CN220480495U

CN220480495U - Combined brazing device for heat exchanger

Info

Publication number: CN220480495U
Application number: CN202321717161.3U
Authority: CN
Inventors: 杨传忠; 秦诗明; 王军
Original assignee: Guizhou Huishui Yongxing Machinery Co ltd
Current assignee: Guizhou Huishui Yongxing Machinery Co ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2024-02-13
Anticipated expiration: 2033-07-03

Abstract

The utility model discloses a combined brazing device for a heat exchanger, which comprises a working box and a brazing mechanism, wherein two fixing rods are symmetrically and fixedly connected to the inner wall of the working box, fixed seats are fixedly connected to the lower ends of the two fixing rods together, and a double-shaft motor is fixedly connected to the upper end face of the fixed seat. According to the utility model, through the matching arrangement of the double-shaft motor, the cross rod and the first bevel gear, the second bevel gear can drive the one-way blade to rotate through the rotating rod, the one-way blade rotates to generate negative pressure, welding smoke generated by brazing is sucked into the bellows through the air pipe and the tuyere, finally enters the adsorption box through the communication hole and is discharged through the air outlet, the welding smoke can be adsorbed through the active carbon filter screen, the welding smoke is prevented from being diffused into the air to pollute the environment, the staff is prevented from sucking in the body, and the harm to the health of the staff is prevented.

Description

Combined brazing device for heat exchanger

Technical Field

The utility model relates to the technical field of brazing for heat exchangers, in particular to a combined brazing device for a heat exchanger.

Background

Along with the improvement of the living standard of people, the requirements of people on the air quality are higher and higher, and a plurality of people use an air-cooled heat exchanger to adjust the surrounding air temperature and the surrounding air quality, wherein the air-cooled heat exchanger is equipment capable of cooling and ventilating, the currently used air-cooled heat exchanger is used for completing heat exchange by outside air through a main flow fan, and brazing refers to a welding method for filling gaps of solid workpieces with liquid brazing filler metal to enable metals to be connected after brazing filler metal and the weldments below the melting point of weldments are heated to the melting temperature of the brazing filler metal at the same time.

The device of current publication number CN216263955U discloses an air-cooled fin heat exchanger composite set that brazes, including brazing the frame, the welding has the operation panel on the inner wall of brazing the frame, the top of operation panel is through the bolt-up platform that brazes, the brazing groove has all been seted up to the top both sides of platform that brazes, one side fixed mounting at operation panel top has the combination case, the bottom inner wall of combination case has motor one through the bolt installation, the top of motor one has the double-screw bolt through the coupling joint, the outer wall threaded connection of double-screw bolt has the external member, electric putter is installed through the bolt to the outer wall of external member one side, electric putter's tip is provided with the material pipe that brazes, the top welding of brazing the frame has the top case, and the top inner wall of top case passes through the bolt and installs motor two, the tip welding of motor two has driving gear. After the stud is driven by the motor I, the external sleeve outside the stud enables the electric push rod to move downwards, so that the brazing material pipe is matched with the brazing heating head to carry out brazing treatment, and the brazing depth can be changed.

The heat exchanger component can be brazed through the device, but welding smoke is generated in the brazing process, so that the welding smoke is easy to pollute the environment, and can be inhaled into the body by a worker for a long time to cause harm to the body health of the worker.

In order to solve the problems, we propose a combined brazing device for a heat exchanger.

