CN210755718U

CN210755718U - Wave-soldering nitrogen gas safety cover

Info

Publication number: CN210755718U
Application number: CN201921289366.XU
Authority: CN
Inventors: 常有国
Original assignee: Shanghai Hehong Electronic Technology Co Ltd
Current assignee: Shanghai Hehong Electronic Technology Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-06-16
Anticipated expiration: 2029-08-09

Abstract

The utility model relates to the technical field of machinery, specifically be a wave-soldering nitrogen gas safety cover, including two wave-soldering tracks of mutual parallel arrangement, be located and be equipped with the upper shield on the wave-soldering track on right side, closely weld on the roof of upper shield has two locating plates of mutual parallel arrangement, is equipped with the coiled pipe between two locating plates, and the intercommunication has a plurality of nozzle stub on the coiled pipe. This wave-soldering nitrogen gas safety cover utilizes the intake pipe to let in inert gas nitrogen gas to the coiled pipe, and the intercommunication has a plurality of nozzle stub on the coiled pipe for nitrogen gas accumulates in the upper shield after letting in, and through nozzle stub dispersion to the upper shield in, nitrogen gas distributes more evenly, the production of tin slag after the wave-soldering can be reduced in letting in of nitrogen gas, and can make the solder point of circuit board brighter, reduce wave-soldering's welding cost, nitrogen gas distributes inhomogeneous problem during the solution wave-soldering.

Description

Wave-soldering nitrogen gas safety cover

Technical Field

The utility model relates to the technical field of machinery, specifically a wave-soldering nitrogen gas safety cover.

Background

Wave soldering is the soldering process in which the soldering surface of a plug-in board is directly contacted with high-temperature liquid tin to achieve the purpose of soldering, the high-temperature liquid tin keeps an inclined surface, and the liquid tin forms a wave-like phenomenon by a special device, so the wave soldering is called as wave soldering, and the main material of the wave soldering is a soldering tin bar. At present, let in nitrogen gas and can improve the welding effect when carrying out wave-soldering, but nitrogen gas distributes unevenly and can reduce the supplementary welded effect of nitrogen gas when the welding, and be not convenient for use. In view of this, we propose a wave soldering nitrogen shield.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wave-soldering nitrogen gas safety cover to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a wave-soldering nitrogen gas safety cover, includes two wave-soldering tracks of mutual parallel arrangement, is located the right side be equipped with the upper shield on the wave-soldering track, the upper shield with the junction of wave-soldering track surface is equipped with a plurality of hinge, the upper shield passes through the hinge with the wave-soldering track is articulated, the baffle has all closely been welded in the both sides of upper shield, be equipped with the ventilative grid of a plurality of on the baffle, closely weld on the roof of upper shield has two locating plates of mutual parallel arrangement, be equipped with the spacing hole of a plurality of on the locating plate, two be equipped with the coiled pipe between the locating plate, the coiled pipe passes spacing hole, the one end intercommunication of coiled pipe has the intake pipe, the other end intercommunication of coiled pipe has the outlet duct, closely weld on the coiled pipe has a plurality of nozzle stub, the nozzle stub intercommunication the.

Preferably, the intake pipe is vertical setting, just the intake pipe runs through the surface of upper shield and extends to the external world, the outlet duct is the level setting, just the outlet duct is located in the upper shield.

Preferably, when the upper cover is rotated to the wave soldering track through the hinge and is in a buckling state, the other end of the upper cover is lapped on the upper surface of the wave soldering track on the left side.

Preferably, the two ends of the wave-soldering track are both provided with fixing plates, the two ends of each fixing plate are both provided with square holes, the two ends of the upper surface of each fixing plate are both provided with screw holes, and bolts are arranged in the screw holes.

Preferably, the size of the cross section of the wave soldering track is matched with the size of the square hole, and the wave soldering track is in plug-in fit with the fixing plate through the square hole.

Preferably, handles are mounted at two ends of the outer surface of one side, far away from the hinge, of the upper cover.

Preferably, the screw hole runs through the fixed plate and is communicated with the square hole, and the bolt is in threaded connection with the fixed plate through the screw hole.

Preferably, the number of the hinges is 2-4, and the hinges are arranged in a linear equal interval mode.

