Manufacturing auxiliary device for aluminum coiled tube type heat exchanger

Abstract

The utility model discloses a manufacturing auxiliary device for an aluminum coiled tube type heat exchanger, and belongs to the technical field of heat exchanger manufacturing tools. The device provided by the utility model comprises a manufacturing platform, an automatic pipe feeder, two turntables, a central cylinder and a track. Each rotating disc is fixedly installed on the manufacturing platform through a roller frame, the center cylinder is horizontally installed between the two rotating discs, the two ends of the center cylinder are fixedly connected with the rotating discs through clamps respectively, and the central axis of the center cylinder and the central points of the rotating discs are located at the same horizontal height. The automatic pipe feeding machine is arranged on one side of the manufacturing platform and is in sliding connection with the track. And an automatic lifting machine is arranged on the automatic pipe feeding machine. An operator flexibly adjusts the conveying speed of the aluminum pipes through the automatic lifting machine and the automatic pipe conveying machine, it is ensured that the aluminum pipes are tightly attached to the center cylinder or the aluminum pipes on the upper layer, and therefore the pipe winding flatness and the gap precision are improved. And meanwhile, the automatic pipe feeding machine can move left and right along with an operator, so that the convenience and efficiency of pipe winding work are further improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of heat exchanger manufacturing tooling, specifically relating to an auxiliary device for manufacturing an aluminum wound tube heat exchanger. Background Technology

[0002] In the field of heat exchangers for cryogenic industries, aluminum wound tube heat exchangers have significant advantages over other types of heat exchangers. They offer a wide applicable temperature range, are resistant to thermal shock, possess excellent self-stress relief, and have a compact structure. Due to their unique construction, the flow field in aluminum wound tube heat exchangers can be fully developed, eliminating flow dead zones. However, these advantages also significantly increase the difficulty of manufacturing them. Aluminum wound tube heat exchangers place extremely high demands on the flatness, compactness, centering, and adhesion between the winding layers in the manufacturing process. Manufacturing a qualified wound tube heat exchanger requires at least one worker with relevant manufacturing experience, and the various manufacturing processes in the workshop must also be at a high level. This results in a limited number of companies in the market capable of producing qualified wound tube heat exchangers.

[0003] In the production process of aluminum wound tube heat exchangers, ensuring that the aluminum tubes are wound smoothly, tightly, and uniformly on the central cylinder is a crucial problem that must be overcome to produce a qualified aluminum wound tube heat exchanger, and it is also the main challenge in manufacturing aluminum wound tube heat exchangers. Therefore, there is an urgent need to develop an auxiliary device that can simplify the manufacturing of aluminum wound tube heat exchangers, thereby reducing the manufacturing cost, manufacturing difficulty, and labor costs. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of the existing technology and provide an auxiliary device for manufacturing aluminum coiled heat exchangers.

[0005] The specific technical solution adopted in this utility model is as follows:

[0006] This utility model provides an auxiliary device for manufacturing an aluminum wound tube heat exchanger, including a manufacturing platform, an automatic tube feeder, two turntables, a central cylinder, and a track;

[0007] Each of the turntables is fixedly mounted on the manufacturing platform by a roller frame. The central cylinder is horizontally mounted between the two turntables. The two ends of the central cylinder are fixedly connected to the turntables by clamps. The central axis of the central cylinder is at the same horizontal height as the center point of the turntable. The turntables are driven to rotate by a turntable drive mechanism.

[0008] The automatic tube feeder is located on one side of the manufacturing platform. The automatic tube feeder is equipped with rollers for placing the aluminum tubes to be wound, and the aluminum tubes to be wound are transported through the automatic tube feeder.

[0009] The automatic pipe feeder is provided with two tracks below it, which are arranged parallel to each other along the length of the central cylinder. The bottom of the automatic pipe feeder is provided with a slide rail that matches the tracks, and the automatic pipe feeder and the tracks are slidably connected.

[0010] Preferably, each clamp has several grooves extending outward from the center, and each groove has a clamping block that forms a sliding connection in the groove; each clamp also has an adjustment hole for adjusting the position of the clamping block in the groove, and the clamping or releasing of the central cylinder is adjusted by rotating the adjustment hole.

[0011] Furthermore, each fixture is equipped with three sets of sliding grooves and corresponding clamping blocks.

[0012] Furthermore, each clamping block is provided with a locking hole in the middle, and the two ends of the central cylinder are provided with fixing holes that match the locking hole. The central cylinder is fixedly connected to the clamp by means of a fastener passing through the locking hole and the fixing hole.