Disclosure of Invention

The utility model aims to solve the defects that in the prior art, the heat exchanger component can be brazed through the device, but welding smoke is generated in the brazing process, the welding smoke is easy to pollute the environment, and the welding smoke is inhaled into the body by a worker for a long time and can cause harm to the body health of the worker, so that the combined brazing device for the heat exchanger is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a combination brazing device for heat exchanger, includes work box and brazing mechanism, two dead levers of symmetry fixedly connected with on the inner wall of work box, two the common fixedly connected with fixing base of lower extreme of dead lever, the up end fixedly connected with biax motor of fixing base, two output symmetry fixedly connected with horizontal poles of biax motor, two bellows of symmetry fixedly connected with on the inner wall of work box, two the one end that the horizontal pole is carried on one's back all runs through the lateral wall of bellows and fixedly connected with first helical gear, every all meshing is connected with the second helical gear on the first helical gear, every the equal vertical fixedly-threaded dwang in center department of second helical gear, every the equal fixedly connected with one-way blade of lower extreme of dwang, every the equal fixedly connected with tuber pipe of lower terminal surface of bellows, fixedly connected with diaphragm on the inner wall of work box, every the lower extreme of tuber pipe all runs through the diaphragm and fixedly connected with fixed box, the left and right sides symmetry fixedly connected with two adsorption tanks, every adsorption tank has the equal fixedly connected with charcoal in the air outlet on the terminal surface of adsorption tank.

Preferably, the brazing mechanism comprises a T-shaped connecting rod, a sliding hole is formed in the center of the transverse plate, the T-shaped connecting rod is slidably connected in the sliding hole, the lower end of the T-shaped connecting rod is fixedly connected with a fixing plate, the lower end face of the fixing plate is fixedly connected with a hydraulic cylinder, the telescopic end of the hydraulic cylinder is fixedly connected with a mounting plate, a T-shaped groove is formed in the lower end face of the mounting plate, a T-shaped connecting piece is slidably connected in the T-shaped groove, and the lower end of the T-shaped connecting piece is fixedly connected with a brazing device.

Preferably, two opposite sides of the adsorption box are communicated with the inside of the working box through communication holes, and two opposite sides of the fixing box are fixedly connected with air nozzles.

Preferably, a workbench is fixedly connected to the inner wall of the working box, and a heat exchanger component is arranged on the upper end face of the workbench.

Preferably, the two cross bars are both rotatably connected in the inner wall of the bellows, and the upper ends of the two rotating bars are both rotatably connected on the inner wall of the bellows.

Preferably, a switch door is arranged on the side wall of the working box, and a handle is fixedly connected to the side wall of the switch door.

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

through the cooperation setting of biax motor, horizontal pole and first helical gear, can drive the second helical gear and rotate, the second helical gear can drive one-way blade through the dwang and rotate, one-way blade rotates can produce the negative pressure and inhale the bellows through the welding cigarette that tuber pipe and tuyere produced brazing, enter into the adsorption case through the intercommunicating pore at last and discharge through the gas outlet, can adsorb the welding cigarette through the active carbon filter screen and handle, prevent to weld the cigarette diffusion and cause the pollution to the environment in the air, can avoid the staff to inhale in addition, prevent to cause harm to the healthy of staff.

Drawings

FIG. 1 is a schematic view of a front perspective view of a combined brazing apparatus for a heat exchanger according to the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of a combined brazing apparatus for a heat exchanger according to the present utility model;

fig. 3 is a schematic side view of a mounting plate in a combined brazing apparatus for a heat exchanger according to the present utility model.

In the figure: the device comprises a working box 1, a fixed seat 2, a double-shaft motor 3, a cross rod 4, an air box 5, a first bevel gear 6, a second bevel gear 7, a rotating rod 8, a one-way blade 9, an air pipe 10, a fixed box 11, a transverse plate 12, an adsorption box 13, a connecting rod 14T, a fixed plate 15, a hydraulic cylinder 16, a mounting plate 17, a brazing device 18 and a working table 19.

