Overall positioning device for automobile intercooler

Abstract

The utility model relates to an integral positioning device for an automobile intercooler, the intercooler comprises a core body, the core body comprises radiating tubes and a main board, the radiating tubes are located on two sides of a protruding area of the main board, and one side of the integral positioning device facing the core body 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 utility model relates to the field of automobile intercoolers, in particular to an integral positioning device for automobile intercoolers. Background Art

[0002] As an important component of the supercharging system, the intercooler's function is 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 engine power.

[0003] Utility model patent application number CN200920227925.4 discloses an automotive intercooler, comprising a core and heat pipes. Multiple rows of heat pipes are welded to the core, with turbulent fins and heat dissipation belts interposed between the heat pipes. Water inlet and outlet pipes are connected to each end of the heat pipes. Reinforcement blocks are located at the four corners of the core, where the inlet and outlet pipes connect to the two outermost rows of heat pipes. Four reinforcement blocks are located on both sides of each heat pipe. The reinforcement blocks are brazed together to form an integral part of the core, heat pipes, and heat pipes.

[0004] Currently, the core of the automobile intercooler is assembled by assembly. Manual assembly has problems such as cumbersome assembly, poor product integrity, and easy cold welding after brazing. Utility Model Content

[0005] The purpose of the present utility model 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 utility model can be achieved through the following technical solutions:

[0007] An integral positioning device for an automotive intercooler, the intercooler comprising a core, the core comprising a heat dissipation pipe and a mainboard, the heat dissipation pipe being located on either side of a protruding area of the mainboard, the integral positioning device being provided with a surface protrusion and positioning blocks arranged around the surface on the side facing the core; the positioning block cooperating with a terminal protrusion of the mainboard, the protruding area of the mainboard cooperating with the surface protrusion, the heat dissipation pipe being located on either side of the surface protrusion, thereby achieving positioning of the heat dissipation pipe and the mainboard.

[0008] Preferably, the integral positioning devices are used in pairs.

[0009] Preferably, the surface raised cross-section is semicircular.

[0010] Preferably, the core further includes 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 further includes side plates, and the heat dissipation pipes and the side plates are alternately connected through heat dissipation belts.

[0014] Preferably, the side panels are located outside the core body, and the ends of the side panels are protrudingly connected to the ends 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. The mainboard and the heat pipe are 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, thereby improving the quality of one-time brazing and expanding the scope of application of advanced process methods.

[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 current status and size of the product meet the requirements of the drawing.

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

[0022] 5. The core body buckle pressure air chamber has a high pass rate in air tightness testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is an overall schematic diagram of the overall positioning device of the utility model;

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

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

[0026] 1. Mainboard; 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 embodiments described are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0028] The core of the car 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, so it is easy to fall off and the gap is too large to be easily 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 product produced by the existing tooling is not flat, and the leakage rate increases after the air chamber is buckled and pressed.

[0034] The utility model uses an integral positioning device to ensure that the core 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, the core includes a heat pipe 3 and a main board 1, the heat pipe 3 is located on both sides of the 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; 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 pipe 3 is located on both sides of the surface protrusion 6 to achieve positioning of the heat pipe 3 and the main board 1.

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

[0038] In this embodiment, the integral positioning devices are used in pairs. The integral positioning devices are pre-placed 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 center and low sides, which makes the fit more reliable.

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

[0042] The sides of the protruding area 8 of the motherboard 1 correspond to the sides of the surface protrusions 6, and the heat pipes 3, which are alternately connected by the heat dissipation belts 4, are placed on the sides of the protruding area 8 and the sides of the surface protrusions 6 of the motherboard 1. This shows that the sides of the protruding area 8 and the sides of the surface protrusions 6 cooperate with each other, and the heat pipes 3 cooperate with the sides of the protruding area 8 and the sides of the surface protrusions 6 of the motherboard 1.

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

[0044] The core further comprises side plates 5, and the heat dissipation pipes 3 and the side plates 5 are alternately connected via heat dissipation belts 4, which can further enhance heat dissipation.

[0045] The side panels 5 are located outside the core body, and the ends of the side panels 5 are connected to the protrusions at the ends of the main board 1 .

[0046] The heat dissipation pipes 3 alternately connected to the side panels 5 via 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 protect the heat dissipation pipes 3 in the core.

[0048] In this embodiment, the heat dissipation tubes 3 and the mainboard 1 of the core are fixed and clamped by an integral positioning device used in pairs, making assembly accurate and reliable, improving the integrity and flatness of the core, and enhancing the airtightness of the buckle press. This prevents the heat dissipation tubes from easily falling off, and after the core is assembled, the heat dissipation tubes extend to a consistent length. This places the mainboard and the heat dissipation tubes at the optimal welding surface, resulting in good weld formability, a reduced repair rate, and improved first-pass brazing quality. The repair rate has dropped from 11% to 1.2%, while the first-pass brazing quality has increased from 89% to 98.5%. The heat dissipation tubes are of uniform length and have small dimensional deviations. The brazed product is aesthetically pleasing and neatly organized, and the core buckle press air chamber airtightness test pass rate is 98%. Production costs have been reduced, with the labor cost per unit reduced from 13.15 yuan to 11.75 yuan. Based on an annual production of 20,000 heaters, an estimated savings of 28,000 yuan is expected.

[0049] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection 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 integral positioning device is provided with a surface protrusion (6) on the side facing the core body, and the integral positioning device is provided with positioning blocks (2) on the four sides of the surface facing the core body; the positioning blocks (2) cooperate 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), thereby realizing 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 devices are used in pairs.

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 further comprises 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 mainboard (1) correspond to the two sides of the surface protrusion (6), and the heat dissipation pipes (3) alternately connected through the heat dissipation belts (4) are respectively placed on the two sides of the protruding area (8) of the mainboard (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 panels (5) are located outside the core body, and the ends of the side panels (5) are connected to the protrusions at the ends of the main panels (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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