Copper pipe penetrating baffle mechanism of heat exchanger

Abstract

The utility model discloses a copper pipe penetrating baffle mechanism of a heat exchanger. The copper pipe penetrating baffle mechanism comprises a mounting plate, a driving air cylinder, a tooth-shaped baffle, an upper-layer tooth-shaped push plate, a middle-layer partition plate and a lower-layer push plate. The middle-layer partition plate is arranged between the upper-layer tooth-shaped push plate and the lower-layer push plate to form a fin tube penetrating cavity; the driving air cylinder is fixedly mounted on the mounting plate, a telescopic rod of the driving air cylinder is fixedly connected with the top end of the tooth-shaped baffle, and a plurality of limiting tooth structures and guiding tooth structures are arranged at the bottom end of the tooth-shaped baffle; the upper-layer tooth-shaped push plate is provided with a plurality of limiting groove structures and first guide groove structures, and the lower-layer push plate is provided with a second guide groove structure; the limiting tooth structure and the limiting groove structure are vertically and oppositely arranged, and the guide tooth structure, the first guide groove structure and the second guide groove structure are vertically and oppositely arranged. The problems that due to an existing heat exchanger pipe penetrating structure, in the pipe penetrating guiding process, fins deform or the fins cannot move after pipe penetrating, the copper pipe guiding precision is lowered, and the working efficiency is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of copper tube penetration of heat exchangers, in particular to a baffle mechanism for copper tube penetration of heat exchangers. Background Art

[0002] The production process of heat exchangers for air conditioners is cumbersome and has a low degree of automation. The assembly process of long U-tubes (copper tubes) and fins relies heavily on manual work. With the development of technology, equipment that can assist in guiding the tube insertion has begun to appear on the market. It mainly fixes the fins in advance, and then the long U-tube and the fin holes are accurately positioned by the equipment guiding the tube insertion before the tube insertion is performed.

[0003] There are two common ways to fix the fins in the market. Figure 6 As shown in the figure, one of the methods is to use a row of round hole baffles to support the fins to prevent the fins from bending. The disadvantage of this method is that when the copper tube is inserted into the round hole, the fins cannot move horizontally; Figure 7 As shown, another method is: a groove structure is formed by two parallel plate structures, and the two parallel plate structures respectively abut the upper end surface and the lower end surface of the fin. The disadvantage of this method is that although the fin can move horizontally, the fin is easy to be embedded in the groove during the tube threading process, and the fin is easy to fall off, resulting in deformation of the fin during the tube threading process and reducing the guiding accuracy of the copper tube. Summary of the invention

[0004] The utility model provides a heat exchanger copper tube baffle mechanism to overcome the above technical problems.

[0005] In order to achieve the above purpose, the technical solution of the utility model is:

[0006] A heat exchanger copper tube baffle mechanism, comprising a mounting plate, a driving cylinder, a toothed baffle, an upper toothed push plate, a middle partition plate, and a lower push plate;

[0007] The upper toothed push plate, the middle partition plate and the lower push plate are fixedly connected, and the middle partition plate is arranged between the upper toothed push plate and the lower push plate to form a fin tube cavity;

[0008] The driving cylinder is fixedly mounted on the mounting plate, and the telescopic rod of the driving cylinder is fixedly connected to the top of the toothed baffle, so as to drive the toothed baffle to move vertically back and forth through the telescopic rod of the driving cylinder;

[0009] The bottom end of the toothed baffle is provided with a plurality of limiting tooth structures and guide tooth structures;

[0010] The upper toothed push plate is provided with a plurality of limit groove structures and a first guide groove structure, and the lower push plate is provided with a second guide groove structure;

[0011] The limiting tooth structure and the limiting groove structure are arranged vertically opposite to each other, and the guiding tooth structure, the first guiding groove structure and the second guiding groove structure are arranged vertically opposite to each other.

[0012] Furthermore, a guide slot structure is symmetrically provided on one side of the mounting plate;

[0013] A guide slider is symmetrically provided on one side of the toothed baffle;

[0014] The guide sliding block is vertically slidably connected to the guide sliding groove structure.