[0013] Furthermore, the fastener is a stud assembly.

[0014] Preferably, the automatic pipe feeder is equipped with an automatic lift.

[0015] Preferably, the turntable drive mechanism includes at least one motor connected to the turntable and used to control its rotation.

[0016] Preferably, an automatic feeder is provided on one side of the automatic pipe feeder.

[0017] Preferably, the manufacturing platform is placed on the ground.

[0018] Furthermore, the area surrounding the manufacturing platform and the automatic pipe feeder is equipped with guardrails.

[0019] Compared with the prior art, this utility model has the following advantages:

[0020] The auxiliary device for manufacturing aluminum wound tube heat exchangers provided by this utility model can flexibly adjust the aluminum tube feeding speed according to the operator's needs by equipping it with an automatic lifting platform and an automatic tube feeder. This ensures that the aluminum tubes are tightly fitted to the central cylinder or the upper layer of aluminum tubes, thereby improving the flatness and gap accuracy of the winding and guaranteeing heat exchange efficiency. Meanwhile, the automatic tube feeder is flexibly designed and can move left and right with the operator, further improving the convenience and efficiency of the winding work. The clamp design ensures precise alignment of the central cylinder and the turntable axis, avoiding eccentricity. This allows the device to be applied to wound tube heat exchangers of different specifications, ensuring the stability of the winding process. The overall device adopts an integrated design, with a compact structure and high functional integration. This not only ensures product quality but also significantly accelerates the manufacturing rate, reduces labor requirements, and achieves a substantial increase in production efficiency, thereby strengthening the company's competitiveness in related fields. Attached Figure Description

[0021] Figure 1 A top view schematic diagram of the auxiliary device for manufacturing the aluminum wound tube heat exchanger provided in this embodiment;

[0022] Figure 2 A side view of the auxiliary device for manufacturing the aluminum wound tube heat exchanger provided in this embodiment;

[0023] Figure 3 This is a schematic diagram of the central cylinder and the turntable.

[0024] Figure 4 This is a schematic diagram of the fixture;

[0025] In the diagram: 1. Manufacturing platform; 2. Automatic pipe feeder; 3. Turntable; 4. Central cylinder; 5. Fixture; 51. Clamping block; 52. Adjustment hole; 6. Track; 7. Aluminum tube. Detailed Implementation

[0026] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below. Technical features in various embodiments of this utility model can be combined appropriately without conflict.

[0027] In the description of the specific embodiments of this utility model, it should be noted that, unless otherwise specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly, and can refer to mechanical or electrical connections, or internal communication between two components, or direct connection. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may change. Furthermore, the accompanying drawings of the embodiments disclosed in this utility model only involve structures mentioned in the embodiments of this disclosure; other structures can refer to common designs. Where there is no conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0028] like Figure 1 and Figure 2 As shown, in a preferred embodiment of this utility model, this embodiment provides an auxiliary device for manufacturing an aluminum wound tube heat exchanger, including a manufacturing platform 1, an automatic tube feeder 2, two turntables 3, a central cylinder 4, a clamp 5, and a track 6. The manufacturing platform 1 is placed on the ground, and the automatic tube feeder 2 is located on one side of the manufacturing platform 1. Since each layer of the wound tube heat exchanger generally has more than six tubes, each tube needs to be wound evenly from left to right, and each tube must be complete without interruption. Therefore, the raw material is several meters long coiled aluminum tubes 7, and the weight of the entire coil of aluminum tubes 7 is inconvenient to handle. Therefore, an automatic feeding machine is provided on one side of the automatic tube feeder 2 to transport the aluminum tubes 7 to be wound onto the automatic tube feeder 2. The automatic tube feeder 2 is also equipped with an automatic lifting machine to facilitate the loading of aluminum tubes 7. The automatic tube feeder 2 is equipped with rollers for placing the aluminum tubes 7 to be wound, and the aluminum tubes 7 to be wound are transported by the automatic tube feeder 2. The customized automatic tube feeder 2 has rollers adapted to coiled aluminum tubes 7, and can move up and down and left and right at the same time, making it suitable for the winding process of different specifications of wound tube heat exchangers.

