Fin securing, filling tool and dipping, filling, assembling device and method

Abstract

The application discloses a fin fixing and filling tool, a glue dipping, filling and assembling device and a method. The fin fixing tool is used for fixing a fin with a length dimension arranged along a first direction, a width dimension arranged along a third direction and a plurality of bending segments formed by bending in a second direction. The fin fixing tool comprises a connecting part and a plug-in part. The connecting part extends along the first direction. The plug-in part extends along the third direction and is connected to the connecting part. The plug-in part is used for plugging the inner side of the bending segment of the fin. In the technical scheme, the fin fixing tool comprises the connecting part and the plug-in part arranged on the connecting part. The inner side of the bending segment of the fin is plugged by the plug-in part. The fin is positioned by the fin fixing tool. The fin fixing tool plugs the fin to complete the glue dipping and filling process. The fin positioning problem in the glue dipping and filling process of the fin is solved.

Description

Technical Field

[0001] This invention relates to the field of microchannel heat exchanger equipment, and more particularly to fin fixing and filling fixtures and adhesive application, filling and assembly devices and methods. Background Technology

[0002] Existing microchannel products are mainly divided into parallel flow and serpentine tube types, both of which are composed of fins and flat tubes. Currently, the connection between the fins and flat tubes after assembly is mostly achieved by brazing. The advantages of brazing are strong connection, low thermal resistance, and good heat transfer. However, the disadvantages are the high cost and operating cost of the tunnel furnace required for brazing, as well as the relatively complex process. Furthermore, fins and flat tubes undergo a certain degree of strength reduction after high-temperature heating (610–610℃), thus requiring high-quality raw materials. In summary, this ultimately leads to higher product costs. Therefore, by using adhesive bonding to connect the fins and flat tubes of microchannel products, the investment in tunnel furnace brazing is eliminated, simplifying the process, reducing material strength reduction, and improving product reliability while lowering product costs.

[0003] During the application and filling of the fins, it is necessary to first apply adhesive to the bonding area between the fins and the flat tube, and then fill the fins into the gaps in the flat tubes. How to position the fins during this process has always been a problem that needs to be solved. Summary of the Invention

[0004] The main objective of this invention is to provide a fin fixing and filling fixture and a glue-dipped, filling, and assembly device and method, which aims to solve the problem of difficult fin positioning during the existing glue application and filling process.

[0005] To achieve the above objectives, the present invention proposes a fin fixing fixture for fixing fins whose length is arranged along a first direction, whose width is arranged along a third direction, and which are bent in a second direction to form multiple bent segments. The fin fixing fixture includes:

[0006] The connecting portion extends along the first direction; and,

[0007] The insertion portion extends in a third direction, and one end of the insertion portion is connected to the connecting portion. The insertion portion is used to insert into the inner side of the bent section of the fin.

[0008] Optionally, the connecting portion includes a first connecting portion and a second connecting portion arranged along the second direction; the plug-in portion includes:

[0009] A first plug-in portion is disposed on the first connecting portion;

[0010] The second plug-in portion is disposed on the second connecting portion;

[0011] Furthermore, the first plug-in portion and the second plug-in portion are offset in the first direction.

[0012] Optionally, the first and second insertion portions are used to mate with the inner sides of two adjacent bent sections on the fin.

[0013] Optionally, the first plug-in portion and / or the second plug-in portion are provided with a plurality of portions spaced apart along the first direction.

[0014] To achieve the above objectives, this application also provides a fin adhesive application device, comprising:

[0015] A glue-applying device, said glue-applying device comprising at least one of a glue tank and a glue-coating plate; and,

[0016] The fin fixing fixture is as described above.

[0017] Optionally, the adhesive applicator includes an adhesive tank, and the two ends of the connector are mounted on the sides of the adhesive tank.

[0018] Optionally, grooves are provided on both sides of the glue pool, and the grooves are used to support the two ends of the connecting part.

[0019] Optionally, the third direction is a horizontal direction, and multiple fin fixing fixtures are provided, which are spaced apart on both sides of the glue pool along the third direction.

[0020] Optionally, the fin adhesive application device further includes two adhesive application connecting rods, which are connected to the two ends of the connecting parts of the plurality of fin fixing fixtures.

[0021] Optionally, the connecting part includes a first connecting part and a second connecting part stacked along the second direction, and the adhesive-coated connecting rod is connected to the first connecting part and the second connecting part through a concave-convex fit structure.

[0022] Optionally, the adhesive-coated connecting rod is further provided with a flipping part, which is used to connect to the drive motor.

[0023] To achieve the above objectives, this application also provides a method for applying adhesive to fins, comprising the following steps:

[0024] Provided as described above, a fin adhesive applicator and fins, wherein the length dimension of the fins is arranged along a first direction, the width dimension is arranged along a third direction, and the fins are bent in a second direction to form a plurality of bent segments;

[0025] The insertion part of the fin fixing fixture is inserted into the bent section of the fin;

[0026] The fins are placed into the adhesive-dipping device for adhesive dipping.

[0027] Optionally, the connecting portion includes a first connecting portion and a second connecting portion stacked along the second direction; the insertion portion includes a first insertion portion and a second insertion portion, the first insertion portion being disposed on the first connecting portion; the second insertion portion being disposed on the second connecting portion; and the first insertion portion and the second insertion portion being staggered in the first direction, the step of placing the fin into the adhesive dipping device for adhesive dipping includes:

[0028] One side of the fin is placed into the adhesive dipping device for adhesive dipping;

[0029] Flip the fin fixing fixture over and place the other side of the fin into the adhesive applicator for adhesive application.

[0030] Optionally, the adhesive applicator includes an adhesive tank, with both ends of the connecting portion mounted on the sides of the adhesive tank. The third direction is horizontal. Multiple fin fixing fixtures are provided, spaced apart along the third direction on both sides of the adhesive tank. The step of placing one side of the fin into the adhesive applicator for adhesive application includes:

[0031] Multiple fin fixing fixtures are spaced apart on both sides of the glue pool along the third direction to apply glue to one side of the fin.

[0032] Optionally, the fin adhesive application device further includes two adhesive application connecting rods, which are connected to the two ends of the connecting parts of the plurality of fin fixing fixtures, and the step of flipping the fin fixing fixture includes:

[0033] Flip the two adhesive-coated connecting rods so that the plurality of fin fixing fixtures are flipped.

