Welding positioning device for automobile air conditioner condenser

Abstract

The utility model discloses a welding positioning device for an automobile air conditioner condenser, and belongs to the technical field of air conditioner condenser production and processing. The device comprises a mounting platform, a first limiting mechanism and a second limiting mechanism, wherein the first limiting mechanism and the second limiting mechanism are arranged on the mounting platform; wherein the first limiting mechanism is used for limiting from the two ends of the collecting pipe; a first limiting block of the second limiting mechanism is provided with a limiting boss used for clamping a mounting groove in the fixing support. The second limiting block is provided with a first limiting groove allowing the inlet and outlet pressing plate to be clamped in. And the third limiting block is provided with a second limiting groove which is used for supporting the supercooling pipe and axially limiting the supercooling pipe from the end part. According to the utility model, through the mutual cooperation of the first limiting mechanism and the second limiting mechanism, each local position of the condenser can be effectively limited and supported, so that the stability of each part of the condenser in the welding process is ensured, and the welding quality is ensured.

Description

Technical Field

[0001] This utility model belongs to the field of air conditioner condenser manufacturing and processing technology, and more specifically, relates to a welding positioning device for automotive air conditioner condensers. Background Technology

[0002] An automotive condenser is a component of an automotive refrigeration system. It's a heat exchanger that cools the high-temperature superheated refrigerant vapor discharged from the compressor into a liquid state. Automotive condensers generally consist of components such as fins, flat tubes, manifolds, inlet and outlet pressure plates, and mounting brackets. Some automotive condensers are also equipped with subcooling pipes for further cooling the already cooled refrigerant, bringing its temperature below the saturation temperature, thereby improving the efficiency and stability of the refrigeration system.

[0003] The manufacturing process of condensers generally follows a sequence of component assembly followed by welding; that is, the various components are first assembled, and then the connections between the components are welded to complete the overall assembly of the condenser. During the welding process, welding positioning fixtures are typically used to ensure the stability of the condenser and guarantee welding accuracy. For example, patent CN116713667A discloses an automotive condenser welding device. In this application, a drive unit is installed on a worktable, and the drive unit drives a positioning fixture to clamp the product before the welding operation is performed.

[0004] For example, patent CN215509721U discloses a welding fixture for processing vehicle air conditioner condensers. In this application, L-shaped positioning blocks are used to fix both sides of the other end of the condenser, thereby fixing condensers of different sizes to complete the processing, eliminating the cost of manufacturing special fixtures and reducing the development cycle.

[0005] The above applications all involve technical improvements to welding fixtures for air conditioner condensers, but they can only limit the overall position of the condenser. They cannot provide adequate limiting support for certain local locations (e.g., inlet / outlet pressure plates, fixed supports, and subcooling pipes), thus affecting the accuracy of the welding process. Therefore, providing a welding positioning device that can effectively limit and support various local locations of the condenser to ensure the final welding quality is of significant practical production importance. Utility Model Content

[0006] 1. The problem to be solved

[0007] Existing condenser welding fixtures cannot effectively limit and support various local positions of the condenser, thus affecting welding accuracy. This invention provides a welding positioning device for automotive air conditioning condensers. By setting individual clamping mechanisms at the locations of each component, effective limiting of all condenser components can be achieved, ensuring the final welding quality.

[0008] 2. Technical Solution

[0009] To solve the above problems, the technical solution adopted by this utility model is as follows:

[0010] This utility model discloses a welding positioning device for automotive air conditioning condensers, including an installation platform and a first limiting mechanism disposed on the installation platform. The first limiting mechanism is used to limit the condenser from both ends, and the installation platform is also provided with a second limiting mechanism for limiting the condenser from both sides.

[0011] The second limiting mechanism includes a first base and a second base arranged opposite to each other; the first base is provided with a first limiting block and a second limiting block; the second base is provided with a first limiting block and a third limiting block; wherein,

[0012] The first limiting block is provided with a limiting boss for the mounting groove on the fixed bracket to be engaged;

[0013] The second limiting block is provided with a first limiting groove for the inlet and outlet pressure plates to be inserted into;

[0014] The third limiting block is provided with a second limiting groove for supporting the subcooled tube and axially limiting it from the end.

