Assembly fixture for plate-fin heat exchanger

Abstract

The utility model discloses a plate-fin heat exchanger assembly fixture which is applied to the field of heat exchangers and comprises two bottom plates, the two bottom plates are symmetrically arranged, the upper surfaces of the two bottom plates are each provided with a clamping groove cavity, the two clamping groove cavities are symmetrically arranged, a heat exchanger body is arranged between the two clamping groove cavities, and the heat exchanger body is provided with a clamping groove. A height fixing mechanism is arranged on the upper surface of each clamping groove cavity, a length adjusting mechanism is arranged between the two bottom plates, the clamping groove cavities are fixed to the bottom plates firstly, then the distance between the two bottom plates is changed through the length adjusting mechanisms, and then the distance between the two clamping groove cavities is changed. According to the heat exchanger clamping device, the height fixing mechanism can move downwards to make contact with the top ends of the heat exchanger bodies, then the height fixing mechanism is fixed to the surface of a clamping groove cavity, and then the heat exchanger bodies with different heights and lengths are clamped and fixed.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat exchangers, and particularly relates to an assembly fixture for a plate-fin heat exchanger. Background Art

[0002] A heat exchanger is an energy-saving device that transfers heat between two or more fluids at different temperatures. It transfers heat from a fluid with a higher temperature to a fluid with a lower temperature so that the fluid temperature reaches the specified index of the process to meet the needs of process conditions. It is also one of the main equipment for improving energy utilization. The heat exchanger industry involves nearly 30 industries such as HVAC, pressure vessels, reclaimed water treatment equipment, chemicals, and petroleum, forming an industrial chain with each other.

[0003] The Chinese utility model patent currently announced as: CN209207344U discloses a new assembly fixture for a plate-fin heat exchanger, which is provided with a fixture body, the fixture body includes an upper fixture and a lower fixture, the sides of the upper fixture and the lower fixture are provided with fixing holes, the inner sides of the fixing holes are respectively penetrated by a first stud and a second stud, a first nut is sleeved at the junction of the first stud and the fixture body, and second nuts are sleeved at the upper and lower ends of the second stud. The utility model thickens and enlarges the fixture on the original basis, and at the same time, fixing blocks are installed on the sides of the upper fixture and the lower fixture to enhance the overall stability. A sleeve and a compression spring are sleeved on the second stud to effectively compress the upper fixture, which can effectively prevent the plate-fin heat exchanger from being deformed during the counterweight, clamping and fixing process during baking in the furnace, thereby ensuring the processing effect. The structural design is compact and reasonable, has strong practicality, and is suitable for promotion.

[0004] Although this patent can clamp and fix the plate-fin heat exchanger, due to the limitation of the two first studs, it can only clamp and fix the plate-fin heat exchanger of fixed specifications, and cannot clamp and fix the plate-fin heat exchangers of different lengths and heights. Utility Model Content

[0005] The utility model aims to provide a plate-fin heat exchanger assembly fixture, which solves the problem that the existing plate-fin heat exchanger transfer fixture can only clamp plate-fin heat exchangers of fixed specifications.

[0006] The above technical purpose of the utility model is achieved through the following technical scheme: a plate-fin heat exchanger assembly fixture, including a base plate, wherein the base plates are two in number and symmetrically arranged, a slot cavity is arranged on the upper surface of the two base plates, the two slot cavities are symmetrically arranged, a heat exchanger body is arranged between the two slot cavities, a height fixing mechanism is arranged on the upper surface of the slot cavity, and a length adjustment mechanism is arranged between the two base plates.

[0007] By adopting the above technical scheme, a bottom plate, a slot cavity, a heat exchanger body, a height fixing mechanism and a length adjustment mechanism are set. When in use, the slot cavity is first fixed on the bottom plate, and then the distance between the two bottom plates is changed by the length adjustment mechanism, thereby changing the distance between the two slot cavities, thereby being able to adapt to the clamping of heat exchanger bodies of different lengths, and then the height fixing mechanism is moved downward until the height fixing mechanism contacts the top of the heat exchanger body, and then the height fixing mechanism is fixed to the surface of the slot cavity, thereby completing the clamping and fixation of heat exchanger bodies of different heights and lengths.

