Condenser bonding structure

Abstract

The utility model provides a condenser pasting structure for pasting aluminium foil on the surface of condenser and the installation shell with condenser, the condenser pasting structure includes first gyro wheel, first gyro wheel includes: first body, the circumference of first body is provided with installation groove, second body is arranged in the installation groove, and the hardness of second body is less than the hardness of first body, and first pasting groove is arranged along the circumference of second body, and the slot of first pasting groove is located at the slot of installation groove, and first pasting groove is used for corresponding with the condenser of condenser, through the technical scheme provided by the utility model, can solve the slot width of the slot gyro wheel in prior art is too wide and is easy to form the space of insufficient contact between aluminium foil and condenser or installation shell, and the slot width of the slot gyro wheel is narrow and is easy to cause the technical problem of the crack of no lining aluminium foil in the pasting process.

Description

Technical Field

[0001] This utility model relates to the field of coating equipment technology, and more specifically, to a condenser coating structure. Background Technology

[0002] Currently, the mounting shell, as part of the refrigerator's outer casing, plays a crucial role in the refrigerator's energy efficiency and heat exchange performance through its condenser bonding process. The mounting shell is typically a U-shaped assembly. Traditional condenser bonding processes use grooved rollers to apply aluminum foil, while current technologies commonly use unlined aluminum foil. However, the grooved rollers used in existing technologies have certain limitations in the design of the groove width, which directly affects the width and quality of the condenser aluminum foil application. Setting the groove width of the grooved roller often presents a dilemma: if the groove is too wide, the condenser aluminum foil application width will be too large, creating a large cavity—that is, insufficient contact space between the aluminum foil and the condenser or mounting shell—thus affecting the refrigerator's heat exchange efficiency and energy efficiency. Therefore, to ensure a tight fit between the aluminum foil and the condenser and to improve heat exchange efficiency, the groove of the grooved roller is generally set to be narrow. This often makes unlined aluminum foil (which has high rigidity and almost zero tensile deformation) prone to cracking during the application process. Utility Model Content

[0003] The main purpose of this utility model is to provide a condenser coating structure to solve the technical problem in the prior art where the narrow groove width of the grooved roller easily causes cracking of the unlined aluminum foil during the coating process.

[0004] To achieve the above objectives, according to one aspect of the present invention, a condenser bonding structure is provided for bonding aluminum foil to the surface of a condenser and a mounting shell on which the condenser is mounted. The condenser bonding structure includes a first roller, the first roller comprising: The first body has a mounting groove in its circumferential direction; A second body is disposed within the mounting groove, the hardness of the second body being less than that of the first body; a first coating groove is disposed along the circumference of the second body, the opening of the first coating groove being located at the opening of the mounting groove; the first coating groove is used to correspond to the condenser tube and to accommodate at least a portion of the condenser tube.

[0005] In some embodiments, the second body includes an interconnected fitting portion and a deformable portion capable of deformation, the deformable portion being disposed at the opening of the first fitting groove, the fitting portion being disposed at the outer edge of the deformable portion, and the fitting portion being used to fit with the mounting shell; The first roller has a pressing position and a clamping position; when the first roller is in the pressing position, the deformable part protrudes from the fitting part; when the first roller is in the clamping position, the deformable part deforms to fit onto the mounting shell.

[0006] In some embodiments, when the first roller is in the pressed-down position, the deformable portion is spaced apart from the condenser tube to form a clearance space for the deformable portion to deform; and / or, The deformed part is an arc-shaped part.

[0007] In some embodiments, the second body includes a transition connection portion disposed between the deformable portion and the fitting portion; Wherein, the transition connection portion is inclined; and / or, The transition connection part has an arc-shaped structure.

[0008] In some embodiments, the first bonding groove includes a mating groove segment for at least a portion of the condenser tube being mated. The mating groove segment includes a first elliptical arc segment, a circular arc segment, and a second elliptical arc segment connected in sequence, with the circular arc segment located between the first elliptical arc segment and the second elliptical arc segment.