[0034] To achieve the above objectives, this application also provides a fin filling fixture for filling fins into an installation gap having two adjacent straight pipe sections extending along a first direction, comprising:

[0035] Fin fixing fixture, as described above; and...

[0036] A flat tube positioning fixture includes a base body, and the base body is provided with a plurality of positioning pins along a first direction. The plurality of positioning pins are used to position and attach to two straight tube segments.

[0037] Optionally, the locating pin can be movably positioned along the second direction.

[0038] Optionally, the base body is further provided with a plurality of positioning pins along the second direction.

[0039] Optionally, multiple fin fixing fixtures are provided, and the fin filling fixture further includes:

[0040] A fin transfer fixture, comprising a main body, wherein the main body is provided with multiple rests corresponding to the positioning pins of the flat tube positioning fixture, the multiple rests being placed at both ends of the connecting portions of the multiple fin fixing fixtures; and...

[0041] Two assembly connection brackets are provided, which are connected to the two ends of the connection parts of the plurality of fin fixing fixtures.

[0042] To achieve the above objectives, this application also provides a fin filling method, comprising the following steps:

[0043] A flat tube, fins, and fin filling fixture are provided. The fin filling fixture is as described above. The length dimension of the fin is arranged along a first direction, the width dimension is arranged along a third direction, and it is bent in a second direction to form multiple bends. The flat tube includes multiple straight tube segments extending along the first direction and spaced apart in the second direction, as well as bends connecting the straight tube segments. An installation gap for fin installation is defined between two adjacent straight tube segments.

[0044] Install the flat tube onto the positioning pin of the flat tube positioning fixture;

[0045] The fin fixing fixture and the fin are installed into the installation gap of the flat tube;

[0046] Remove the fin fixing fixture.

[0047] Optionally, the fin fixing fixture and the fins are provided in multiple ways. The fin filling fixture further includes a fin transfer fixture and two assembly connecting brackets. The fin filling fixture is provided with multiple rests corresponding to the positioning pins of the flat tube positioning fixture. The multiple rests are for placing multiple fin fixing fixtures. The two assembly connecting brackets are connected to the two ends of the connecting parts of the multiple fin fixing fixtures. The step of installing the fin fixing fixture and the fins into the installation gap of the flat tube includes:

[0048] After the adhesive is applied, the multiple fin fixing fixtures are placed on the fin transfer fixture, and the multiple fin fixing fixtures are connected using an assembly connection frame.

[0049] The connected fin fixing fixtures are then inserted into the gap between the straight sections of the flat tube.

[0050] Optionally, the step of removing the fin fixing fixture includes:

[0051] Remove the assembly connecting frame and fin fixing fixture in sequence.

[0052] To achieve the above objectives, this application also provides a fin assembly method, including the fin adhesive application method and the fin filling method as described above.

[0053] Optionally, the base of the fin filling fixture is further provided with a plurality of positioning pins along the second direction, the positioning pins being movably disposed along the second direction, and the fin assembly method further includes:

[0054] Adjust the position of the positioning pin in the second direction to adjust the straight section of the flat tube to clamp the fins.

[0055] To achieve the above objectives, this application also provides a fin assembly apparatus, comprising:

[0056] A fin adhesive application device, as described above; and,

[0057] Fin filling fixture, as described above.

[0058] In the technical solution provided by the present invention, the fin fixing fixture includes a connecting part and an insertion part disposed on the connecting part. The insertion part is used to insert into the inner side of the bent section of the fin, thereby using the fin fixing fixture to position the fin. Then, the fin fixing fixture is inserted into the fin to complete the gluing and filling process, thus solving the problem of difficult fin positioning during the existing gluing and filling process. Attached Figure Description

[0059] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0060] Figure 1 An exploded view of an embodiment of the fin fixing fixture provided by the present invention;

[0061] Figure 2 for Figure 1 A schematic diagram of the fin fixing fixture positioning the fins;

[0062] Figure 3 An exploded view of an embodiment of the fin adhesive application device provided by the present invention;

[0063] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0064] Figure 5 for Figure 3 Enlarged view of point A in the middle;

[0065] Figure 6 for Figure 3 A schematic diagram of the fin adhesive application device during the adhesive application process;

[0066] Figure 7 An exploded view of an embodiment of the fin filling tooling provided by the present invention;

[0067] Figure 8 for Figure 7 A three-dimensional schematic diagram of the flat tube positioning fixture in the diagram;

[0068] Figure 9 A three-dimensional schematic diagram of the fin transfer fixture provided by the present invention;

[0069] Figure 10 for Figure 7 A schematic diagram showing the fin filling tool after filling is completed.

[0070] Explanation of icon numbers:

[0071] label name label name 100 Fin fixing fixture 10 Connection part 20 Connector 11 First connecting part 12 Second connecting part 21 First connector 22 Second connector 200 Fin adhesive application device 210 Adhesive application device 211 Slot 220 Adhesive-coated connecting rod 221 Turn face 300 Fin filling fixture 310 Flat tube positioning fixture 311 base body 312 Positioning pin 320 Fin transfer tooling 330 Assembly connecting frame 321 Shelved 400 flat tube 500 fins 510 Bend section 410 straight pipe section 230 glue pool

[0072] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0073] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0074] It should be noted that if the embodiments of the present invention involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0075] Furthermore, if the embodiments of this invention involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0076] Existing microchannel products are mainly divided into parallel flow and serpentine tube types, both of which are composed of fins and flat tubes. Currently, the connection between the fins and flat tubes after assembly is mostly achieved by brazing. The advantages of brazing are strong connection, low thermal resistance, and good heat transfer. However, the disadvantages are the high cost and operating cost of the tunnel furnace required for brazing, as well as the relatively complex process. Furthermore, the fins and flat tubes undergo a certain degree of strength reduction after high-temperature heating, thus requiring high-quality raw materials. In summary, this ultimately leads to higher product costs. Therefore, by using adhesive bonding to connect the fins and flat tubes of microchannel products, the investment in tunnel furnace brazing is eliminated, simplifying the process, reducing material strength reduction, and improving product reliability while lowering product costs.

[0077] During the fin application and filling process, it is necessary to first apply adhesive to the bonding area between the fin and the flat tube, and then fill the fin into the gap of the flat tube. How to position the fin during this process has always been a problem that needs to be solved.

[0078] To address the aforementioned problems, this invention provides a fin fixing and filling fixture, as well as an adhesive application, filling, and assembly apparatus and method. Figures 1 to 2 This is a specific embodiment of the fin fixing fixture 100 provided by the present invention.

