CN218745401U

CN218745401U - Roller coating equipment for brazing material on surface of micro-channel aluminum flat tube

Info

Publication number: CN218745401U
Application number: CN202223028970.1U
Authority: CN
Inventors: 洪旭
Original assignee: Shanghai Sanling Electromechanical Equipment Co ltd
Current assignee: Shanghai Sanling Electromechanical Equipment Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-28
Anticipated expiration: 2032-11-14

Abstract

The application relates to a roller coating device for brazing materials on the surface of a micro-channel aluminum flat tube, which comprises a roller coating device body, wherein a heating leveling machine is arranged on one side of the roller coating device body, and a drying assembly is arranged on one side of the heating leveling machine, which is far away from the roller coating device body; the drying component comprises a plurality of air knives, a plurality of groups of heating pieces and fans, wherein the air knives are symmetrically arranged up and down and the heating leveling machine deviates from one side of the roller coating equipment body, the groups of heating pieces are arranged in the air knives, and the fans are communicated with the air knives. The application has the effect of reducing the possibility that the wind pressure on the surface of the aluminum alloy with more drying fans causes different thicknesses of the brazing layer to affect the brazing effect.

Description

Roller coating equipment for brazing material on surface of micro-channel aluminum flat tube

Technical Field

The application relates to the technical field of roller coating equipment, in particular to microchannel aluminum flat tube surface brazing material roller coating equipment.

Background

The micro-channel aluminum flat tube (also called as a parallel flow aluminum flat tube) is a thin-wall porous flat tubular material which is mainly applied to air-conditioning systems of various refrigerants and is a key material of a new-generation parallel flow micro-channel air-conditioning heat exchanger by adopting a refined aluminum bar, hot extrusion, and surface zinc spraying anti-corrosion treatment, and adopting a novel environment-friendly system as a pipeline part for bearing the novel environment-friendly refrigerant. Brazing, which is a welding method that after brazing filler metal lower than the melting point of a weldment and the weldment are heated to the melting temperature of the brazing filler metal at the same time, the liquid brazing filler metal is used for filling the gaps of solid workpieces to connect the metals. The micro-channel aluminum flat pipe is usually connected with the pipeline in a mode of brazing and installing by roll coating brazing materials on the surface.

In the related art, chinese patent No. CN2018210069098 discloses an aluminum alloy roller coating apparatus, which includes a backup roller box, a coating box, a heating leveling machine and a drying dryer, wherein when the roller coating apparatus is used for roller coating, the aluminum alloy surface is cleaned and roller coated by the backup roller box and the coating box, then the aluminum alloy surface coating is subjected to leveling defoaming treatment by the heating leveling machine to improve the process quality, and finally the aluminum alloy surface coating is dried by a plurality of drying fans.

Aiming at the related technology, the inventor thinks that the condition of uneven wind pressure possibly occurs due to the arrangement of a plurality of drying fans, so that the condition of uneven thickness of a brazing material layer on the surface of the aluminum alloy and poor subsequent welding effect is caused, and a part to be improved exists.

SUMMERY OF THE UTILITY MODEL

In order to reduce the more aluminium alloy surface wind pressure of drying fan and all lead to brazing the possibility that layer thickness differs and influence the effect of brazing, this application provides a microchannel aluminum flat tube surface brazing material roller coating equipment.

The application provides a microchannel aluminum flat tube surface brazing flux roller coat equipment adopts following technical scheme:

a roller coating device for brazing materials on the surface of a micro-channel aluminum flat tube comprises a roller coating device body, wherein a heating leveling machine is arranged on one side of the roller coating device body, and a drying assembly is arranged on one side, away from the roller coating device body, of the heating leveling machine;

the drying component comprises a plurality of air knives, a plurality of groups of heating elements and a fan, wherein the plurality of air knives are arranged on one side, deviating from the roller coating equipment body, of the heating leveling machine, the plurality of groups of heating elements are arranged in the air knives, and the fan is communicated with the air knives.

Optionally, an air guide cover is detachably arranged at the air outlet of the air knife, and the air guide cover is arranged towards the material.

Optionally, a plurality of groups the heating members are connected in parallel, and a plurality of switches for controlling the opening and closing of the heating members are arranged on the outer wall of the air knife.

Optionally, one side of the drying assembly, which deviates from the roller coating device body, is provided with a drying and curing assembly, the drying and curing assembly comprises a mounting frame, a first curing lamp and a second curing lamp, the first curing lamp is arranged on the mounting frame, the first curing lamp is close to one side of the drying assembly, and the second curing lamp is arranged on the mounting frame, which deviates from one side of the drying assembly.

