CN210935562U

CN210935562U - Automatic spraying device for warm air brazing of radiator

Info

Publication number: CN210935562U
Application number: CN201921825506.0U
Authority: CN
Inventors: 张传建
Original assignee: Maanshan Nabaichuan Heat Exchanger Co ltd
Current assignee: Maanshan Nabaichuan Heat Exchanger Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-07-07
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a radiator warm braw automatic spraying device that brazes, including support frame and workstation, the support frame is installed on the both sides bottom surface of workstation, and installation conveying net in the middle of the workstation, fixed cushion on the workstation top surface of conveying net both sides, has set up the stock ware that spanes conveying net on the workstation bottom surface of conveying net both sides, runs through the rotation axis on the port of workstation, and the cover has the gear of meshing mutually with conveying net on the outer wall of rotation axis. This radiator warm braw automatic spraying device that brazes, the conveying net is placed to the radiator, the gear can drive the conveying net when rotatory and remove, the screw rod is rotatory to drive the material nozzle and along the width direction round trip movement spraying of conveying net, partly see through in the conveying net falls the stock ware, the suction that the suction pump produced sends the powder in the stock ware back to the box, accomplish the circulation, the material nozzle only one, whether can obviously monitor the shower nozzle when the spraying and block up, can in time adjust, it reduces extravagantly to retrieve partly material that spouts.

Description

Automatic spraying device for warm air brazing of radiator

Technical Field

The utility model relates to a spraying processing technology field specifically is radiator warm braw automatic spraying device of brazing.

Background

The radiating pipe, the radiating belt, the main sheet and the side plate parts in the brazing type radiator are brazed into the core body sub-assembly through the brazing furnace according to the brazing principle. In this process, how FLUX is added to the aluminum surface is an important process, and FLUX is added by many different methods: wet spraying, dip coating, atomized spraying, leveling, brushing, plastic bottle squeezing, dry spraying and the like. Wherein the wet spraying process comprises the following steps: the brazing flux is loaded into a circular storage tank according to a certain concentration ratio, is sprayed out from a spray head under the action of a pressure pump and is sprayed onto the surface of a product, and then the next process is carried out, wherein redundant brazing flux on the surface of the product is blown off by an air knife. The air channel of the air knife is provided with welding spots which play the role of a barrier, and the nozzle is made of stainless steel.

Defects in the current production process: the adjustable range of the spray heads is small, a plurality of spray heads are arranged, when one spray head is blocked, the spray heads are difficult to monitor in time, and the sprayed redundant coating is not recycled to cause waste.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a radiator warm braw automatic spraying device of brazing has and spouts the material mouth only one, can obviously monitor whether the shower nozzle takes place to block up when the spraying, retrieves partly and spouts the material and reduce extravagant advantage, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the automatic spraying device for the warm air brazing of the radiator comprises a support frame and a workbench, wherein the support frame is arranged on the bottom surfaces of two sides of the workbench, a conveying net is arranged in the middle of the workbench, cushion blocks are fixed on the top surfaces of the workbench on two sides of the conveying net, material storage containers crossing the conveying net are arranged on the bottom surfaces of the workbench on two sides of the conveying net in a lap mode, a rotating shaft penetrates through a port of the workbench, and a gear meshed with the conveying net is sleeved on the outer wall of the rotating shaft;

the upper surface of the cushion block is provided with a shell, the bottom of the shell, which is opposite to the conveying net, is provided with a rectangular hole, hanging brackets are fixed on the bottom wall of the shell at two sides of the rectangular hole, and the upper surface of the shell is respectively provided with a box body with an air pump and an air suction pump in parallel;

a screw rod crossing the rectangular hole penetrates through the bottom end of the hanging bracket, a motor is installed at the top of the hanging bracket, a sliding rod is fixed on the hanging bracket right above the screw rod, one end of the screw rod extends to the outside of the hanging bracket, a belt sleeved on a port protruding out of the screw rod is connected with a motor shaft of the motor, a screw thread positioned in the hanging bracket is meshed with a lower lantern ring, an upper lantern ring is sleeved on the outside of the sliding rod, the lower lantern ring and the upper lantern ring are fixed on the outer wall of a hollow feeding barrel, a conveying pipe connected with a box body is sleeved at the top end of the feeding barrel, and a;

the air suction pump is connected with the storage vessel through a suction pipe, and the top end of the air suction pump is connected with the box body through a pipeline.

Preferably, a strip-shaped groove is formed in the top end of the hanging frame, the width of the strip-shaped groove is larger than the outer diameter of the feeding barrel, and the feeding barrel penetrates through the strip-shaped groove.

Preferably, the material spray nozzle is directed to the conveying net through a rectangular hole.

Preferably, the bottom of the storage vessel is funnel-shaped, and the nozzle of the suction pipe is positioned at the lowest point of the storage vessel.