[0079] Please see Figures 1 to 2 The fin fixing fixture is used to fix the fins, specifically the fins 500 whose length is arranged along a first direction, whose width is arranged along a third direction, and which are bent in a second direction to form multiple bent segments 510. The fin fixing fixture 100 includes a connecting part 10 and an inserting part 20. The connecting part 10 extends along the first direction; the inserting part 20 extends along a third direction and is connected to the connecting part 10. One end of the inserting part 20 is used to insert into the inner side of the bent segment 510 of the fin 500.

[0080] It should be noted that the microchannel heat exchanger includes a flat tube 400 and fins 500. The flat tube 400 includes a plurality of straight tube sections 410 extending along a second direction and spaced apart in a first direction, and a bent tube section connecting the main tube section. The fins 500 extend along the second direction and are arranged in a meandering manner in the first direction, so that a plurality of bent sections 510 are formed on both ends located in the second direction. The fins 500 are disposed between two straight tube sections 410, and the bent sections 510 of the fins 500 are bonded to the two straight tube sections 410 respectively.

[0081] For the bonding between the fin 500 and the flat tube 400, it is necessary to apply glue to both ends of the fin 500, then fill the flat tube 400 with the glued fin 500, and finally clamp the flat tube 400 and the fin 500 to complete the bonding between the fin 500 and the flat tube 400.

[0082] The connecting portion 10 extends along a first direction, thereby adapting the fin 500 in the first direction. The insertion portion 20 extends along a third direction, that is, the width direction of the fin 500, thereby allowing the insertion portion 20 to insert the fin 500 in the width direction of the fin 500.

[0083] The first direction and the second direction can be any direction in space. For example, the first direction can be up and down, and the second direction can be left and right, or the first direction can be forward and backward, and the second direction can be up and down, etc. There are no restrictions here.

[0084] In the technical solution provided by the present invention, the fin fixing fixture 100 includes a connecting part 10 and an insertion part 20 disposed on the connecting part 10. The insertion part 20 is used to insert into the inner side of the bent section 510 of the fin 500, thereby using the fin fixing fixture 100 to position the fin 500. Then, the fin fixing fixture 100 is inserted into the fin 500 to complete the gluing and filling process, thus solving the problem of difficult positioning of the fin 500 during the existing gluing and filling process.

[0085] Furthermore, to improve the positioning effect of the fin fixing fixture 100 on the fin 500, the connecting portion 10 includes a first connecting portion 11 and a second connecting portion 12 stacked along the second direction; the insertion portion 20 includes a first insertion portion 21 and a second insertion portion 22, the first insertion portion 21 being disposed on the first connecting portion 11; the second insertion portion 22 being disposed on the second connecting portion 12; and the first insertion portion 21 and the second insertion portion 22 being staggered in the first direction. With this arrangement, the first insertion portion 21 and the second insertion portion 22 can jointly clamp the inner side of the bent section of the fin, thereby improving the positioning effect of the fin fixing fixture 100 on the fin 500.

[0086] Of course, the first connecting part 11 and the second connecting part 12 can also be staggered along the second direction. In this way, the first connecting part 11 and the second connecting part 12 stacked along the second direction can clamp the fin 500, thereby improving the positioning effect of the fin fixing fixture 100 on the fin 500. Furthermore, the first insertion part 21 and the second insertion part 22 are spaced apart along the first direction and the second direction. Due to the staggered arrangement of the first insertion part 21 and the second insertion part 22 in the second direction and the first direction, the movement of the fin 500 in the second direction and the first direction can be further restricted.

[0087] Furthermore, since applying adhesive to the fin 500 requires applying adhesive to both ends of the fin 500, if only one connecting part 10 or plug-in part 20 is provided, the fin fixing fixture 100 and the fin 500 need to be installed together first, then one side of the fin 500 needs to be applied with adhesive, and after the adhesive is applied, the two need to be separated and then reinstalled before applying adhesive to the other side of the fin 500. This operation is cumbersome. However, the connecting part 10 includes a first connecting part 11 and a second connecting part 12 stacked along the second direction; the plug-in part 20 includes a first plug-in part 21 and a second plug-in part 22. The first connecting part 11 and the second connecting part 12 only need to be installed together with the fin 500 at once, and after applying adhesive to one side of the fin 500, it can be flipped over to apply adhesive to the other side of the fin 500. Compared with the solution of one connecting part 10, the adhesive application process of the fin 500 is effectively simplified.

[0088] At the same time, the first insertion part 21 and the second insertion part 21 are used to cooperate with the inner side of two adjacent bent sections on the fin 500, thereby strengthening the clamping effect of the first insertion part and the second insertion part on the fin.

[0089] Furthermore, in order to enhance the positioning of the fin 500 in the first direction, multiple first insertion portions 21 are provided at intervals along the first direction. With this arrangement, multiple first insertion portions 21 together clamp the fin 500, thereby enhancing the positioning of the fin 500 in the first direction.

[0090] Of course, multiple second plug-in portions 22 can be spaced apart along the first direction. In this configuration, multiple second plug-in portions 22 together clamp the fin 500, thereby strengthening the positioning of the fin 500 in the first direction.

[0091] Alternatively, multiple first plug-in portions 21 and second plug-in portions 22 may be provided at intervals along the first direction, and multiple first plug-in portions 21 and second plug-in portions 22 may jointly clamp the fin 500 in the first direction, thereby strengthening the positioning of the fin 500 in the first direction.

[0092] Please see Figures 1 to 6 To achieve the above objectives, this application also provides a fin adhesive application device 200, comprising: an adhesive application device 210 and a fin fixing fixture 100, wherein the adhesive application device 210 includes at least one of an adhesive pool 230 and an adhesive plate; and the fin fixing fixture 100 is the fin fixing fixture 100 described above.

[0093] The process of using adhesive bonding to connect fins 500 and flat tubes 400 inevitably involves how the component adhesive is applied to the bonding joint between fins 500 and flat tubes 400, while ensuring that the amount of adhesive applied is economical and avoiding excessive adhesive application that would affect the heat dissipation of flat tubes 400 and fins 500.

[0094] There are many ways to apply glue. Currently, the most common method is manual glue application, which often results in poor consistency in the glue application process.