[0015] In some embodiments, the first base and the second base are slidably disposed on the mounting platform, and the sliding directions of the two are the same; the first limiting block, the second limiting block and the third limiting block are slidably disposed on the corresponding base, and the sliding direction is perpendicular to the sliding direction of the base itself.

[0016] In some embodiments, a first mounting seat is slidably provided on the sides of the first base and the second base that are far apart from each other, and the first mounting seat is provided with a clamp for secondary positioning of the fixed bracket that is locked on the limiting protrusion.

[0017] In some embodiments, a second mounting seat is slidably disposed on the second base, and the second mounting seat is provided with a clamp for radially compressing and limiting the subcooled tube, and the compressing end of the clamp is inclined.

[0018] In some embodiments, a support seat is slidably disposed on the first base and the second base; the support seat is used to support the bottom of the manifold.

[0019] In some embodiments, the first mounting base and the first limiting block are connected by a transition block; wherein the first limiting block is disposed in a sliding groove on the corresponding base, and the transition block is located in the gap between the corresponding base and the mounting platform.

[0020] In some embodiments, a protrusion is provided on the side wall of the second limiting block, and the protrusion and the side wall of the second limiting block form the first limiting groove; an L-shaped notch is provided on the third limiting block, and the L-shaped notch forms the second limiting groove.

[0021] In some embodiments, both the first base and the second base are provided with scale markings; the first limit block, the second limit block and the third limit block are all provided with indicator arrows pointing to the scale markings.

[0022] In some embodiments, the first limiting mechanism includes a first sliding block and a second sliding block arranged opposite to each other; wherein the sliding direction of the two sliding blocks is consistent with the sliding direction of the base; and at least one sliding block is slidably provided with a clamp, the sliding direction of which is perpendicular to the sliding direction of the sliding block.

[0023] In some embodiments, the installation platform is provided with a clearance opening and a handle; wherein the clearance opening is located in the area enclosed by the first sliding block, the second sliding block, the first base, and the second base.

[0024] 3. Beneficial effects

[0025] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0026] (1) This utility model provides a welding positioning device for automotive air conditioning condensers, which includes a first limiting mechanism and a second limiting mechanism. The first limiting mechanism limits the manifold, while the first limiting block of the second limiting mechanism limits the fixed bracket, the second limiting block limits the inlet and outlet pressure plates, and the third limiting block limits the subcooling pipe. This ensures that each local part of the condenser is effectively limited and supported, guaranteeing the stability of each component during welding and thus improving welding quality. Furthermore, each limiting component adopts a sliding design, making it suitable for welding positioning operations on condensers of different specifications, greatly improving the versatility of the welding device.

[0027] (2) The welding positioning device for automotive air conditioning condensers of this utility model, through the setting of the first mounting seat, after the fixed bracket is sleeved on the limiting protrusion to complete the first limiting, the clamp on the first mounting seat is used to perform the second limiting from the side of the fixed bracket, thereby further ensuring the stability of the limiting of the fixed bracket.

[0028] (3) The present invention provides a welding positioning device for automotive air conditioning condensers. The clamp on the second mounting base can radially limit the subcooled pipe during the welding process. At the same time, the third limiting block can axially limit the subcooled pipe, which can further ensure the stability of the subcooled pipe during the welding process. Attached Figure Description

[0029] Figure 1 This is a diagram illustrating the working state of a welding positioning device for an automotive air conditioning condenser according to the present invention.

[0030] Figure 2 This is a schematic diagram of the structure of a welding positioning device for an automotive air conditioning condenser according to the present invention;

[0031] Figure 3 for Figure 2 A magnified view of a portion of point A in the middle;

[0032] Figure 4 for Figure 2 A magnified view of a portion of point B in the middle;

[0033] Figure 5 for Figure 2 A magnified view of a portion of point C in the middle;

[0034] Figure 6 This is a schematic diagram showing the connection between the first limiting block and the first mounting base in this utility model;

[0035] Figure 7 This is a schematic diagram of the structure of the second limiting block in this utility model;

[0036] Figure 8 This is a schematic diagram of the structure of the third limiting block in this utility model;

[0037] Figure 9 This is a schematic diagram of the condenser in this utility model.

