting module 5 is fixedly connected to the lower surface of the driving module 4, a connecting plate 6 is fixedly connected to one end of the lifting module 5, a spot welding head 7 is arranged on the connecting plate 6, a flue circulating pipe 8 is arranged at the bottom end of the connecting plate 6, an exhaust fan 9 is arranged inside the flue circulating pipe 8, a first connecting pipe 13 is fixedly connected to the upper surface of the flue circulating pipe 8, a purifying block 14 is fixedly connected to one end of the first connecting pipe 13, a first purifying groove 15, a second purifying groove 16, a third purifying groove 17, a drying groove 18 and a connecting groove 19 are sequentially formed in the purifying block 14 from right to left, the first purifying groove 15 is communicated with the second purifying groove 16 through the connecting groove 19, and the first connecting pipe 13 penetrates through the first purifying groove 15, the inside of the first purifying tank 15, the second purifying tank 16, the third purifying tank 17 and the drying tank 18 is respectively provided with an ozone removing component, a carbon monoxide removing component, a nitrogen oxide removing component and a drying component, one side of the purifying block 14 is fixedly connected with a corrugated hose 32, one end of the corrugated hose 32, which is far away from the purifying block 14, is provided with an adjusting and blowing component, the upper surface of the workbench 2 is provided with a plurality of article placing tanks 38, and the inside of the article placing tanks 38 is provided with a quick positioning component;

in this embodiment, by installing the exhaust fan 9, the toxic gas generated by the spot welding head 7 during spot welding can be sucked into the flue circulation pipe 8, by installing the ozone removing component inside the first purifying tank 15, the ozone in the toxic gas can be reduced into oxygen, by installing the carbon monoxide removing component inside the second purifying tank 16, the carbon monoxide can be oxidized into carbon dioxide and then absorbed and removed, by installing the nitrogen oxide removing component inside the third purifying tank 17, the nitrogen oxide in the toxic gas can be absorbed and removed, by installing the drying component inside the drying tank 18, the purified toxic gas can be dried, thereby preventing the generation of residual liquid when the circuit board is dried, further preventing the circuit board from being damaged by electric welding, by installing the adjusting and blowing component, the air outlet position of the bellows 32 can be adjusted, thereby weather the circuit board spot welding position of different positions, great increase the practicality of device, through setting up quick locating component, can realize the quick location and the dismantlement to the circuit board to great improvement the spot welding efficiency of circuit board.

As shown in fig. 1-5, a fixed sleeve 10 is sleeved on the outer side of the spot welding head 7, a fixed bolt 11 is sleeved on the outer side of the fixed sleeve 10 in a threaded manner, the fixed sleeve 10 is detachably mounted with the spot welding head 7 through the fixed bolt 11, a reinforcing plate 12 is fixedly connected on the outer side of the fixed sleeve 10, and the fixed sleeve 10 is fixedly connected with the flue circulation pipe 8 through the reinforcing plate 12; the ozone removing assembly comprises a plurality of temperature sensors 20, the temperature sensors 20 are equidistantly arranged on the inner side wall of the first purifying tank 15, the top end of the interior of the first purifying tank 15 is fixedly connected with a heating pipe 21, and the connecting groove 19 is arranged at the top end of the temperature sensors 20; the carbon monoxide removing assembly comprises a limiting placing plate 22, the limiting placing plate 22 is fixedly connected to the top end of the interior of the second purifying tank 16 and located on one side of the connecting groove 19, two sides of the limiting placing plate 22 are attached to the inner side wall of the second purifying tank 16, a plurality of conveying pipes 23 are fixedly sleeved on the upper surface of the limiting placing plate 22, one ends of the conveying pipes 23 penetrate through the interior of the second purifying tank 16, copper oxide 24 is placed on the limiting placing plate 22, a dust screen 25 is detachably mounted at the other end of each conveying pipe 23, and a sodium hydroxide solution 26 is arranged at the bottom end of the interior of the second purifying tank 16; the nitrogen oxide removing component comprises an ammonium carbonate solution 27, the ammonium carbonate solution 27 is arranged in the third purifying tank 17, the ammonium carbonate solution 27 is formed by combining a U-shaped tank and two arc tanks, the arc tanks are arranged to prevent the ammonium carbonate solution 27 from flowing back, a second connecting pipe 28 is fixedly sleeved in one end of the third purifying tank 17 far away from the second purifying tank 16, and a check valve 29 is arranged on the outer side of the second connecting pipe 28; the drying component comprises a heating sheet 30, the heating sheet 30 is arranged at the top end of the interior of the drying groove 18, a discharge groove 31 is formed in one side of the drying groove 18, and a corrugated hose 32 is fixedly sleeved in the discharge groove 31; adjust the subassembly of blowing including adjusting lagging 33, adjust the fixed one end outside of cup jointing in corrugated hose 32 and keeping away from purification piece 14 of lagging 33, adjust one side fixedly connected with electric push rod 34 of lagging 33, the one end fixedly connected with mounting panel 35 of electric push rod 34, mounting panel 35 and base 1 fixed connection, corrugated hose 32's outside equidistance is provided with a plurality of movable lagging 36, the equal activity of a plurality of movable lagging 36 is cup jointed in corrugated hose 32's the outside, equal fixedly connected with bracing piece 37 on a plurality of movable lagging 36, a plurality of bracing pieces 37 all with mounting bracket 3 fixed connection.

