CN212634608U

CN212634608U - Lead-free crest welder

Info

Publication number: CN212634608U
Application number: CN202021396879.3U
Authority: CN
Inventors: 方宏
Original assignee: Hangzhou Peizhuo Technology Co ltd
Current assignee: Hangzhou Peizhuo Technology Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-03-02
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a leadless crest welder, which comprises an outer shell, the interior middle part of shell is equipped with mobile cavity, mobile cavity surface one side is equipped with two temperature sensor one, the inside one side of shell just is located mobile cavity is kept away from one side of temperature sensor is equipped with temperature sensor two, shell surface one side is equipped with a plurality of air ducting, air ducting includes the connecting piece, the connecting piece with shell surface connection is fixed, be equipped with the aviation baffle on the connecting piece, air ducting's the outside is equipped with the refrigeration case, the refrigeration case with shell welded fastening, the inside keeping away from of refrigeration case aviation baffle one side is equipped with a plurality of air-cooler, the refrigeration case is kept away from the center department of shell one side is equipped with the air guide piece. Has the advantages that: the filter screen filters dust in the outside air, so that the air entering the air cooler is clean, and the service life of the air cooler is prolonged.

Description

Lead-free crest welder

Technical Field

The utility model relates to a crest welder technical field particularly, relates to a leadless crest welder.

Background

At present, the soldering mechanism of lead-free wave soldering is a process of forming a solder wave with a specific shape on the liquid surface of a solder tank by molten liquid solder under the action of a power pump, placing a PCB inserted with components on a conveyor belt, and penetrating the solder wave through a certain angle and a certain immersion depth to realize soldering of a solder joint. Lead-free wave-soldering can produce a large amount of heats at the during operation, if the heat distributes away in time, this not only can make the unable normal operating of equipment, can bring great potential safety hazard moreover.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a leadless crest welder to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a leadless crest welder comprises a shell, wherein a flow cavity is arranged in the middle of the shell, one side of the outer surface of the flow cavity is provided with a first temperature sensor, one side of the inner part of the shell and one side of the flow cavity, which is far away from the first temperature sensor, is provided with a second temperature sensor, one side of the outer surface of the shell is provided with a plurality of air guide devices, each air guide device comprises a connecting piece, the connecting piece is fixedly connected with the outer surface of the shell, an air guide plate is arranged on the connecting piece, a refrigeration box is arranged on the outer side of the air guide device, the refrigeration box is fixedly welded with the shell, one side of the inner part of the refrigeration box, which is far away from the air guide plate, is provided with a plurality of air coolers, the center of one side of the refrigeration box, is provided with an air guide block, the middle part of the air guide, the center of one side of the air guide block, which is far away from the air delivery branch pipe, is provided with an air delivery pipeline, the inner middle part of the air delivery pipeline is provided with a fan, the bottom of one side of the air delivery pipeline, which is far away from the air delivery branch pipe, is provided with a clamping groove, one side of the air delivery pipeline, which is positioned right above the clamping groove, is provided with a filtering device, the filtering device comprises a filtering plate, the center of the filtering plate is provided with a filtering net, the top center of the filtering plate is provided with a pulling plate, the bottom center of the filtering plate is provided with a clamping block, the clamping block is positioned in the clamping groove, the top center of the refrigerating box is provided with a refrigerating fluid box, one side of the bottom in the refrigerating fluid box is provided with a plurality of refrigerators, one side of the bottom in the refrigerating fluid box, which is far away from the refrigerators is provided with a water pump, refrigeration bottom of the case portion one side is equipped with the wet return, wet return one end with cold liquid case is connected and is link up, another wet return run through to in the shell with the side bottom of the cavity that flows is connected and is link up.

Preferably, a shaft rod is arranged in the middle of the connecting piece, and the connecting piece is movably connected with the outer surface of the shell through the shaft rod.

Preferably, the air deflector is of a semicircular annular structure and is made of an aluminum alloy material, and a layer of heat-insulating coating is arranged on the inner wall of the refrigeration box.

Preferably, the filter screen is provided with a plurality of round filter holes, and one side of the pull plate, which is far away from the filter plate, is provided with a handle.

Preferably, the model of the cold air blower is DAKC-82, and the model of the refrigerator is TEC 1-12703.

Preferably, the water return pipe is made of rubber materials, and sealing rubber rings are arranged at the end parts of the two sides of the water return pipe.

Preferably, the first temperature sensor, the second temperature sensor, the air cooler, the refrigerator, the water pump and the fan are all electrically connected with a controller.

The utility model has the advantages that: the filter screen filters dust in the outside air, so that the air entering the air cooler is clean, and the service life of the air cooler is prolonged; due to the arrangement of the air guide plate, cold air output by the air cooler can flow in the refrigeration box more uniformly; the refrigerator interacts with the water pump, so that the low-temperature cooling liquid in the liquid cooling box circularly flows in the flow cavity, and the temperature on the shell is lowered.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a general structure of a lead-free wave soldering machine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a filtering apparatus of a lead-free wave soldering machine according to an embodiment of the present invention.