Optionally, the stoving solidification subassembly deviates from one side of stoving subassembly is provided with the grinding subassembly, the grinding subassembly includes that frame, oscilaltion set up grinding scraper, drive in the frame the driving piece that the grinding scraper goes up and down and set up sensor in the frame, the sensor is used for detecting workpiece surface brazing layer thickness, the sensor with driving piece signal connection.

Optionally, the frame bilateral symmetry is provided with the centre gripping subassembly that is used for the centre gripping work piece, the centre gripping subassembly is including sliding the setting and being in grip block in the frame and drive the extensible member that the grip block slided, the extensible member with sensor signal connection.

Optionally, a brush assembly is arranged on one side of the grinding assembly, which faces away from the drying and curing assembly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the surface of the micro-channel aluminum flat tube is coated with the brazing material through a roller coating equipment body, after the coating is finished, the coating on the surface of the aluminum flat tube is subjected to leveling defoaming treatment through a heating leveling machine, the process quality is improved, finally, the aluminum flat tube is dried through a drying assembly consisting of an air knife with a heating element, the pressure is gathered by the air knife, the width of an air outlet is adjusted through the internal organ gathering pressure of the air knife, the air outlet is more uniform, the pressure and the air speed can be adjusted, the brazing layer is dried and blown more uniformly, and the possibility that the brazing effect is influenced due to the fact that the thickness of the brazing layer is different due to the fact that more aluminum alloy surface air pressure of a drying fan is uneven is reduced;

drawings

Fig. 1 is a schematic axial side view of an overall structure of a roller coating device for brazing material on the surface of a microchannel aluminum flat tube according to the present embodiment;

FIG. 2 is an enlarged schematic view of section A of FIG. 1;

fig. 3 is a partial sectional view of the drying assembly according to the present embodiment.

Reference numerals: 1. a roller coating equipment body; 2. heating a leveling machine; 3. a conveyor belt; 4. a drying assembly; 41. an air knife; 42. a heating member; 43. a fan; 5. a switch; 6. mounting a coaming; 7. a wind scooper; 8. drying and curing the assembly; 81. a mounting frame; 82. a first curing lamp; 83. a second curing lamp; 9. grinding the assembly; 91. a frame; 92. grinding the scraper; 93. a drive member; 94. a sensor; 10. a clamping assembly; 101. a clamping plate; 102. a telescoping member; 11. a brush assembly; 111. a fixed mount; 112. a rotating shaft; 113. a brush roller; 114. the motor is driven.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be described clearly and completely in the following with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without inventive effort, are within the scope of protection of the application.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" or "an" and the like in the description and in the claims of the present application do not denote a limitation of quantity, but rather denote the presence of at least one.

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses microchannel aluminum flat tube surface brazing filler metal roller coating equipment.

Referring to fig. 1 and fig. 2, a microchannel aluminum flat tube surface brazing material roller coat equipment, including roller coat equipment organism 1, heating levelling machine 2 and drying component 4, in this embodiment, roller coat equipment organism 1 and the manufacturing of heating levelling machine 2 integrated into one piece, and roller coat equipment organism 1 and the production of heating levelling machine 2 are prior art, do not have too much to be repeated, install conveyer belt 3 between roller coat equipment organism 1 and the heating levelling machine 2, drying component 4 installs on the lateral wall of one side that heating levelling machine 2 deviates from roller coat equipment organism 1, the stoving is established to blowing of the aluminum flat tube that realizes the pair roller scribbled the brazing material.

Referring to fig. 1 and 3, stoving subassembly 4 includes a plurality of air knife 41, a plurality of heating member 42 and fan 43 of group, a plurality of heating member 42 of group are parallelly connected to be installed in air knife 41, in this embodiment, one is installed to air knife 41, heating member 42 is the heating resistor silk, and heating member 42 is parallelly connected to be equipped with threely, air knife 41 welded fastening just is located the conveyer belt 3 top on heating levelling machine 2 lateral wall, air knife 41 air outlet is located one side that air knife 41 deviates from heating levelling machine 2 and the slope is blown downwards and is established, fan 43 passes through bolt fixed mounting on heating levelling machine 2 organism, fan 43 air outlet and air knife 41 air intake pass through the connecting pipe intercommunication.

Air outlet that a plurality of slope was blown downwards through air knife 41 and is established is dried to the flat aluminum pipe that the coating has brazing material and is blown and establish, utilize air knife 41 to gather pressure, gather through air knife 41 viscera and press the width of adjusting air outlet, make the air-out more even, and air knife 41 can adjust the characteristics of the size of pressure and wind speed, it is more even to make brazing layer stoving blow and establish, and then has reduced the more aluminum alloy surface wind pressure of drying fan 43 and has all leaded to brazing layer thickness and influence the possibility of effect of brazing differently.