[0095] Therefore, the glue-dipping method is simple to operate and has good consistency in glue application. It only requires preparing a glue pool 230 or a glue-coated plate, immersing the two ends of the fin 500 into the glue pool 230 in turn, or touching the two ends of the fin 500 to the glue-coated plate in turn, to complete the glue application of the fin 500. Moreover, the glue application has good consistency.

[0096] In this embodiment, the fin fixing fixture 100 includes a connecting part 10 and an insertion part 20 disposed on the connecting part 10. The insertion part 20 is used to insert into the inner side of the bent section 510 of the fin 500, thereby positioning the fin 500 using the fin fixing fixture 100. Then, the fin fixing fixture 100 inserts into the fin 500 to complete the gluing and filling process, solving the problem of difficult positioning of the fin 500 during the existing gluing and filling process. Simply install the fin 500 onto the fin fixing fixture 100, move the fin fixing fixture 100, and sequentially immerse both ends of the fin 500 into the glue pool 230, or sequentially touch both ends of the fin 500 to the glue plate, to complete the gluing work on the fin 500.

[0097] Furthermore, the reusability of the adhesive-coated plate is poor. Therefore, the adhesive applicator 210 includes an adhesive pool 230, which is equipped with a replenishing adhesive pool and a replenishing adhesive component. This ensures that the adhesive depth in the adhesive pool 230 remains within a certain range, thereby enabling the application of adhesive to a large number of fins 500. To ensure the stability of the fins 500 during the adhesive application process, both ends of the connecting part 10 are mounted on the sides of the adhesive pool 230. This eliminates the need for manual holding of the fin fixing fixture 100 and manual control of the adhesive application depth, resulting in better consistency in the adhesive application to the fins 500.

[0098] Meanwhile, grooves 211 are provided on both sides of the glue pool 230. The grooves 211 are used to support the two ends of the connecting part 10. On the one hand, the grooves 211 can position the fin fixing fixture 100, thereby preventing the fin 500 from moving relative to the grooves 211 in the left and right directions. On the other hand, by first adjusting the glue depth in the glue pool 230 and then controlling the groove depth of the grooves 211, the distance between the glue surface in the glue pool 230 and the bottom of the grooves 211 is adjusted, thereby controlling the glue application depth of the fin 500 placed on the grooves 211 and avoiding glue application to the parts other than the side ends of the fin 500.

[0099] Furthermore, in order to enable the glue tank 230 to apply glue to multiple fins 500 at one time, the third direction is a horizontal direction, and multiple fin fixing fixtures 100 are provided. The multiple fin fixing fixtures 100 are spaced apart on both sides of the glue tank 230 along the third direction, so that multiple fins 500 can be applied to one glue tank 230 at one time. The multiple fin fixing fixtures 100 spaced apart on both sides of the glue tank 230 along the horizontal direction can ensure that the fins 500 on the multiple fin fixing fixtures 100 are immersed in the glue tank 230 to a consistent depth under the same glue depth, thus ensuring consistent glue application.

[0100] Furthermore, considering that applying adhesive to the fins 500 requires applying adhesive to both ends of the fins 500, and that the fins 500 need to be flipped after one application, the fin adhesive applicator 200 further includes two adhesive applicator connecting rods 220 to flip multiple fins 500 on the adhesive tank 230 at once. The two adhesive applicator connecting rods 220 are connected to the two ends of the connecting parts 10 of the multiple fin fixing fixtures 100. With this configuration, by setting two adhesive applicator connecting rods 220 and connecting them to the two ends of the connecting parts 10 of the multiple fin fixing fixtures 100, the multiple fin fixing fixtures 100 are connected together. Only by flipping the two adhesive applicator connecting rods 220, multiple fins 500 on the adhesive tank 230 can be flipped at once.

[0101] Specifically, the flipping process involves first lifting the two glue-dipped connecting rods 220 and the multiple fin fixing fixtures 100 upwards out of the glue pool 230, then flipping them over as a whole, and finally placing them on the side of the glue pool 230 to complete the flipping process.

[0102] Furthermore, since the connecting portion 10 includes a first connecting portion 11 and a second connecting portion 12 stacked along the second direction, in order to prevent the first connecting portion 11 and the second connecting portion 12 from separating during the flipping process, the adhesive-soaked connecting rod 220 is connected to the first connecting portion 11 and the second connecting portion 12 through a concave-convex fit structure. Specifically, the adhesive-soaked connecting rod 220 may be provided with two grooves spaced apart in the second direction, and the two grooves may be respectively used for the ends of the first connecting portion 11 and the second connecting portion 12 to be inserted. Alternatively, the adhesive-soaked connecting rod 220 may be provided with two protruding ribs spaced apart in the second direction, and the ends of the first connecting portion 11 and the second connecting portion 12 may be provided with grooves corresponding to the protruding ribs. The two are connected by the cooperation of the protruding ribs and the grooves. With this arrangement, the two protruding ribs can clamp the first connecting portion 11 and the second connecting portion 12 along the second direction, preventing the first connecting portion 11 and the second connecting portion 12 from separating during the flipping process.

[0103] The flipping of the glue-dipped connecting rod 220 can be done manually or by mechanical drive. In order to facilitate connection with the drive shaft of the drive motor, the glue-dipped connecting rod 220 is also provided with a flipping part 221. The flipping part 221 is used to connect with the drive motor, so that the flipping of the glue-dipped connecting rod 220 can be completed under the drive of the drive motor.

[0104] Meanwhile, to achieve the above objectives, this application also provides a method for applying adhesive to fins, comprising the following steps:

[0105] Step S10: Provide the fin adhesive applicator 200 and fin 500 as described above, wherein the length dimension of the fin is arranged along a first direction, the width dimension is arranged along a third direction, and the fin is bent in a roundabout way in a second direction to form a plurality of bent segments;

[0106] Step S20: Insert the insertion part 20 of the fin fixing fixture 100 into the inner side of the bent section 510 of the fin 500;

[0107] Step S30: Place the fin 500 into the adhesive dipping device 210 for adhesive dipping.

[0108] It should be noted that the fin 500 can be placed in the adhesive dipping device 210 for adhesive dipping, either by dipping it in the adhesive pool 230 or by touching the adhesive plate. No limitation is made here.

[0109] The fin fixing fixture 100 includes a connecting part 10 and a plug-in part 20. The connecting part 10 extends along a first direction; the plug-in part 20 extends along a third direction and is connected to the connecting part 10. The plug-in part 20 is used to plug into the inner side of the bent section 510 of the fin 500.