In the figure:

1. a housing; 2. a flow chamber; 3. a first temperature sensor; 4. a second temperature sensor; 5. a connecting member; 6. an air deflector; 7. a refrigeration case; 8. an air cooler; 9. a liquid cooling tank; 10. a refrigerator; 11. a water pump; 12. a water delivery pipe; 13. a water return pipe; 14. a wind guide block; 15. a wind delivery pipeline; 16. a wind delivery branch pipe; 17. a fan; 18. a card slot; 19. a filter plate; 20. a filter screen; 21. a clamping block; 22. and (5) pulling the plate.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a leadless crest welder.

Embodiment one, as shown in fig. 1-2, a lead-free crest welder according to an embodiment of the present invention includes a housing 1, a flow cavity 2 is disposed at an inner middle portion of the housing 1, two temperature sensors one 3 are disposed on one side of an outer surface of the flow cavity 2, a temperature sensor two 4 is disposed on one side of an inner portion of the housing 1 and on a side of the flow cavity 2 away from the temperature sensor one 3, a plurality of air guiding devices are disposed on one side of an outer surface of the housing 1, each air guiding device includes a connecting member 5, the connecting member 5 is fixedly connected to the outer surface of the housing 1, an air guiding plate 6 is disposed on the connecting member 5, a refrigeration box 7 is disposed on an outer side of the air guiding device, the refrigeration box 7 is fixedly welded to the housing 1, a plurality of air coolers 8 are disposed on one side of the refrigeration box 7 away from the air guiding plate 6, an air guiding block 14 is disposed at a, a plurality of air delivery branch pipes 16 are arranged at one side of the air guide block 14 close to the refrigeration box 7, the air delivery branch pipes 16 are communicated with the air cooler 8, an air delivery pipeline 15 is arranged at the center of one side of the air guide block 14 far away from the air delivery branch pipes 16, a fan 17 is arranged at the inner middle part of the air delivery pipeline 15, a clamping groove 18 is arranged at the bottom of one side of the air delivery pipeline 15 far away from the air delivery branch pipes 16, a filtering device is arranged at one side of the air delivery pipeline 15 and right above the clamping groove 18, the filtering device comprises a filtering plate 19, a filtering net 20 is arranged at the center of the filtering plate 19, a pulling plate 22 is arranged at the top center of the filtering plate 19, a clamping block 21 is arranged at the bottom center of the filtering plate 19, the clamping block 21 is arranged in the clamping groove 18, a refrigeration liquid box 9 is arranged at the top center of the refrigeration box 7, and a plurality of refrigerators 10 are arranged at one, the refrigerator 10 side of keeping away from of bottom is equipped with water pump 11 in cold liquid case 9, water pump 11 center department is equipped with raceway 12, raceway 12 is kept away from water pump 11 one side run through to shell 1 is inside to be linked up with the cavity 2 that flows, refrigeration case 7 bottom one side is equipped with wet return 13, wet return 13 one end with cold liquid case 9 is connected and is link up, another wet return 13 run through to in the shell 1 with the side bottom of the cavity 2 that flows is connected and is link up.

In the second embodiment, a shaft rod is arranged in the middle of the connecting piece 5, and the connecting piece 5 is movably connected with the outer surface of the shell 1 through the shaft rod. It is clear from the above-mentioned design that the design of the shaft is conventional and therefore will not be described in detail.

In the third embodiment, the air deflector 6 is of a semicircular annular structure, the air deflector 6 is made of an aluminum alloy material, and the inner wall of the refrigeration box 7 is provided with a layer of heat-insulating coating. As can be seen from the above design, the design of the thermal insulation coating is conventional and will not be described in detail.

In the fourth embodiment, a plurality of circular filtering holes are formed in the filtering net 20, a handle is arranged on one side of the pulling plate 22, which is far away from the filtering plate 19, the model of the air cooler 8 is DAKC-82, and the model of the refrigerator 10 is TEC 1-12703. It will be appreciated from the above design that the design of the filter aperture and the handle is conventional and will not be described in detail.

