Pipe pressing device and pipeline attaching equipment

Abstract

The utility model discloses a pipe pressing device, which is used for attaching a pipeline to the outer surface of an inner container of refrigeration equipment, and comprises a roller component, a pressing component, a first pressing component and a second pressing component, the connecting assembly comprises a main connecting piece, a moving rod and an elastic piece, a first connecting part is arranged on the main connecting piece, the moving rod is provided with a floating part movably arranged on the first connecting part and a roller connecting part located on the outer side of the first connecting part, and the first roller is fixed to the roller connecting part; the elastic piece is arranged on the first connecting part, matched with the floating part and used for limiting movement of the moving rod in the direction perpendicular to the extending direction of the pipeline. According to the utility model, through the cooperation of the elastic piece and the moving rod, the pipeline attachment pressure adjustment is realized so as to eliminate the tightening marks at the corners of the inner container.

Description

Technical Field

[0001] This utility model relates to the field of refrigeration equipment manufacturing technology, and in particular to a pipe pressing device and pipe attaching equipment. Background Technology

[0002] To achieve uniform cooling and improve cooling efficiency, current refrigeration equipment typically uses automatic attachment equipment to wrap and attach the evaporator pipes to the outer surface of the inner liner of the refrigeration equipment. However, when the pipes are wrapped around the corners of the inner liner, raised marks can easily appear, which can affect the appearance and result in defective products.

[0003] When the equipment fails to meet production quality requirements, employees need to re-inspect and adjust the equipment. However, equipment adjustment is difficult and time-consuming, and personnel are prone to mechanical injuries, posing safety hazards. At the same time, the marks on the corners of the liner can only be reduced through adjustment, not completely eliminated. Moreover, if the pressure of the pipes during equipment adjustment is too light, the pipes may bulge and deviate from the inner liner, affecting the cooling effect.

[0004] To avoid severe dents and defective products, existing technology adds cardboard or plastic corner protectors to the corners of the inner liner. However, adding corner protectors prevents the pipes from directly contacting the inner liner, affecting the cooling effect at the corners and increasing material and processing costs. Utility Model Content

[0005] The purpose of this utility model is to provide a pipe pressing device and a pipe attaching equipment to avoid pipe marks at the corners of the inner liner of the refrigeration equipment during pipe wrapping.

[0006] To achieve the above objectives, this utility model provides a pipe clamping device for attaching pipes to the outer surface of the inner liner of a refrigeration equipment, comprising:

[0007] A roller assembly, including a first roller for rotating and engaging to compress the tubing;

[0008] The connecting assembly includes a main connector, a moving rod, and an elastic element. The main connector has a first connecting portion. The moving rod has a floating portion movably disposed on the first connecting portion and a roller connecting portion located outside the first connecting portion. The first roller is fixed to the roller connecting portion. The elastic element is disposed on the first connecting portion and cooperates with the floating portion to limit the movement of the moving rod in the direction of vertical pipeline extension.

[0009] In one embodiment of this utility model, a receiving groove is provided on the first connecting part, and the floating part and the elastic member are both located in the receiving groove, so that the floating part can move along the direction perpendicular to the extension of the pipeline.

[0010] In one embodiment of this utility model, the receiving groove includes a through hole that extends through the first roller axis and a side hole that is perpendicularly connected to the through hole. The elastic element is fixed in the side hole, and the floating part can move within the through hole and always abut against the moving rod.

[0011] In one embodiment of the present invention, the connecting assembly further includes a fixing member for fixing the elastic element, the fixing member being movably connected in the side hole and the depth of its insertion into the side hole being adjustable.

[0012] In one embodiment of the present invention, the connecting assembly further includes a stabilizing pad disposed on the outside of the floating part, the stabilizing pad being attached to the top of the first connecting part.

[0013] In one embodiment of the present invention, the connecting assembly further includes fixing blocks fixedly disposed on both sides of the first connecting portion. The fixing blocks have opposing extending portions, and a gap is formed between the extending portions and the first connecting portion for the stabilizing pad to move horizontally.

[0014] As one embodiment of the present invention, it also includes a drive arm for driving the roller assembly to rotate forward along the pipeline extension direction, and the drive arm is connected to the main connector.