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

this radiator warm braw automatic spraying device that brazes, the conveying net is placed to the radiator, the gear can drive the conveying net when rotatory and remove, thereby transport the radiator, utilize screw rod and slide bar will lower the lantern ring and the rigidity of last lantern ring, utilize the existence of screw thread, the rotatory width direction round trip movement spraying that drives material spraying nozzle along the conveying net of screw rod, material spraying nozzle spun coating partly falls on the radiator, partly see through in the conveying net falls the material storage ware, the suction that the aspiration pump produced sends back the powder in the material storage ware in the box, accomplish the circulation, material spraying nozzle is only one, can obviously monitor the shower nozzle when the spraying and whether take place to block up, can in time adjust, it reduces extravagantly to retrieve partly material that spouts.

Drawings

FIG. 1 is an overall perspective view of the present invention;

fig. 2 is an overall plan view of the present invention;

FIG. 3 is an internal structural view of the present invention;

FIG. 4 is a view of the hanger structure of the present invention;

fig. 5 is a connection diagram of the feeding barrel and the lantern ring of the utility model.

In the figure: 1. a support frame; 2. a work table; 21. a transport web; 22. cushion blocks; 23. a rotating shaft; 231. a gear; 24. a storage vessel; 3. a housing; 31. a rectangular hole; 32. a hanger; 321. a strip-shaped groove; 4. a box body; 5. an air suction pump; 51. a straw; 6. a screw; 61. a lower collar; 7. a slide bar; 71. an upper collar; 8. a motor; 9. a feed cylinder; 91. a delivery pipe; 92. and a material spraying nozzle.

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.

Referring to fig. 1-2, an automatic spraying device for warm air brazing of a heat sink includes a support frame 1 and a workbench 2, the support frame 1 is installed on bottom surfaces of two sides of the workbench 2, the support frame 1 supports the workbench 2, a transmission net 21 is installed in the middle of the workbench 2, the transmission net 21 can rotate in the middle of the workbench 2, the heat sink is placed on the transmission net 21 for transportation, cushion blocks 22 are fixed on top surfaces of the workbench 2 on two sides of the transmission net 21, storage trays 24 crossing the transmission net 21 are placed on bottom surfaces of the workbench 2 on two sides of the transmission net 21, the bottom of the storage trays 24 is funnel-shaped, a nozzle of a suction pipe 51 is located at the lowest point of the storage trays 24, when the storage trays 24 are sprayed by a spray nozzle 92, spray powder falling in the storage trays 24 through the funnel-shaped nozzle is glidingly matched with suction force, so that the powder is sucked into the suction pipe 51, a rotary shaft 23 penetrates through a port of the workbench 2, the outer wall of the rotating shaft 23 is sleeved with a gear 231 engaged with the transmission net 21, and the gear 231 can drive the transmission net 21 to move when rotating, so that the radiator is transported.

Referring to fig. 3, a housing 3 is mounted on the upper surface of a cushion block 22, a rectangular hole 31 is formed in the bottom of the housing 3 facing the conveying net 21, one side of the rectangular hole 31 has the same size as the width of the conveying net 21, the entire width of the conveying net 21 can be covered in the process that a material spraying nozzle 92 slides back and forth, no spraying dead angle is generated, hangers 32 are fixed on the bottom wall of the housing 3 on both sides of the rectangular hole 31, the hangers 32 cross over the rectangular hole 31, a box 4 with an air pump and an air suction pump 5 are respectively mounted on the upper surface of the housing 3 side by side, a suction pipe 51 is arranged between the air suction pump 5 and the storage dish 24, the top end of the air suction pump 5 is connected with the box 4 through a pipeline, the powder in the storage dish 24 is sent back to the box 4 by the suction force generated by the air suction pump 5, circulation is completed, a screw rod 6 crossing over the rectangular hole 31 penetrates through the bottom end of the hangers 32, the motor 8 is installed at the top of the hanger 32, the slide bar 7 is fixed on the hanger 32 right above the screw rod 6, one end of the screw rod 6 extends to the outside of the hanger 32, the belt sleeved on the port protruding out of the screw rod 6 is connected with the motor shaft of the motor 8, and the motor 8 drives the screw rod 6 to rotate synchronously when working.

Referring to fig. 4, the top end of the hanger 32 is provided with a strip-shaped groove 321, the width of the strip-shaped groove 321 is greater than the outer diameter of the feed cylinder 9, the feed cylinder 9 penetrates through the strip-shaped groove 321, and due to the arrangement of the strip-shaped groove 321, the feed cylinder 9 can move back and forth in the strip-shaped groove 321 when the screw 6 rotates.

