CN217343923U

CN217343923U - Reflow soldering device

Info

Publication number: CN217343923U
Application number: CN202220264293.4U
Authority: CN
Inventors: 张林凯; 钟海勇; 康炜; 崔思东; 郭海波; 韦巧霞
Original assignee: Shenzhen Xinfeijia Technology Co ltd
Current assignee: Shenzhen Xinfeijia Technology Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-09-02
Anticipated expiration: 2032-02-09

Abstract

The utility model discloses a reflow soldering device in the technical field of reflow soldering machines, which comprises a workbench, wherein a soldering cabin is arranged on the right side of the top of the workbench, a control panel is arranged on the left side of the top of the workbench, a conveying device is also arranged on the right side of the top of the workbench, the left end of the conveying device extends to the left end inside the soldering cabin, a PCB is conveyed on the conveying device, the welding cabin is provided with a purification mechanism, the purification mechanism comprises a gas collection component, a gas suction component, a purification component and a lifting component, the gas collection assembly is positioned above the PCB and is fixedly connected to the lifting assembly, the subassembly of breathing in and the purification unit establish at welding the cabin top, lifting unit establishes inside welding the cabin, the utility model discloses make the peculiar smell that the soldering paste on the PCB board produced when being heated and melting effectively adsorbed the purification in time to guarantee that staff's is healthy, and be favorable to the production environment.

Description

Reflow soldering device

Technical Field

The utility model relates to a reflow soldering machine technical field specifically is a reflow soldering device.

Background

Reflow soldering machine, also called reflow soldering machine or 'reflow oven', is an apparatus which can reliably combine surface mount components and PCB pads together through solder paste alloy by providing a heating environment to melt solder paste, the solder of the reflow soldering machine is solder paste, the solder paste of the soldering technique is solder paste, a proper amount and a proper form of solder paste is coated on the pads of the circuit board in advance, then SMT components are pasted at corresponding positions, the solder paste has certain viscosity to fix the components, then the circuit board with the mounted components enters reflow soldering equipment, a conveying system drives the circuit board to pass through each set temperature area in the equipment, the soldering paste is dried, preheated, melted, wetted and cooled, the components are soldered on the soldering pads, and the core link of reflow soldering is heating by an external heat source, so that the solder is melted and flows and wets again, and the soldering process of the circuit board is completed.

Although the existing reflow soldering machine is operated in a closed space in the welding process and has no peculiar smell, when workers open a cabin door to take materials after the welding is finished, the existing reflow soldering machine still can smell a heavy pungent peculiar smell, is not beneficial to the health of the workers and pollutes the production environment, so that the development of a reflow soldering device is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reflow soldering device to solve the current reflow soldering machine who proposes in the above-mentioned background art and be in at the enclosure space operation in welding process, the free from extraneous odour effluvium, nevertheless when welding completion back staff opens the hatch door and gets the material, still can smell heavier pungent nature peculiar smell, be unfavorable for that the staff is healthy, and pollute the problem of production environment.

In order to achieve the above object, the utility model provides a following technical scheme: a reflow soldering device comprises a workbench, wherein a soldering cabin is arranged on the right side of the top of the workbench, a control panel is arranged on the left side of the top of the workbench, a conveying device is further arranged on the right side of the top of the workbench, the left end of the conveying device extends to the left end inside the soldering cabin, a PCB is conveyed on the conveying device, and a purifying mechanism is arranged on the soldering cabin;

the purification mechanism comprises a gas collection assembly, a gas suction assembly, a purification assembly and a lifting assembly, wherein the gas collection assembly is positioned above the PCB, the gas collection assembly is fixedly connected to the lifting assembly, the gas suction assembly and the purification assembly are arranged at the top of the welding cabin, and the lifting assembly is arranged inside the welding cabin.

Preferably, the subassembly of breathing in includes the draught fan, draught fan fixed connection is at welding cabin top, gas collection subassembly and draught fan input fixed connection, purify subassembly and draught fan output fixed connection.