[0009] In some embodiments, the first bonding groove further includes: The first arc-shaped transition segment is located between the first elliptical arc segment and the deformed part; The second arc-shaped transition segment is located between the second elliptical arc segment and the deformed part.

[0010] In some embodiments, the second body is interference-fitted with the mounting groove.

[0011] In some embodiments, the first body includes a first connecting portion and a second connecting portion connected along an axial direction, the first connecting portion being disposed at the periphery of the second body, and the second connecting portion being disposed on the side of the first connecting portion away from the second body; Wherein, the first connecting portion is fitted into the second body; and / or, The second connecting portion is inclined from the middle of the first body to the end of the first body, so that when the second connecting portion is fitted with the mounting shell, a gap is formed between the second connecting portion and the mounting shell.

[0012] In some embodiments, the condenser bonding structure includes a second roller and a second bonding groove is provided along the circumference of the second roller. The second bonding groove is used to correspond to the condenser tube and to accommodate at least a portion of the condenser tube. Wherein, the length of the second body along the axial direction of the first roller is less than the axial length of the second roller.

[0013] In some embodiments, the first roller and the second roller have through holes extending along their axial direction, and a rotating body is disposed within the through holes.

[0014] By applying the technical solution of this utility model, and using a first body and a second body with different hardness, more precise control can be achieved during the aluminum foil application process. The hard material of the first body ensures the durability and stability of the rollers, while the flexible material of the second body can adapt to the shape of the condenser, reducing the possibility of aluminum foil breakage and deformation during the application process. At the same time, during the application process, the flexible material of the second body can extend to both sides as the pressure increases, compressing the cavity between the aluminum foil and the condenser, effectively reducing the volume of the application cavity, improving the tightness between the aluminum foil and the condenser, and enhancing the heat exchange effect. Attached Figure Description

[0015] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings: Figure 1 A schematic diagram of the working state of the condenser coating structure provided according to an embodiment of the present invention is shown; Figure 2 A cross-sectional view of a first roller provided according to an embodiment of the present invention is shown; Figure 3 A cross-sectional view of a second body provided according to an embodiment of the present invention is shown; Figure 4 A schematic diagram of the contact phase of a condenser coating structure provided according to an embodiment of the present invention is shown; Figure 5 A schematic diagram of the pressing stage of the condenser coating structure provided according to an embodiment of the present invention is shown; Figure 6 A schematic diagram of the pressing stage of the condenser coating structure provided according to an embodiment of the present invention is shown.

[0016] The above figures include the following reference numerals: 1. First roller; 11. First body; 111. Mounting groove; 112. Second connecting part; 12. Second body; 121. Fitting part; 122. Deformation part; 123. Transition connecting part; 124. Mating groove section; 1241. First elliptical arc segment; 1242. Circular arc segment; 1243. Second elliptical arc segment; 125. First arc-shaped transition section; 126. Second arc-shaped transition section; 13. Rotating body; 2. First application of the coating; 3. Make way; 4. Second roller; 41. Second bonding groove; 10. Condenser; 20. Mounting housing; 30. Aluminum foil. Detailed Implementation

[0017] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0018] like Figures 1 to 6 As shown, an embodiment of this utility model provides a condenser bonding structure for bonding aluminum foil 30 to the surface of a condenser and a mounting shell 20. The condenser tube 10 of the condenser is disposed on the mounting shell 20, which is generally a U-shaped shell assembly. The condenser bonding structure includes a first roller 1, which includes a first body 11 and a second body 12. The first body 11 has a mounting groove 111 circumferentially disposed therein. The second body 12 is disposed within the mounting groove 111, and the hardness of the second body 12 is less than that of the first body 11. A first bonding groove 2 is disposed circumferentially along the second body 12, and the opening of the first bonding groove 2 is located at the opening of the mounting groove 111. The first bonding groove 2 is used to correspond to the condenser tube 10 and to accommodate at least a portion of the condenser tube 10.

