CN214046181U

CN214046181U - A high-efficient hot air solder leveling device for PCB board

Info

Publication number: CN214046181U
Application number: CN202023280423.3U
Authority: CN
Inventors: 杨展仁; 吴泽水
Original assignee: Huizhou Liandajin Electronics Co ltd
Current assignee: Huizhou Liandajin Electronics Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-24
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a high-efficient tin spraying device for PCB board, including the tin spraying organism, the inboard dustproof filter assembly that installs of tin spraying organism, dustproof filter assembly includes ventilation pipe, suction hood, toper connecting pipe, fan, rose box, sealing door, filter screen, water tank, baffle, drain pipe, valve and breather pipe, the inboard embedding of tin spraying organism is installed the ventilation pipe, the ventilation pipe both ends all are connected with the suction hood, the utility model discloses a through dustproof filter assembly, through fan, rose box, filter screen, water tank and breather pipe, the staff of being convenient for extracts the volatile gas of tin liquid, simultaneously, also can carry out double filtration to the gas after the extraction, avoids the harmful substance that mixes the clamp in the gas to cause the healthy of staff and influences, also is convenient for the staff to change the processing to the filter screen and water after using, the difficulty of the staff for replacing the filtering articles is reduced.

Description

A high-efficient hot air solder leveling device for PCB board

Technical Field

The utility model relates to a PCB board processing technology field specifically is a high-efficient hot air solder leveling device for PCB board.

Background

The PCB board is also called as a printed circuit board, is a provider of electrical connection of electronic components, has been developed for more than 100 years, is mainly designed by a territory, and has the main advantages of greatly reducing errors of wiring and assembly and improving the automation level and the production labor rate by adopting the circuit board;

the Chinese patent net discloses an automatic tin spraying device for a PCB, which is 201921288349.4, wherein the bottom of the PCB is fixed by a placing seat in an L-shaped structure through a placing seat, a clamping plate and a spring, the top of the PCB is fixed by an extrusion plate matched with the spring, and the three parts are matched to clamp the PCB;

but the hot air solder leveling device of this patent lacks dustproof filtering component in the in-service use process to cause the gas that volatilizees after the tin liquid sprays to cause staff's uncomfortable easily, and then produce the influence to staff's healthy.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-efficient hot air solder leveling device for PCB board can effectively solve the hot air solder leveling device of this patent that proposes in the above-mentioned background art, lacks dustproof filtering component in the in-service use process to it causes the volatile gas in tin liquid injection back to cause staff's healthy discomfort easily, and then produces the problem of influence to staff's healthy.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency tin spraying device for a PCB comprises a tin spraying machine body, wherein a dustproof filtering component is arranged on the inner side of the tin spraying machine body;

the dustproof filtering component comprises a ventilating pipe, a dust hood, a conical connecting pipe, a fan, a filtering box, a sealing door, a filtering net, a water tank, a baffle, a drain pipe, a valve and a ventilating pipe;

the utility model discloses a tin spraying machine, including spout tin organism, ventilation pipe outside, ventilation pipe, fan, rose box, drain pipe outside, valve, ventilation pipe both ends all are connected with the suction hood, the embedding of ventilation pipe outside middle part installs the taper joint pipe, the taper joint pipe bottom is connected with the fan, the rose box is installed to the fan bottom, rose box side portion articulates there is the sealing door, rose box inboard top sliding connection has the filter screen, the water tank is installed in the embedding of rose box inboard bottom, the rose box bottom corresponds the inboard position department of water tank and installs the baffle, the drain pipe is installed in the embedding of water tank one side bottom, drain pipe outside mid-mounting has the valve, the rose box inboard corresponds filter screen below position department and installs the ventilation pipe.

Preferably, the input end of the fan is electrically connected with the output end of the external power supply, and the filter screen and the horizontal plane form an included angle of thirty degrees.

Preferably, a cleaning flow guide assembly is arranged on the inner side of the tin spraying machine body;

the cleaning flow guide assembly comprises a support frame, a connecting rod, a directional wheel, a balancing weight, a connecting rope, a scraping strip, a flow guide pipe and a water outlet pipe;

the inboard sliding connection of tin spraying machine body has the support frame, the connecting rod is installed to support frame one side top symmetry, directional wheel is installed to the inboard top symmetry of tin spraying machine body, the equal sliding connection in inboard both sides portion of tin spraying machine body has the balancing weight, balancing weight top symmetrical connection has the connection rope, connect a rope tip and connecting rod fixed connection, the balancing weight bottom is connected with scrapes the strip, the honeycomb duct is installed to tin spraying machine body inboard bottom, the embedding of the corresponding honeycomb duct one side position department in tin spraying machine body one side bottom is connected with the outlet pipe.