[0029] In the device provided by this utility model, two turntables 3 are fixedly mounted on the manufacturing platform 1 via roller frames. A central cylinder 4 is horizontally mounted between the two turntables 3, with both ends of the central cylinder 4 fixedly connected to the turntables 3. An aluminum tube 7 is wound around the central cylinder 4 to form a coil. The central cylinder 4 plus the coil constitutes the prototype of a wound-tube heat exchanger. Therefore, the central axis of the central cylinder 4 is at the same horizontal height as the center point of the turntable 3, ensuring that the rotation of the central cylinder 4 during the winding process always revolves around a central line without any eccentricity. In a preferred embodiment of this utility model, the turntables 3 are driven to rotate by a turntable drive mechanism. The turntable drive mechanism includes at least one motor, which is connected to the turntables 3 and used to control the rotation of the turntables 3, thereby driving the central cylinder 4 to rotate. During the winding process of aluminum tube 7, the operator can adjust the speed of conveying aluminum tube 7 to match the speed of rotation of the central cylinder 4, so that aluminum tube 7 is closely attached to the central cylinder 4 or the previous layer of wound aluminum tube 7, ensuring that the flatness of each layer of aluminum tube 7 and the gap between two adjacent layers of aluminum tube 7 meet the requirements, thereby ensuring that the heat exchange efficiency of the heat exchanger meets the requirements.

[0030] In the device provided in this embodiment, the automatic pipe feeder 2 is designed with full consideration for operational flexibility and convenience; it is not a static device fixedly installed on the manufacturing platform 1. Two tracks 6 are provided below the automatic pipe feeder 2, arranged parallel and spaced apart along the length of the central cylinder 4. A sliding rail matching the tracks 6 is provided at the bottom of the automatic pipe feeder 2, forming a sliding connection between the automatic pipe feeder 2 and the tracks 6. The automatic pipe feeder 2 can move left and right according to the operator's position and needs. This design greatly improves the adaptability and working efficiency of the equipment, making pipe winding work more convenient and efficient.

[0031] Since the central cylinder 4 and the aluminum tube 7 to be wound are different for aluminum wound heat exchangers used in different projects, and in order to further clamp and fix the central cylinder 4, such as Figure 3 and Figure 4 As shown, in the device provided by this utility model, clamps 5 are fixedly mounted on the two turntables 3. The clamps 5 clamp the central cylinder 4, ensuring that the center of the turntable 3 and the axis of the central cylinder 4 are on the same horizontal line, thus guaranteeing the centering of rotation. The clamps 5 ensure stability during rotation, thereby ensuring the accuracy and quality of the aluminum tube 7 winding operation.

[0032] In this embodiment, each clamp 5 has three grooves extending outward from the center, and each groove contains a clamping block 51, which are slidably connected within the groove. Each clamp 5 also has an adjustment hole 52 for adjusting the position of the clamping block 51 within the groove. By rotating the adjustment hole 52, the three clamping blocks 51 are adjusted to converge towards the center point of the surface where they are located or to disperse outward, thus clamping or releasing the central cylinder 4. This clamp 5 allows the device provided by this invention to be applicable to the manufacture of wound-tube heat exchangers of different specifications. A locking hole is also provided in the middle of each clamping block 51, and fixing holes matching the locking holes are provided at both ends of the central cylinder 4.

[0033] During installation, align the fixing holes at both ends of the central cylinder 4 with the locking holes on the clamping blocks 51. Use a fastener that passes through the locking holes on the clamping blocks 51 and the fixing holes at both ends of the central cylinder 4. Then, by rotating the adjustment hole, bring the three clamping blocks 51 together towards the center point, further securing the central cylinder 4 to the clamp 5. This makes the installation of the central cylinder 4 more stable and prevents vibration during clamping from affecting the winding accuracy of the aluminum tube 7. In this embodiment, the fastener uses a bolt assembly. Each bolt assembly includes one bolt and two nuts. The bolt passes through the locking holes on the clamping blocks 51 and the fixing holes at both ends of the central cylinder 4. Tighten the nuts at both ends to firmly fix the central cylinder 4 to the clamp 5. The dimensions of the studs and nuts can be adjusted according to the dimensions of the central cylinder 4.