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

1. this wave-soldering nitrogen gas safety cover utilizes the intake pipe to let in inert gas nitrogen gas to the coiled pipe, and the intercommunication has a plurality of nozzle stub on the coiled pipe for nitrogen gas accumulates in the upper shield after letting in, and through nozzle stub dispersion to the upper shield in, nitrogen gas distributes more evenly, the production of tin slag after the wave-soldering can be reduced in letting in of nitrogen gas, and can make the solder point of circuit board brighter, reduce wave-soldering's welding cost, nitrogen gas distributes inhomogeneous problem during the solution wave-soldering.

2. This wave-soldering nitrogen gas safety cover pegs graft the orbital both ends of wave-soldering in the square hole on the fixed plate to utilize the bolt to fix the orbital both ends of wave-soldering in the square hole, prevent the orbital skew that takes place the position of wave-soldering.

Drawings

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

FIG. 2 is a structural diagram of the open state of the middle and upper covers of the present invention;

fig. 3 is a schematic view of the structure of the middle upper cover of the present invention;

FIG. 4 is a schematic structural view of a serpentine tube according to the present invention;

fig. 5 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 6 is a schematic structural view of a fixing plate in embodiment 2 of the present invention.

In the figure: 1. wave soldering the track; 11. a fixing plate; 111. a square hole; 112. a screw hole; 12. a bolt; 2. an upper cover; 21. a hinge; 22. a partition plate; 221. a breathable grid; 23. positioning a plate; 231. a limiting hole; 24. a handle; 3. a serpentine tube; 31. an air inlet pipe; 32. an air outlet pipe; 33. a short pipe.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

The utility model provides a wave-soldering nitrogen gas safety cover, as shown in fig. 1-4, include two wave-soldering track 1 of mutual parallel arrangement, be located and be equipped with upper shield 2 on the wave-soldering track 1 on right side, the junction of upper shield 2 and wave-soldering track 1 surface is equipped with a plurality of hinge 21, upper shield 2 passes through hinge 21 and is articulated with wave-soldering track 1, the equal close welding in both sides of upper shield 2 has baffle 22, be equipped with a plurality of ventilative grid 221 on the baffle 22, the close welding has two locating plate 23 of mutual parallel arrangement on the roof of upper shield 2, be equipped with a plurality of spacing hole 231 on the locating plate 23, be equipped with coiled pipe 3 between two locating plate 23, coiled pipe 3 passes spacing hole 231, the one end intercommunication of coiled pipe 3 has intake pipe 31, the other end intercommunication of coiled pipe 3 has outlet duct 32, the close welding has a plurality of nozzle stub 33 on the coiled pipe 3.

In the embodiment, the wave-soldering track 1, the upper cover 2 and the coiled pipe 3 are made of steel materials, the steel materials have good rigidity and toughness, the structure is stable and high-temperature resistant, and the service life of the wave-soldering track is prolonged.

Further, intake pipe 31 is vertical setting, and intake pipe 31 runs through the surface of upper shield 2 and extends to the external world, and outlet duct 32 is the level setting, and outlet duct 32 is located upper shield 2, is convenient for utilize intake pipe 31 to let in inert gas nitrogen gas in the coiled pipe 3, and the production of tin dross after the wave-soldering can be reduced in letting in of nitrogen gas to can make the soldering tin point of circuit board brighter, reduce the welding cost of wave-soldering.

In addition, when the upper shield 2 rotates to the wave soldering track 1 through the hinge 21 and is in a buckling state, the other end of the upper shield 2 is lapped on the upper surface of the wave soldering track 1 on the left side, so that the wave soldering track 1 on the left side can support one end of the upper shield 2 away from the hinge 21.

It should be noted that 2 to 4 hinges 21 are provided and arranged at equal intervals, and the number of hinges 21 in this embodiment is preferably 3, so as to facilitate the opening and closing of the upper cover 2 by using the hinges 21.

Specifically, the number of the limiting holes 231 is preferably 8, so that the bent ends of the coiled pipe 3 can sequentially penetrate through the limiting holes 231, the limiting holes 231 are used for limiting and fixing the coiled pipe 3, and the coiled pipe 3 is prevented from shaking.