[0015] Furthermore, the limiting groove structure and the first guide groove structure are arranged at equal intervals in the horizontal direction;

[0016] The limiting tooth structure and the guide tooth structure are arranged at equal intervals in the horizontal direction;

[0017] Furthermore, the length of the guide tooth structure is greater than the length of the limiting tooth structure.

[0018] Furthermore, the vertical plane where one end of the upper toothed push plate and the lower push plate abutting against the fins are located coincides with the vertical plane where the other side of the toothed baffle is located;

[0019] The upper toothed push plate is arranged in parallel with the lower push plate.

[0020] Furthermore, a horizontal connecting plate is provided at the center of the mounting plate, and the driving cylinder is fixedly connected to the mounting plate through the horizontal connecting plate;

[0021] A telescopic rod limiting groove structure for limiting the vertical moving distance of the telescopic rod of the driving cylinder is provided at the top end of the toothed baffle, and the bottom end of the telescopic rod of the driving cylinder is connected to the center of the telescopic rod limiting groove structure through a fixing block.

[0022] Beneficial effect: The utility model provides a baffle mechanism for passing copper tubes of a heat exchanger, which arranges a limiting tooth structure and a guide tooth structure at the bottom end of the toothed baffle; an upper toothed push plate arranges a limiting groove structure and a first guide groove structure, and a second guide groove structure is arranged on the lower push plate; and a driving cylinder fixed on the mounting plate is used to drive the limiting tooth structure and the guide tooth structure of the toothed baffle to move vertically back and forth along the limiting groove structure and the guide groove structure, so as to achieve that when the fin needs to move horizontally, the driving cylinder drives the toothed baffle to rise, which will not affect the normal horizontal movement of the fin after the tube is passed through; when it is necessary to insert the tube into the fin, the toothed baffle is driven down by the driving cylinder to prevent the fin from bending and embedding between the upper toothed push plate and the lower push plate, thereby greatly improving the tube passing accuracy and work efficiency of the fin tube passing of the heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0024] Figure 1 It is a structural schematic diagram of the utility model heat exchanger copper tube baffle mechanism when passing through the tube;

[0025] Figure 2 This is a schematic diagram of the structure of the copper tube baffle mechanism of the heat exchanger in this embodiment;

[0026] Figure 3 This is a front view of the copper tube baffle mechanism of the heat exchanger in this embodiment;

[0027] Figure 4 It is a top view of the copper tube baffle mechanism of the heat exchanger in this embodiment;

[0028] Figure 5 This is a schematic diagram of the structural connection of the upper toothed push plate / middle partition plate / lower push plate in this embodiment;

[0029] Figure 6 It is a schematic diagram of the first existing fin-through-tube structure;

[0030] Figure 7 It is a schematic diagram of the second existing fin-through-tube structure.

[0031] In the figure: 1. mounting plate; 10. horizontal connecting plate; 11. guide slide groove structure; 2. driving cylinder; 21. telescopic rod; 22. fixing block; 3. toothed baffle; 30. telescopic rod limit groove structure; 31. limit tooth structure; 32. guide tooth structure; 33. guide slide block; 4. upper toothed push plate; 41. limit groove structure; 42. first guide groove structure; 5. middle partition plate; 6. lower push plate; 61. second guide groove structure; 7. fin. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] This embodiment provides a heat exchanger copper tube baffle mechanism, such as Figures 1 to 4 As shown, it includes a mounting plate 1, a driving cylinder 2, a toothed baffle plate 3, an upper toothed push plate 4, a middle partition plate 5, and a lower push plate 6;

[0034] The upper toothed push plate 4, the middle partition plate 5 and the lower push plate 6 are fixedly connected, and the middle partition plate 5 is arranged between the upper toothed push plate 4 and the lower push plate 6 to form a fin tube cavity;

[0035] The driving cylinder 2 is fixedly mounted on the mounting plate 1, and the telescopic rod 21 of the driving cylinder 2 is fixedly connected to the top of the toothed baffle 3, so as to drive the toothed baffle 3 to reciprocate vertically through the telescopic rod 21 of the driving cylinder 2;