[0015] In one embodiment of this utility model, the main connecting member is further provided with a second connecting part in the middle, and the roller assembly further includes a second roller spaced apart from the first roller. The second roller is connected to the second connecting part of the main connecting member through a connecting rod.

[0016] In one embodiment of this utility model, the portion of the main connector located between the first connecting portion and the second connecting portion is bent.

[0017] In one embodiment of this utility model, the first roller and the second roller are respectively provided with a first groove and a second groove for pressing the pipeline on their peripheral walls.

[0018] To achieve the above objectives, this utility model provides a pipe attachment device having any of the pipe pressing devices described above.

[0019] The beneficial effects of this utility model are: by setting the elastic element on the first connecting part and cooperating with the floating part, the moving rod is allowed to make a certain degree of adaptive adjustment according to the shape of the inner liner corners, and the horizontal displacement decomposes the pipe adhesion pressure, eliminates the marks at the corners of the inner liner, and increases the product's aesthetics. Attached Figure Description

[0020] Figure 1This is a schematic diagram of attaching a pipe to the outer surface of the inner liner of a refrigeration equipment using a pipe pressing device according to an embodiment of this utility model;

[0021] Figure 2 yes Figure 1 Schematic diagram of the medium-pressure pipe device;

[0022] Figure 3 yes Figure 2 Enlarged view of the medium-pressure pipe assembly at the first roller;

[0023] Figure 4 yes Figure 2 Exploded view of the medium-pressure pipe assembly;

[0024] Figure 5 yes Figure 2 Schematic diagram of the main connecting component;

[0025] Figure 6 This is a top view of the crimping device;

[0026] Figure 7 yes Figure 6 Enlarged view of the medium-pressure pipe assembly at the first roller;

[0027] Figure 8 yes Figure 2 A schematic diagram showing the connection between the moving rod of the medium-pressure pipe device and the first roller and stabilizing pad; Detailed Implementation

[0028] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. Please refer to them. Figures 1 to 8 The figure shown is one embodiment of this utility model.

[0029] It should be understood that, unless otherwise expressly specified and limited, in this application, the terms “up,” “down,” “front,” “back,” “left,” “right,” etc., indicate the orientation or positional relationship based on the user’s facing side of the door of the household appliance being in front, and are used only for ease of description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed or operated in a specific orientation.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means two or more, and at least two.

[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "set", "connect", "connect", "fixed" and other such terms should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part.

[0032] like Figure 1 As shown, this utility model provides a pipe pressing device 10 for attaching pipe 20 to the outer surface of the inner liner 30 of a refrigeration equipment. The pipe pressing device 10 includes a roller assembly 1 and a connecting assembly 2.

[0033] The roller assembly 1 includes a first roller 11 for rotating and pressing the pipe 20. During rotation, the first roller 11 contacts and presses the pipe 20, attaching the pipe 20 to the outer surface of the inner liner 30 of the refrigeration equipment.

[0034] Reference Figures 2 to 4 The connecting component 2 includes a main connecting member 21, a moving rod 22, and an elastic member 23. The main connecting member 21 is provided with a first connecting part 211. The moving rod 22 has a floating part 221 movably disposed on the first connecting part 211 and a roller connecting part 222 located outside the first connecting part 211. The first roller 11 is fixed to the roller connecting part 222.

[0035] When the first roller 11 rotates and cooperates to squeeze the pipe 20, it will be subjected to the reaction force of the pipe 20, driving the moving rod 22 to move in a direction perpendicular to the extension of the pipe 20, so that the floating part 221 moves in the first connecting part 211.

[0036] The elastic element 23 is disposed on the first connecting part 211 and cooperates with the floating part 221 to limit the movement of the moving rod 22 in the direction of extension of the vertical pipe 20.

[0037] When the pressing device 10 operates in the planar part of the inner liner 30, the elastic element 23, in cooperation with the floating part 221, restricts the movement of the moving rod 22 in the direction of vertical extension of the pipe 20, ensuring that the first roller 11 can fit tightly against the surface of the pipe 20, thereby achieving stable compression of the pipe 20 by the first roller 11.

