End positioning mechanism for cutting off heat exchange pipe joint

Abstract

The utility model relates to the technical field of positioning mechanisms, and discloses an end part positioning mechanism for cutting and processing a heat exchange pipe joint, which comprises a base, a vertical plate is arranged on one side of the upper end of the base, and a fixing ring is arranged at the upper end of the vertical plate; the rotating ring is arranged on one side of the outer part of the fixed ring; the fixing frames are fixedly arranged on the upper side and the lower side of one end of the outer portion of the fixing ring, sliding rods are slidably installed in the fixing frames, clamping shells are fixedly arranged at the ends, close to the axis of the rotating ring, of the sliding rods, and reset springs are arranged at the positions, located between the clamping shells and the fixing frames, of the outer portions of the sliding rods. A first adjusting bolt is installed on one side of the outer portion of the fixing frame in a threaded fit mode. The heat exchange tube is clamped by the clamping shell, and the driving structure is matched to control the rotating ring to drive the clamping shell and the heat exchange tube to rotate by a circle so that cutting equipment can cut off the heat exchange tube connector.

Description

Technical Field

[0001] This utility model relates to the field of positioning mechanism technology, specifically to an end positioning mechanism for cutting and processing heat exchanger pipe joints. Background Technology

[0002] Heat exchange tubes are the core components of a heat exchanger, mainly used to achieve the exchange of heat between two media. They are usually installed inside the heat exchanger's shell and transfer heat from one fluid to another through the tube walls.

[0003] During the manufacturing process of heat exchange tubes, a certain length is usually reserved in order to ensure the straightness and dimensional accuracy of the tubes. After processing, in order to ensure that the heat exchange tubes can accurately fit the internal space of the heat exchanger, both ends need to be cut to achieve the precise dimensional requirements.

[0004] The end positioning mechanism for cutting heat exchanger tube joints is mainly used to ensure the accurate positioning of the heat exchanger tube ends during the cutting process, thereby improving processing accuracy and efficiency.

[0005] After fixing the heat exchange tube using the existing end positioning mechanism for cutting heat exchange tube joints, the heat exchange tube joint is cut off using a cutting device. However, as the diameter of the heat exchange tube increases, the difficulty of cutting the heat exchange tube in one go increases. Therefore, an end positioning mechanism for cutting heat exchange tube joints is proposed. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides an end positioning mechanism for cutting heat exchanger tube joints, thereby solving the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an end positioning mechanism for cutting and processing heat exchanger tube joints, comprising:

[0008] A base, wherein a vertical plate is provided on one side of the upper end of the base, and a fixing ring is provided on the upper end of the vertical plate;

[0009] A swivel ring is located on the outer side of the fixed ring, and the swivel ring is rotatably connected to the fixed ring;

[0010] A fixed frame is fixedly installed on the upper and lower sides of one end of the fixed ring. A sliding rod is slidably installed inside the fixed frame. A clamping shell is fixedly installed at one end of the sliding rod near the axis of the rotating ring. A return spring is installed on the outside of the sliding rod between the clamping shell and the fixed frame. A first adjusting bolt is installed on one side of the fixed frame by thread engagement, and the first adjusting bolt passes through and extends into the interior of the fixed frame.

[0011] A flow-guiding inclined shell is disposed on the outer side of the clamping shell, and the flow-guiding inclined shell is fixed to the clamping shell;

[0012] A transmission gear ring is disposed on the outside of the rotating ring, near the fixed ring. A drive rod is rotatably mounted on the upper end of the fixed ring. A drive bevel gear is fixedly disposed on the outside of the drive rod, and the drive bevel gear meshes with the transmission gear ring. A turntable is disposed on the upper end of the drive rod.

[0013] Preferably, the housing has a side cavity inside, and a second adjusting bolt is installed inside the side cavity through a threaded connection.

[0014] Preferably, a clamping plate is provided at one end of the side cavity inside the second adjusting bolt, and the clamping plate is rotatably connected to the second adjusting bolt. The second adjusting bolt is used to control the clamping plate to hold the heat exchange tube, thereby improving the stability of the heat exchange tube positioning.

[0015] Preferably, the clamping plate is slidably connected to the side cavity, and an anti-slip pad is provided on the outside of the clamping plate and the anti-slip pad is fixed to the clamping plate. The anti-slip pad improves the anti-slip performance of the clamping plate when holding the heat exchange tube.

[0016] Preferably, an internal screw is fixedly provided on one side of the upper end of the base, and an internal threaded sleeve is installed on the upper outer end of the internal screw through a threaded engagement. By rotating the internal threaded sleeve, the rotational motion of the internal threaded sleeve is converted into the linear motion of the internal threaded sleeve under the threaded engagement between the internal threaded sleeve and the internal screw, thereby controlling the lifting and lowering of the pallet.