Preferably, the gas collection assembly comprises a gas delivery hose, the gas delivery hose is located inside the welding cabin, a gas delivery hard pipe is fixedly connected to the top end of the gas delivery hose, the top end of the gas delivery hard pipe vertically penetrates through the top of the welding cabin, the top end of the gas delivery hard pipe is fixedly connected with the input end of the induced draft fan, a gas collection hood is fixedly connected to the bottom end of the gas delivery hose, the gas collection hood is fixedly connected to the lifting assembly, and the gas collection hood is located right above the PCB.

Preferably, the purification assembly comprises an activated carbon adsorption tank, the input end of the activated carbon adsorption tank is fixedly connected with the output end of the induced draft fan, and the output end of the activated carbon adsorption tank is fixedly connected with a filtering assembly.

Preferably, the lifting assembly comprises an electric lifting device, the top end of the electric lifting device is fixedly connected to the top of the inner wall of the welding cabin, the output end of the electric lifting device is fixedly connected with a lifting rod, and the gas collecting hood is fixedly connected to the bottom end of the lifting rod.

Preferably, the filtering component comprises a first shell and a second shell, the left end of the first shell is fixedly connected with the output end of the activated carbon adsorption box, an air inlet hole is formed in the center of the first shell, an air outlet hole is formed in the center of the second shell, and the first shell is connected with the second shell through the dismounting component.

Preferably, first shell inner wall right-hand member is equipped with first mounting groove, second shell inner wall left end is equipped with the second mounting groove, the installing frame has been inlayed between first mounting groove and the second mounting groove, the inside filter screen that has inlayed of installing frame, the filter screen is the high-efficient filter screen of HEPA.

Preferably, the dismouting subassembly includes first flange board, second flange board and fixing bolt, first flange board welding is at first shell outer wall right-hand member, second flange board welding is at second shell outer wall left end, fixing bolt quantity is a plurality of, and is a plurality of fixing bolt is circular array and runs through first flange board and second flange board.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the matched use of the purification mechanism, the peculiar smell generated when the soldering paste on the PCB is heated and melted can be effectively adsorbed and purified in time, so that the health of workers is ensured, and the production environment is facilitated;

2. through the cooperation use of the filter assembly who is equipped with, can carry out secondary filter to the air after purifying the peculiar smell, impurity such as dust in the filtering air to improve purifying effect, and under coupling assembling's effect, the staff dismouting of can being convenient for of filter assembly, thereby the staff of being convenient for changes the filter screen, the simple operation, the result of use preferred, suitable popularization.

Drawings

FIG. 1 is a partial sectional view of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is a cross-sectional view of the filter assembly and the connecting assembly of the present invention;

fig. 5 is the three-dimensional structure schematic diagram of the middle mounting frame and the filter screen of the utility model.

In the figure: 1. a work table; 2. welding a cabin; 3. a control panel; 4. a conveying device; 5. a PCB board; 6. an induced draft fan; 7. a gas hose; 8. a gas transmission hard pipe; 9. a gas-collecting hood; 10. an activated carbon adsorption tank; 11. an electric lifting device; 12. a lifting rod; 13. a first housing; 14. a second housing; 15. an air intake; 16. an air outlet; 17. a first mounting groove; 18. a second mounting groove; 19. installing a frame; 20. filtering with a screen; 21. a first flange plate; 22. a second flange plate; 23. and (5) fixing the bolt.

Detailed Description

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

The utility model provides a following technical scheme: referring to fig. 1-5, a reflow soldering device, including the work bench 1, the right side of the top of the work bench 1 is provided with the soldering chamber 2, so that the utility model discloses carry out reflow soldering welding operation in the enclosure space, the left side of the top of the work bench 1 is provided with the control panel 3, the right side of the top of the work bench 1 is also provided with the conveyer 4, the left end of the conveyer 4 extends to the left end inside the soldering chamber 2, the conveyer 4 is conveyed with the PCB 5, so under the conveying action of the conveyer 4, the PCB 5 can be conveyed to the inside of the soldering chamber 2, the soldering chamber 2 is provided with the purification mechanism, the purification mechanism includes the gas collection component, the air suction component, the purification component and the lifting component, the gas collection component is located above the PCB 5, the gas collection component is fixedly connected to the lifting component, the air suction component and the purification component are arranged at the top of the soldering chamber 2, the lifting component is arranged inside the soldering chamber 2;