[0038] When the pressing device 10 needs to work across the corner of the inner liner 30, the interaction force between the first roller 11 and the pipe 20 will change due to the outward protrusion of the corner. This will apply a pushing force perpendicular to the extension direction of the pipe 20 to the moving rod 22, causing the moving rod 22 to move horizontally and squeeze the elastic member 23 that cooperates with the floating part 221.

[0039] Through the elastic force of the elastic element 23, the moving rod 22 can float within a certain range when subjected to the action of the pipe 20. This helps to decompose the adhesion pressure of the pipe 20 through the horizontal displacement of the moving rod 22, so as to adjust the pressure on the inner liner 30 and prevent marks from being produced at the corners of the inner liner 30 due to excessive pressure.

[0040] Traditional devices often lack adaptability, resulting in insufficient pressure, loose adhesion of the pipe 20, or excessive pressure, causing marks at corners. However, this invention, through the cooperation of the floating part 221 and the elastic element 23, allows the moving rod 22 to adaptively adjust to the shape of the inner liner 30's corners, effectively preventing marks, increasing product aesthetics, reducing scrap rates, and bringing economic benefits. Simultaneously, the elasticity of the elastic element 23 ensures stability and cushioning during this adjustment process. Thus, even with complex inner liner 30 corner shapes, the first roller 11 maintains a tight fit with the pipe 20, achieving a stable compression effect and ensuring the pipe 20 is firmly attached to the outer surface of the refrigeration equipment's inner liner 30.

[0041] The proposed solution can effectively replace the traditional process of setting corner guards at the corners in the prior art, allowing the pipe 20 to directly contact the liner for heat exchange, thereby improving refrigeration efficiency, enhancing the product's refrigeration performance, and saving energy, protecting the environment, and conserving resources.

[0042] The elastic element 23 can be a spring, a sheet, or other elastic material. This utility model does not impose any restrictions as long as the above-mentioned effects can be achieved.

[0043] Specifically, such as Figure 5 As shown, in this embodiment, the main connector 21 extends longitudinally and is roughly in the same direction as the extension of the pipeline 20 during operation. The first connecting part 211 is provided on the main connector 21 and is thickened to enhance the stability of the structure and improve the load-bearing capacity of the connection with the moving rod 22 and the elastic member 23.

[0044] The main connector 21, as the core component of the entire crimping device 10, connects and supports the moving rod 22 and the elastic element 23, ensuring that they can work together. This enhances the stability and durability of the structure, ensures a tight fit between the components, and improves the working efficiency and reliability of the entire crimping device 10.

[0045] The first connecting part 211 has a receiving groove 212, and the floating part 221 and the elastic member 23 are both located in the receiving groove 212 to provide horizontal guidance for the moving rod 22, so that the floating part 221 can move along the direction perpendicular to the extension of the pipe 20.

[0046] The receiving groove 212 provides space for the floating part 221 and the elastic element 23 and restricts their range of movement, ensuring that the floating part 221 can only move in one direction within the groove. When the pipe 20 is attached to the outer surface of the inner liner 30 of the refrigeration equipment, the floating part 221 can adaptively adjust its position to achieve a stable squeezing effect of the first roller 11.

[0047] Optionally, the receiving groove 212 includes a through hole 2121 that extends through the first roller 11 along its axial direction and a side hole 2122 that is perpendicularly connected to the through hole 2121. The elastic member 23 is fixed in the side hole 2122, and the floating part 221 is able to move within the through hole 2121 and always abuts against the moving rod 22.

[0048] The elastic element 23 can be stably fixed in the side hole 2122, maintaining close contact with the moving rod 22, providing the necessary elasticity and reset function to the floating part 221, ensuring that the floating part 221 can respond to changes on the inner liner 30 of the pipe 20 and make adjustments, making the pipe 20 attachment process more efficient and precise.

[0049] The width of the through hole 2121 along the extension direction of the pipe 20 is the same as the width of the floating part 221, and its length in the direction perpendicular to the extension direction of the pipe 20 is greater than the length of the floating part 221, so as to restrict the moving rod 22 to move only in the direction perpendicular to the extension direction of the pipe 20, avoiding unnecessary swinging of the moving rod 22 in other directions, thereby ensuring the smoothness and efficiency of the entire attachment process.