[0019] By using a first body 11 and a second body 12 with different hardnesses, more precise control can be achieved during the aluminum foil 30 application process. The hard material of the first body 11 ensures the durability and stability of the rollers, while the flexible material of the second body 12 can adapt to the shape of the condenser tube 10, reducing the possibility of breakage and deformation of the aluminum foil 30 during the application process. At the same time, during the application process, the flexible material of the second body 12 can extend to both sides as the pressure increases, compressing the cavity between the aluminum foil 30 and the condenser tube 10, effectively reducing the volume of the application cavity, increasing the tightness between the aluminum foil 30 and the condenser tube 10, and enhancing the heat exchange effect.

[0020] In this embodiment, the first body 11 and the second body 12 are polyurethane bodies. For example, the first body 11 is a polyurethane body with a hardness of 60 HA, and the second body 12 is a polyurethane body with a hardness of 45 HA. In this embodiment, as Figure 2 and Figure 3As shown, the second body 12 includes an interconnected fitting portion 121 and a deformable portion 122. The deformable portion 122 is disposed at the opening of the first fitting groove 2, and the fitting portion 121 is disposed at the outer edge of the deformable portion 122. The fitting portion 121 is used to fit with the mounting shell 20. The first roller 1 has a pressing position and a clamping position. When the first roller 1 is in the pressing position, the deformable portion 122 protrudes from the fitting portion 121. When the first roller 1 is in the clamping position, the deformable portion 122 deforms to fit onto the mounting shell 20.

[0021] The second body 12 includes a bonding part 121 and a deformation part 122. The deformation part 122 is positioned at the opening of the first bonding groove 2. At different stages of the bonding process, the deformation part 122 can dynamically adjust its contact pressure with the mounting shell 20 according to the actual situation. In the pressing position, the deformation part 122 protrudes, initially contacting and guiding the aluminum foil 30 for bonding. In the pressing position, the deformation part 122 deforms under force, tightly bonding to the mounting shell 20, achieving effective fixation and tight bonding of the aluminum foil 30, improving the stability and quality of the bonding process. Through the flexible deformation of the deformation part 122, the aluminum foil 30 can be squeezed closer to the condenser tube 10 during the bonding process, thereby reducing the cavity volume formed between the aluminum foil 30 and the mounting shell 20. This optimizes the heat exchange performance of the condenser tube 10 and reduces energy loss. Meanwhile, the protruding state of the deformation part 122 in the pressed position reduces the impact force on the aluminum foil 30 during initial contact, preventing the aluminum foil 30 from cracking or being damaged due to excessive stress. In the pressed position, the deformation of the deformation part 122 can evenly distribute the pressure, preventing excessive local pressure from damaging the aluminum foil 30, thus ensuring the safety of the application process and the integrity of the aluminum foil 30. Through the synergistic effect of the bonding part 121 and the deformation part 122, reliable bonding of the aluminum foil 30 to the mounting shell 20 is ensured.

[0022] In this embodiment, when the first roller 1 is in the pressing position, the deformable part 122 is spaced apart from the condenser tube 10 to form a clearance space 3 for the deformable part 122 to deform. During the pressing stage, the aluminum foil 30 is not yet fully attached to the condenser tube 10. The existence of the clearance space 3 allows the deformable part 122 to pre-shape the aluminum foil 30 first, and then, in the subsequent pressing stage, it can use its own deformation ability to tightly attach the aluminum foil 30 to the condenser tube 10. This not only reduces the cavity volume but also ensures the integrity of the aluminum foil 30 attachment, avoiding bubbles or gaps that may appear later in the attachment process.

[0023] Furthermore, the deformable portion 122 is an arc-shaped portion. The arc-shaped portion provides a smooth transition zone for the aluminum foil 30 during the pressing and clamping process of the roller, resulting in a more uniform force distribution. Compared to contact with right angles or sharp edges, the arc-shaped portion reduces excessive local pressure, preventing unnecessary deformation or damage to the aluminum foil 30 during application. The arc-shaped portion also reduces the frictional resistance between the aluminum foil 30 and the first roller 1, preventing poor application or tearing of the aluminum foil 30 due to high resistance.