[0110] In this embodiment, the fin fixing fixture 100 includes a connecting part 10 and an insertion part 20 disposed on the connecting part 10. The insertion part 20 is used to insert into the inner side of the bent section 510 of the fin 500, thereby positioning the fin 500 using the fin fixing fixture 100. Then, the fin fixing fixture 100 is inserted into the fin 500 to complete the gluing and filling process, solving the problem of difficult positioning of the fin 500 during the existing gluing and filling process. It is only necessary to install the fin 500 onto the fin fixing fixture 100, move the fin fixing fixture 100, and immerse both ends of the fin 500 into the glue pool 230 in sequence, or touch the two ends of the fin 500 to the glue plate in sequence to complete the gluing work of the fin 500.

[0111] Furthermore, the connecting portion 10 includes a first connecting portion 11 and a second connecting portion 12 arranged along the second direction; the insertion portion 20 includes a first insertion portion 21 and a second insertion portion 22, the first insertion portion 21 being disposed on the first connecting portion 11; the second insertion portion 22 being disposed on the second connecting portion 12; and the first insertion portion 21 and the second insertion portion 22 being staggered in the first direction. With this arrangement, the first insertion portion 21 and the second insertion portion 22 can jointly clamp the inner side of the bent section of the fin, thereby improving the positioning effect of the fin fixing fixture 100 on the fin 500.

[0112] Of course, the first connecting part 11 and the second connecting part 12 can also be staggered along the second direction. In this way, the first connecting part 11 and the second connecting part 12 stacked along the second direction can clamp the fin 500, thereby improving the positioning effect of the fin fixing fixture 100 on the fin 500. Furthermore, the first insertion part 21 and the second insertion part 22 are spaced apart along the first direction and the second direction. Due to the staggered arrangement of the first insertion part 21 and the second insertion part 22 in the second direction, the movement of the fin 500 in the second direction can be further restricted.

[0113] Step S30 includes:

[0114] Step S31: Place one side of the fin 500 into the adhesive dipping device 210 for adhesive dipping;

[0115] Step S32: Flip the fin fixing fixture 100 and place the other side of the fin 500 into the adhesive applicator 210 for adhesive application.

[0116] Furthermore, since applying adhesive to the fin 500 requires applying adhesive to both ends of the fin 500, if only one connecting part 10 or plug-in part 20 is provided, the fin fixing fixture 100 and the fin 500 need to be installed together first, then one side of the fin 500 needs to be applied with adhesive, and after the adhesive is applied, the two need to be separated and then reinstalled before applying adhesive to the other side of the fin 500. This operation is cumbersome. However, the connecting part 10 includes a first connecting part 11 and a second connecting part 12 stacked along the second direction; the plug-in part 20 includes a first plug-in part 21 and a second plug-in part 22. The first connecting part 11 and the second connecting part 12 only need to be installed together with the fin 500 at once, and after applying adhesive to one side of the fin 500, it can be flipped over to apply adhesive to the other side of the fin 500. Compared with the solution of one connecting part 10, the adhesive application process of the fin 500 is effectively simplified.

[0117] The adhesive dipping device 210 includes an adhesive pool 230. Both ends of the connecting portion 10 are mounted on the sides of the adhesive pool 230. Multiple fin fixing fixtures 100 are provided, spaced horizontally on both sides of the adhesive pool 230. The step of placing one side of the fin into the adhesive dipping device 210 for adhesive dipping includes:

[0118] Step S311: A plurality of the fin fixing fixtures are spaced apart on both sides of the glue pool along the third direction to apply glue to one side of the fins.

[0119] With this setup, multiple fin fixing fixtures are simply placed at intervals along the third direction on both sides of the glue pool. This allows multiple fins 500 to be glued at once using a single glue pool 230. Furthermore, the multiple fin fixing fixtures 100 are placed at intervals along the horizontal direction on both sides of the glue pool 230, ensuring that the fins 500 on the multiple fin fixing fixtures 100 are immersed in the glue pool 230 to a consistent depth, thus ensuring consistent glue application.

[0120] Furthermore, the fin adhesive application device 200 also includes two adhesive application connecting rods 220, which are connected to the two ends of the connecting portions 10 of the plurality of fin fixing fixtures 100. Step S32 includes:

[0121] Step S33: Flip the two adhesive-coated connecting rods 220 so that the plurality of fin fixing fixtures are flipped.

[0122] Considering that applying adhesive to the fins 500 requires applying adhesive to both ends of the fins 500, and that the fins 500 need to be flipped after one application, the fin adhesive applicator 200 further includes two adhesive applicator connecting rods 220 to flip multiple fins 500 on the adhesive tank 230 at once. The two adhesive applicator connecting rods 220 are connected to the two ends of the connecting parts 10 of the multiple fin fixing fixtures 100. By setting up two adhesive applicator connecting rods 220, which are connected to the two ends of the connecting parts 10 of the multiple fin fixing fixtures 100, the multiple fin fixing fixtures 100 are connected together. By simply flipping the two adhesive applicator connecting rods 220, multiple fins 500 on the adhesive tank 230 can be flipped at once.

[0123] Please see Figure 1 and Figure 2 , Figures 7 to 10To achieve the above objectives, this application also provides a fin filling fixture 300. The flat tube 400 includes a plurality of straight tube segments 410 extending along a first direction and spaced apart in a second direction, and a bent tube segment connecting the straight tube segments 410. An installation gap for fin 500 installation is defined between two adjacent straight tube segments 410. The fixture includes a fin fixing fixture 100 and a flat tube positioning fixture 310. The fin fixing fixture 100 is as described above. The flat tube positioning fixture 310 includes a base 311. The base 311 is provided with a plurality of positioning pins 312 along the first direction. The plurality of positioning pins 312 are used to position and attach to the two straight tube segments 410 respectively.

[0124] The fin fixing fixture 100 includes a connecting part 10 and an insertion part 20 disposed on the connecting part 10. The insertion part 20 is used to insert into the inner side of the bent section 510 of the fin 500, thereby using the fin fixing fixture 100 to position the fin 500. Then, the fin fixing fixture 100 is inserted into the fin 500 to complete the gluing and filling process, solving the problem of difficult positioning of the fin 500 during the existing gluing and filling process.

[0125] When installing the fin 500 into the installation gap between two adjacent straight pipe sections 410 of the flat tube 400, in order to ensure the installation effect, the flat tube 400 needs to be positioned. The flat tube positioning fixture 310 includes a base 311, and the base 311 is provided with a plurality of positioning pins 312 along a first direction. The plurality of positioning pins 312 are used to position and attach to the two straight pipe sections 410 respectively. By positioning and attaching the positioning pins 312 to the two straight pipe sections 410, the flat tube 400 can be positioned.