In this embodiment, the toxic gas can be sucked into the flue circulation pipe 8 by the exhaust fan 9, and then enters the inside of the purification block 14 through the first connection pipe 13, before the toxic gas enters the inside of the purification block 14, the inside of the first purification tank 15 can be heated by the temperature sensor 20, when the temperature reaches sixty degrees centigrade, the temperature sensor 20 can be stopped by the heating pipe 21, and the temperature inside the first purification tank 15 can be always maintained at about sixty degrees centigrade, at this time, the toxic gas enters the inside of the first purification tank 15, ozone in the toxic gas can be reduced to oxygen at sixty degrees centigrade, and then enters the inside of the second purification tank 16 through the connection groove 19, when the carbon monoxide in the toxic gas meets the copper oxide 24, copper and carbon dioxide gas can be generated, and then the carbon dioxide gas, Oxygen and other toxic gases pass through the copper oxide 24 and enter the sodium hydroxide solution 26, at the moment, carbon dioxide gas is absorbed, then oxygen and the remaining toxic gases enter the third purification tank 17, the toxic nitrogen oxide gases can be absorbed by arranging the ammonium carbonate solution 27, then the gases enter the drying tank 18 through the second connecting pipe 28, water molecules in the gases can be evaporated and dried through the heating sheet 30, and finally the gases are conveyed to the inside of the corrugated hose 32 through the discharge tank 31, when the purified gases enter the inside of the corrugated hose 32, the adjustment sleeve plate 33 is driven by the electric push rod 34 to move transversely, so that the air outlet end of the corrugated hose 32 can be driven to move, the purified gases can be used as a circuit board for quick air drying after being welded, and the practicability of the device is greatly increased, and the damage to workers and the natural environment after the toxic gas is discharged is avoided.

As shown in fig. 1, 6 and 7, the quick positioning assembly includes a clamping plate 39, a T-shaped rod 40 is fixedly connected to one side of the clamping plate 39, a cavity loop bar 41 and a return spring 42 are movably sleeved on the outer side of one end of the T-shaped rod 40, the return spring 42 is located on the inner side of the clamping plate 39 and the cavity loop bar 41, and the cavity loop bar 41 is fixedly connected to one side of the inner cavity of the article holding groove 38; one side of the clamping plate 39 is fixedly connected with a guide plate 43, one side of the guide plate 43 penetrates through the outer side of the workbench 2 and is fixedly connected with a limiting pulling plate 44, and the sectional area value of the main view of the limiting pulling plate 44 is larger than that of the main view of the guide plate 43; the clamping plate 39 is formed by combining two rectangular plates, the angle value between the two rectangular plates is ninety degrees, and two sides of the clamping plate 39 are attached to two sides of an inner cavity of the storage groove 38.

In this embodiment, at first can make deflector 43 drive cardboard 39 and remove through pulling spacing arm-tie 44, when the process that cardboard 39 removed, cavity loop bar 41's inside and reset spring 42 take place the compression are accomodate to T shape pole 40, then place the circuit board and slowly loosen spacing arm-tie 44 behind the inside of putting thing groove 38, cardboard 39 removes to the one side that is close to the circuit board this moment, under the effect of reset spring 42 reset force, can make T shape pole 40 slowly break away from the inside of cavity loop bar 41, and then can carry on spacingly with the circuit board, great improvement the installation and the dismantlement efficiency of circuit board, and then improved its spot welding efficiency.

In the invention: the temperature sensor 20 is of the LCD-130 type and the electrical push rod 34 is of the DTIA100035M type.