Preferably, the connecting rope is connected to the outer side of the directional wheel in a sliding mode, and a valve is installed in the middle of the outer side of the water outlet pipe.

Preferably, the constant head tank has been seted up to support frame top limit portion equidistance, support frame one side top sliding connection has the locating lever, the locating lever bottom is connected with the block rubber.

Preferably, the bottom end of the baffle is higher than the bottom of the inner side of the water tank, and the bottom of the outer side of the drain pipe is located at the position of one side of the bottom end of the baffle.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with dustproof filtering component, through fan, rose box, filter screen, water tank and breather pipe, the staff of being convenient for extracts the volatile gas of tin liquid, simultaneously, also can carry out dual filtration to the gas after the extraction, avoids mixing the harmful substance that presss from both sides in the gas and to cause the influence to staff's healthy, and the staff of also being convenient for changes the processing to filter screen and water after the use, has reduced the staff and has changed the degree of difficulty of filtering article.

2. Be provided with clean water conservancy diversion subassembly, through connecting rope, directional wheel, balancing weight and scraping the strip, the staff of being convenient for strikes off the processing to the inboard adnexed tin liquid of tin spraying organism to reduced the degree of difficulty of staff's clearance tin liquid, simultaneously, through the cooperation of honeycomb duct and outlet pipe, the staff of being convenient for collects the tin liquid after the clearance, and the staff of also being convenient for discharges the tin liquid after collecting.

3. Be provided with constant head tank, locating lever and block rubber, the staff of being convenient for is injectd the position of PCB board bottom, and simultaneously, the staff of also being convenient for cushions the pressure that the locating lever moved down, avoids the too big damage that causes the PCB board of pressure to improve the degree of difficulty that the staff placed the PCB board, improved the work efficiency of the tin spraying of PCB board.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the installation structure of the dust hood of the present invention;

FIG. 3 is a schematic view of the cleaning guide assembly of the present invention;

FIG. 4 is a schematic structural view of the dustproof filter assembly of the present invention;

reference numbers in the figures: 1. a tin spraying machine body;

2. a dust-proof filter assembly; 201. a vent pipe; 202. a dust hood; 203. a tapered connecting pipe; 204. a fan; 205. a filter box; 206. a sealing door; 207. a filter screen; 208. a water tank; 209. a baffle plate; 210. a drain pipe; 211. a valve; 212. a breather pipe;

3. cleaning the flow guide assembly; 301. a support frame; 302. a connecting rod; 303. a directional wheel; 304. a balancing weight; 305. connecting ropes; 306. scraping the strips; 307. a flow guide pipe; 308. a water outlet pipe;

4. positioning a groove; 5. positioning a rod; 6. a rubber block.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a technical solution, a high-efficiency tin spraying device for PCB, comprising a tin spraying machine body 1, in order to facilitate the filtering treatment of the volatile gas in the tin liquid spraying process by the staff, a dustproof filtering component 2 is installed inside the tin spraying machine body 1;

the dustproof filter assembly 2 comprises a ventilation pipe 201, a dust hood 202, a conical connecting pipe 203, a fan 204, a filter box 205, a sealing door 206, a filter screen 207, a water tank 208, a baffle 209, a drain pipe 210, a valve 211 and a vent pipe 212;