the gas suction assembly comprises an induced draft fan 6, the induced draft fan 6 is fixedly connected to the top of the welding cabin 2, the gas collection assembly is fixedly connected with the input end of the induced draft fan 6, the purification assembly is fixedly connected with the output end of the induced draft fan 6, the gas collection assembly comprises a gas delivery hose 7, the gas delivery hose 7 is positioned in the welding cabin 2, the top end of the gas delivery hose 7 is fixedly connected with a gas delivery hard pipe 8, the top end of the gas delivery hard pipe 8 vertically penetrates through the top of the welding cabin 2, the top end of the gas delivery hard pipe 8 is fixedly connected with the input end of the induced draft fan 6, the bottom end of the gas delivery hose 7 is fixedly connected with a gas collection cover 9, the gas collection cover 9 is fixedly connected to the lifting assembly, the gas collection cover 9 is positioned right above the PCB 5, the purification assembly comprises an active carbon adsorption box 10, the input end of the active carbon adsorption box 10 is fixedly connected with the output end of the induced draft fan 6, the output end of the active carbon adsorption box 10 is fixedly connected with a filter assembly, so that when the PCB 5 is subjected to reflow welding operation in the welding cabin 2, the working personnel can open the draught fan 6, under the action of the draught fan 6, the peculiar smell generated by the heated and melted soldering paste can be collected by the gas collecting hood 9 in a centralized manner, and then enters the activated carbon adsorption box 10 through the gas transmission hose 7 and the gas transmission hard pipe 8, so that the peculiar smell is effectively adsorbed and purified by the activated carbon adsorption box 10, the body health of the working personnel is ensured, and the production environment is facilitated;

the filtering component comprises a first shell 13 and a second shell 14, the left end of the first shell 13 is fixedly connected with the output end of the activated carbon adsorption box 10, the center of the first shell 13 is provided with an air inlet 15, the center of the second shell 14 is provided with an air outlet 16, the first shell 13 is connected with the second shell 14 through a dismounting component, the right end of the inner wall of the first shell 13 is provided with a first mounting groove 17, the left end of the inner wall of the second shell 14 is provided with a second mounting groove 18, a mounting frame 19 is embedded between the first mounting groove 17 and the second mounting groove 18, a filter screen 20 is embedded inside the mounting frame 19, and the filter screen 20 is an HEPA high-efficiency filter screen, so that the air purified by the activated carbon adsorption box 10 can enter the first shell 13 and the second shell 14 through the air inlet 15 and then is discharged out through the air outlet 16 after being filtered by the filter screen 20, so that the utility model can carry out secondary filtration to the air purified by the peculiar smell, filter impurities such as dust in the air, thereby improve purifying effect, the dismouting subassembly includes first flange board 21, second flange board 22 and fixing bolt 23, first flange board 21 welding is at 13 outer wall right-hand members of first shell, second flange board 22 welding is at 14 outer wall left ends of second shell, fixing bolt 23 quantity is a plurality of, a plurality of fixing bolt 23 are circular array and run through first flange board 21 and second flange board 22, so staff's accessible control forward and reverse rotation fixing bolt 23 control first flange board 21 and the dismouting of second flange board 22, thereby control

first shell

13 and 14 dismouting of second shell, thereby be convenient for the staff changes filter screen 20, the simple operation, the result of use preferred, suitable popularization.

The working principle is as follows: firstly, when the PCB 5 is subjected to reflow soldering operation in the soldering chamber 2, a worker can firstly open the electric lifting device 11, when the electric lifting device 11 does work, the gas collecting hood 9 can be driven by the lifting rod 12 to move up and down, so that the worker can conveniently control the proper position of the gas collecting hood 9, when the worker adjusts the gas collecting hood 9 to the proper position, the draught fan 6 can be then opened, peculiar smell generated by melting of soldering paste by heating can be collected by the gas collecting hood 9 in a centralized manner under the action of the draught fan 6, and then the soldering paste enters the active carbon adsorption box 10 through the gas transmission hose 7 and the gas transmission hard pipe 8, so that the soldering paste is effectively adsorbed and purified by the active carbon adsorption box 10, the body health of the worker is ensured, and the production environment is facilitated;