[0050] In this embodiment, the through hole 2121 is elongated elliptical in shape. Of course, in some other embodiments, the through hole 2121 can also be set to other shapes such as rectangle.

[0051] The connecting assembly 2 also includes a fixing member 24 for fixing the elastic member 23. The fixing member 24 is movably connected to the side hole 2122 and its depth of insertion into the side hole 2122 can be adjusted.

[0052] By adjusting the depth of the fastener 24 extending into the side hole 2122, the preload of the elastic element 23 can be further fine-tuned, thereby precisely controlling the response speed and force of the floating part 221 to changes in the inner liner 30 of the pipe 20, improving the flexibility and adaptability of the attachment process, and enabling the pipe pressing device 10 to be adjusted according to pipes 20 of different specifications or materials, thus having stronger compatibility.

[0053] The movable connection method of the fixing member 24 can be threaded connection, snap-fit ​​connection, etc., which ensures that it is easy to adjust and can stably fix the elastic member 23 during use.

[0054] To increase the stability of the connection, a limiting structure can be provided between the first connecting part 211 and the floating part 221 to prevent the moving rod 22 from accidentally detaching from the first connecting part 211 during movement.

[0055] Reference Figure 6 and Figure 7 In this embodiment, the connecting component 2 further includes a stabilizing pad 25 disposed on the outside of the floating part 221. The stabilizing pad 25 is attached to the top of the first connecting part 211 and can provide stable support for the floating part 221, thereby enhancing the stability of the entire pressing device 10 in the bonding operation. The supporting pad can at least partially cover the through hole 2121 to prevent moisture, dust and other impurities from entering and affecting the normal operation of the equipment.

[0056] In addition, the connecting component 2 also includes fixing blocks 26 fixedly disposed on both sides of the first connecting portion 211. The fixing blocks 26 have opposing extending portions 261. A gap is formed between the extending portions 261 and the first connecting portion 211 to allow the stabilizing pad 25 to move horizontally and to restrict its upward movement in the vertical direction.

[0057] This ensures that when the first roller 11 is adjusted horizontally according to different positions or angles of the conduit 20, the fixing block 26 and its extension 261 can effectively guide the stable pad 25 to move smoothly in the horizontal direction. At the same time, due to the gap, the stable pad 25 will not be unnecessarily obstructed during horizontal movement. The extension 261 restricts the stable pad 25 in the vertical direction, preventing the stable pad 25 from shifting up and down during the adjustment of the first roller 11, thereby preventing the first roller 11 from detaching from the conduit 20 and further improving the reliability of the crimping device 10 during the application process.

[0058] The pipe pressing device 10 also includes a drive arm 3, which is connected to the main connector 21 and is used to drive the roller assembly 1 to rotate forward along the extension direction of the pipe 20.

[0059] In one embodiment of the present invention, the main connector 21 is further provided with a second connecting portion 213, and the roller assembly 1 further includes a second roller 12 spaced apart from the first roller 11. The second roller 12 is connected to the second connecting portion 213 of the main connector 21 via a connecting rod 27.

[0060] The first roller 11 and the second roller 12 are respectively provided with a first groove 111 and a second groove 121 for pressing the pipe 20. The shapes of the first groove 111 and the second groove 121 match the cross-sectional shape of the pipe 20, so that during the rolling of the roller assembly 1, the first roller 11 and the second roller 12 can effectively press the pipe 20 through the first groove 111 and the second groove 121 respectively, thereby ensuring that the pipe 20 can be tightly attached to the outer surface of the inner liner 30 of the refrigeration equipment.

[0061] In this embodiment, the first roller 11 and the second roller 12 are arranged alternately along the extension direction of the pipe 20. When the pipe pressing device 10 attaches the pipe 20, the pipe 20 first passes through the second groove 121 of the second roller 12, so that the pipe 20 is pre-attached to the outer surface of the inner liner 30. Then the pipe 20 passes through the first roller 11. The cross-sectional area of ​​the second groove 121 can be set to be smaller than the cross-sectional area of ​​the first groove 111, so that the contact between the first roller 11 and the pipe 20 is tighter, and the pipe 20 is kept fixed and completely attached to the outer surface of the inner liner 30. At the same time, the cooperation of the first roller 11 and the second roller 12 makes the pipe 20 evenly stressed during the attachment process, avoiding deformation or damage to the pipe 20.