[0008] The utility model is further configured as follows: the height fixing mechanism includes a sliding groove, a fixing plate, a limiting cavity, a limiting block, a connecting plate, a threaded hole and a threaded rod; the sliding groove is arranged in the side wall of the slot cavity; the sliding grooves are two in number and are symmetrically arranged; the fixing plate is slidably arranged in the sliding groove; the fixing plate is U-shaped; the limiting cavity is arranged on the side wall of the fixing plate; the limiting cavity is two in number and is symmetrically arranged; the limiting block is slidably connected to the limiting cavity; the cross-sections of the limiting block and the limiting cavity are both T-shaped; the connecting plate is hinged on the limiting block; the threaded hole is arranged on the side wall of the slot cavity; the threaded rod is arranged on the connecting plate; the threaded rod and the threaded hole are matched and arranged; the surface of the limiting block in contact with the limiting cavity is smooth.

[0009] By adopting the above technical scheme, a sliding groove, a fixed plate, a limit cavity, a limit block, a connecting plate, a threaded hole and a threaded rod are set. When in use, the fixed plate is first made to slide downward in the sliding groove. At this time, the upper end of the slot cavity will resist the limit block, so that the limit block slides in the limit cavity and the limit block is always located at the top of the slot cavity. After the fixed plate contacts the upper surface of the heat exchanger body, the connecting plate is rotated to make the connecting plate contact the side wall of the slot cavity, and then the threaded rod is rotated to make the threaded rod enter the threaded hole. At this time, the heat exchanger body can be fixed by the fixed plate, and the heat exchanger body of different heights can be fixed by the different distances moved by the fixed plate in the sliding groove.

[0010] The utility model is further configured as follows: the length adjustment mechanism includes a bidirectional screw rod and a handle, the bidirectional screw rod passes through two bottom plates, the two bottom plates are both threadedly rotatably connected to the bidirectional screw rod, and the handle is arranged at one end of the bidirectional screw rod.

[0011] By adopting the above technical solution, a bidirectional screw rod and a handle are set. When in use, the bidirectional screw rod is rotated by the handle, so that the two base plates can move in relative or opposite directions on the bidirectional screw rod, thereby adjusting the distance between the two fixed plates, and then adjusting the distance between the two slot cavities, thereby adapting to heat exchanger bodies of different lengths.

[0012] The utility model is further configured as follows: a spring groove is provided at one end of the fixed plate that contacts the heat exchanger body, a first spring is provided inside the spring groove, a movable groove is provided at the other end of the spring groove, a movable block is provided in the movable groove, the movable block is connected to one end of the first spring, the movable block contacts the heat exchanger body, and the movable block is made of rubber.

[0013] By adopting the above technical solution, by arranging the spring groove, the first spring, the movable groove and the movable block, when the fixed plate contacts the heat exchanger body, the heat exchanger body can squeeze the movable block, and then squeeze the first spring through the movable block, and the force of the first spring to restore the deformation can act in the opposite direction on the movable block, and the heat exchanger body is fixed by the movable block, and the movable block is made of rubber material, which can prevent the fixed plate from causing damage to the heat exchanger body.

[0014] The utility model is further configured as follows: a second spring is arranged on the bidirectional screw rod, and two ends of the second spring are respectively in contact with one end of the two bottom plates.

[0015] By adopting the above technical solution and arranging the second spring, when the two bottom plates move relative to each other, the second spring can provide a buffering effect on the movement of the two bottom plates.

[0016] The utility model is further configured as follows: a limiting groove is arranged in the bottom plate, a limiting rod is arranged on the bottom plate, and the limiting groove and the limiting rod are arranged in coordination.

[0017] By adopting the above technical solution, by setting the limit groove and the limit rod, when the two bottom plates move relative to each other, the limit rod can move in the limit groove, thereby limiting the movement of the two bottom plates, so that the two bottom plates can only move along the direction of the limit rod.

[0018] The utility model is further configured as follows: protective pads are arranged on both sides of the card slot cavity, and the protective pads are made of rubber material.

[0019] By adopting the above technical solution, a protective pad is provided. When in use, the protective pad is made of rubber material and can protect the heat exchanger body in the slot cavity.