[0126] In this embodiment, the fin fixing fixture 100 is used to position the fin 500, and the flat tube positioning fixture 310 is used to position the flat tube 400, thereby solving the problem of difficult positioning of the fin 500 and the flat tube 400 during the filling process.

[0127] Furthermore, the base 311 is also provided with a plurality of positioning pins 312 along the second direction. The plurality of positioning pins 312 arranged along the second direction can clamp the flat tube 400 in the second direction, thereby improving the stability of positioning the flat tube 400. Moreover, the positioning of the flat tube 400 by the base 311 is in both the first and second directions. With this arrangement, the flat tube 400 can be installed and removed from a third direction, thereby facilitating the installation and removal of the flat tube 400 on the flat tube positioning fixture 310.

[0128] It should be noted that after the fin 500 is installed into the installation gap of the flat tube 400, the position of the straight section 410 of the flat tube 400 needs to be adjusted in the second direction to adjust the size of the installation gap. This is to ensure that the flat tube 400 clamps the fin 500, preventing the flat tube 400 and the fin 500 from loosening before the adhesive has cured. Therefore, the positioning pin 312 can be movably set in the second direction to adjust the size of the installation gap. Before the fin 500 is installed, the position of the positioning pin 312 in the second direction is adjusted to increase the installation gap, facilitating the installation of the fin 500. After the fin 500 is installed, the position of the positioning pin 312 in the second direction is adjusted again to decrease the installation gap, ensuring that the flat tube 400 clamps the fin 500, preventing the flat tube 400 and the fin 500 from loosening before the adhesive has cured.

[0129] Specifically, there are many ways to enable the positioning pin 312 to move in the second direction. For example, an elongated hole extending in the second direction is provided on the seat 311 for the positioning pin 312 to be installed. In this case, the positioning pin 312 is a bolt. When the bolt is tightened, it can be fixed on the flat tube 400 fixing fixture. When the bolt is loosened, it moves along the elongated hole in the second direction.

[0130] Correspondingly, a flat tube 400 needs to install multiple fins 500. Therefore, in order to fill multiple fins 500 at one time, multiple fin fixing fixtures 100 are provided. The fin filling fixture 300 also includes a fin transfer fixture 320 and two assembly connecting brackets 330. The fin 500 filling fixture includes a main body. The main body is provided with multiple rests 321 corresponding to the positioning pins 312 of the flat tube positioning fixture 310. The multiple rests 321 are used to place the two ends of the connecting parts 10 of the multiple fin fixing fixtures 100. The two assembly connecting brackets 330 are connected to the two ends of the connecting parts 10 of the multiple fin fixing fixtures 100.

[0131] By providing multiple rest pins 321 on the main body of the fin transfer fixture 320, the two ends of the connecting parts 10 of the multiple fin fixing fixtures 100 can be placed on the fin 500 mounting fixture. Furthermore, the multiple rest pins 321 are provided corresponding to the positioning pins 312 of the flat tube positioning fixture 310, so that the multiple fin fixing fixtures 100 on the fin transfer fixture 320 correspond exactly to the multiple installation gaps of the flat tube 400 on the flat tube positioning fixture 310. This ensures that after connecting them into a whole, the multiple fin fixing fixtures 100 can be placed into the multiple installation gaps of the flat tube 400 at one time.

[0132] By setting up fin fixing fixtures 100, the two assembly connecting frames 330 are connected to the two ends of the connecting parts 10 of the multiple fin fixing fixtures 100, thereby connecting the multiple fin fixing fixtures 100 placed on the fin transfer fixture 320 into a whole, and realizing the one-time filling of multiple fins 500.

[0133] To achieve the above objectives, this application also provides a method for filling fins 500, comprising the following steps:

[0134] Step S40: Provide a flat tube 400, fins 500 and fin filling fixture 300, wherein the fin filling fixture 300 is the fin filling fixture 300 as described above.

[0135] Step S50: Install the flat tube 400 onto the positioning pin 312 of the flat tube positioning fixture 310;

[0136] Step S60: Install the fin fixing fixture 100 and the fin 500 into the installation gap of the flat tube 400;

[0137] Step S70: Remove the fin fixing fixture 100.

[0138] It should be noted that the above steps can be completed manually or automatically with the help of mechanical equipment, and no limitation is made here.

[0139] The fin fixing fixture 100 includes a connecting part 10 and an insertion part 20 disposed on the connecting part 10. The insertion part 20 is used to insert into the inner side of the bent section 510 of the fin 500, thereby using the fin fixing fixture 100 to position the fin 500. Then, the fin fixing fixture 100 is inserted into the fin 500 to complete the gluing and filling process, solving the problem of difficult positioning of the fin 500 during the existing gluing and filling process.

[0140] When installing the fin 500 into the installation gap between two adjacent straight pipe sections 410 of the flat tube 400, in order to ensure the installation effect, the flat tube 400 needs to be positioned. The flat tube positioning fixture 310 includes a base 311, and the base 311 is provided with a plurality of positioning pins 312 along a first direction. The plurality of positioning pins 312 are used to position and attach to the two straight pipe sections 410 respectively. By positioning and attaching the positioning pins 312 to the two straight pipe sections 410, the flat tube 400 can be positioned.

[0141] In this embodiment, the fin fixing fixture 100 is used to position the fin 500, and the flat tube positioning fixture 310 is used to position the flat tube 400, thereby solving the problem of difficult positioning of the fin 500 and the flat tube 400 during the filling process.

[0142] It should be emphasized that the fins 500 can be filled into the installation gap one by one, or multiple fins 500 can be filled into the installation gap together.

[0143] Furthermore, the fin fixing fixture 100 and the fin 500 are provided in multiple ways. The fin filling fixture 300 also includes a fin transfer fixture 320 and two assembly connecting brackets 330. The fin filling fixture 500 is provided with multiple rests 321 corresponding to the positioning pins 312 of the flat tube positioning fixture 310. The multiple rests 321 are used to place the multiple fin fixing fixtures 100. The two assembly connecting brackets 330 are connected to the two ends of the connecting parts 10 of the multiple fin fixing fixtures 100.