[0034] In the device provided in this embodiment, the aluminum tube 7 to be wound is transported to the automatic tube feeder 2 by an automatic feeder. The automatic tube feeder 2, in conjunction with an automatic lifting platform, allows the operator to easily complete the feeding of the aluminum tube 7. Before starting the winding, the center cylinder 4 is clamped by the clamps 5 on the turntable 3, and it is checked whether the central axis of the center cylinder 4 and the turntable 3 are on the same horizontal line. If they are not on the same horizontal line, the position of the center cylinder 4 needs to be finely adjusted. The centering is checked again before starting the turntable drive mechanism. The operator manually pulls the aluminum tube 7 from the automatic tube feeder 2 onto the center cylinder 4. The turntable drive mechanism drives the turntable 3 to rotate, thereby driving the center cylinder 4 to rotate. When winding the aluminum tube 7 on the center cylinder 4, the feeding speed of the aluminum tube 7 by the automatic tube feeder 2 and the appropriate rotation speed of the center cylinder 4 are adjusted to match the feeding speed and the winding speed. At the same time, the operator moves the automatic tube feeder 2 via the track 6 to meet the different winding methods of the aluminum tube 7 required by different heat exchangers. This not only improves the efficiency of tube winding but also ensures the product quality of the wound tube heat exchanger, while reducing the requirements for operator skill levels. In this embodiment, to ensure operator safety, guardrails are installed around the operating area where the manufacturing platform 1 and the automatic tube feeder 2 are located. These guardrails prevent workers from falling from the work platform, thus ensuring the safety of the operation process.

[0035] The embodiments described above are merely preferred solutions of this utility model, and are not intended to limit the scope of this utility model. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of this utility model. Therefore, all technical solutions obtained by equivalent substitution or equivalent transformation fall within the protection scope of this utility model.

Claims

1. An auxiliary device for manufacturing an aluminum wound-tube heat exchanger, characterized in that, The manufacturing platform (1), the automatic pipe feeder (2), two rotating discs (3), a central cylinder (4) and two rails (6) are included. Each rotating disc (3) is fixedly installed on the manufacturing platform (1) through a roller frame, the central cylinder (4) is horizontally installed between the two rotating discs (3), the two ends of the central cylinder (4) are fixedly connected with the rotating discs (3) through clamps (5), the central axis of the central cylinder (4) is at the same horizontal level as the center points of the rotating discs (3), and the rotating discs (3) are driven to rotate through a rotating disc driving mechanism. The automatic pipe feeder (2) is arranged on one side of the manufacturing platform (1), a roller shaft for placing an aluminum pipe (7) to be wound is arranged on the automatic pipe feeder (2), and the aluminum pipe (7) to be wound is conveyed through the automatic pipe feeder (2). Two rails (6) are arranged below the automatic pipe feeder (2), the two rails (6) are arranged in parallel and at intervals along the length direction of the central cylinder (4), a sliding rail matched with the rails (6) is arranged at the bottom of the automatic pipe feeder (2), and the automatic pipe feeder (2) and the rails (6) are slidably connected.

2. The manufacturing aid for a pipe-wound aluminum heat exchanger according to claim 1, characterized by A plurality of sliding grooves extending outward from the center are arranged on each clamp (5), a clamping block (51) is arranged in each sliding groove, and the clamping block (51) is slidably connected in the sliding groove; an adjusting hole (52) for adjusting the position of the clamping block (51) in the sliding groove is arranged on each clamp (5), and the three clamping blocks (51) are adjusted to clamp or release the central cylinder (4) by rotating the adjusting hole (52).

3. The manufacturing aid for an aluminum spiral-wound heat exchanger according to claim 2, characterized in that Three groups of sliding grooves and corresponding clamping blocks (51) are arranged on each clamp (5).

4. The manufacturing aid for an aluminum spiral-wound heat exchanger according to claim 2, characterized in that A locking hole is arranged in the middle of each clamping block (51), and a fixing hole matched with the locking hole is arranged at the two ends of the central cylinder (4), so that the central cylinder (4) and the clamp (5) are fixedly connected by penetrating the locking hole and the fixing hole with a fixing member.

5. The manufacturing aid for an aluminum spiral-wound heat exchanger according to claim 4, characterized in that The fixing member is a stud assembly.

6. The manufacturing aid for a pipe wound aluminum heat exchanger according to claim 1, wherein An automatic elevator is arranged on the automatic pipe feeder (2).

7. The manufacturing aid for a pipe wound aluminum heat exchanger according to claim 1, wherein The rotating disc driving mechanism includes at least one motor connected with the rotating disc (3) and used for controlling the rotation of the rotating disc (3).

8. The manufacturing aid for a pipe wound aluminum heat exchanger according to claim 1, wherein An automatic feeding machine is arranged on one side of the automatic pipe feeder (2).

9. The manufacturing aid for a pipe wound aluminum heat exchanger according to claim 1, wherein The manufacturing platform (1) is placed on the ground.

10. The manufacturing aid for an aluminum spiral-wound heat exchanger according to claim 9, characterized in that Guardrails are arranged around the place where the manufacturing platform (1) and the automatic pipe feeder (2) are arranged.

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