[0020] In summary, the utility model has the following beneficial effects:

[0021] By setting a sliding groove, a fixed plate, a limit cavity, a limit block, a connecting plate, a threaded hole and a threaded rod, when in use, first slide the fixed plate downward in the sliding groove, at which time the upper end of the slot cavity will abut against the limit block, so that the limit block slides in the limit cavity and the limit block is always located at the top of the slot cavity; after the fixed plate contacts the upper surface of the heat exchanger body, rotate the connecting plate to contact the side wall of the slot cavity, and then rotate the threaded rod to make the threaded rod enter the threaded hole; at this time, the heat exchanger body can be fixed by the fixed plate, and the heat exchanger bodies of different heights can be fixed by the different distances moved by the fixed plate in the sliding groove.

[0022] By setting a bidirectional screw rod and a handle, when in use, the bidirectional screw rod can be rotated by the handle to make the two base plates move in relative or opposite directions on the bidirectional screw rod, thereby adjusting the distance between the two fixed plates, and then adjusting the distance between the two slot cavities, thereby adapting to heat exchanger bodies of different lengths.

[0023] Based on the above improvements, the overall technical effect achieved by the device is that heat exchanger bodies of different lengths can be clamped and fixed by the length adjustment mechanism, and heat exchanger bodies of different heights can be clamped and fixed by the height fixing mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a structural schematic diagram of the height fixing mechanism of the utility model;

[0026] Figure 3 It is a structural schematic diagram of the movable groove, movable block and first spring of the utility model;

[0027] Figure 4 It is a structural schematic diagram of the length adjustment mechanism of the utility model.

[0028] In the figure, 1, bottom plate; 2, slot cavity; 3, heat exchanger body; 4, height fixing mechanism; 5, length adjustment mechanism; 6, spring slot; 7, first spring; 8, movable slot; 9, movable block; 10, second spring; 11, limit slot; 12, limit rod; 13, protection pad; 401, sliding slot; 402, fixing plate; 403, limit cavity; 404, limit block; 405, connecting plate; 406, threaded hole; 407, threaded rod; 501, bidirectional screw; 502, handle. DETAILED DESCRIPTION

[0029] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0030] Example:

[0031] See also Figure 1-Figure 4 The utility model provides a technical solution: a plate-fin heat exchanger assembly fixture, comprising a base plate 1, two base plates 1 are symmetrically arranged, a slot cavity 2 is arranged on the upper surface of the two base plates 1, the slot cavity 2 is symmetrically arranged, a heat exchanger body 3 is arranged between the two slot cavities 2, a height fixing mechanism 4 is arranged on the upper surface of the slot cavity 2, and a length adjustment mechanism 5 is arranged between the two base plates 1. By setting the base plate 1, the slot cavity 2, the heat exchanger body 3, the height fixing mechanism 4 and the length adjustment mechanism 5, when in use, the slot cavity 2 is first fixed on the base plate 1, and then the distance between the two base plates 1 is changed by the length adjustment mechanism 5, thereby changing the distance between the two slot cavities 2, thereby being able to adapt to the heat exchanger bodies 3 of different lengths for clamping, and then the height fixing mechanism 4 is moved downward until the height fixing mechanism 4 contacts the top of the heat exchanger body 3, and then the height fixing mechanism 4 is fixed to the surface of the slot cavity 2, thereby completing the clamping and fixing of the heat exchanger bodies 3 of different heights and lengths.

[0032] refer to Figure 2The height fixing mechanism 4 includes a sliding groove 401, a fixing plate 402, a limiting cavity 403, a limiting block 404, a connecting plate 405, a threaded hole 406 and a threaded rod 407. The sliding groove 401 is arranged in the side wall of the card slot cavity 2. The number of sliding grooves 401 is two and they are symmetrically arranged. The fixing plate 402 is slidably arranged in the sliding groove 401. The fixing plate 402 is U-shaped. The limiting cavity 403 is arranged on the side wall of the fixing plate 402. There are two cavities 403 and they are symmetrically arranged. The limit block 404 is slidably connected to the limit cavity 403. The cross sections of the limit block 404 and the limit cavity 403 are both T-shaped. The connecting plate 405 is hinged on the limit block 404. The threaded hole 406 is arranged on the side wall of the slot cavity 2. The threaded rod 407 is arranged on the connecting plate 405. The threaded rod 407 and the threaded hole 406 are arranged in coordination. The surface of the limit block 404 in contact with the limit cavity 403 is The invention is smoothly arranged, by arranging the sliding groove 401, the fixing plate 402, the limiting cavity 403, the limiting block 404, the connecting plate 405, the threaded hole 406 and the threaded rod 407. When in use, the fixing plate 402 is firstly made to slide downward in the sliding groove 401. At this time, the upper end of the card slot cavity 2 will abut against the limiting block 404, so that the limiting block 404 slides in the limiting cavity 403, and the limiting block 404 is always located at the top of the card slot cavity 2. After the fixing plate 402 contacts the upper surface of the heat exchanger body 3, the connecting plate 405 is rotated to make the connecting plate 405 contact the side wall of the card slot cavity 2, and then the threaded rod 407 is rotated to make the threaded rod 407 enter the threaded hole 406. At this time, the heat exchanger body 3 can be fixed by the fixing plate 402, and the heat exchanger body 3 of different heights can be fixed by the different distances moved by the fixing plate 402 in the sliding groove 401.

