Soldering flux spraying device for brazing furnace

Abstract

The utility model discloses a brazing flux spraying device for a brazing furnace. The brazing flux spraying device for the brazing furnace can be turned over to spray the two sides of a core body. The automatic spraying device comprises a spraying box, wherein a spraying cavity is formed in the spraying box; the placing assemblies are mounted on the two sides of the spraying cavity; the overturning assembly is mounted on one side of the spraying box and is connected with the placing assembly; the spraying assembly is installed at the top end of the spraying box, and the lower end of the spraying assembly penetrates through the spraying box and then is arranged in the spraying cavity; and a recycling cavity is formed in the recycling box, and the recycling cavity is communicated with the spraying cavity. The core spraying device has the advantages that the two sides of a core can be turned over to conduct spraying treatment, workpieces can be conveniently placed, the core can be placed in the spraying cavity, the core spraying device can adapt to workpieces of different lengths, the placing assembly can be rotated, and soldering flux can be evenly sprayed.

Description

TECHNICAL FIELD

[0001] The utility model relates to brazing furnace related technical field especially is a brazing flux spraying device for brazing furnace. BACKGROUND

[0002] The automobile radiator is composed of an inlet chamber, an outlet chamber and a core body, wherein the core body is assembled by a plurality of water pipes, a plurality of cooling fins and two main pieces. Currently, the main pieces of the core body are usually made of aluminum material. After the main pieces at both ends of the core body are assembled, the surface of the main pieces needs to be sprayed with brazing flux in order to improve the performance of the main pieces. The last process before the welding piece enters the furnace for brazing is brazing flux spraying. The purpose of spraying the brazing flux is to remove the oxides on the surface of the filler metal and the base material, and to protect the welding piece and the liquid filler metal from oxidation during the brazing process, thereby improving the wettability of the liquid filler metal to the welding piece. In the existing brazing flux spraying process, manual turning over is needed after the spraying on one side of the core body is completed. Such manual turning over process is low in efficiency.

[0003] Chinese patent authorization announcement number: CN205629605U, authorization announcement day is October 12, 2016, and an automobile radiator automatic spraying device is disclosed, which comprises a spraying tank, characterized by further comprising an automatic conveying device, a brazing flux conveying pipe, a gas conveying pipe, a brazing flux spray head, a gas spray head and a brazing flux recovery system, wherein the automatic conveying device is installed on the spraying tank, the brazing flux conveying pipe and the gas conveying pipe are arranged side by side above the spraying tank and the automatic conveying device, the two ends of the brazing flux conveying pipe are fixed on the two sides of the spraying tank through mounting frames A, and the two ends of the gas conveying pipe are fixed on the two sides of the spraying tank through mounting frames B; the brazing flux spray head is installed on the brazing flux conveying pipe through a hose A, and the gas spray head is installed on the gas conveying pipe through a hose B; the brazing flux recovery system is arranged below the automatic conveying device, and the brazing flux recovery system is connected with the input end of the brazing flux conveying pipe. The utility model has the disadvantages that the spraying device cannot automatically turn over the workpiece UTILITY MODEL CONTENTS

[0004] The utility model discloses in order to overcome the insufficient of not easy to turn over in the prior art after the spraying on one side of the core body is completed, and provide a brazing flux spraying device for brazing furnace can turn over and spray the both sides of the core body.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A brazing flux spraying device for brazing furnace, comprising:

[0007] Spraying box, be equipped with spraying cavity on the spraying box;

[0008] Placing assembly, placing assembly is installed to both sides of the spraying cavity;

[0009] The turnover assembly is installed on one side of the spraying box and connected with the placing assembly;

[0010] The spraying assembly is installed on the top end of the spraying box, and the lower end of the spraying assembly penetrates the spraying box and is placed in the spraying cavity;

[0011] The recycling box is provided with a recycling cavity, and the recycling cavity is communicated with the spraying cavity.

[0012] Firstly, the core is placed in the spraying cavity of the spraying box, the core is placed on the placing assembly, the shape is supported, then the spraying assembly installed on the top end of the spraying box is used for spraying, one side of the placing assembly is sprayed, then the core is clamped by the placing assembly, the placing assembly is driven by the turnover assembly of the placing assembly to turn over, so that the other side of the core is sprayed, and the excess flux is easily flowed during the spraying process, the excess flux flows into the recycling box at the bottom, and is collected by the recycling cavity in the recycling cavity, so that the two sides of the core can be sprayed.