the inner side of a tin spraying machine body 1 is embedded and installed with a vent pipe 201, the two end parts of the vent pipe 201 are both connected with a dust hood 202, the middle part of the outer side of the vent pipe 201 is embedded and installed with a conical connecting pipe 203, the bottom end of the conical connecting pipe 203 is connected with a fan 204, the model of the fan 204 is SAFD-250, the input end of the fan 204 is electrically connected with the output end of an external power supply, the bottom end of the fan 204 is installed with a filter box 205, the side edge part of one side of the filter box 205 is hinged with a sealing door 206, the top part of the inner side of the filter box 205 is connected with a filter screen 207 in a sliding way, the filter screen 207 forms an included angle of thirty degrees with the horizontal plane, the bottom part of the inner side of the filter box 205 is embedded and installed with a water tank 208, the bottom end of the filter box 205 is installed with a baffle 209 corresponding to the position of the inner side of the water tank 208, the bottom end of the baffle 209 is higher than the position of the inner side of the water tank 208, the bottom part of one side of the water tank 208 is embedded and installed with a drain pipe 210, the bottom end of the baffle 209, a valve 211 is arranged in the middle of the outer side of the water discharge pipe 210, and a vent pipe 212 is arranged on the inner side of the filter box 205 corresponding to the lower position of the filter screen 207, so that a worker can replace the used water conveniently;

in order to facilitate workers to clean tin liquid attached to the inner side of the tin spraying machine body 1, a cleaning flow guide assembly 3 is arranged on the inner side of the tin spraying machine body 1;

the cleaning flow guide assembly 3 comprises a support frame 301, a connecting rod 302, a directional wheel 303, a balancing weight 304, a connecting rope 305, a scraping strip 306, a flow guide pipe 307 and a water outlet pipe 308;

the inner side of a tin spraying machine body 1 is connected with a support frame 301 in a sliding mode, the top of one side of the support frame 301 is symmetrically provided with a connecting rod 302, the top of the inner side of the tin spraying machine body 1 is symmetrically provided with a directional wheel 303, two side parts of the inner side of the tin spraying machine body 1 are connected with a balancing weight 304 in a sliding mode, the top end of the balancing weight 304 is symmetrically connected with a connecting rope 305, the connecting rope 305 is connected to the outer side of the directional wheel 303 in a sliding mode, one end of the connecting rope 305 is fixedly connected with the connecting rod 302, the bottom end of the balancing weight 304 is connected with a scraping strip 306, the bottom of the inner side of the tin spraying machine body 1 is provided with a flow guide pipe 307, a water outlet pipe 308 is embedded and connected at the position, corresponding to one side of the flow guide pipe 307, and a valve 211 is arranged in the middle of the outer side of the water outlet pipe 308, so that a worker can discharge cleaned tin liquor conveniently;

in order to facilitate the staff to fix the position of PCB board, constant head tank 4 has been seted up to support frame 301 top limit portion equidistance, and support frame 301 one side top sliding connection has locating

lever

5, and 5 bottoms of locating lever are connected with rubber block 6 to avoid locating lever 5 to the too big damage that causes the PCB board of the pressure of PCB board.

The utility model discloses a theory of operation and use flow: a high-efficiency tin spraying device for a PCB (printed circuit board), in the practical use process, a worker places the PCB on one side of a support frame 301, at the moment, the bottom position of the PCB can be limited through a positioning groove 4 formed in the surface of the support frame 301, and the positioning rod 5 is moved downwards under the action of a spring through the positioning rod 5, so that a rubber block 6 connected to the bottom end of the positioning rod 5 is in contact with the PCB, the position of the PCB is fixed, the pressure of the positioning rod 5 can be buffered through the rubber block 6, and the PCB is prevented from being damaged due to the fact that the pressure of the positioning rod 5 is too large;

afterwards, the PCB is driven to move downwards through the downward movement of the support frame 301, at the moment, the support frame 301 is fixedly connected with the connecting rod 302 on one side, so that the connecting rod 302 is driven to move downwards, in the moving process of the connecting rod 302, the position of one end part of the connecting rope 305 can be moved, so that the connecting rope 305 slides along the outer side of the directional wheel 303, the position of the balancing weight 304 is moved upwards through the supporting and positioning of the directional wheel 303, and after the PCB is moved to a proper position, the PCB can be subjected to tin spraying treatment through the tin spraying machine body 1;

after the tin spraying of the PCB is finished, a worker starts the fan 204, so that the dust hood 202 can extract gas volatilized in the tin spraying process, the extracted gas sequentially enters the filter box 205 along the vent pipe 201 and the conical connecting pipe 203, at the moment, the filter box 205 passes through the filter screen 207 on the inner side of the filter box 205, the filter screen 207 is made of an active carbon material, the harmful gas and dust impurities mixed in the gas can be subjected to primary filtering treatment, the harmful gas and part of dust are adsorbed, the filtered gas can enter water in the water tank 208 through the diversion of the vent pipe 212, part of the harmful gas and dust impurities soluble in the gas can be mixed in the water through the action of the water, the gas is prevented from being dispersed, and the filtered gas is discharged from one side of the water tank 208;