Referring to fig. 5, the screw 6 is positioned inside the hanger 32 and engaged with the lower sleeve ring 61 through threads, the upper sleeve ring 71 is sleeved outside the slide rod 7, the lower sleeve ring 61 and the upper sleeve ring 71 are fixed on the outer wall of the hollow feeding barrel 9, the feeding barrel 9 is separately conveyed, the top end of the feeding barrel 9 is sleeved with a material conveying pipe 91 connected with the box body 4, the material conveying pipe 91 can be folded and does not break when moving along with the material spraying nozzle 92, the material spraying nozzle 92 is sleeved at the bottom end of the feeding barrel 9, only one material spraying nozzle 92 is provided, whether the nozzle is blocked or not can be obviously monitored during spraying, the material spraying nozzle 92 can be timely adjusted through the rectangular hole 31 to face the conveying net 21, the positions of the lower sleeve ring 61 and the upper sleeve ring 71 are fixed by the screw 6 and the slide rod 7 and slide towards the designated direction, the screw 6 rotates to drive the material spraying nozzle 92 to move back and forth along the width direction of the conveying net 21 for spraying, a part of the paint, one part falls through the transport web 21 into the storage tray 24.

The working principle is as follows: gear 231 can drive conveying net 21 when rotatory and remove, the radiator is placed and is transported on conveying net 21, the radiator removes to the back in rectangular hole 31 below, the rotatory width direction round trip movement spraying that drives material nozzle 92 along conveying net 21 of screw rod 6, material nozzle 92 spun coating partly falls on the radiator, partly see through conveying net 21 and fall in storage material dish 24, the suction that the aspiration pump 5 produced sends back the powder in storage material dish 24 in box 4, the completion is circulated, utilize automatic spraying, reduce the cost of labor, it spouts the material and reduces extravagantly to retrieve partly.

In summary, the following steps: this radiator warm braw automatic spraying device that brazes, conveying net 21 is placed to the radiator, gear 231 can drive conveying net 21 and remove when rotatory, thereby transport the radiator, utilize screw rod 6 and slide bar 7 will lower lantern ring 61 and the rigidity of last lantern ring 71, utilize the existence of screw thread, screw rod 6 rotatory drive material spraying nozzle 92 is along the width direction reciprocating motion spraying of conveying net 21, material spraying nozzle 92 spun coating partly falls on the radiator, partly see through conveying net 21 and falls in stock dish 24, the suction that air suction pump 5 produced sends back the box 4 in with the powder in the stock dish 24, the completion circulation, material spraying nozzle 92 only has one, can obviously monitor the shower nozzle when the spraying and whether take place the jam, can in time adjust, it reduces extravagantly to retrieve partly material that spouts.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Radiator warm braw automatic spraying device of brazing includes support frame (1) and workstation (2), its characterized in that: the supporting frame (1) is arranged on the bottom surfaces of two sides of the workbench (2), the middle of the workbench (2) is provided with a conveying net (21), cushion blocks (22) are fixed on the top surfaces of the workbench (2) at two sides of the conveying net (21), material storage dishes (24) crossing the conveying net (21) are arranged on the bottom surfaces of the workbench (2) at two sides of the conveying net (21), a rotating shaft (23) penetrates through a port of the workbench (2), and a gear (231) meshed with the conveying net (21) is sleeved on the outer wall of the rotating shaft (23);

a shell (3) is arranged on the upper surface of the cushion block (22), rectangular holes (31) are formed in the bottom, opposite to the conveying net (21), of the shell (3), hanging brackets (32) are fixed on the bottom walls of the shell (3) on two sides of the rectangular holes (31), and a box body (4) with an air pump and an air suction pump (5) are arranged on the upper surface of the shell (3) side by side respectively;

a screw rod (6) stretching across the rectangular hole (31) penetrates through the bottom end of the hanging bracket (32), a motor (8) is mounted at the top of the hanging bracket (32), a sliding rod (7) is fixed on the hanging bracket (32) right above the screw rod (6), one end of the screw rod (6) extends to the outside of the hanging bracket (32), a belt sleeved on a port protruding out of the screw rod (6) is connected with a motor shaft of the motor (8), the screw rod (6) is positioned in the hanging bracket (32) and is meshed with a lower lantern ring (61) through threads, an upper lantern ring (71) is sleeved outside the sliding rod (7), the lower lantern ring (61) and the upper lantern ring (71) are fixed on the outer wall of the hollow feeding barrel (9), a material conveying pipe (91) connected with the box body (4) is sleeved at the top end of the feeding barrel (9), and a material spraying nozzle (;

the air suction pump (5) is connected with the storage dish (24) through a suction pipe (51), and the top end of the air suction pump (5) is connected with the box body (4) through a pipeline.

2. The automatic spraying device for the warm-air brazing of the heat radiator as claimed in claim 1, wherein the top end of the hanger (32) is provided with a strip-shaped groove (321), the width of the strip-shaped groove (321) is larger than the outer diameter of the feeding barrel (9), and the feeding barrel (9) penetrates through the strip-shaped groove (321).

3. Radiator warm air brazing automatic spraying device according to claim 1, characterized in that the spray nozzle (92) is directed through a rectangular hole (31) towards the transport web (21).

4. The automatic spraying device for warm air brazing of heat radiators according to claim 1, wherein the bottom of the storage tray (24) is funnel-shaped, and the nozzle of the suction pipe (51) is located at the lowest point of the storage tray (24).