In the fifth embodiment, the water return pipe 13 is made of a rubber material, the end portions of the two sides of the water return pipe 13 are respectively provided with a sealing rubber ring, and the first temperature sensor 3, the second temperature sensor 4, the air cooler 8, the refrigerator 10, the water pump 11 and the fan 17 are electrically connected with a controller. As can be seen from the above design, the design of the gasket is conventional and will not be described in detail.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In summary, with the aid of the technical solution of the present invention, when the temperature detected by the first temperature sensor 3 reaches the set value, the first temperature sensor 3 starts the refrigerator 10 and the water pump 11 through the controller and the external power supply, the refrigerator 10 refrigerates the cooling liquid in the cooling liquid tank 9, and then the water pump 11 pressurizes the water pipe 12 and inputs the water pipe 12 into the flowing cavity 2, and then the cooling liquid returns to the cooling liquid tank 9 through the water return pipe 13, when the cooling liquid flows through the flowing cavity 2, the cooling liquid absorbs heat to take away the high temperature on the housing 1, the water pump 11 drives the cooling liquid to circularly flow, and the heat on the housing 1 is continuously taken away, so that the housing 1 keeps a low temperature; when the temperature sensor II 4 detects that the temperature of the shell 1 reaches a set value, the temperature sensor II 4 starts the fan 17 and the air cooler 8 through the controller and the external power supply, the fan 17 continuously conveys the outside air filtered by the filter screen 20 into the air coolers 8 through the air conveying branch pipes 16, the air coolers 8 continuously convey cold air to the inside of the refrigeration box 7, and the cold air is guided by the air guide plates 6, so that the uniform circulation in the refrigeration box 7 flows, and the temperature of the outer surface of the shell 1 is reduced. .

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The lead-free crest welder is characterized by comprising a shell (1), wherein a flow cavity (2) is arranged in the middle of the inside of the shell (1), two temperature sensors I (3) are arranged on one side of the outer surface of the flow cavity (2), a temperature sensor II (4) is arranged on one side of the inside of the shell (1) and on the side of the flow cavity (2) far away from the temperature sensors I (3), a plurality of air guide devices are arranged on one side of the outer surface of the shell (1), each air guide device comprises a connecting piece (5), the connecting pieces (5) are fixedly connected with the outer surface of the shell (1), an air guide plate (6) is arranged on each connecting piece (5), a refrigeration box (7) is arranged on the outer side of each air guide device, the refrigeration box (7) is fixedly welded with the shell (1), and a plurality of air coolers (8) are arranged on one side of the inside of the refrigeration box (7, the refrigerator is characterized in that an air guide block (14) is arranged at the center of one side, far away from the shell (1), of the refrigerator (7), a plurality of air delivery branch pipes (16) are arranged at the middle part in the air guide block (14) and close to one side of the refrigerator (7), the air delivery branch pipes (16) are connected and communicated with the air cooler (8), an air delivery pipeline (15) is arranged at the center of one side, far away from the air delivery branch pipes (16), of the air guide block (14), a fan (17) is arranged at the middle part in the air delivery pipeline (15), a clamping groove (18) is arranged at the bottom of one side, far away from the air delivery branch pipes (16), of the air delivery pipeline (15) and located right above the clamping groove (18) is provided with a filtering device, the filtering device comprises a filtering plate (19), a filtering net (20) is arranged at the center of the filtering plate (19), and a pulling plate (22) is arranged at the center of the top of, a clamping block (21) is arranged at the center of the bottom of the filter plate (19), the clamping block (21) is positioned in the clamping groove (18), a liquid cooling box (9) is arranged at the center of the top of the cooling box (7), a plurality of refrigerators (10) are arranged at one side of the bottom in the liquid cooling box (9), a water pump (11) is arranged on one side of the bottom in the liquid cooling tank (9) far away from the refrigerator (10), a water delivery pipe (12) is arranged at the center of the water pump (11), one side of the water delivery pipe (12) far away from the water pump (11) penetrates into the shell (1) and is communicated with the flowing cavity (2), a water return pipe (13) is arranged on one side of the bottom of the refrigeration box (7), one end of the water return pipe (13) is communicated with the cold liquid box (9), the other end of the water return pipe (13) penetrates into the shell (1) and is connected and communicated with the bottom of the side edge of the flowing cavity (2).

2. A lead-free wave soldering machine according to claim 1, characterized in that a shaft is provided in the middle of the connector (5), through which shaft the connector (5) is movably connected to the outer surface of the housing (1).

3. The lead-free crest welder according to claim 1, wherein the air deflector (6) is of a semicircular annular structure, the air deflector (6) is made of an aluminum alloy material, and the inner wall of the refrigeration box (7) is provided with a layer of heat insulation paint.

4. A lead-free wave soldering machine as claimed in claim 1, characterized in that the filter screen (20) is provided with a plurality of circular filter holes, and the side of the pull plate (22) remote from the filter plate (19) is provided with a handle.

5. A lead-free wave soldering machine as claimed in claim 1, wherein the cooling air fan (8) is of the DAKC-82 type and the refrigerator (10) is of the TEC1-12703 type.

6. A lead-free wave soldering machine according to claim 1, characterized in that the return pipe (13) is made of rubber material, and both side ends of the return pipe (13) are provided with sealing rubber rings.

7. The lead-free wave soldering machine according to claim 1, wherein the first temperature sensor (3), the second temperature sensor (4), the air cooler (8), the refrigerator (10), the water pump (11) and the fan (17) are electrically connected with a controller.