Overall positioning device for automobile intercooler

Abstract

The invention relates to an integral positioning device for an automobile intercooler, the intercooler comprises a core body, the core body comprises heat dissipation pipes and a main plate, the heat dissipation pipes are located on the two sides of a protruding area of the main plate, and the side, facing the core body, of the integral positioning device is provided with surface protrusions and positioning blocks on the periphery of the surface; the positioning blocks are matched with the protrusions at the tail ends of the main plates, the protruding areas of the main plates are matched with the surface protrusions, the heat dissipation pipes are located on the two sides of the surface protrusions, and positioning of the heat dissipation pipes and the main plates is achieved. Compared with the prior art, the radiating pipe is prevented from falling off easily; the mainboard and the radiating pipe are located on the optimal welding surface, the formability of a welding seam is good, and the repair welding rate is reduced; after the core body is assembled, the radiating pipe has consistent extension length, and the size deviation of a product is reduced; a brazed product is attractive and regular; and the qualification rate of airtightness detection of the core buckling air chamber is high.

Description

Technical Field

[0001] The invention relates to the field of automobile intercoolers, and in particular to an integral positioning device for automobile intercoolers. Background Art

[0002] As an important component of the supercharging system, the intercooler is used to reduce the temperature of the high-temperature air after supercharging, thereby reducing the heat load of the engine, increasing the intake volume, and thus increasing the power of the engine.

[0003] The utility model patent with application number CN200920227925.4 discloses an automobile intercooler, including an intercooler core main plate and a heat dissipation pipe. Multiple rows of heat dissipation pipes are welded on the core main plate, turbulent plate heat dissipation belts are arranged between the heat dissipation pipes, and inlet and outlet water pipes are connected to both ends of the heat dissipation pipes. Reinforcement blocks are sleeved at the connection positions of the inlet and outlet water pipes and the two outermost rows of heat dissipation pipes at the four corners of the core main plate, and a total of four reinforcement blocks are sleeved on both sides of both ends of a single heat dissipation pipe. The two sides of the reinforcement blocks are brazed to make the reinforcement blocks, the heat dissipation pipes and the core main plate become one.

[0004] At present, the core of the automobile intercooler is assembled by assembly. The manual assembly has the problems of cumbersome assembly, poor product integrity, and easy cold welding after brazing. Summary of the invention

[0005] The purpose of the present invention is to provide an integral positioning device for an automobile intercooler in order to overcome the defects of the prior art.

[0006] The purpose of the present invention can be achieved by the following technical solutions:

[0007] An integral positioning device for an automobile intercooler, the intercooler comprising a core, the core comprising a heat dissipation pipe and a main board, the heat dissipation pipe being located at both sides of a protruding area of ​​the main board, the integral positioning device being provided with a surface protrusion and positioning blocks around the surface on one side facing the core; the positioning block cooperates with a terminal protrusion of the main board, the protruding area of ​​the main board cooperates with the surface protrusion, the heat dissipation pipe being located at both sides of the surface protrusion, thereby realizing the positioning of the heat dissipation pipe and the main board.

[0008] Preferably, the integral positioning devices are used in pairs, and the placement position is adjusted according to the length of the core.

[0009] Preferably, the surface protrusion has a semicircular cross-section.

[0010] Preferably, the core further comprises a heat dissipation belt, and every two heat dissipation tubes are alternately connected by the heat dissipation belt.

[0011] Preferably, the two sides of the protruding area of ​​the mainboard correspond to the two sides of the surface protrusion, and the heat dissipation pipes alternately connected by the heat dissipation belts are respectively placed on the two sides of the protruding area of ​​the mainboard and the two sides of the surface protrusion.

[0012] Preferably, the recessed area of ​​the mainboard has two heat dissipation pipes.

[0013] Preferably, the core body further comprises side plates, and the heat dissipation pipes and the side plates are alternately connected via heat dissipation belts.

[0014] Preferably, the side panel is located outside the core body, and the end of the side panel is connected to the end protrusion of the main board.

