A guide mechanism for copper tube of heat exchanger

Abstract

The utility model discloses a kind of guiding mechanism of heat exchanger copper tube, including bottom plate, the top of bottom plate is equipped with top plate, two lifting mechanisms are equipped between top plate and bottom plate, the top of top plate is fixedly installed with transmission body, the central position of transmission body top end is equipped with limit slot, the bottom end of limit slot extends to the inside of transmission body, the side of transmission body top end is installed with motor by support, one end of motor penetrates support and is installed with driving wheel, the lower end of transmission body inside is rotatably installed with screw rod, two guide rods are fixedly installed on the transmission body inner wall above screw rod, one end of screw rod extends to the outside of transmission body and is installed with driven wheel, transmission belt is wound on the outer wall between driven wheel and driving wheel. The utility model not only can adjust the overall height of guiding mechanism as needed, to improve the convenience when guiding mechanism is used, also reaches the purpose of electric auxiliary guiding pipe, and improve the cleanliness of copper pipe outer wall.

Description

Technical Field

[0001] This utility model relates to the technical field of heat exchanger manufacturing equipment, specifically a guide mechanism for passing copper tubes through a heat exchanger. Background Technology

[0002] A heat exchanger is a device that enables heat exchange between two or more fluids. It is widely used in industries such as chemical, petroleum, refrigeration, and air conditioning. In the manufacturing process of heat exchangers, inserting copper tubes is a key step. This involves inserting copper tubes sequentially into guide tubes on the tube sheets at both ends of the heat exchanger to form fluid channels. Therefore, developing a guiding mechanism for inserting copper tubes into a heat exchanger is particularly important.

[0003] A guide device for inserting copper tubes into a heat exchanger, as described in reference announcement number CN217776174U, includes a guide seat and a support structure. A guide cylinder is mounted on the upper part of the guide seat, which is located outside the support structure. The support structure includes clamping plates, a first stop bar, a second stop bar, and bolts. Two clamping plates are provided, and the bolts connect the two plates near their ends. The first and second stop bars are arranged side-by-side at the front of the clamping plates, with a groove between them. The guide seat is slidably connected to the inner side of the groove. This guide device can prevent damage to the fins due to misalignment, improving the yield rate. It also makes tube insertion more convenient and faster, and is adjustable, suitable for various applications. It can also clean copper tubes used multiple times, offering higher functionality. However, while this guide mechanism can be well applied, it is generally not easy to adjust the overall height of the guide mechanism, making it difficult for people of different heights to operate. Some inconvenience remains during use, and further improvements are needed. Utility Model Content

[0004] The purpose of this utility model is to provide a guide mechanism for copper tubes in a heat exchanger, so as to solve the problem that although the guide mechanism mentioned in the background art can be well applied, it is usually not convenient to adjust the overall height of the guide mechanism, which makes it difficult for people of different heights to operate and operate, and there are still some inconveniences in the use process.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a guide mechanism for copper tubes in a heat exchanger, comprising a base plate, a top plate above the base plate, two lifting mechanisms between the top plate and the base plate, a transmission body fixedly mounted on the top of the top plate, a limiting groove at the center of the top of the transmission body, the bottom end of the limiting groove extending into the interior of the transmission body, a motor mounted on one side of the top of the transmission body via a bracket, one end of the motor penetrating the bracket and mounted with a drive wheel, a lead screw rotatably mounted on the lower end of the interior of the transmission body, two guide rods fixedly mounted on the inner wall of the transmission body above the lead screw, one end of the lead screw extending to the outside of the transmission body and mounted with a driven wheel, and a transmission belt wound around the outer wall between the driven wheel and the drive wheel.

[0006] Preferably, the transmission body outside the lead screw and guide rod is provided with several movable frames. The top of the movable frame passes through the limiting groove and is equipped with a bearing plate. The bearing plate is provided to accommodate the guide cylinder.

[0007] Preferably, a nut pair is fixedly installed at the lower end of the interior of the movable frame. The nut pair is threadedly connected to the lead screw. The nut pair is provided so that the movable frame can be threadedly installed on the outside of the lead screw.

[0008] Preferably, two limiting cylinders are fixedly installed at the upper end of the interior of the movable frame. The limiting cylinders are movably connected to the guide rod. The limiting cylinders allow the movable frame to be movably installed on the outside of the guide rod.

[0009] Preferably, a guide cylinder is provided at the center of the top of the support plate, and a cylindrical cavity is provided at the center of the inside of the guide cylinder. An annular brush head is installed at the upper end of the cylindrical cavity. The annular brush head is used to clean the outer wall of the copper tube by brushing.