Referring to fig. 1 and 2, install a plurality of switch 5 on the air knife 41 outer wall, in this embodiment, switch 5 corresponds with heating member 42 and installs threely, and switch 5 is used for controlling opening and close of heating member 42 that corresponds with it, and then realizes the control to air knife 41 air outlet wind temperature to gain better stoving effect.

Referring to fig. 1 and 2, integrated into one piece has installation bounding wall 6 on the lateral wall of air knife 41 air outlet one side, but install fixed mounting through the bolt on the 6 inner walls of bounding wall and have wind scooper 7, wind scooper 7 is convenient for further water conservancy diversion to the aluminum flat tube of the wind knife 41 air outlet and treats to dry on the surface, can make the air current gather the air-out more even, play the effect of accelerating the stoving simultaneously, but wind scooper 7 demountable installation then is convenient for the staff to carry out the change of wind scooper 7 according to factors such as work piece shape, the adaptability of stoving subassembly 4 has been promoted.

Referring to fig. 1 and 3, a drying and curing assembly 8 is installed on one side of the drying assembly 4, which is away from the heating leveling machine 2, the drying and curing assembly 8 includes a mounting frame 81, a first curing lamp 82 and a second curing lamp 83, in this embodiment, the mounting frame 81 is a "Jiong" type frame, the first curing lamp 82 is a mercury lamp, the second curing lamp 83 is a gallium lamp, a transmission belt is located between the mounting frames 81, the first curing lamp 82 and the second curing lamp 83 are both fixedly installed on the upper top surface of the mounting frame 81 through bolts, and the first curing lamp 82 is installed close to the drying assembly 4, and the brazing material on the surface of the aluminum flat tube surface is cured and dried through the mercury lamp and the gallium lamp, so that the surface smoothness of the brazing material coating is higher.

Referring to fig. 1 and fig. 3, a grinding assembly 9 is installed on one side of the drying and curing assembly 8 departing from the drying assembly 4, the grinding assembly 9 includes a frame 91, a grinding scraper 92 and a driving member 93, in this embodiment, the frame 91 is a frame of "Jiong", the driving member 93 is a driving cylinder, the conveyor belt 3 is located between the frame 91, the driving member 93 is fixedly installed on the upper surface of the frame 91 through bolts, an expansion link of the driving member 93 penetrates through the frame 91 and faces the conveyor belt, the grinding scraper 92 is sleeved and fixed on the outer wall of the end portion of the expansion link, the head portion of the grinding scraper 92 inclines towards the drying assembly 4, when in use, the driving member 93 drives the grinding scraper 92 to ascend and descend, so that the head portion of the grinding scraper 92 abuts against the lowest height of the brazing material coating, the aluminum flat tube is in the conveying process through the conveyor belt 3, the grinding scraper 92 grinds the brazing material coating, and further, so that the thickness of the brazing material coating on the surface of the aluminum flat tube is more uniform.

Referring to fig. 1, the grinding assembly 9 further includes a sensor 94, the sensor 94 is in signal connection with the driving element 93 and is fixedly mounted on the side wall of the machine frame 91 facing the conveyor belt 3 through bolts, the sensor 94 is used for detecting the thickness of a brazing layer on the surface of a workpiece, and then the expansion and contraction amount of the driving element 93 is controlled to complete the grinding of brazing materials on the surface of the aluminum flat tube, so that the convenience of the grinding assembly 9 is improved.

Referring to fig. 1 and fig. 3, still install the centre gripping subassembly 10 that is used for centre gripping location aluminum flat tube on the frame 91 symmetrically, centre gripping subassembly 10 includes grip block 101 and extensible member 102, extensible member 102 can be the screw rod or drive actuating cylinder, in this embodiment, extensible member 102 preferably drives actuating cylinder, extensible member 102 and sensor 94 signal connection, extensible member 102 passes through bolt fixed mounting on the frame 91 lateral wall, frame 91 is worn to establish by extensible member 102's telescopic link, grip block 101 cover is established and is fixed on telescopic link tip outer wall, be close to each other or keep away from through extensible member 102 drive grip block 101, and then realize the centre gripping loose of aluminum flat tube and put, the aluminum flat tube has been reduced and has appeared sliding when grinding through grinding subassembly 9 and lead to the grinding failure or the not good possibility of grinding effect.