[0033] refer to Figure 4 The length adjustment mechanism 5 includes a bidirectional screw rod 501 and a handle 502. The bidirectional screw rod 501 passes through the two bottom plates 1. The two bottom plates 1 are both threadedly connected to the bidirectional screw rod 501. The handle 502 is arranged at one end of the bidirectional screw rod 501. By arranging the bidirectional screw rod 501 and the handle 502, when in use, the bidirectional screw rod 501 is rotated by the handle 502, so that the two bottom plates 1 can move in relative or opposite directions on the bidirectional screw rod 501, thereby adjusting the distance between the two fixing plates 402, and then adjusting the distance between the two slot cavities 2, so as to adapt to heat exchanger bodies 3 of different lengths.

[0034] refer to Figure 3A spring groove 6 is provided at one end of the fixed plate 402 in contact with the heat exchanger body 3, a first spring 7 is provided inside the spring groove 6, a movable groove 8 is provided at the other end of the spring groove 6, a movable block 9 is provided in the movable groove 8, the movable block 9 is connected to one end of the first spring 7, the movable block 9 is in contact with the heat exchanger body 3, the movable block 9 is made of rubber, by providing the spring groove 6, the first spring 7, the movable groove 8 and the movable block 9, when the fixed plate 402 is in contact with the heat exchanger body 3, the heat exchanger body 3 can squeeze the movable block 9, and then squeeze the first spring 7 through the movable block 9, the force of the first spring 7 to restore the deformation can act in the opposite direction on the movable block 9, the heat exchanger body 3 is fixed through the movable block 9, and the movable block 9 is made of rubber, which can prevent the fixed plate 402 from causing damage to the heat exchanger body 3.

[0035] refer to Figure 4 A second spring 10 is arranged on the bidirectional screw rod 501, and both ends of the second spring 10 are respectively in contact with one end of the two bottom plates 1. By arranging the second spring 10, when the two bottom plates 1 move relative to each other, the second spring 10 can provide a buffering effect on the movement of the two bottom plates 1.

[0036] refer to Figure 4 A limiting groove 11 is provided in the bottom plate 1, and a limiting rod 12 is provided on the bottom plate 1. The limiting groove 11 and the limiting rod 12 are arranged in coordination. By setting the limiting groove 11 and the limiting rod 12, when the two bottom plates 1 move relative to each other, the limiting rod 12 can move in the limiting groove 11, thereby limiting the movement of the two bottom plates 1, so that the two bottom plates 1 can only move along the direction of the limiting rod 12.

[0037] refer to Figure 2 Protection pads 13 are provided on both sides of the card slot cavity 2, and the protection pads 13 are made of rubber material. By providing the protection pads 13, when in use, the protection pads 13 are made of rubber material and can protect the heat exchanger body 3 in the card slot cavity 2.