[0144] Step S60 includes:

[0145] Step S61: Place the multiple fin fixing fixtures 100 after adhesive application on the fin transfer fixture 320, and connect the multiple fin fixing fixtures 100 using the assembly connecting bracket 330.

[0146] Step S62: Connect and insert the multiple fin fixing fixtures 100 into the gap of the straight pipe section 410 of the flat tube 400.

[0147] By providing multiple rest pins 321 on the main body of the fin transfer fixture 320, the two ends of the connecting parts 10 of the multiple fin fixing fixtures 100 can be placed on the fin 500 mounting fixture. Furthermore, the multiple rest pins 321 are provided corresponding to the positioning pins 312 of the flat tube positioning fixture 310, so that the multiple fin fixing fixtures 100 on the fin transfer fixture 320 correspond exactly to the multiple installation gaps of the flat tube 400 on the flat tube positioning fixture 310. This ensures that after connecting them into a whole, the multiple fin fixing fixtures 100 can be placed into the multiple installation gaps of the flat tube 400 at one time.

[0148] By setting up fin fixing fixtures 100, the two assembly connecting frames 330 are connected to the two ends of the connecting parts 10 of the multiple fin fixing fixtures 100, thereby connecting the multiple fin fixing fixtures 100 placed on the fin transfer fixture 320 into a whole, and realizing the one-time filling of multiple fins 500.

[0149] Meanwhile, step S70 includes:

[0150] Step S71: Sequentially remove the assembly connecting bracket 330 and the fin fixing fixture 100.

[0151] Because the assembly connecting frame 330 connects the fin fixing fixture 100, the assembly connecting frame 330 needs to be removed first to separate the multiple fin fixing fixtures 100 before the fin 500 fixing work can be dismantled.

[0152] To achieve the above objectives, this application also provides a fin assembly method, including the fin adhesive application method as described above and the fin 500 filling method as described above.

[0153] Specifically, the fin assembly method includes:

[0154] Step S10: Provide the fin adhesive applicator 200 and fin 500 as described above;

[0155] Step S20: Insert the insertion part 20 of the fin fixing fixture 100 into the inner side of the bent section 510 of the fin 500;

[0156] Step S30: Place the fin 500 into the adhesive dipping device 210 for adhesive dipping;

[0157] Step S40: Provide a flat tube 400, fins 500 and fin filling fixture 300, wherein the fin filling fixture 300 is the fin filling fixture 300 as described above.

[0158] Step S50: Install the flat tube 400 onto the positioning pin 312 of the flat tube positioning fixture 310;

[0159] Step S60: Install the fin fixing fixture 100 and the fin 500 into the installation gap of the flat tube 400;

[0160] Step S70: Remove the fin fixing fixture 100.

[0161] The fin assembly method of this application enables the adhesive application and filling process of fin 500, filling the gap in the existing bonding process of fin 500 and flat tube 400.

[0162] Furthermore, the base 311 is also provided with a plurality of positioning pins 312 along the second direction, the positioning pins 312 being movably disposed along the second direction, and the fin assembly method further includes:

[0163] Step S80: Adjust the position of the positioning pin 312 in the second direction to adjust the straight pipe section 410 of the flat tube 400 to clamp the fin 500.

[0164] It should be noted that after the fin 500 is installed into the installation gap of the flat tube 400, the position of the straight section 410 of the flat tube 400 needs to be adjusted in the second direction to adjust the size of the installation gap. This is to ensure that the flat tube 400 clamps the fin 500, preventing the flat tube 400 and the fin 500 from loosening before the adhesive has cured. Therefore, the positioning pin 312 can be movably set in the second direction to adjust the size of the installation gap. Before the fin 500 is installed, the position of the positioning pin 312 in the second direction is adjusted to increase the installation gap, facilitating the installation of the fin 500. After the fin 500 is installed, the position of the positioning pin 312 in the second direction is adjusted again to decrease the installation gap, ensuring that the flat tube 400 clamps the fin 500, preventing the flat tube 400 and the fin 500 from loosening before the adhesive has cured.

[0165] To achieve the above objectives, this application also provides a fin assembly apparatus, comprising:

[0166] Fin adhesive application device 200, as described above; and,

[0167] Fin filling fixture 300, as described above.

[0168] The fin adhesive applicator 200 includes an adhesive applicator 210 and a fin fixing fixture 100. The adhesive applicator 210 includes at least one of an adhesive pool 230 and an adhesive plate. The fin fixing fixture 100 is the fin fixing fixture 100 described above.

[0169] The fin fixing fixture 100 includes a connecting part 10 and a plug-in part 20. The connecting part 10 extends along a first direction; the plug-in part 20 extends along a third direction and is connected to the connecting part 10. One end of the plug-in part 20 is used to plug into the inner side of the bent section 510 of the fin 500.

[0170] The fin filling fixture 300 includes: a fin fixing fixture 100 and a flat tube positioning fixture 310. The fin fixing fixture 100 is as described above. The flat tube positioning fixture 310 includes a base 311. The base 311 is provided with a plurality of positioning pins 312 along a first direction. The plurality of positioning pins 312 are used to position and attach to the two straight tube sections 410 respectively.

[0171] The specific embodiments of the fin fixing fixture 100, the fin adhesive dipping device 200, and the fin filling fixture 300 have been described above and will not be repeated here.

[0172] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A fin fixing fixture for fixing a fin whose length is arranged along a first direction, whose width is arranged along a third direction, and which is bent in a second direction to form multiple bent segments, characterized in that, The fin fixing fixture includes: The connecting portion extends along the first direction; and, A plug-in portion extends in a third direction, and one end of the plug-in portion is connected to the connecting portion. The plug-in portion is used to plug into the inner side of the bent section of the fin. The connecting portion includes a first connecting portion and a second connecting portion arranged along the second direction; the plug-in portion includes: A first plug-in portion is disposed on the first connecting portion; The second insertion part is disposed on the second connecting part; Furthermore, the first plug-in portion and the second plug-in portion are offset in the first direction.

2. The fin fixing fixture as described in claim 1, characterized in that, The first and second insertion portions are used to engage with the inner sides of two adjacent bent sections on the fin.

3. The fin fixing fixture as described in claim 1 or 2, characterized in that, The first plug-in portion and / or the second plug-in portion are provided in multiple portions at intervals along the first direction.

4. A fin adhesive dipping device, characterized in that, include: The adhesive applicator includes at least one of a glue tank and a glue-coated plate. as well as, The fin fixing fixture is the fin fixing fixture described in any one of claims 1 to 3.