[0010] Preferably, the lifting mechanism includes a lower connecting seat, an upper connecting seat, and lifting cylinders. Lower connecting seats are provided on both sides of the top of the base plate, and upper connecting seats are provided on both sides of the bottom of the top plate. Two lifting cylinders are installed on the top of the lower connecting seat. The top of the lifting cylinders is connected to the bottom of the upper connecting seat. The lifting cylinders are used to drive the upper connecting seat to move up and down.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the guide mechanism for the copper tube of the heat exchanger can not only adjust the overall height of the guide mechanism as needed to improve the convenience of the guide mechanism during use, but also achieve the purpose of electric assisted guide tube insertion, and improve the cleanliness of the outer wall of the copper tube.

[0012] (1) By setting two lifting cylinders at the top of the lower connecting seat, the upper connecting seat can be driven to rise and fall smoothly. Since lifting mechanisms are set on both sides between the bottom plate and the top plate, the top plate can be driven to rise and fall smoothly by the two lifting mechanisms. Thus, the overall height of the guide mechanism can be adjusted as needed, making it easier for people of different heights to operate and operate, thereby improving the convenience of using the guide mechanism.

[0013] (2) The motor drives the drive wheel to rotate, so that the drive wheel drives the driven wheel to rotate synchronously through the transmission belt, so that the driven wheel drives the lead screw to rotate. At this time, the nut pair slides on the outer wall of the lead screw, and the limit cylinder slides on the outer wall of the guide rod, so that the movable frame drives the guide cylinder to move smoothly across the bearing plate. The operator stands on one side of the central area of ​​the transmission machine body, so that several guide cylinders are moved to the operator in turn for pipe threading, thereby achieving the purpose of electric assisted guide pipe threading.

[0014] (3) An annular brush head is installed on the inner wall of the cylindrical cavity located inside the guide tube. When the copper tube is inserted into the cylindrical cavity, the annular brush head will brush and clean the outer wall of the copper tube to effectively remove the stains on the outer wall of the copper tube, thereby improving the cleanliness of the outer wall of the copper tube. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a partial cross-sectional view of the transmission body of this utility model;

[0017] Figure 3 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0018] Figure 4 This is an enlarged structural schematic diagram of the lifting mechanism of this utility model.

[0019] In the diagram: 1. Base plate; 2. Top plate; 3. Lifting mechanism; 301. Lower connecting seat; 302. Upper connecting seat; 303. Lifting cylinder; 4. Transmission body; 5. Limiting groove; 6. Motor; 7. Bearing plate; 8. Movable frame; 9. Guide cylinder; 10. Driving wheel; 11. Driven wheel; 12. Transmission belt; 13. Lead screw; 14. Nut pair; 15. Guide rod; 16. Limiting cylinder; 17. Cylindrical cavity; 18. Annular brush head. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0021] Please see Figure 1-4 The present invention provides an embodiment of a guide mechanism for copper tubes in a heat exchanger, comprising a base plate 1, a top plate 2 above the base plate 1, and two lifting mechanisms 3 between the top plate 2 and the base plate 1. The lifting mechanism 3 includes a lower connecting seat 301, an upper connecting seat 302, and a lifting cylinder 303. The bottom plate 1 has lower connecting seats 301 on both sides of its top end, and the top plate 2 has upper connecting seats 302 on both sides of its bottom end. The top of the lower connecting seat 301 is equipped with two lifting cylinders 303, and the top of the lifting cylinder 303 is connected to the bottom of the upper connecting seat 302.

[0022] In use, the lifting cylinder 303 is used to drive the upper connecting seat 302 to move up and down.

[0023] A transmission body 4 is fixedly installed at the top of the top plate 2. A limiting groove 5 is provided at the center of the top of the transmission body 4. The bottom end of the limiting groove 5 extends into the interior of the transmission body 4. A motor 6 is installed on one side of the top of the transmission body 4 through a bracket. One end of the motor 6 passes through the bracket and is equipped with a drive wheel 10. A lead screw 13 is rotatably installed at the lower end inside the transmission body 4. Several movable frames 8 are provided inside the transmission body 4 outside the lead screw 13 and guide rod 15. The top of the movable frame 8 passes through the limiting groove 5 and is equipped with a bearing plate 7.

[0024] In use, the guide cylinder 9 is positioned by setting up the support plate 7;

[0025] A nut pair 14 is fixedly installed at the lower end inside the movable frame 8, and the nut pair 14 is threadedly connected to the lead screw 13;

[0026] In use, the movable bracket 8 is threaded onto the outside of the lead screw 13 by setting the nut pair 14;

[0027] Two limiting cylinders 16 are fixedly installed at the upper end of the interior of the movable frame 8, and the limiting cylinders 16 are movably connected to the guide rod 15;

[0028] In use, the limiting sleeve 16 is provided so that the movable frame 8 can be movably installed on the outside of the guide rod 15;

[0029] A guide cylinder 9 is provided at the center of the top of the bearing plate 7, and a cylindrical cavity 17 is provided at the center of the inside of the guide cylinder 9. An annular brush head 18 is installed at the upper end of the inside of the cylindrical cavity 17.