Detailed Description

The following description of the embodiments of the present utility model will be made with reference to the accompanying drawings, in which it is evident that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship of the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements of the utility model must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

Referring to fig. 1-3, a combined brazing device for a heat exchanger comprises a working box 1 and a brazing mechanism, wherein two fixing rods are symmetrically and fixedly connected to the inner wall of the working box 1, the lower ends of the two fixing rods are fixedly connected with a fixing seat 2, the upper end face of the fixing seat 2 is fixedly connected with a double-shaft motor 3, two output ends of the double-shaft motor 3 are symmetrically and fixedly connected with two cross rods 4, two bellows 5 are symmetrically and fixedly connected to the inner wall of the working box 1, one ends of the two cross rods 4 opposite to each other penetrate through the side wall of the bellows 5 and are fixedly connected with first bevel gears 6, each first bevel gear 6 is in meshed connection with a second bevel gear 7, a rotating rod 8 is vertically and fixedly inserted in the center of each second bevel gear 7, the lower end of each rotating rod 8 is fixedly connected with a one-way blade 9, the lower end face of each bellows 5 is fixedly connected with a wind pipe 10, the inner wall of the working box 1 is fixedly connected with a transverse plate 12, the lower end of each air pipe 10 penetrates through the transverse plate 12 and is fixedly connected with a fixed box 11, the left side and the right side of the working box 1 are symmetrically and fixedly connected with two adsorption boxes 13, the upper end face of each adsorption box 13 is provided with an air outlet, each air outlet is fixedly connected with an active carbon filter screen, the second helical gear 7 can be driven to rotate through the matched arrangement of the double-shaft motor 3, the transverse rod 4 and the first helical gear 6, the second helical gear 7 can drive the unidirectional blade 9 to rotate through the rotating rod 8, the unidirectional blade 9 rotates to generate negative pressure and suck welding smoke generated by brazing into the air box 5 through the air pipes 10 and the air nozzles, finally the welding smoke enters the adsorption boxes 13 through the communication holes and is discharged through the air outlet, the welding smoke can be adsorbed through the active carbon filter screen, and the welding smoke is prevented from diffusing into the air to pollute the environment, and can avoid staff from inhaling the body and prevent harm to the health of staff.

The brazing mechanism comprises a T-shaped connecting rod 14, a sliding hole is formed in the center of a transverse plate 12, the T-shaped connecting rod 14 is slidably connected in the sliding hole, the lower end of the T-shaped connecting rod 14 is fixedly connected with a fixing plate 15, the lower end face of the fixing plate 15 is fixedly connected with a hydraulic cylinder 16, the telescopic end of the hydraulic cylinder 16 is fixedly connected with a mounting plate 17, a T-shaped groove is formed in the lower end face of the mounting plate 17, a T-shaped connecting piece is slidably connected in the T-shaped groove, the lower end of the T-shaped connecting piece is fixedly connected with a brazing device 18, the brazing device 18 can be driven to move downwards through the hydraulic cylinder 16, and the brazing device 18 can conveniently move in the left direction, the right direction, the front direction and the back direction through the matching of the T-shaped connecting rod 14 and the T-shaped connecting piece, so that the position of the brazing device 18 is adjusted.

Wherein, two adsorption tanks 13 are opposite one side all communicates with the inside of the working tank 1 through the intercommunicating pore, two fixed tanks 11 are opposite one side all fixedly connected with tuyere, can inhale welding fume through the tuyere.

Wherein, fixedly connected with workstation 19 on the inner wall of workstation 1, the up end of workstation 19 is provided with the heat exchanger subassembly, and the heat exchanger subassembly can be put on workstation 19 and braze.

Wherein, two horizontal poles 4 all rotate and connect in the inner wall of bellows 5, and the upper end of two dwang 8 all rotates and connects on the inner wall of bellows 5, and horizontal pole 4 can drive first helical gear 6 and rotate.

Wherein, be provided with the switch door on the lateral wall of work box 1, fixedly connected with handle on the lateral wall of switch door, the convenient switch door that opens of handle.