[0013] As preferred, the front end and the lower end of the spraying cavity are both opened, the front end of the spraying cavity is provided with a hinged door, both sides of the spraying box are provided with the hinged door, one side of the hinged door is rotationally connected with the spraying box, the recycling box is installed at the lower end of the spraying box, and the recycling cavity corresponds to the spraying cavity. In order to place the core in the spraying cavity, the core is placed through the front end opening of the spraying cavity, and the front end of the spraying cavity is provided with a hinged door for closing. The hinged door is provided with two hinged doors and is arranged on both sides. The hinged door is connected with the spraying box through a hinge. The recycling box is installed at the lower end of the spraying box to collect waste liquid. Such design is convenient for placing the workpiece.

[0014] As preferred, the placing assembly comprises a rotating shaft and a mounting plate, one end of the rotating shaft is provided with a rotating shaft, one end of the rotating shaft is connected with one end of the rotating shaft, the other end of the rotating shaft penetrates the spraying box and is placed outside the spraying box, one end of the rotating shaft placed outside the spraying box is provided with a limiting plate, the other end of the rotating shaft is connected with the mounting plate, the upper and lower sides of the mounting plate are both provided with an extension assembly, and the placing assemblies on both sides of the spraying cavity are matched. The rotating shaft is rotationally connected with the spraying box through the rotating shaft on the rotating shaft, and the rotating shaft is limited on the spraying box through the limiting plate installed on the rotating shaft. The rotating shaft can rotate around the rotating shaft, one end of the rotating shaft is connected with the mounting plate, the mounting plate can limit the core, the L-shaped mounting plate can prevent the core from falling during rotation, and the extension assemblies are installed on the upper and lower sides of the mounting plate, so that the cores of different lengths can be adapted. The placing plates on both sides limit the core. Such design can place the core in the spraying cavity.

[0015] Preferably, the extension assembly includes a sliding bar, an electric push rod, and a placement plate. The mounting plate has a sliding groove, and the sliding bar is slidably connected to the mounting plate through its engagement with the sliding groove. A force-bearing plate is mounted on the rotating shaft, and the electric push rod is mounted on the force-bearing plate. The electric end of the electric push rod is connected to the sliding bar, and the placement plate is mounted on the other end of the sliding bar. The extension assembly is used to place the core, which is placed on the placement plate. The placement plate is connected to the mounting plate via the sliding bar. The electric push rod moves the sliding bar, thus moving the placement plate to accommodate cores of different lengths. The electric push rod is mounted on the force-bearing plate on the rotating shaft. The placement plate above the side of the core being sprayed retracts during spraying, supported by the lower placement plate. The retraction of the upper placement plate does not affect the normal spraying process. This design can accommodate workpieces of different lengths.

[0016] Preferably, the flipping assembly includes a mounting rod and a motor. One end of the mounting rod is connected to a limiting plate, and the other end of the mounting rod is equipped with a gear. The motor is mounted on the spray box, and a gear is mounted on the motor shaft of the motor, meshing with the gear. The flipping assembly is mounted on one side of the spray box. The motor on the spray box drives the gear to rotate, and the rotation of the gears drives the mounting rod to rotate. The mounting rod on the limiting plate can rotate the placement assembly via a rotating shaft. This design allows the placement assembly to be rotated.

[0017] Preferably, the spraying assembly includes a material storage box and a spray head. The material storage box is installed at the top of the spraying box and has a telescopic tube. One end of the telescopic tube is connected to the material storage box, and the other end of the telescopic tube passes through the spraying box and is placed inside the spraying cavity. The telescopic tube is connected to the spray head, and a guide block is installed on the spray head. A guide rod is provided inside the spraying cavity. One end of the guide rod is connected to the side of the spraying cavity, and the other end of the guide rod passes through the guide block and is connected to the other side of the spraying cavity. A lead screw nut is installed on the spray head. A second motor is installed on one side of the spraying cavity. A lead screw is installed on the motor shaft of the second motor. The other end of the lead screw passes through the lead screw nut and is rotatably connected to the other side of the spraying cavity. The lead screw and the lead screw nut mesh. When spraying flux, the storage tank delivers flux to the nozzle through a telescopic tube. The nozzle then evenly sprays the flux onto the core. To enable the nozzle to move and spray the core, a lead screw and nut are installed on the nozzle. A guide block is installed on the nozzle through the cooperation of the lead screw and nut. The guide rod and guide block are slidably connected, ensuring that the nozzle can only move along the guide plate. A motor drives the lead screw to rotate, and the cooperation of the lead screw and nut pushes the nozzle to move along the guide rod, thereby spraying the workpiece. This design allows for even flux spraying.

[0018] The beneficial effects of this utility model are: it can flip the core to spray both sides, which is convenient for placing the workpiece; the core can be placed in the spraying cavity; it can adapt to workpieces of different lengths; the placement component can be rotated; and the flux can be sprayed evenly. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 yes Figure 1 A schematic diagram of the structure in which the components are placed;

[0021] Figure 3 yes Figure 1 A schematic diagram of the spray coating assembly.