[0015] Preferably, the heat dissipation pipes alternately connected to the side panels via heat dissipation belts are located inside the end protrusion of the main board.

[0016] Preferably, the number of the side panels is 2.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. Prevent the heat dissipation pipe from falling off easily.

[0019] 2. Make the mainboard and the heat pipe at the best welding surface, the weld has good formability, the process defects are significantly reduced, and the post-brazing repair welding is effectively prevented and reduced, the quality of primary brazing is improved, and the scope of use of advanced process methods is expanded.

[0020] 3. After the core is assembled, the extended length of the heat dissipation pipe is consistent, which reduces the dimensional deviation of the product, improves the accuracy, positioning and integrity of the parts, and ensures that the product status and size meet the requirements of the drawings.

[0021] 4. The products after brazing are beautiful and neat.

[0022] 5. The core body buckle air chamber air tightness test pass rate is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is an overall schematic diagram of the overall positioning device of the present invention;

[0024] Figure 2 It is a partial schematic diagram of the overall positioning device of the present invention;

[0025] Figure 3 It is an overall thumbnail schematic diagram of the overall positioning device of the present invention.

[0026] 1. Main board; 2. Positioning block; 3. Heat pipe; 4. Heat dissipation belt; 5. Side panel; 6. Surface protrusion; 7. Recessed area; 8. Protruding area. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0028] The core of the automobile intercooler is assembled by assembly. Manual assembly will cause the following problems:

[0029] 1. The existing heat dissipation pipe is not properly assembled with the mainboard, and the pipe is easy to fall off, and the gap is too large to be welded.

[0030] 2. The existing tooling lacks reliable positioning and clamping, which increases the dimensional deviation of the product.

[0031] 3. The repair welding rate of products produced by existing tooling has increased significantly.

[0032] 4. The length of the heat dissipation pipes of products produced by existing tooling is uneven.

[0033] 5. The mainboard of the products produced by the existing tooling is uneven, and the leakage amount increases after the air chamber is pressed during airtightness detection.

[0034] The present invention uses an integral positioning device to ensure that the core body is well fixed, the size error is small, the welding quality is good, and welding is convenient.

[0035] Example 1

[0036] The overall positioning device structure is as follows Figure 1-Figure 3 As shown, an integral positioning device for an automobile intercooler, the intercooler includes a core body, the core body includes a heat dissipation pipe 3 and a main board 1, the heat dissipation pipe 3 is located on both sides of a protruding area 8 of the main board 1, and the integral positioning device is provided with a surface protrusion 6 and positioning blocks 2 around the surface on the side facing the core body; the positioning block 2 cooperates with the end protrusion of the main board 1, the protruding area 8 of the main board 1 cooperates with the surface protrusion 6, the heat dissipation pipe 3 is located on both sides of the surface protrusion 6, and the positioning of the heat dissipation pipe 3 and the main board 1 is achieved.

[0037] The overall positioning device is used in pairs, and the placement position is adjusted according to the length of the core body.

[0038] In this embodiment, the integral positioning devices are used in pairs. The integral positioning devices are placed in advance according to the length of the core body, and the core body is placed between the two integral positioning devices; the main board 1 located in the protruding area 8 is a reinforcing rib.

[0039] The surface protrusion 6 has a semicircular cross section.

[0040] In this embodiment, the cross section of the surface protrusion 6 is semicircular, with a high middle and low sides, so that the fit is more reliable.

[0041] The core body further comprises a heat dissipation belt 4 , and every two heat dissipation tubes 3 are alternately connected by the heat dissipation belt 4 .

[0042] The two sides of the protruding area 8 of the main board 1 correspond to the two sides of the surface protrusion 6, and the heat pipes 3 alternately connected by the heat dissipation belts 4 are respectively placed on the two sides of the protruding area 8 of the main board 1 and the two sides of the surface protrusion 6. It reflects that the two sides of the protruding area 8 and the two sides of the surface protrusion 6 cooperate with each other, and the heat pipes 3 cooperate with the two sides of the protruding area 8 of the main board 1 and the two sides of the surface protrusion 6.

[0043] The recessed area 7 of the mainboard 1 has two heat dissipation pipes 3 .