Referring to fig. 1 and 3, brush subassembly 11 is installed to one side that grinding subassembly 9 deviates from heating levelling machine 2, brush subassembly 11 includes mount 111, pivot 112, brush roller 113 and driving motor 114, mount 111 welded fastening is on the lateral wall of conveyer belt 3, pivot 112 swivel mount is on mount 111, and pivot 112 axis perpendicular to drive belt direction of transfer, brush roller 113 cover is established and is installed on pivot 112 outer wall, driving motor 114 passes through bolt fixed mounting on mount 111 lateral wall, driving motor 114's output shaft and the coaxial fixed connection of pivot 112, drive pivot 112 and brush roller 113 through driving motor 114 and rotate, thereby scrape the brush to the aluminum flat tube surface after the grinding, in order to keep brazing the surperficial cleanness of material.

The implementation principle of microchannel aluminum flat tube surface brazing filler metal roller coating equipment in the embodiment of the application is as follows: carry out the applying paint of brazing material to microchannel aluminum flat tube surface through roller coat equipment organism 1 and apply paint with a brush, carry out levelling defoaming treatment through heating levelling machine 2 to aluminum flat tube surface coating after having applied paint and promote process quality, drying component 4 that the air knife 41 that the rethread has heating member 42 at last constitutes is dried the operation to aluminum flat tube, utilize air knife 41 to gather pressure, gather the width of pressing the regulation air outlet through air knife 41 viscera, make the air-out more even, and can adjust the size of pressure and wind speed, make brazing layer stoving blow and establish more evenly, and then reduced the more aluminum alloy surface wind pressure of drying fan 43 and led to the possibility that brazing layer thickness differs the effect of brazing. The condition that thickness differs can also appear in the brazing solder stoving back surface, and rethread grinding subassembly 9 carries out further grinding to the brazing solder surface for the brazing solder surface is more level and more smooth, thereby makes aluminum flat tube obtain better welding effect when the welding.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a microchannel flat aluminum tube surface brazing filler metal roller coating equipment which characterized in that: the roller coating device comprises a roller coating device body (1), wherein a heating leveling machine (2) is arranged on one side of the roller coating device body (1), and a drying assembly (4) is arranged on one side, away from the roller coating device body (1), of the heating leveling machine (2);

the drying component (4) comprises a plurality of air knives (41) arranged on one side of the heating leveling machine (2) departing from the roller coating equipment body (1), a plurality of groups of heating elements (42) arranged in the air knives (41) and a fan (43) communicated with the air knives (41).

2. The microchannel aluminum flat tube surface brazing material roll coating equipment as claimed in claim 1, wherein: an air guide cover (7) is detachably arranged at an air outlet of the air knife (41), and the air guide cover (7) is arranged towards the material.

3. The microchannel aluminum flat tube surface brazing material roll-coating equipment as claimed in claim 1, wherein: the air knife is characterized in that the heating members (42) are arranged in parallel, and the outer wall of the air knife (41) is provided with a plurality of switches (5) for controlling the opening and closing of the heating members (42).

4. The microchannel aluminum flat tube surface brazing material roll coating equipment as claimed in claim 1, wherein: one side that stoving subassembly (4) deviate from roll coating equipment organism (1) is provided with stoving solidification subassembly (8), stoving solidification subassembly (8) are in including mounting bracket (81), setting be close to first solidification lamp (82) of stoving subassembly (4) one side on mounting bracket (81) and set up and be in mounting bracket (81) deviate from second solidification lamp (83) of stoving subassembly (4) one side.

5. The microchannel aluminum flat tube surface brazing material roll coating equipment as claimed in claim 4, wherein the roll coating equipment comprises: drying solidification subassembly (8) deviate from one side of drying subassembly (4) is provided with grinding subassembly (9), grinding subassembly (9) are in including frame (91), oscilaltion setting grinding scraper (92), drive in frame (91) driving piece (93) and setting that grinding scraper (92) go up and down are in sensor (94) on frame (91), sensor (94) are used for detecting work piece surface brazing layer thickness, sensor (94) with driving piece (93) signal connection.

6. The microchannel aluminum flat tube surface brazing material roll coating equipment as claimed in claim 5, wherein: frame (91) bilateral symmetry is provided with centre gripping subassembly (10) that are used for the centre gripping work piece, centre gripping subassembly (10) including slide the setting and be in grip block (101) on frame (91) and drive extensible member (102) that grip block (101) slided, extensible member (102) with sensor (94) signal connection.

7. The microchannel aluminum flat tube surface brazing material roll-coating equipment according to claim 5, characterized in that: and a brush component (11) is arranged on one side of the grinding component (9) departing from the drying and curing component (8).