[0062] The portion of the main connector 21 located between the first connecting portion 211 and the second connecting portion 213 is bent, which allows the main connector 21 to better adapt to the outer surface shape of the inner liner 30 of the refrigeration equipment, ensuring that the roller assembly 1 can be installed smoothly and firmly on the outer surface of the inner liner 30 of the refrigeration equipment. When the first roller 11 and the second roller 12 roll the pipe 20 before and after the corner, they will not interfere with each other.

[0063] This utility model also provides a pipe 20 attaching device, which has a pipe pressing device 10 according to any of the above-mentioned features, and the pipe pressing device 10 can be integrated with existing fully automatic attaching equipment.

[0064] In summary, this utility model, by having the elastic element disposed on the first connecting part and cooperating with the floating part, allows the moving rod to make a certain degree of adaptive adjustment according to the shape of the inner liner corners. By using horizontal displacement to decompose the pressure on the inner liner when the pipeline is attached, the pressure marks at the corners of the inner liner are eliminated, thereby improving the overall aesthetics of the product.

[0065] In the embodiments provided by this utility model, it should be understood that the above-described implementation of the structure is merely illustrative. For example, the division of the modules is merely a logical functional division. In actual implementation, there may be other division methods. For example, multiple modules or components may be combined or integrated into another device, or some features may be ignored or not executed.

[0066] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A pipe clamping device for attaching pipes to the outer surface of the inner liner of a refrigeration unit, characterized in that, The utility model relates to a pipe extruding device, which comprises a roller assembly (1) and a connecting assembly (2). The first connecting part (211) is provided with a containing groove (212), and the floating part (221) and the elastic member (23) are located in the containing groove (212), so that the floating part (221) can move along a direction perpendicular to the extension direction of the pipe. The containing groove (212) comprises a through hole (2121) provided through in the axial direction of the first roller (11) and a side hole (2122) vertically connected to the through hole (2121), the elastic member (23) is fixed in the side hole (2122), and the floating part (221) can move in the through hole (2121) and always abuts against the movement rod (22).

2. The device of claim 1, wherein, The connecting assembly (2) further comprises a fixing member (24) for fixing the elastic member (23), the fixing member (24) is movably connected in the side hole (2122) and can adjust the depth of the fixing member (24) extending into the side hole (2122).

3. The device of claim 2, wherein, The connecting assembly (2) further comprises a stabilizing pad (25) provided outside the floating part (221), and the stabilizing pad (25) is hung on the top of the first connecting part (211).

4. The device of claim 3, wherein, The connecting assembly (2) further comprises a fixing block (26) fixed on both sides of the first connecting part (211), the fixing block (26) has an extension part (261) extending in opposition, and a gap is formed between the extension part (261) and the first connecting part (211) for horizontal movement of the stabilizing pad (25).

5. A device as claimed in any one of claims 1 to 4, wherein the device is configured to be used with a tube having a diameter of 20mm or less. The utility model further comprises a driving arm (3) connected with the main connecting member (21) for driving the roller assembly (1) to rotate and advance along the extension direction of the pipe.

6. The device of claim 5, wherein, The main connecting member is further provided with a second connecting part (213), the roller assembly (1) further comprises a second roller (12) spaced apart from the first roller (11), and the second roller (12) is connected with the second connecting part (213) of the main connecting member (21) through a connecting rod (27).

7. The device of claim 1, wherein, The part of the main connecting member (21) between the first connecting part (211) and the second connecting part (213) is in a bent shape.

8. The device of claim 1, wherein, The peripheral wall of the first roller (11) and the second roller (12) is respectively provided with a first groove (111) and a second groove (121) for extruding the pipe.

9. The device of claim 8, wherein, ​ 10. The device of claim 8, wherein, ​ 11. A pipe attaching apparatus characterized by comprising: Pipe pressing device according to any one of claims 1-10.

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