[0036] The bottom end of the toothed baffle 3 is provided with a plurality of limiting tooth structures 31 and a guide tooth structure 32;

[0037] The upper toothed push plate 4 is provided with a plurality of limit groove structures 41 and a first guide groove structure 42, and the lower push plate 6 is provided with a second guide groove structure 61;

[0038] The limiting tooth structure 31 and the limiting groove structure 41 are disposed vertically opposite to each other, and the guiding tooth structure 32 , the first guiding groove structure 42 and the second guiding groove structure 61 are disposed vertically opposite to each other.

[0039] In this embodiment, a limiting tooth structure 31 and a guide tooth structure 32 are provided at the bottom end of the toothed baffle plate; a limiting groove structure 41 and a first guide groove structure 42 are provided on the upper toothed push plate 3, and a second guide groove structure 61 is provided on the lower push plate 6; and the limiting tooth structure 31 and the guide tooth structure 32 of the toothed baffle plate 3 are driven by the driving cylinder 2 fixed on the mounting plate 1 to vertically reciprocate along the limiting groove structure 41 and the guide groove structure, so that when the fin 7 needs to move horizontally after the tube is inserted, the driving cylinder 2 drives the toothed baffle plate 3 to rise, which will not affect the normal horizontal movement of the fin 7 after the tube is inserted; when it is necessary to insert the tube into the fin 7, the driving cylinder 2 drives the toothed baffle plate 3 to descend, and a copper tube passing hole is formed between the upper toothed push plate 4, the lower push plate 6 and the adjacent limiting tooth structure 31 to prevent the fin 7 from bending and embedding between the upper toothed push plate 4 and the lower push plate 6, thereby greatly improving the tube insertion accuracy and work efficiency of the heat exchanger fin tube insertion.

[0040] In a specific embodiment, a guide slot structure 11 is symmetrically provided on one side of the mounting plate 1; a guide slider 33 is symmetrically provided on one side of the toothed baffle plate 3; and the guide slider 33 is vertically slidably connected to the guide slot structure 11. The stability of the toothed baffle plate 3 when the driving cylinder 2 drives the toothed baffle plate 3 to move vertically is ensured, so as to avoid the toothed baffle plate 3 being offset during movement, resulting in the limit tooth structure 31 and the guide tooth structure 32 being unable to cooperate with the upper toothed push plate 4, thereby affecting the normal fin tube threading of the heat exchanger.

[0041] In a specific embodiment, Figure 5 As shown, the limit groove structure 41 and the first guide groove structure 42 are arranged at equal intervals in the horizontal direction; the limit tooth structure 31 and the guide tooth structure 32 are arranged at equal intervals in the horizontal direction; this ensures that one end of the fin is subjected to balanced force when the heat exchanger is threaded through the tube, avoiding deformation of the fin during the threading process, thereby reducing the threading accuracy and quality. Moreover, the length of the guide tooth structure 32 is greater than the length of the limit tooth structure 31. In this embodiment, a guide tooth structure 32 is specifically arranged at both ends of the toothed baffle 3, and the guide tooth structure 32 passes through the first guide groove structure 42 and the second guide groove structure 61 in sequence, thereby ensuring the convenience and accuracy of the installation process of the heat exchanger copper tube baffle mechanism.

[0042] In a specific embodiment, the vertical plane where one end of the upper toothed push plate 4 and the lower push plate 6 abutting against the fins is located coincides with the vertical plane where the other side of the toothed baffle plate 3 is located, and the upper toothed push plate 4 and the lower push plate 6 are arranged in parallel to abut against the upper end surface and the lower end surface of the fin respectively; thereby, when it is necessary to insert the tube into the fin, the toothed baffle plate is driven down by driving the cylinder to form a plane with the side surface of the toothed baffle plate 3 and one end of the upper toothed push plate 4 and the lower push plate 6, so as to avoid the fin from bending and embedding between the upper toothed push plate 4 and the lower push plate 6 during the tube insertion process, thereby ensuring the accuracy of the fin after the tube insertion.