The working principle is as follows: when the circuit board is subjected to spot welding, the limiting pull plate 44 is pulled firstly, so that the guide plate 43 drives the clamping plate 39 to move, when the clamping plate 39 moves, the T-shaped rod 40 is accommodated in the cavity sleeve rod 41, the reset spring 42 is compressed, then the circuit board is placed in the object placing groove 38, at the moment, the limiting pull plate 44 is slowly loosened, so that the clamping plate 39 moves towards one side close to the circuit board, under the action of the reset force of the reset spring 42, the T-shaped rod 40 can be slowly separated from the inside of the cavity sleeve rod 41, the circuit board can be limited, and the circuit board can be clamped and fixed as the clamping plate 39 is formed by combining two rectangular plates, and the angle value between the two rectangular plates is ninety degrees;

then the circuit board can be spot welded by the spot welding head 7, a large amount of toxic gas can be generated in the spot welding process, the inside of the toxic gas mainly contains ozone, carbon monoxide, nitrogen oxide and the like, at the moment, the toxic gas can be sucked into the flue circulating pipe 8 through the exhaust fan 9 arranged in the flue circulating pipe 8 and then enters the inside of the purifying block 14 through the first connecting pipe 13, when the toxic gas enters the inside of the purifying block 14, the toxic gas firstly enters the inside of the first purifying tank 15, at the moment, the inside of the first purifying tank 15 can be heated through the temperature sensor 20, when the temperature reaches sixty ℃, the temperature sensor 20 can stop working through the heating pipe 21, the temperature in the first purifying tank 15 can be always maintained at about sixty ℃, at the moment, the toxic gas enters the inside of the first purifying tank 15, ozone in the toxic gas is reduced into oxygen at the temperature of sixty degrees centigrade, then the oxygen and the rest of the toxic gas enter the interior of the second purifying tank 16 through the connecting tank 19, when the carbon monoxide gas in the toxic gas meets the copper oxide 24, the carbon monoxide gas is heated when passing through the interior of the first purifying tank 15, then under the combined action of the copper oxide 24, copper and carbon dioxide gas can be generated, then the carbon dioxide gas, the oxygen and the rest of the toxic gas pass through the copper oxide 24 to enter the interior of the sodium hydroxide solution 26, at the moment, the carbon dioxide gas is absorbed, and by arranging the dust-proof net 25, copper scraps can be prevented from entering the interior of the sodium hydroxide solution 26 to pollute the sodium hydroxide solution, then the oxygen and the rest of the toxic gas enter the interior of the third purifying tank 17, and by arranging the ammonium carbonate solution 27, the toxic nitrogen oxide gas can be absorbed, finally, oxygen and other gases which do not harm human bodies enter the drying tank 18 through the second connecting pipe 28, water molecules in the gases can be evaporated and dried through the heating sheet 30, and finally the gases are conveyed into the corrugated hose 32 through the discharge tank 31, and the gases can be prevented from flowing back through the check valve 29, so that the practicability of the device is greatly improved;

when the gas after purifying enters into corrugated tube 32 inside, drive through electric putter 34 and adjust lagging 33 lateral shifting, thereby can drive corrugated tube 32's air-out end and remove, and when corrugated tube 32 removed flexible, through setting up a plurality of movable sleeve blocks 36 and bracing piece 37, can carry out spacingly and direction to corrugated tube 32, avoid corrugated tube 32 to appear mixed and disorderly condition to take place, with this can air-dry the use fast as circuit board after the electric welding with the gas after purifying, great increase the practicality of device, and cause the harm to staff and natural environment after avoiding toxic gas to discharge.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a circuit board spot welding equipment based on flue circulation mechanism, includes base (1), fixedly connected with workstation (2) and mounting bracket (3) on base (1), be provided with drive module (4) on mounting bracket (3), the lower fixed surface of drive module (4) is connected with lifting module (5), the one end fixedly connected with connecting plate (6) of lifting module (5), be provided with spot welding head (7) on connecting plate (6), its characterized in that: the bottom of connecting plate (6) is provided with flue circulating pipe (8), the inside of flue circulating pipe (8) is provided with exhaust fan (9), the last fixed surface of flue circulating pipe (8) is connected with first connecting pipe (13), the one end fixedly connected with of first connecting pipe (13) purifies piece (14), the inside of purifying piece (14) has been seted up from right side to left side in proper order first and has been purified groove (15), second and has been purified groove (16), third and has been purified groove (17), drying trough (18) and spread groove (19), first purification groove (15) pass through spread groove (19) with second purifies groove (16) and link up mutually, first connecting pipe (13) run through in the inside of first purification groove (15), second purification groove (16), third purification groove (17) and drying trough (18) is provided with ozone respectively and clears away subassembly, subassembly, nitrogen oxide are clear away to carbon monoxide and subassembly and dry subassembly are clear away, one side fixed connection of purification piece (14) has bellows (32), bellows (32) are kept away from the one end of purification piece (14) is provided with the regulation subassembly of blowing, the upper surface of workstation (2) has been seted up a plurality ofly and has been put thing groove (38), and is a plurality of the inside of putting thing groove (38) all is provided with quick locating component.