[0030] When in use, the annular brush head 18 is used to clean the outer wall of the copper tube by brushing.

[0031] Two guide rods 15 are fixedly installed on the inner wall of the transmission body 4 above the lead screw 13. One end of the lead screw 13 extends to the outside of the transmission body 4 and is equipped with a driven wheel 11. A transmission belt 12 is wound on the outer wall between the driven wheel 11 and the driving wheel 10.

[0032] In this embodiment, the motor 6 first drives the drive wheel 10 to rotate, causing the drive wheel 10 to drive the driven wheel 11 to rotate synchronously via the transmission belt 12. This causes the driven wheel 11 to drive the lead screw 13 to rotate. At this time, the nut assembly 14 slides on the outer wall of the lead screw 13, and the limiting cylinder 16 slides on the outer wall of the guide rod 15. This allows the movable frame 8 to move smoothly laterally via the bearing plate 7 and the guide cylinder 9. The operator stands on one side of the central area of ​​the transmission body 4, so that several guide cylinders 9 are sequentially moved to the operator for pipe threading. Then, the guide cylinder 9 is located on one side of the central area of ​​the transmission body 4. An annular brush head 18 is installed on the inner wall of the cylindrical cavity 17. When the copper tube is inserted into the cylindrical cavity 17, the annular brush head 18 will brush and clean the outer wall of the copper tube to effectively remove the stains on the outer wall of the copper tube and improve the cleanliness of the outer wall of the copper tube. Finally, the upper connecting seat 302 is driven to move up and down smoothly by the two lifting cylinders 303 at the top of the lower connecting seat 301. Since there are lifting mechanisms 3 on both sides between the bottom plate 1 and the top plate 2, the top plate 2 can be driven to move up and down smoothly by the two lifting mechanisms 3. The overall height of the guide mechanism can be adjusted as needed to complete the use of the guide mechanism.

Claims

1. A guiding mechanism for copper tubes in a heat exchanger, characterized in that: The device includes a base plate (1), a top plate (2) above the base plate (1), two lifting mechanisms (3) between the top plate (2) and the base plate (1), a transmission body (4) fixedly installed at the top of the top plate (2), a limiting groove (5) at the center of the top of the transmission body (4), the bottom end of the limiting groove (5) extending into the interior of the transmission body (4), a motor (6) installed on one side of the top of the transmission body (4) via a bracket, one end of the motor (6) passing through the bracket and having a drive wheel (10) installed thereon, a lead screw (13) rotatably installed at the lower end inside the transmission body (4), two guide rods (15) fixedly installed on the inner wall of the transmission body (4) above the lead screw (13), one end of the lead screw (13) extending into the outside of the transmission body (4) and having a driven wheel (11) installed thereon, and a transmission belt (12) wound around the outer wall between the driven wheel (11) and the drive wheel (10).

2. The guiding mechanism for copper tubes in a heat exchanger according to claim 1, characterized in that: The transmission body (4) outside the lead screw (13) and guide rod (15) is provided with several movable frames (8), and the top of the movable frame (8) passes through the limiting groove (5) and is equipped with a bearing plate (7).

3. The guiding mechanism for copper tubes in a heat exchanger according to claim 2, characterized in that: The lower end of the movable frame (8) is fixedly installed with a nut pair (14), which is threadedly connected to the lead screw (13).

4. The guiding mechanism for copper tubes in a heat exchanger according to claim 2, characterized in that: Two limiting cylinders (16) are fixedly installed at the upper end of the interior of the movable frame (8), and the limiting cylinders (16) are movably connected to the guide rod (15).

5. The guiding mechanism for copper tubes in a heat exchanger according to claim 2, characterized in that: A guide cylinder (9) is provided at the center of the top of the bearing plate (7), and a cylindrical cavity (17) is provided at the center of the inside of the guide cylinder (9). An annular brush head (18) is installed at the upper end of the cylindrical cavity (17).

6. The guiding mechanism for copper tubes in a heat exchanger according to claim 1, characterized in that: The lifting mechanism (3) includes a lower connecting seat (301), an upper connecting seat (302), and a lifting cylinder (303). The bottom plate (1) has lower connecting seats (301) on both sides of its top end, and the top plate (2) has upper connecting seats (302) on both sides of its bottom end. The top of the lower connecting seat (301) is equipped with two lifting cylinders (303), and the top of the lifting cylinder (303) is connected to the bottom of the upper connecting seat (302).

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