[0017] Preferably, a support plate is rotatably mounted on the upper end of the internally threaded sleeve, and a rotating roller is rotatably mounted inside the upper end of the support plate. The support plate is used to support the heat exchange tube.

[0018] Compared with the prior art, this utility model provides an end positioning mechanism for cutting heat exchanger tube joints, which has the following advantages:

[0019] This invention uses a clamp to hold the heat exchange tube, tightens the first adjusting bolt so that one end of it abuts against the slide rod, and fixes the slide rod, thereby limiting and fixing the clamp. During cutting, the turntable is rotated, and the drive bevel gear drives the transmission gear ring, causing the turntable to rotate and thus driving the heat exchange tube to rotate. After the heat exchange tube rotates one revolution, the cutting work is completed, which solves the problems mentioned in the background art. Attached Figure Description

[0020] Figure 1 This is a perspective view of the overall structure of this utility model;

[0021] Figure 2 This is a cross-sectional view of the positioning mechanism of this utility model;

[0022] Figure 3 For the present utility model Figure 2 Enlarged view of a portion of region A in the middle.

[0023] In the diagram: 1. Base; 2. Vertical plate; 3. Fixing ring; 4. Rotating ring; 5. Transmission gear ring; 6. Drive rod; 7. Drive bevel gear; 8. Turntable; 9. Fixing frame; 10. First adjusting bolt; 11. Slide rod; 12. Clamping shell; 13. Guide inclined shell; 14. Side cavity; 15. Clamping plate; 16. Anti-slip pad; 17. Second adjusting bolt; 18. Return spring; 19. Internal screw; 20. Internal threaded sleeve; 21. Support plate; 22. Rotating roller. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] This utility model provides a technical solution: an end positioning mechanism for cutting and processing heat exchanger tube joints. Please refer to [link / reference needed]. Figure 1 , Figure 2 and Figure 3 ,include:

[0026] A base 1, with a vertical plate 2 on one side of the upper end of the base 1, and a fixing ring 3 on the upper end of the vertical plate 2;

[0027] Rotary ring 4 is disposed on the outer side of fixed ring 3, and rotating ring 4 is rotatably connected to fixed ring 3;

[0028] The fixed frame 9 is fixedly installed on the upper and lower sides of one end of the fixed ring 3. The fixed frame 9 has a sliding rod 11 slidably installed inside. The end of the sliding rod 11 near the axis of the rotating ring 4 is fixedly installed with a clamping shell 12. The outside of the sliding rod 11 is provided between the clamping shell 12 and the fixed frame 9. The first adjusting bolt 10 is installed on one side of the fixed frame 9 by thread engagement, and the first adjusting bolt 10 passes through and extends into the interior of the fixed frame 9.

[0029] The flow guide inclined shell 13 is disposed on the outer side of the clamping shell 12, and the flow guide inclined shell 13 is fixed to the clamping shell 12;

[0030] A transmission gear ring 5 is located on the outside of the rotating ring 4, close to the fixed ring 3. A drive rod 6 is rotatably mounted on the upper end of the fixed ring 3. A drive bevel gear 7 is fixedly mounted on the outside of the drive rod 6, and the drive bevel gear 7 meshes with the transmission gear ring 5. A turntable 8 is provided on the upper end of the drive rod 6.

[0031] Please see Figure 2 and Figure 3The clamp 12 has a side cavity 14 inside, and a second adjusting bolt 17 is installed inside the side cavity 14 by means of threaded connection.

[0032] Please see Figure 2 and Figure 3 The side cavity 14 is located inside the second adjusting bolt 17. One end of the side cavity 14 is provided with a clamping plate 15, and the clamping plate 15 is rotatably connected to the second adjusting bolt 17. The second adjusting bolt 17 is used to control the clamping plate 15 to clamp the heat exchange tube, thereby improving the stability of the heat exchange tube positioning.

[0033] Please see Figure 2 and Figure 3 The clamping plate 15 is slidably connected to the side cavity 14. An anti-slip pad 16 is provided on the outside of the clamping plate 15 and the anti-slip pad 16 is fixed to the clamping plate 15. The anti-slip pad 16 improves the anti-slip performance of the clamping plate 15 when clamping the heat exchange tube.

[0034] Please see Figure 1 An inner screw 19 is fixedly installed on one side of the upper end of the base 1. An inner threaded sleeve 20 is installed on the upper outer end of the inner screw 19 through threaded engagement. By rotating the inner threaded sleeve 20, the rotational motion of the inner threaded sleeve 20 is converted into the linear motion of the inner threaded sleeve 20 under the threaded engagement between the inner threaded sleeve 20 and the inner screw 19, thereby controlling the lifting and lowering of the pallet 21.