when support frame 301 upwards removes, can make balancing weight 304 position lapse to make the strip 306 of scraping that balancing weight 304 bottom is connected strike off attached to the tin liquid in the inboard of tin spraying machine body 1, strike off back tin liquid and flow into honeycomb duct 307, then, the staff twists reverse valve 211, can make tin liquid flow out from outlet pipe 308 is inboard.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient hot air solder leveling device for PCB board, includes hot air solder leveling organism (1), its characterized in that: a dustproof filtering component (2) is arranged on the inner side of the tin spraying machine body (1);

the dustproof filtering component (2) comprises a ventilating pipe (201), a dust hood (202), a conical connecting pipe (203), a fan (204), a filtering box (205), a sealing door (206), a filtering net (207), a water tank (208), a baffle (209), a water discharging pipe (210), a valve (211) and a ventilating pipe (212);

a ventilation pipe (201) is embedded in the inner side of the tin spraying machine body (1), two ends of the ventilation pipe (201) are connected with dust hoods (202), a conical connecting pipe (203) is embedded in the middle of the outer side of the ventilating pipe (201), the bottom end of the conical connecting pipe (203) is connected with a fan (204), a filter box (205) is arranged at the bottom end of the fan (204), a sealing door (206) is hinged at one side edge part of the filter box (205), the top of the inner side of the filter box (205) is connected with a filter screen (207) in a sliding way, the bottom of the inner side of the filter box (205) is embedded with a water tank (208), a baffle plate (209) is arranged at the bottom end of the filter tank (205) corresponding to the inner side of the water tank (208), a drain pipe (210) is embedded and installed at the bottom of one side of the water tank (208), a valve (211) is installed in the middle of the outer side of the drain pipe (210), and a vent pipe (212) is arranged at the inner side of the filter box (205) corresponding to the lower position of the filter screen (207).

2. The efficient tin spraying device for the PCB as recited in claim 1, wherein an input end of the fan (204) is electrically connected with an output end of an external power supply, and the filter screen (207) forms an included angle of thirty degrees with a horizontal plane.

3. The efficient tin spraying device for the PCB as claimed in claim 1, wherein a cleaning and guiding assembly (3) is mounted inside the tin spraying machine body (1);

the cleaning and flow guiding assembly (3) comprises a support frame (301), a connecting rod (302), a directional wheel (303), a balancing weight (304), a connecting rope (305), a scraping strip (306), a flow guiding pipe (307) and a water outlet pipe (308);

the inboard sliding connection of tin spraying machine body (1) has support frame (301), connecting rod (302) are installed to support frame (301) one side top symmetry, directional wheel (303) are installed to tin spraying machine body (1) inboard top symmetry, the equal sliding connection of two limit portions in tin spraying machine body (1) inboard has balancing weight (304), balancing weight (304) top symmetrical connection has connection rope (305), connect rope (305) a tip and connecting rod (302) fixed connection, balancing weight (304) bottom is connected with scrapes strip (306), honeycomb duct (307) are installed to tin spraying machine body (1) inboard bottom, the embedding of correspondence honeycomb duct (307) one side position department in tin spraying machine body (1) one side bottom is connected with outlet pipe (308).

4. The efficient tin spraying device for the PCB as claimed in claim 3, wherein the connecting rope (305) is slidably connected to the outer side of the directional wheel (303), and the valve (211) is arranged in the middle of the outer side of the water outlet pipe (308).

5. The efficient tin spraying device for the PCB as claimed in claim 3, wherein the supporting frame (301) has positioning slots (4) equidistantly formed at the top edge portion thereof, the top portion of one side of the supporting frame (301) is slidably connected with positioning rods (5), and the bottom ends of the positioning rods (5) are connected with rubber blocks (6).

6. The efficient tin spraying device for the PCB as recited in claim 5, wherein the bottom end of the baffle plate (209) is higher than the bottom position of the inner side of the water tank (208), and the bottom position of the outer side of the drain pipe (210) is at the position of one side of the bottom end of the baffle plate (209).