Furthermore, the number of the ventilation grilles 221 is preferably 25, so that the ventilation grilles 221 can ventilate and radiate the inside of the upper cover 2, and prevent a large amount of heat from accumulating in the upper cover 2 during the welding process.

In this embodiment, two wave soldering tracks 1 are arranged in parallel, and the wave soldering track 1 on the right side is hinged with an upper cover 2 through a hinge 21, two sides of the upper cover 2 are both provided with a partition plate 22, a ventilating grid 221 on the partition plate 22 plays a role in ventilating and radiating the inside of the upper cover 2 to prevent more heat from accumulating in the upper cover 2 during the welding process, meanwhile, two positioning plates 23 arranged in parallel are welded on the top wall of the upper cover 2, the bending end of the serpentine pipe 3 sequentially passes through a limiting hole 231 on the positioning plate 23, the limiting hole 231 is used for limiting and fixing the serpentine pipe 3 to prevent the serpentine pipe 3 from shaking, one end of the serpentine pipe 3 is provided with an air inlet pipe 31, the other end of the serpentine pipe is provided with an air outlet pipe 32, the air inlet pipe 31 is arranged vertically, the air inlet pipe 31 penetrates through the outer surface of the upper cover 2 and extends to the outside, the air outlet, be convenient for utilize intake pipe 31 to let in inert gas nitrogen gas in the coiled pipe 3, and the intercommunication has a plurality of nozzle stub 33 on the coiled pipe 3, make nitrogen gas accumulate in upper shield 2 after letting in, and disperse to the upper shield 2 in through nozzle stub 33, nitrogen gas distributes more evenly, the production of tin dross after the wave-soldering can be reduced in letting in of nitrogen gas, and can make the solder point of circuit board brighter, reduce wave-soldering's welding cost, nitrogen gas distributes inhomogeneous problem during the solution wave-soldering.

Example 2

As a second embodiment of the present invention, the handles 24 are installed at both ends of the outer surface of the upper cover 2 away from the hinge 21, so as to facilitate the lifting of the handles 24 or the fastening of the upper cover 2.

Example 3

As a third embodiment of the present invention, as shown in fig. 5 and fig. 6, both ends of the wave soldering track 1 are provided with the fixing plate 11, both ends of the fixing plate 11 are provided with the square holes 111, both ends of the upper surface of the fixing plate 11 are provided with the screw holes 112, and the bolts 12 are provided in the screw holes 112.

In this embodiment, the cross sectional dimension of wave-soldering track 1 and the size looks adaptation of quad slit 111, wave-soldering track 1 pass through

quad slit

111 and 11 grafting cooperations of fixed plate, are convenient for utilize quad slit 111 at 11 both ends of fixed plate to fix two parallel arrangement's wave-soldering track 1.

Further, screw 112 runs through fixed plate 11 and square hole 111 intercommunication, and bolt 12 passes through screw 112 and fixed plate 11 threaded connection, is convenient for utilize bolt 12 to screw 112 in to make bolt 12 stretch into the one end in square hole 111 and offset with wave-soldering track 1's surface, fixes the both ends of wave-soldering track 1 in square hole 111.

In this embodiment, peg graft in the quad slit 111 on fixed plate 11 with the both ends of wave-soldering track 1, and utilize bolt 12 to precession in screw 112, and make bolt 12 stretch into one end in quad slit 111 and the surface of wave-soldering track 1 offset, fix the both ends of wave-soldering track 1 in quad slit 111, be convenient for utilize fixed plate 11 to fix two parallel arrangement's wave-soldering track 1, prevent the skew that wave-soldering track 1 took place the position.