secondly, the air purified by the activated carbon adsorption box 10 can enter the first shell 13 and the second shell 14 through the air inlet 15, and then is discharged through the air outlet 16 after being filtered by the filter screen 20, so that the utility model can perform secondary filtration on the air purified with peculiar smell, filter out impurities such as dust in the air, and further improve the purification effect;

finally, staff's accessible control is positive reverse rotates fixing bolt 23 and is controlled the dismouting of first flange board 21 and second flange board 22 to control the dismouting of first shell 13 and second shell 14, thereby the staff of being convenient for changes filter screen 20, the simple operation, the result of use preferred, suitable popularization.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a reflow soldering device, includes workstation (1), workstation (1) top right side is equipped with welds cabin (2), and workstation (1) top left side is equipped with control panel (3), and workstation (1) top right side still is equipped with conveyer (4), and conveyer (4) left end extends to welds the inside left end in cabin (2), and the conveying has PCB board (5), its characterized in that on conveyer (4): a purification mechanism is arranged on the welding cabin (2);

the purification mechanism comprises a gas collection assembly, a gas suction assembly, a purification assembly and a lifting assembly, wherein the gas collection assembly is located above the PCB (5), the gas collection assembly is fixedly connected to the lifting assembly, the gas suction assembly and the purification assembly are arranged at the top of the welding cabin (2), and the lifting assembly is arranged inside the welding cabin (2).

2. A reflow soldering apparatus according to claim 1, wherein: the air suction assembly comprises a draught fan (6), the draught fan (6) is fixedly connected to the top of the welding cabin (2), the gas collection assembly is fixedly connected with the input end of the draught fan (6), and the purification assembly is fixedly connected with the output end of the draught fan (6).

3. A reflow soldering apparatus according to claim 2, wherein: the gas collecting assembly comprises a gas conveying hose (7), the gas conveying hose (7) is located inside a welding cabin (2), a gas conveying hard pipe (8) is fixedly connected to the top end of the gas conveying hose (7), the top end of the gas conveying hard pipe (8) vertically penetrates through the top of the welding cabin (2), the top end of the gas conveying hard pipe (8) is fixedly connected with the input end of a draught fan (6), a gas collecting hood (9) is fixedly connected to the bottom end of the gas conveying hose (7), the gas collecting hood (9) is fixedly connected to the lifting assembly, and the gas collecting hood (9) is located over a PCB (5).

4. A reflow soldering apparatus according to claim 2, wherein: the purification assembly comprises an activated carbon adsorption tank (10), the input end of the activated carbon adsorption tank (10) is fixedly connected with the output end of the induced draft fan (6), and the output end of the activated carbon adsorption tank (10) is fixedly connected with a filtering assembly.

5. A reflow soldering apparatus according to claim 3, wherein: the lifting assembly comprises an electric lifting device (11), the top end of the electric lifting device (11) is fixedly connected to the top of the inner wall of the welding cabin (2), the output end of the electric lifting device (11) is fixedly connected with a lifting rod (12), and the gas collecting hood (9) is fixedly connected to the bottom end of the lifting rod (12).

6. A reflow soldering apparatus according to claim 4, wherein: the filter assembly comprises a first shell (13) and a second shell (14), the left end of the first shell (13) is fixedly connected with the output end of the activated carbon adsorption box (10), an air inlet hole (15) is formed in the center of the first shell (13), an air outlet hole (16) is formed in the center of the second shell (14), and the first shell (13) is connected with the second shell (14) through a dismounting assembly.

7. A reflow soldering apparatus according to claim 6, wherein: first shell (13) inner wall right-hand member is equipped with first mounting groove (17), second shell (14) inner wall left end is equipped with second mounting groove (18), install frame (19) have been inlayed between first mounting groove (17) and second mounting groove (18), install frame (19) inside has inlayed filter screen (20), filter screen (20) are HEPA high efficiency filter screen.

8. A reflow soldering apparatus according to claim 6, wherein: the dismouting subassembly includes first flange board (21), second flange board (22) and fixing bolt (23), first flange board (21) welding is at first shell (13) outer wall right-hand member, second flange board (22) welding is at second shell (14) outer wall left end, fixing bolt (23) quantity is a plurality of, and is a plurality of fixing bolt (23) are circular array and run through first flange board (21) and second flange board (22).