[0024] In this embodiment, the second body 12 includes a transition connection portion 123, which is disposed between the deformable portion 122 and the fitting portion 121. The transition connection portion 123 is inclined. The inclined design of the transition connection portion 123 makes the pressure transmission from the deformable portion 122 to the fitting portion 121 present a gradual change, rather than an abrupt change. Specifically, the angle and inclination direction of the transition connection portion 123 can improve the fit between the deformable portion 122 and the fitting portion 121, ensuring that the two work together during the application process. When the deformable portion 122 is in the pressed position, it protrudes to guide the aluminum foil 30, and the transition connection portion 123 assists the deformable portion 122 to smoothly transition to the fitting portion 121, ensuring uniform adhesion between the aluminum foil 30 and the mounting shell 20, and avoiding tearing or wrinkling of the aluminum foil 30 during the application process. For example, the transition connection portion 123 can be a beveled or arc-shaped structure, or a combination of beveled and arc-shaped structures.

[0025] In this embodiment, the first bonding groove 2 includes a mating groove segment 124, which is used to fit at least a portion of the condenser tube 10. The mating groove segment 124 includes a first elliptical arc segment 1241, a circular arc segment 1242, and a second elliptical arc segment 1243 connected in sequence. The circular arc segment 1242 is located between the first elliptical arc segment 1241 and the second elliptical arc segment 1243. The mating groove segment 124, the deformation portion 122, and the transition connection portion 123 make the first bonding groove 2 have an irregular shape, allowing the first roller 1 to better adapt to condenser tubes 10 of different shapes. The first elliptical arc segment 1241 and the second elliptical arc segment 1243 are used to adapt to flat tubes, while the circular arc segment 1242 provides a smooth transition in the middle for adapting to round tubes.

[0026] Furthermore, the first bonding groove 2 includes a first arc-shaped transition section 125 located between the first elliptical arc segment 1241 and the deformable portion 122, and the second body 12 also includes a second arc-shaped transition section 126 located between the second elliptical arc segment 1243 and the deformable portion 122. The first arc-shaped transition section 125 and the second arc-shaped transition section 126 make the contact between the aluminum foil 30 and the bonding groove segment 124 and the deformable portion 122 smoother during the bonding process, avoiding stress concentration that may be caused by right angles or sharp corners. The uniformity of stress distribution helps to reduce the breakage and deformation of the aluminum foil 30 when it is tightly attached to the condenser tube 10, ensuring the smooth progress of the bonding operation.

[0027] Furthermore, the second body 12 is interference-fitted with the mounting groove 111. This method prevents the second body 12 from loosening or rotating during long-term operation, ensuring the first roller 1 accurately positions the second body 12 during the application process. This facilitates the deformation part 122 to deform in a predetermined direction, ensuring that the deformation part 122 achieves tight adhesion and a solid foundation after stable deformation. This, in turn, ensures the overall stable operation of the condenser application structure, thereby improving the application quality and equipment reliability.

[0028] In this embodiment, the first body 11 includes a first connecting portion and a second connecting portion 112 connected axially. The first connecting portion is disposed at the periphery of the second body 12, and the second connecting portion 112 is disposed on the side of the first connecting portion away from the second body 12. The first connecting portion is fitted to the second body 12. The second connecting portion 112 is inclined from the middle of the first body 11 to its end, so that when the second connecting portion 112 is fitted to the mounting shell 20, a gap is formed between the second connecting portion 112 and the mounting shell 20. The fitted design of the first connecting portion and the second body 12 enhances the integration of the various parts of the first roller 1. It avoids deformation of the side of the second body 12 away from the first application groove 2 due to the lack of support caused by the lower rigidity of the second body 12. The inclined design of the second connecting portion 112 promotes the natural flow and deformation of the aluminum foil 30 during the application process. The formed gap provides sufficient space for the aluminum foil 30 to slide naturally along the inclined surface to the target application position without causing material stacking or tearing due to forced compression. The presence of this gap helps reduce cavities and air bubbles that may appear after application. For example, in the initial stage of application, after the first roller 1 has worked, a portion of the aluminum foil 30 is bonded to the mounting housing 20, while another portion of the aluminum foil 30 is not bonded to the mounting housing 20. The gap allows the first roller 1 to further compress the aluminum foil 30 in the later stages of application. Then, the second roller 4, which is the same length as the first roller 1, works again along the working path of the first roller 1, eliminating the gap between the aluminum foil 30 and the condenser tube 10 or the mounting housing 20, thus improving the application quality.