When the wave-soldering nitrogen protection cover of the utility model is used, the two wave-soldering tracks 1 are arranged in parallel, the wave-soldering track 1 on the right side is hinged with the upper cover 2 through the hinge 21, the two sides of the upper cover 2 are both provided with the partition boards 22, the ventilating grilles 221 on the partition boards 22 play a role in ventilating and radiating the inside of the upper cover 2, and more heat accumulated in the upper cover 2 in the welding process is prevented, meanwhile, the top wall of the upper cover 2 is welded with the two positioning boards 23 arranged in parallel, the bending end of the coiled pipe 3 sequentially passes through the limiting holes 231 on the positioning boards 23, the limiting holes 231 are utilized to play a role in limiting and fixing the coiled pipe 3, so as to prevent the coiled pipe 3 from shaking, one end of the coiled pipe 3 is provided with the air inlet pipe 31, the other end of the coiled pipe is provided with the air outlet pipe 32, the air inlet pipe 31 is arranged vertically, and the air inlet pipe 31 penetrates through the, the inlet pipe 31 is convenient for introducing inert gas nitrogen into the coiled pipe 3, the coiled pipe 3 is communicated with a plurality of short pipes 33, the nitrogen is accumulated in the upper cover 2 after being introduced, and is dispersed into the upper cover 2 through the short pipes 33, the nitrogen is distributed more uniformly, the introduction of the nitrogen can reduce the generation of tin slag after wave soldering, and can make the soldering points of the circuit board brighter, and reduce the soldering cost of the wave soldering, in addition, the two ends of the wave soldering track 1 are inserted into the square holes 111 on the fixing plate 11, the bolts 12 are screwed into the screw holes 112, one ends of the bolts 12 extending into the square holes 111 are abutted against the outer surface of the wave soldering track 1, the two ends of the wave soldering track 1 are fixed in the square holes 111, the two wave soldering tracks 1 arranged in parallel are convenient to be fixed by the fixing plate 11, and the deviation of the position of the wave soldering track 1 is prevented, the problem of nitrogen gas uneven distribution during wave-soldering is solved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a wave-soldering nitrogen gas safety cover, includes two wave-soldering track (1) of mutual parallel arrangement, its characterized in that: an upper cover (2) is arranged on the wave-soldering track (1) on the right side, a plurality of hinges (21) are arranged at the joint of the upper cover (2) and the outer surface of the wave-soldering track (1), the upper cover (2) is hinged with the wave-soldering track (1) through the hinges (21), partition plates (22) are tightly welded on the two sides of the upper cover (2), a plurality of breathable grids (221) are arranged on the partition plates (22), two positioning plates (23) which are arranged in parallel are tightly welded on the top wall of the upper cover (2), a plurality of limiting holes (231) are arranged on the positioning plates (23), a coiled pipe (3) is arranged between the two positioning plates (23), the coiled pipe (3) penetrates through the limiting holes (231), one end of the coiled pipe (3) is communicated with an air inlet pipe (31), and the other end of the coiled pipe (3) is communicated with an air outlet pipe (32), a plurality of short pipes (33) are tightly welded on the coiled pipe (3), and the short pipes (33) are communicated with the coiled pipe (3).

2. The wave solder nitrogen shield of claim 1, wherein: intake pipe (31) are vertical setting, just intake pipe (31) run through the surface of upper shield (2) and extend to the external world, outlet duct (32) are the level setting, just outlet duct (32) are located in upper shield (2).

3. The wave solder nitrogen shield of claim 1, wherein: when the upper cover (2) rotates to the wave soldering track (1) through the hinge (21) and is in a buckling state, the other end of the upper cover (2) is lapped on the upper surface of the wave soldering track (1) on the left side.

4. The wave solder nitrogen shield of claim 1, wherein: both ends of wave-soldering track (1) all are equipped with fixed plate (11), the both ends of fixed plate (11) all are equipped with quad slit (111), the upper surface both ends of fixed plate (11) all are equipped with screw (112), be equipped with bolt (12) in screw (112).

5. The wave solder nitrogen shield of claim 4, wherein: the size of the cross section of the wave soldering track (1) is matched with the size of the square hole (111), and the wave soldering track (1) is in plug-in fit with the fixing plate (11) through the square hole (111).

6. The wave solder nitrogen shield of claim 4, wherein: the screw hole (112) penetrates through the fixing plate (11) and is communicated with the square hole (111), and the bolt (12) is in threaded connection with the fixing plate (11) through the screw hole (112).

7. The wave solder nitrogen shield of claim 1, wherein: handles (24) are mounted at two ends of the outer surface of one side, far away from the hinge (21), of the upper cover (2).

8. The wave solder nitrogen shield of claim 1, wherein: the number of the hinges (21) is 2-4, and the hinges are arranged at equal intervals linearly.