5. The fin adhesive application device as described in claim 4, characterized in that, The adhesive applicator includes an adhesive tank, and the two ends of the connector are mounted on the sides of the adhesive tank.

6. The fin adhesive application device as described in claim 5, characterized in that, The glue tank has grooves on both sides for mounting the two ends of the connecting part.

7. The fin adhesive application device as described in claim 6, characterized in that, The third direction is a horizontal direction, and multiple fin fixing fixtures are provided, which are spaced apart on both sides of the glue pool along the third direction.

8. The fin adhesive application device as described in claim 7, characterized in that, The fin adhesive application device also includes two adhesive application connecting rods, which are connected to the two ends of the connecting parts of the plurality of fin fixing fixtures.

9. The fin adhesive application device as described in claim 8, characterized in that, The connecting part includes a first connecting part and a second connecting part stacked along the second direction, and the adhesive-coated connecting rod is connected to the first connecting part and the second connecting part through a concave-convex fit structure.

10. The fin adhesive application device as described in claim 7, characterized in that, The adhesive-coated connecting rod is also provided with a flipping part, which is used to connect to the drive motor.

11. A method for applying adhesive to fins, characterized in that, Includes the following steps: The fin adhesive application apparatus as described in any one of claims 4 to 10 is provided, as well as a fin, wherein the length dimension of the fin is arranged along a first direction, the width dimension is arranged along a third direction, and the fin is bent in a second direction to form a plurality of bent segments; The insertion part of the fin fixing fixture is inserted into the inside of the bent section of the fin; The fins are placed into the adhesive-dipping device for adhesive dipping.

12. The fin adhesive application method as described in claim 11, characterized in that, The connecting portion includes a first connecting portion and a second connecting portion arranged along a second direction; the insertion portion includes a first insertion portion and a second insertion portion, wherein the first insertion portion is disposed at the first connecting portion; the second insertion portion is disposed at the second connecting portion; and the first insertion portion and the second insertion portion are offset in the first direction. The step of placing the fin into the adhesive dipping device for adhesive dipping includes: One side of the fin is placed into the adhesive dipping device for adhesive dipping; Flip the fin fixing fixture over and place the other side of the fin into the adhesive applicator for adhesive application.

13. The fin adhesive application method as described in claim 11, characterized in that, The adhesive dipping device includes an adhesive tank, with both ends of the connecting part mounted on both sides of the adhesive tank. The third direction is horizontal. Multiple fin fixing fixtures are provided, spaced apart along the third direction on both sides of the adhesive tank. The step of placing one side of the fin into the adhesive dipping device for adhesive dipping includes: Multiple fin fixing fixtures are spaced apart on both sides of the glue pool along the third direction to apply glue to one side of the fin.

14. The fin adhesive application method as described in claim 13, characterized in that, The fin adhesive application device further includes two adhesive application connecting rods, which are connected to the two ends of the connecting parts of the plurality of fin fixing fixtures. The step of flipping the fin fixing fixtures includes: Flip the two adhesive-coated connecting rods so that the plurality of fin fixing fixtures are flipped.

15. A fin-filling fixture for filling fins into an installation gap having two adjacent straight pipe sections extending in a first direction, characterized in that, include: A fin fixing fixture, as described in any one of claims 1 to 3; as well as, A flat tube positioning fixture includes a base, wherein the base is provided with a plurality of positioning pins along a first direction, and the plurality of positioning pins are used to position and attach to two straight tube segments.

16. The fin filling fixture as described in claim 15, characterized in that, The base is also provided with multiple positioning pins along the second direction.

17. The fin filling fixture as described in claim 16, characterized in that, The positioning pin can be movably set along the second direction.

18. The fin filling fixture as described in claim 16, characterized in that, The fin fixing fixture is provided in multiple ways, and the fin filling fixture further includes: A fin transfer fixture includes a main body, wherein the main body is provided with multiple rests corresponding to the positioning pins of the flat tube positioning fixture, and the multiple rests are provided for the two ends of the connecting parts of the multiple fin fixing fixtures; and... Two assembly connection brackets are provided, which are connected to the two ends of the connection parts of the plurality of fin fixing fixtures.

19. A fin filling method, characterized in that, Includes the following steps: A flat tube, fins, and fin filling fixture are provided. The fin filling fixture is the fin filling fixture according to any one of claims 15 to 18. The length dimension of the fin is arranged along a first direction, the width dimension is arranged along a third direction, and it is bent in a second direction to form a plurality of bent segments. The flat tube includes a plurality of straight tube segments extending along the first direction and spaced apart in the second direction, and bent tube segments connecting the straight tube segments. An installation gap for fin installation is defined between two adjacent straight tube segments. Install the flat tube onto the positioning pin of the flat tube positioning fixture; The fin fixing fixture and the fin are installed into the installation gap of the flat tube; Remove the fin fixing fixture.

20. The fin filling method as described in claim 19, characterized in that, The fin fixing fixture and the fins are provided in multiple ways. The fin filling fixture also includes a fin transfer fixture and two assembly connecting brackets. The fin filling fixture is provided with multiple rests corresponding to the positioning pins of the flat tube positioning fixture. The multiple rests are for placing multiple fin fixing fixtures. The two assembly connecting brackets are connected to the two ends of the connecting parts of the multiple fin fixing fixtures. The step of installing the fin fixing fixture and the fins into the installation gap of the flat tube includes: After the adhesive is applied, the multiple fin fixing fixtures are placed on the fin transfer fixture, and the multiple fin fixing fixtures are connected using an assembly connection frame. The connected fin fixing fixtures are then inserted into the gap between the straight sections of the flat tube.

21. The fin filling method as described in claim 20, characterized in that, The step of removing the fin fixing fixture includes: Remove the assembly connecting frame and fin fixing fixture in sequence.

22. A fin assembly method, characterized in that, This includes the fin adhesive application method as described in any one of claims 11 to 14 and the fin filling method as described in any one of claims 19 to 21.

23. The fin assembly method as described in claim 22, characterized in that, The fin filling fixture's base is further provided with multiple positioning pins along the second direction, and the positioning pins are movable along the second direction. The fin assembly method further includes: Adjust the position of the positioning pin in the second direction to adjust the straight section of the flat tube to clamp the fins.

24. A fin assembly device, characterized in that, include: A fin adhesive application device, as described in any one of claims 4 to 10; as well as, A fin filling fixture, as described in any one of claims 15 to 18.

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