[0022] In the diagram: 1. Spraying box; 11. Spraying chamber; 12. Opening door; 2. Placement assembly; 21. Rotating shaft; 22. Mounting plate; 23. Rotating shaft; 24. Limiting plate; 25. Sliding groove; 26. Force plate; 3. Tilting assembly; 31. Mounting rod; 32. Motor 1; 33. Gear 1; 34. Gear 2; 4. Spraying assembly; 41. Storage box; 42. Spray nozzle; 43. Telescopic tube; 44. Guide block; 45. Guide rod; 46. Screw nut; 47. Motor 2; 48. Screw; 5. Recycling box; 51. Recycling chamber; 6. Extension assembly; 61. Sliding strip; 62. Electric push rod; 63. Placement plate. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0024] like Figure 1 In this embodiment, a flux spraying device for a brazing furnace includes: 1.

[0025] Spraying box 1, spraying box 1 is provided with spraying chamber 11;

[0026] Placement component 2 is installed on both sides of the spraying cavity 11;

[0027] Flip assembly 3 is installed on one side of spray box 1 and connected to placement assembly 2;

[0028] Spraying component 4 is installed at the top of spraying box 1, and the lower end of spraying component 4 passes through spraying box 1 and is placed in spraying cavity 11.

[0029] The recycling bin 5 has a recycling chamber 51 inside, which is connected to the spraying chamber 11.

[0030] The front and lower ends of the spraying chamber 11 are open. The front end of the spraying chamber 11 is provided with an opening and closing door 12. Both sides of the spraying box 1 are equipped with opening and closing doors 12. One side of the opening and closing door 12 is rotatably connected to the spraying box 1. The recycling box 5 is installed at the lower end of the spraying box 1. The recycling chamber 51 corresponds to the spraying chamber 11.

[0031] The placement assembly 2 includes a rotating shaft 21 and a mounting plate 22. One end of the rotating shaft 21 is provided with a rotating shaft 23. One end of the rotating shaft 23 is connected to one end of the rotating shaft 21. The other end of the rotating shaft 23 passes through the spray box 1 and is placed on the outside of the spray box 1. A limiting plate 24 is installed on the end of the rotating shaft 23 placed on the outside of the spray box 1. The other end of the rotating shaft 21 is connected to the mounting plate 22. Extension assemblies 6 are installed on both the upper and lower sides of the mounting plate 22. The placement assemblies 2 on both sides of the spray cavity 11 are matched.

[0032] The extension assembly 6 includes a sliding bar 61, an electric push rod 62, and a placement plate 63. The mounting plate 22 is provided with a sliding groove 25. The sliding bar 61 is slidably connected to the mounting plate 22 through the cooperation with the sliding groove 25. A force-bearing plate 26 is installed on the rotating shaft 21. The electric push rod 62 is installed on the force-bearing plate 26. The electric end of the electric push rod 62 is connected to the sliding bar 61. The placement plate 63 is installed on the other end of the sliding bar 61.

[0033] The flipping assembly 3 includes a mounting rod 31 and a motor 32. One end of the mounting rod 31 is connected to the limiting plate 24, and the other end of the mounting rod 31 is equipped with a gear 33. The motor 32 is mounted on the spray box 1, and a gear 34 is mounted on the motor shaft of the motor 32. The gear 34 meshes with the gear 33.

[0034] The spraying assembly 4 includes a material storage box 41 and a spray head 42. The material storage box 41 is installed at the top of the spraying box 1. A telescopic tube 43 is provided on the material storage box 41. One end of the telescopic tube 43 is connected to the material storage box 41, and the other end of the telescopic tube 43 passes through the spraying box 1 and is placed in the spraying cavity 11. The telescopic tube 43 is connected to the spray head 42. A guide block 44 is installed on the spray head 42. A guide rod 45 is provided in the spraying cavity 11. One end of the guide rod 45 is connected to the side of the spraying cavity 11, and the other end of the guide rod 45 passes through the guide block 44 and is connected to the other side of the spraying cavity 11. A lead screw nut 46 is installed on the spray head 42. A second motor 47 is installed on one side of the spraying cavity 11. A lead screw 48 is installed on the motor shaft of the second motor 47. The other end of the lead screw 48 passes through the lead screw nut 46 and is rotatably connected to the other side of the spraying cavity 11. The lead screw 48 and the lead screw nut 46 mesh.

[0035] When flux spraying is required, rotate the opening and closing door 12 to open the spraying chamber 11, and then push the sliding bar 61 to move by the electric push rod 62. The sliding bar 61 pushes the placement plate 63 to move to a suitable distance, and the placement plates 63 on both sides correspond to the workpiece. Then, the workpiece is placed on the placement plate 63 of the extension component 6, and at this time the placement plate 63 above the workpiece is retracted.