[0029] In another embodiment, the condenser bonding structure includes a second roller 4, with a second bonding groove 41 arranged circumferentially along the second roller 4. The second bonding groove 41 corresponds to the condenser tube 10 and accommodates at least a portion of the condenser tube 10. The length of the second body 12 along the axial direction of the first roller 1 is less than the axial length of the second roller 4. In the initial stage of bonding, after the first roller 1 operates, a portion of the aluminum foil 30 is bonded to the mounting shell 20, while another portion of the aluminum foil 30 is not bonded to the mounting shell 20. This gap allows the first roller 1 to further compress the aluminum foil 30 in the later stage of bonding. The second roller 4 then operates again along the operating path of the first roller 1, eliminating the gap between the aluminum foil 30 and the condenser tube 10 or the mounting shell 20, thus improving the bonding quality.

[0030] In this embodiment, the first roller 1 and the second roller 4 have through holes extending along their axial direction, and a rotating body 13 is disposed within the through holes. The rotating body 13 has a hollow structure. The rotating body 13 is made of steel and is interference-fitted with the laminating machine. The steel rotating body 13 provides a high-strength core for the first roller 1, significantly enhancing the overall rigidity and deformation resistance of the roller.

[0031] The condenser foil applicator includes an applicator robotic arm, a laser detection mechanism, a positioning mechanism, and the aforementioned first roller 1 and second roller 4. The applicator robotic arm controls the applicator length of the condenser foil through a programmed setting. The movement paths of the first roller 1 and second roller 4 correspond to the applicator length, and the axial applicator distance between the first roller 1 and second roller 4 corresponds to the applicator width. The laser detection mechanism detects the applicator length and width, and the positioning mechanism limits the movement of the first roller 1 and second roller 4.

[0032] like Figures 4 to 6 As shown, the working process of the technical solution of this application is as follows: Contact phase: such as Figure 4 As shown, the deformable part 122 of the first body 11 is pressed down as a whole along with the first roller 1, and contacts the aluminum foil 30 first, squeezing the aluminum foil 30 toward the condenser tube 10. After contacting the condenser tube 10, it enters the pressing stage. Downward pressure phase: such as Figure 5 As shown, the deformable part 122 is in contact with the condenser tube 10, the aluminum foil 30 is deformed in a V shape, and the two ends of the aluminum foil 30 are in contact with the mounting shell 20. As the first roller 1 continues to press down, it enters the pressing stage. Compressing stage: such as Figure 6 As shown, under the combined action of the second body 12 with lower hardness and the deformation part 122, the aluminum foil 30 is further compressed, completing the application.

[0033] It should be noted that in the contact stage and the pressing stage of the above working process, the position of the first roller 1 is the pressing position, and in the pressing stage of the above working process, the position of the first roller 1 is the pressing position.

[0034] As can be seen from the above description, the embodiments of this utility model achieve the following technical effects: By using a first body 11 and a second body 12 with different hardnesses, more precise control can be achieved during the aluminum foil 30 application process. The hard material of the first body 11 ensures the durability and stability of the rollers, while the flexible material of the second body 12 can adapt to the shape of the condenser tube 10, reducing the possibility of breakage and deformation of the aluminum foil 30 during the application process. At the same time, during the application process, the flexible material of the second body 12 can extend to both sides as the pressure increases, compressing the cavity between the aluminum foil 30 and the condenser tube 10, effectively reducing the volume of the application cavity, increasing the tightness between the aluminum foil 30 and the condenser tube 10, and enhancing the heat exchange effect.