[0043] In a specific embodiment, a horizontal connecting plate 10 is provided at the center of the mounting plate 1, and the driving cylinder 2 is fixedly connected to the mounting plate 1 through the horizontal connecting plate 10; the firmness of the installation of the driving cylinder 2 is ensured, and a telescopic rod limiting groove structure 30 for limiting the vertical moving distance of the telescopic rod 21 of the driving cylinder 2 is provided at the top of the toothed baffle 3, and the bottom end of the telescopic rod 21 of the driving cylinder 2 is connected to the center of the telescopic rod limiting groove structure 30 through a fixing block 22. The telescopic rod 21 of the driving cylinder 2 drives the toothed baffle 3 to move a distance, and avoids the driving cylinder 2 being unable to drive the toothed baffle 3 to rise to the top of the upper toothed push plate 4 due to insufficient moving distance, thereby affecting the normal horizontal movement of the fin after the tube is inserted; or when the fin needs to be inserted with a tube, the driving cylinder 2 drives the toothed baffle 3 to descend too far or too little, thereby causing damage to the upper toothed push plate 4 or bending of the fin.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A heat exchanger copper tube baffle mechanism, characterized in that: It comprises a mounting plate (1), a driving cylinder (2), a toothed baffle plate (3), an upper toothed push plate (4), a middle partition plate (5), and a lower push plate (6); The upper toothed push plate (4), the middle partition plate (5) and the lower push plate (6) are fixedly connected, and the middle partition plate (5) is arranged between the upper toothed push plate (4) and the lower push plate (6) to form a fin tube cavity; The driving cylinder (2) is fixedly mounted on the mounting plate (1), and the telescopic rod (21) of the driving cylinder (2) is fixedly connected to the top end of the toothed baffle (3), so as to drive the toothed baffle (3) to move vertically back and forth through the telescopic rod (21) of the driving cylinder (2); The bottom end of the toothed baffle (3) is provided with a plurality of limiting tooth structures (31) and guide tooth structures (32); The upper toothed push plate (4) is provided with a plurality of limit groove structures (41) and a first guide groove structure (42), and the lower push plate (6) is provided with a second guide groove structure (61); The limiting tooth structure (31) and the limiting groove structure (41) are arranged vertically opposite to each other, and the guiding tooth structure (32), the first guiding groove structure (42) and the second guiding groove structure (61) are arranged vertically opposite to each other.

2. A heat exchanger copper tube baffle mechanism according to claim 1, characterized in that: A guide slot structure (11) is symmetrically provided on one side of the mounting plate (1); A guide sliding block (33) is symmetrically provided on one side of the toothed baffle (3); The guide slide block (33) is vertically slidably connected to the guide slide groove structure (11).

3. A heat exchanger copper tube baffle mechanism according to claim 2, characterized in that: The limiting groove structure (41) and the first guide groove structure (42) are arranged at equal intervals in the horizontal direction; The limiting tooth structure (31) and the guide tooth structure (32) are arranged at equal intervals in the horizontal direction; Furthermore, the length of the guide tooth structure (32) is greater than the length of the limiting tooth structure (31).

4. A heat exchanger copper tube baffle mechanism according to claim 3, characterized in that: The vertical plane where one end of the upper toothed push plate (4) and the lower push plate (6) abutting against the fins is located coincides with the vertical plane where the other side of the toothed baffle (3) is located; The upper toothed push plate (4) and the lower push plate (6) are arranged in parallel.

5. A heat exchanger copper tube baffle mechanism according to claim 2, characterized in that: A horizontal connecting plate (10) is provided at the center of the mounting plate (1), and the driving cylinder (2) is fixedly connected to the mounting plate (1) via the horizontal connecting plate (10); A telescopic rod limiting groove structure (30) for limiting the vertical movement distance of the telescopic rod (21) of the driving cylinder (2) is provided at the top end of the toothed baffle (3), and the bottom end of the telescopic rod (21) of the driving cylinder (2) is connected to the center of the telescopic rod limiting groove structure (30) via a fixing block (22).

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