[0035] Please see Figure 1 The upper end of the internally threaded sleeve 20 is rotatably mounted with a support plate 21, and the upper end of the support plate 21 is rotatably mounted with a rotating roller 22. The support plate 21 is used to support the heat exchange tube.

[0036] This solution involves rotating the internal threaded sleeve 20 to lower the support plate 21 until it reaches its lowest controllable height. The end of the heat exchanger tube to be cut is then moved towards the guide shell 13 and inserted. The end of the heat exchanger tube pushes the two clamps 12 outwards. Under the reset push of the return spring 18, the two clamps 12 hold the heat exchanger tube. Once the heat exchanger tube has moved to the desired position, the first adjusting bolt 10 is tightened so that one end presses against the slide rod 11, thereby limiting and fixing the slide rod 11 and the clamps 12. The second adjusting bolt 17 is then rotated to tighten it, pushing the clamp plate 15 to hold and fix the heat exchanger tube, in conjunction with anti-slip mechanisms. The pad 16 improves clamping stability. Then, the internal threaded sleeve 20 is rotated. The internal threaded sleeve 20 and the internal threaded rod 19, under the threaded engagement, convert the rotational motion of the internal threaded sleeve 20 into the linear motion of the internal threaded sleeve 20, thereby lifting the support plate 21 until the support plate 21 supports the heat exchange tube. The heat exchange tube is then cut using a cutting device. When the cutting blade cuts into the heat exchange tube, the turntable 8 is rotated, causing the drive rod 6 to rotate. The drive rod 6 drives the drive bevel gear 7 to rotate. The transmission gear ring 5 and the drive bevel gear 7 are driven by meshing, thereby causing the rotating ring 4 to rotate, which in turn drives the heat exchange tube to rotate. After the heat exchange tube rotates one revolution, the cutting work is completed.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An end positioning mechanism for cutting and processing heat exchanger tube joints, characterized in that, include: A base (1) is provided with a vertical plate (2) on one side of the upper end of the base (1), and a fixing ring (3) is provided at the upper end of the vertical plate (2). A rotating ring (4) is disposed on the outer side of the fixed ring (3), and the rotating ring (4) is rotatably connected to the fixed ring (3); A fixed frame (9) is fixedly installed on the upper and lower sides of one end of the fixed ring (3). A slide rod (11) is slidably installed inside the fixed frame (9). A clamping shell (12) is fixedly installed at one end of the slide rod (11) near the axis of the rotating ring (4). A return spring (18) is installed between the clamping shell (12) and the fixed frame (9) on the outside of the slide rod (11). A first adjusting bolt (10) is installed on one side of the outside of the fixed frame (9) by thread engagement, and the first adjusting bolt (10) penetrates and extends into the inside of the fixed frame (9). A flow guide shell (13) is disposed on the outer side of the clamping shell (12), and the flow guide shell (13) is fixed to the clamping shell (12); A transmission gear ring (5) is located on the outside of the rotating ring (4) near the fixed ring (3). A drive rod (6) is rotatably mounted on the upper end of the fixed ring (3). A drive bevel gear (7) is fixedly mounted on the outside of the drive rod (6), and the drive bevel gear (7) meshes with the transmission gear ring (5). A turntable (8) is provided on the upper end of the drive rod (6).

2. The end positioning mechanism for cutting and processing heat exchanger tube joints according to claim 1, characterized in that: The clamp (12) has a side cavity (14) inside, and a second adjusting bolt (17) is installed inside the side cavity (14) by means of threaded connection.

3. The end positioning mechanism for cutting and processing heat exchanger tube joints according to claim 2, characterized in that: The side cavity (14) is located inside the second adjusting bolt (17) and a clamping plate (15) is provided at one end, and the clamping plate (15) is rotatably connected to the second adjusting bolt (17).

4. The end positioning mechanism for cutting and processing heat exchanger tube joints according to claim 3, characterized in that: The clamping plate (15) is slidably connected to the side cavity (14), and an anti-slip pad (16) is provided on the outside of the clamping plate (15), and the anti-slip pad (16) is fixed to the clamping plate (15).

5. The end positioning mechanism for cutting and processing heat exchanger tube joints according to claim 1, characterized in that: An internal screw (19) is fixedly installed on one side of the upper end of the base (1), and an internal threaded sleeve (20) is installed on the outer upper end of the internal screw (19) through threaded engagement.

6. The end positioning mechanism for cutting and processing heat exchanger tube joints according to claim 5, characterized in that: The upper end of the internal threaded sleeve (20) is rotatably mounted with a support plate (21), and the upper end of the support plate (21) is rotatably mounted with a roller (22).

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