[0036] Then, the nozzle 42 draws flux from the storage box 41 through the telescopic tube 43, performs spraying treatment, and then the motor 47 drives the lead screw 48 to rotate. Through the cooperation of the lead screw 48 and the lead screw nut 46, the nozzle 42 is pushed to move along the guide rod 45, thereby uniformly spraying the workpiece.

[0037] After one side of the workpiece is coated, the placement plate 63 at the top of the workpiece extends out, restricting the workpiece on the placement assembly 2. Then, the motor 32 rotates, and the rotation of gear 33 and gear 34 drives the mounting rod 31 to rotate. Since the mounting rod 31 is mounted on the limiting plate 24, the limiting plate 24 drives the rotating shaft 23 and the rotating shaft 21 to rotate. The mounting plate 22 carries the workpiece to rotate, so that the other side of the workpiece faces upward. Then, the placement plate on the top of the workpiece is retracted, and the workpiece is coated again by the spraying assembly 4.

Claims

1. A flux spraying device for a brazing furnace, characterized in that, include: Spraying box (1), the spraying box (1) is provided with a spraying cavity (11); Placement components (2) are installed on both sides of the spraying cavity (11); A flipping assembly (3) is installed on one side of the spray box (1) and connected to the placement assembly (2); Spraying assembly (4), the spraying assembly (4) is installed at the top of the spraying box (1), and the lower end of the spraying assembly (4) passes through the spraying box (1) and is placed in the spraying cavity (11); The recycling bin (5) has a recycling chamber (51) inside, which is connected to the spraying chamber (11).

2. The flux spraying device for a brazing furnace according to claim 1, characterized in that, The front end and the lower end of the spraying chamber (11) are open. The front end of the spraying chamber (11) is provided with an opening and closing door (12). The two sides of the spraying box (1) are equipped with opening and closing doors (12). One side of the opening and closing door (12) is rotatably connected to the spraying box (1). The recycling box (5) is installed at the lower end of the spraying box (1). The recycling chamber (51) corresponds to the spraying chamber (11).

3. The flux spraying device for a brazing furnace according to claim 1, characterized in that, The placement assembly (2) includes a rotating shaft (21) and a mounting plate (22). One end of the rotating shaft (21) is provided with a rotating shaft (23). One end of the rotating shaft (23) is connected to one end of the rotating shaft (21). The other end of the rotating shaft (23) passes through the spray box (1) and is placed on the outside of the spray box (1). A limiting plate (24) is installed at the end of the rotating shaft (23) placed on the outside of the spray box (1). The other end of the rotating shaft (21) is connected to the mounting plate (22). Extension assemblies (6) are installed on both the upper and lower sides of the mounting plate (22). The placement assemblies (2) on both sides of the spray cavity (11) are matched.

4. The flux spraying device for a brazing furnace according to claim 3, characterized in that, The extension component (6) includes a sliding bar (61), an electric push rod (62), and a placement plate (63). The mounting plate (22) is provided with a sliding groove (25). The sliding bar (61) is slidably connected to the mounting plate (22) through cooperation with the sliding groove (25). A force plate (26) is installed on the rotating shaft (21). The electric push rod (62) is installed on the force plate (26). The electric end of the electric push rod (62) is connected to the sliding bar (61). The placement plate (63) is installed on the other end of the sliding bar (61).

5. The flux spraying device for a brazing furnace according to claim 3, characterized in that, The flipping assembly (3) includes a mounting rod (31) and a motor (32). One end of the mounting rod (31) is connected to the limiting plate (24), and the other end of the mounting rod (31) is equipped with a gear (33). The motor (32) is mounted on the spray box (1), and a gear (34) is mounted on the motor shaft of the motor (32). The gear (34) meshes with the gear (33).

6. The flux spraying device for a brazing furnace according to claim 1, characterized in that, The spraying assembly (4) includes a material storage box (41) and a spray head (42). The material storage box (41) is installed at the top of the spraying box (1). The material storage box (41) is provided with a telescopic tube (43). One end of the telescopic tube (43) is connected to the material storage box (41), and the other end of the telescopic tube (43) passes through the spraying box (1) and is placed in the spraying cavity (11). The telescopic tube (43) is connected to the spray head (42). A guide block (44) is installed on the spray head (42). A guide rod (45) is provided in the spraying cavity (11). One end of the rod (45) is connected to the side of the spraying cavity (11), and the other end of the guide rod (45) passes through the guide block (44) and is connected to the other side of the spraying cavity (11). A screw nut (46) is installed on the nozzle (42). A second motor (47) is installed on one side of the spraying cavity (11). A screw (48) is installed on the motor shaft of the second motor (47). The other end of the screw (48) passes through the screw nut (46) and is rotatably connected to the other side of the spraying cavity (11). The screw (48) meshes with the screw nut (46).

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