[0038] Brief description of the use process: When in use, first rotate the bidirectional screw rod 501 through the handle 502, so that the two bottom plates 1 can move in relative or opposite directions on the bidirectional screw rod 501, thereby adjusting the distance between the two fixed plates 402, and then adjusting the distance between the two card slot cavities 2, so as to adapt to different lengths of the heat exchanger body 3, and then slide the fixed plate 402 downward in the sliding groove 401, at this time, the upper end of the card slot cavity 2 will abut against the limit block 404, so that the limit block 404 slides in the limit cavity 403, and the limit block 404 is always located at the top of the card slot cavity 2, when the fixed plate 402 contacts the upper surface of the heat exchanger body 3, rotate the connecting plate 405 so that the connecting plate 405 and the card slot cavity 2 are in contact, and the fixing plate 402 is rotated to make the fixing plate 402 and the card slot cavity 2 contact each other. The side wall of the groove cavity 2 is contacted, and then the threaded rod 407 is rotated to make the threaded rod 407 enter the threaded hole 406. At this time, the heat exchanger body 3 can be fixed by the fixing plate 402, and the heat exchanger body 3 with different heights can be fixed by the different distances moved by the fixing plate 402 in the sliding groove 401. Then, when the fixing plate 402 contacts the heat exchanger body 3, the heat exchanger body 3 can squeeze the movable block 9, and then squeeze the first spring 7 through the movable block 9. The force of the first spring 7 to restore the deformation can act in the opposite direction on the movable block 9, and the heat exchanger body 3 is fixed by the movable block 9. The movable block 9 is made of rubber, which can prevent the fixing plate 402 from damaging the heat exchanger body 3.

[0039] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A plate-fin heat exchanger assembly fixture, comprising a bottom plate (1), characterized in that: The number of the bottom plates (1) is two and they are symmetrically arranged; the upper surfaces of the two bottom plates (1) are each provided with a slot cavity (2); the two slot cavities (2) are symmetrically arranged; a heat exchanger body (3) is arranged between the two slot cavities (2); a height fixing mechanism (4) is arranged on the upper surface of the slot cavity (2); and a length adjustment mechanism (5) is arranged between the two bottom plates (1).

2. The plate-fin heat exchanger assembly fixture according to claim 1, characterized in that: The height fixing mechanism (4) comprises a sliding groove (401), a fixing plate (402), a limiting cavity (403), a limiting block (404), a connecting plate (405), a threaded hole (406) and a threaded rod (407); the sliding groove (401) is arranged in the side wall of the card slot cavity (2); the sliding grooves (401) are two in number and are arranged symmetrically; the fixing plate (402) is slidably arranged in the sliding groove (401); the fixing plate (402) is arranged in a U-shape; the limiting cavity (403) is arranged on the side wall of the fixing plate (402); the limiting cavity (403) are two in number and are symmetrically arranged, the limit block (404) is slidably connected to the limit cavity (403), the cross-sections of the limit block (404) and the limit cavity (403) are both T-shaped, the connecting plate (405) is hinged on the limit block (404), the threaded hole (406) is arranged on the side wall of the slot cavity (2), the threaded rod (407) is arranged on the connecting plate (405), the threaded rod (407) and the threaded hole (406) are arranged in coordination, and the surface of the limit block (404) in contact with the limit cavity (403) is smooth.

3. The plate-fin heat exchanger assembly fixture according to claim 1, characterized in that: The length adjustment mechanism (5) comprises a bidirectional screw rod (501) and a handle (502); the bidirectional screw rod (501) passes through two base plates (1); both base plates (1) are threadedly connected to the bidirectional screw rod (501); and the handle (502) is arranged at one end of the bidirectional screw rod (501).

4. The plate-fin heat exchanger assembly fixture according to claim 2, characterized in that: A spring groove (6) is provided at one end of the fixed plate (402) in contact with the heat exchanger body (3), a first spring (7) is provided inside the spring groove (6), a movable groove (8) is provided at the other end of the spring groove (6), a movable block (9) is provided in the movable groove (8), the movable block (9) is connected to one end of the first spring (7), the movable block (9) is in contact with the heat exchanger body (3), and the movable block (9) is made of rubber.

5. The plate-fin heat exchanger assembly fixture according to claim 3, characterized in that: The bidirectional screw rod (501) is provided with a second spring (10), and two ends of the second spring (10) are respectively in contact with one end of the two bottom plates (1).

6. The plate-fin heat exchanger assembly fixture according to claim 1, characterized in that: A limiting groove (11) is arranged in the bottom plate (1), a limiting rod (12) is arranged on the bottom plate (1), and the limiting groove (11) and the limiting rod (12) are arranged in coordination.

7. The plate-fin heat exchanger assembly fixture according to claim 1, characterized in that: Protection pads (13) are provided on both sides of the card slot cavity (2), and the protection pads (13) are made of rubber material.

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