2. The circuit board spot welding equipment based on the flue circulating mechanism is characterized in that: the quick positioning assembly comprises a clamping plate (39), a T-shaped rod (40) is fixedly connected to one side of the clamping plate (39), a cavity loop bar (41) and a return spring (42) are movably sleeved on the outer side of one end of the T-shaped rod (40), the return spring (42) is located on the inner sides of the clamping plate (39) and the cavity loop bar (41), and the cavity loop bar (41) is fixedly connected to one side of an inner cavity of the object placing groove (38).

3. The circuit board spot welding equipment based on the flue circulating mechanism is characterized in that: the outer side of the spot welding head (7) is sleeved with a fixed sleeve block (10), the outer side thread of the fixed sleeve block (10) is sleeved with a fixed bolt (11), the fixed sleeve block (10) passes through the fixed bolt (11) and the spot welding head (7) in a detachable mode, the outer side of the fixed sleeve block (10) is fixedly connected with a reinforcing plate (12), and the fixed sleeve block (10) passes through the reinforcing plate (12) and a flue circulating pipe (8) in a fixed mode.

4. The circuit board spot welding equipment based on the flue circulating mechanism is characterized in that: ozone clears away the subassembly and includes a plurality of temperature sensor (20), and is a plurality of temperature sensor (20) equidistance set up in on the inside wall of first purification groove (15), the inside top fixedly connected with heating pipe (21) of first purification groove (15), spread groove (19) are seted up in the top of temperature sensor (20).

5. The circuit board spot welding equipment based on the flue circulating mechanism is characterized in that: carbon monoxide clears away the subassembly and includes spacing board (22) of placing, spacing board (22) fixed connection of placing in the second purifies the inside top of groove (16), and is located one side of spread groove (19), spacing both sides of placing board (22) with the second purifies the interior wall of groove (16) and laminates mutually, spacing last fixed surface who places board (22) has cup jointed a plurality of conveyer pipes (23), the one end of conveyer pipe (23) run through in the inside of second purification groove (16), spacing copper oxide (24) of placing on board (22), the other end demountable installation of conveyer pipe (23) has dust screen (25), the inside bottom that the second purified groove (16) is provided with sodium hydroxide solution (26).

6. The circuit board spot welding equipment based on the flue circulating mechanism is characterized in that: the subassembly is clear away to nitrogen oxide includes ammonium carbonate solution (27), ammonium carbonate solution (27) set up in the third purifies the inside of groove (17), ammonium carbonate solution (27) are formed by a U-shaped groove and two circular arc groove combinations, the setting of circular arc groove is used for avoiding ammonium carbonate solution (27) to flow back, third purifies groove (17) and keeps away from the second purifies the one end inside fixed cover of groove (16) and has connect second connecting pipe (28), the outside of second connecting pipe (28) is provided with check valve (29).

7. The circuit board spot welding equipment based on the flue circulating mechanism is characterized in that: the drying assembly comprises a heating sheet (30), the heating sheet (30) is arranged at the top end of the inside of the drying groove (18), a discharge groove (31) is formed in one side of the drying groove (18), and the corrugated hose (32) is fixedly sleeved in the discharge groove (31).

8. The circuit board spot welding equipment based on the flue circulating mechanism is characterized in that: adjust the subassembly of blowing including adjusting lagging (33), adjust lagging (33) fixed cup joint in corrugated hose (32) is kept away from the one end outside of purification piece (14), one side fixedly connected with electric push rod (34) of adjusting lagging (33), the one end fixedly connected with mounting panel (35) of electric push rod (34), mounting panel (35) with base (1) fixed connection, the outside equidistance of corrugated hose (32) is provided with a plurality of movable lagging (36), and is a plurality of the equal activity of movable lagging (36) cup joint in the outside of corrugated hose (32), it is a plurality of equal fixedly connected with bracing piece (37) on movable lagging (36), it is a plurality of bracing piece (37) all with mounting bracket (3) fixed connection.

9. A circuit board spot welding device based on a flue circulating mechanism, according to claim 2, is characterized in that: one side of the clamping plate (39) is fixedly connected with a guide plate (43), one side of the guide plate (43) penetrates through the outer side of the workbench (2), and is fixedly connected with a limiting pull plate (44), and the section area value of the main view of the limiting pull plate (44) is larger than that of the guide plate (43).

10. A circuit board spot welding device based on a flue circulating mechanism, according to claim 2, is characterized in that: the clamping plate (39) is formed by combining two rectangular plates, the angle value between the two rectangular plates is ninety degrees, and two sides of the clamping plate (39) are attached to two sides of an inner cavity of the storage groove (38).