[0035] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0036] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0037] In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0038] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0039] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0040] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A condenser coating structure, characterized in that, For attaching aluminum foil (30) to the surface of a condenser and a mounting housing (20) on which the condenser is mounted, the condenser attachment structure includes a first roller (1), the first roller (1) comprising: The first body (11) has a mounting groove (111) in its circumferential direction. The second body (12) is disposed in the mounting groove (111), and the hardness of the second body (12) is less than that of the first body (11). A first covering groove (2) is provided along the circumference of the second body (12), and the opening of the first covering groove (2) is located at the opening of the mounting groove (111). The first covering groove (2) is used to correspond to the condenser tube (10) of the condenser and to accommodate at least a portion of the condenser tube (10).

2. The condenser coating structure according to claim 1, characterized in that, The second body (12) includes an interconnected fitting part (121) and a deformable part (122) capable of deformation. The deformable part (122) is disposed at the opening of the first fitting groove (2), and the fitting part (121) is disposed at the outer edge of the deformable part (122). The fitting part (121) is used to fit with the mounting shell (20). The first roller (1) has a pressing position and a clamping position; when the first roller (1) is in the pressing position, the deformation part (122) protrudes from the fitting part (121); when the first roller (1) is in the clamping position, the deformation part (122) deforms to fit onto the mounting shell (20).

3. The condenser coating structure according to claim 2, characterized in that, When the first roller (1) is in the pressed position, the deformable part (122) and the condenser tube (10) are spaced apart to form a clearance space (3) for the deformable part (122) to deform; and / or, The deformable part (122) is an arc-shaped part.

4. The condenser coating structure according to claim 2, characterized in that, The second body (12) includes a transition connection portion (123) disposed between the deformable portion (122) and the fitting portion (121); Wherein, the transition connection portion (123) is inclined; and / or, The transition connection part (123) has an arc-shaped structure.

5. The condenser coating structure according to claim 2, characterized in that, The first bonding groove (2) includes a mating groove segment (124) for at least a portion of the condenser tube (10) to be mated. The mating groove segment (124) includes a first elliptical arc segment (1241), a circular arc segment (1242), and a second elliptical arc segment (1243) connected in sequence. The circular arc segment (1242) is located between the first elliptical arc segment (1241) and the second elliptical arc segment (1243).

6. The condenser coating structure according to claim 5, characterized in that, The first patch groove (2) also includes: The first arc-shaped transition segment (125) is located between the first elliptical arc segment (1241) and the deformed part (122); The second arc-shaped transition segment (126) is located between the second elliptical arc segment (1243) and the deformed part (122).

7. The condenser coating structure according to claim 1, characterized in that, The second body (12) is interference-fitted with the mounting groove (111).

8. The condenser coating structure according to claim 2, characterized in that, The first body (11) includes a first connecting part and a second connecting part (112) connected along the axial direction. The first connecting part is disposed at the periphery of the second body (12), and the second connecting part (112) is disposed on the side of the first connecting part away from the second body (12). Wherein, the first connecting portion is fitted into the second body (12); and / or, The second connecting portion (112) is inclined from the middle of the first body (11) to the end of the first body (11) so that when the second connecting portion (112) is fitted with the mounting shell (20), a gap is formed between the second connecting portion (112) and the mounting shell (20).

9. The condenser coating structure according to claim 1, characterized in that, The condenser coating structure includes a second roller (4) and a second coating groove (41) is provided along the circumference of the second roller (4). The second coating groove (41) is used to correspond to the condenser tube (10) and to accommodate at least a portion of the condenser tube (10). The length of the second body (12) along the axial direction of the first roller (1) is less than the axial length of the second roller (4).

10. The condenser coating structure according to claim 9, characterized in that, The first roller (1) and the second roller (4) have through holes extending along their axial direction, and a rotating body (13) is disposed in the through holes.

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