[0044] The core body further comprises side plates 5, and the heat dissipation pipes 3 and the side plates 5 are alternately connected through heat dissipation belts 4. Heat dissipation can be further enhanced.

[0045] The side plate 5 is located outside the core body, and the end of the side plate 5 is connected to the protrusion of the end of the main plate 1.

[0046] The heat dissipation pipes 3 alternately connected to the side panels 5 through the heat dissipation belts 4 are located inside the end protrusion of the main board 1 .

[0047] The number of the side plates 5 is 2. The outermost side plates 5 of the core body protect the heat dissipation pipes 3 in the core body.

[0048] In this embodiment, the heat dissipation tube 3 and the main board 1 of the core are fixed and clamped by the integral positioning device used in pairs, so that the assembly is accurate and reliable, the integrity and flatness of the core are better, and the buckling airtightness is better. It prevents the heat dissipation tube from falling off easily, and the extended length of the heat dissipation tube is consistent after the core is assembled; the main board and the heat dissipation tube are at the best welding surface, the weld has good formability, the repair welding rate is reduced, and the quality of the first brazing is improved. The repair welding rate is reduced from 11% to 1.2%, and the quality of the first brazing is increased from 89% to 98.5%. The heat dissipation tube has uniform length and small dimensional deviation; the product after brazing is beautiful and regular, and the qualified rate of the core buckling air chamber airtightness test is 98%. The production cost is reduced, and the labor cost per unit is reduced from 13.15 yuan to 11.75 yuan. Based on an annual production of 20,000 heaters, it is estimated that 28,000 yuan will be saved.

[0049] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. An integral positioning device for an automobile intercooler, the intercooler comprising a core, the core comprising a heat dissipation pipe (3) and a main board (1), the heat dissipation pipe (3) being located on both sides of a protruding area (8) of the main board (1), characterized in that: The side of the integral positioning device facing the core body is provided with a surface protrusion (6) and positioning blocks (2) around the surface; the positioning block (2) cooperates with the end protrusion of the main board (1), the protruding area (8) of the main board (1) cooperates with the surface protrusion (6), and the heat dissipation pipe (3) is located on both sides of the surface protrusion (6), so as to realize the positioning of the heat dissipation pipe (3) and the main board (1).

2. The integral positioning device for an automobile intercooler according to claim 1, characterized in that: The overall positioning device is used in pairs, and the placement position is adjusted according to the length of the core body.

3. The integral positioning device for an automobile intercooler according to claim 1, characterized in that: The cross section of the surface protrusion (6) is semicircular.

4. The integral positioning device for an automobile intercooler according to claim 1, characterized in that: The core also includes a heat dissipation belt (4), and every two heat dissipation tubes (3) are alternately connected via the heat dissipation belt (4).

5. The integral positioning device for an automobile intercooler according to claim 4, characterized in that: The two sides of the protruding area (8) of the main board (1) correspond to the two sides of the surface protrusion (6), and the heat dissipation pipes (3) alternately connected by the heat dissipation belts (4) are respectively placed on the two sides of the protruding area (8) of the main board (1) and the two sides of the surface protrusion (6).

6. The integral positioning device for an automobile intercooler according to claim 5, characterized in that: The recessed area (7) of the mainboard (1) is provided with two heat dissipation pipes (3).

7. The integral positioning device for an automobile intercooler according to claim 6, characterized in that: The core also includes side plates (5), and the heat dissipation pipes (3) and the side plates (5) are alternately connected via heat dissipation belts (4).

8. The integral positioning device for an automobile intercooler according to claim 7, characterized in that: The side plate (5) is located outside the core body, and the end of the side plate (5) is connected to the protrusion of the end of the main plate (1).

9. The integral positioning device for an automobile intercooler according to claim 8, characterized in that: The heat dissipation pipes (3) alternately connected to the side panels (5) via heat dissipation belts (4) are located inside the end protrusion of the main board (1).

10. The integral positioning device for an automobile intercooler according to claim 9, characterized in that: The number of the side panels (5) is 2.

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