In the utility model, when the device works, the heat exchanger component is placed on the workbench 19 to push the brazing device 18, and the brazing device 18 is convenient to move in the left-right direction and the front-back direction through the matched arrangement of the T-shaped connecting rod 14 and the T-shaped connecting piece, so that the position of the brazing device 18 is convenient to adjust, and the brazing material rod can be heated and melted through the brazing device 18, so that the heat exchanger component is welded; meanwhile, start biax motor 3, its output can drive horizontal pole 4 rotation, horizontal pole 4 can drive first helical gear 6 rotation, first helical gear 6 can drive second helical gear 7 rotation, second helical gear 7 can drive dwang 8 rotation, dwang 8 can drive one-way blade 9 rotation, one-way blade 9 rotates and can produce the negative pressure and inhale bellows 5 through tuber pipe 10 and tuyere to the welding fume that brazing produced, enter into adsorption box 13 through the intercommunicating pore and discharge through the gas outlet at last, can adsorb the welding fume through the active carbon filter screen and handle, prevent to weld the cigarette diffusion and cause the pollution to the environment in the air, and can avoid the staff to inhale in vivo, prevent to cause harm to the healthy of staff, the content of not doing detailed description in this specification belongs to the prior art that the expert in the field knows.

Although the present utility model 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a combination brazing device for heat exchanger, includes work box (1) and brazing mechanism, its characterized in that, symmetrical fixedly connected with two dead levers on the inner wall of work box (1), two the lower extreme of dead lever is fixedly connected with fixing base (2) jointly, the up end fixedly connected with biax motor (3) of fixing base (2), two output symmetrical fixedly connected with two horizontal poles (4) of biax motor (3), symmetrical fixedly connected with two bellows (5) on the inner wall of work box (1), two the one end that horizontal pole (4) are all run through the lateral wall of bellows (5) and fixedly connected with first helical gear (6), every all meshing is connected with second helical gear (7) on first helical gear (6), every the center department of second helical gear (7) is all vertical fixedly threaded with dwang (8), every the lower extreme of dwang (8) is all fixedly connected with one-way blade (9), every the lower terminal surface of bellows (5) is all fixedly connected with cross bar (10), the lateral wall of work box (1) is all run through on the lateral wall of bellows (1) and fixedly connected with two lateral wall (12) respectively, the right-hand member (12) is connected with air duct (12), an air outlet is formed in the upper end face of each adsorption box (13), and an active carbon filter screen is fixedly connected in each air outlet.

2. The combined brazing device for the heat exchanger according to claim 1, wherein the brazing mechanism comprises a T-shaped connecting rod (14), a sliding hole is formed in the center of the transverse plate (12), the T-shaped connecting rod (14) is slidably connected in the sliding hole, the lower end of the T-shaped connecting rod (14) is fixedly connected with a fixing plate (15), the lower end face of the fixing plate (15) is fixedly connected with a hydraulic cylinder (16), the telescopic end of the hydraulic cylinder (16) is fixedly connected with a mounting plate (17), a T-shaped groove is formed in the lower end face of the mounting plate (17), a T-shaped connecting piece is slidably connected in the T-shaped groove, and the lower end of the T-shaped connecting piece is fixedly connected with a brazing device (18).

3. A combined brazing apparatus for a heat exchanger according to claim 1, wherein the opposite sides of the two suction boxes (13) are communicated with the inside of the working box (1) through communication holes, and the opposite sides of the two fixing boxes (11) are fixedly connected with tuyeres.

4. The combined brazing device for the heat exchanger according to claim 1, wherein a workbench (19) is fixedly connected to the inner wall of the working box (1), and a heat exchanger assembly is arranged on the upper end face of the workbench (19).

5. A combined brazing apparatus for a heat exchanger according to claim 1, wherein both of said cross bars (4) are rotatably connected to the inner wall of the bellows (5), and the upper ends of both of said rotation bars (8) are rotatably connected to the inner wall of the bellows (5).

6. The combined brazing device for the heat exchanger according to claim 1, wherein a switch door is arranged on the side wall of the working box (1), and a handle is fixedly connected to the side wall of the switch door.