[0038] In the diagram: 100, condenser; 110, manifold; 120, fins; 130, mounting bracket; 140, inlet / outlet pressure plates; 150, subcooling pipe;

[0039] 200. Installation platform; 210. Clearance opening; 220. Handle;

[0040] 300. First limiting mechanism; 310. First sliding block; 320. Second sliding block;

[0041] 400, Second limiting mechanism; 410a, First base; 410b, Second base; 411, Scale marking; 420, First limiting block; 421, Limiting boss; 430, Second limiting block; 431, First limiting groove; 432, Protrusion; 440, Third limiting block; 441, Second limiting groove; 450, Support base; 460, First mounting base; 470, Second mounting base; 480, Transition block; 490, Locking bolt; 500, Clamp. Detailed Implementation

[0042] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings.

[0043] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0044] like Figure 9 As shown, in this utility model, the condenser 100 to be welded includes a set of manifolds 110 arranged opposite each other, with a series of fins 120 inserted between the two manifolds 110. One manifold 110 is provided with an inlet / outlet pressure plate 140; the other manifold 110 is provided with a subcooling pipe 150. Simultaneously, two fixing brackets 130 are provided on the opposite sides of each of the two manifolds 110, and each fixing bracket 130 has a mounting groove.

[0045] This embodiment provides a welding positioning device for automotive air conditioning condensers. Unlike traditional positioning fixtures, it not only limits the manifolds 110 on both sides, thus achieving overall positioning of the condenser, but also limits the layout of the fixed bracket 130, inlet and outlet pressure plates 140, and subcooling pipe 150, ensuring the stability of each component of the condenser during welding. Furthermore, the limiting mechanisms of each component are adjustable, making it suitable for the positioning requirements of condenser components of different specifications.

[0046] The present invention will be further described below with reference to specific embodiments.

[0047] like Figure 1As shown, this embodiment of a welding positioning device for an automotive air conditioning condenser includes a mounting platform 200 and a first limiting mechanism 300 and a second limiting mechanism 400 disposed on the mounting platform 200. The first limiting mechanism 300 is used to limit the condenser 100 from both ends, while the second limiting mechanism 400 is used to limit the condenser 100 from both sides. It should be noted that the end of the manifold 110 is the end of the condenser 100; and the side of the two manifolds 110 that is furthest from each other is the side of the condenser 100. For ease of description below, [the following will be used as an example]. Figure 2 In this context, the X direction is defined as the length direction of the mounting platform 200, and the Y direction is defined as the width direction of the mounting platform 200.

[0048] Specifically, refer to Figure 2 , Figure 5 As shown, the first limiting mechanism 300 includes two sets of limiting components distributed along the length direction of the mounting platform 200. Each limiting component includes a first sliding block 310 and a second sliding block 320 distributed along the width direction of the mounting platform 200, and both the first sliding block 310 and the second sliding block 320 can slide along the length direction of the mounting platform 200. Simultaneously, at least one sliding block is also provided with a clamp 500, and the clamp 500 can slide along the width direction of the mounting platform 200 on the corresponding sliding block.

[0049] Specifically, in this embodiment, a clamp 500 is provided on the first sliding block 310, which is preferably a quick clamp in the prior art. Of course, the mounting platform 200 also needs to be provided with sliding grooves for the first sliding block 310 and the second sliding block 320; the first sliding block 310 also needs to be provided with a sliding groove for the clamp 500 to slide. Meanwhile, the limiting operation of the sliding block and the clamp 500 after sliding into position can be accomplished by the locking bolt 490. It is also worth mentioning that the sliding method and locking method of other components described below can all adopt the above structure.

[0050] In this embodiment, the second limiting mechanism 400 includes a first base 410a and a second base 410b arranged opposite to each other. Both the first base 410a and the second base 410b are slidably disposed within the mounting groove of the mounting platform 200, and the sliding direction of both is along the length direction of the mounting platform 200.

[0051] like Figure 3 , Figure 6 As shown, the first base 410a is provided with a sliding first limiting block 420 and a second limiting block 430, both sliding in the direction of the width of the mounting platform 200. The first limiting block 420 is used to limit the fixed bracket 130, while the second limiting block 430 is used to limit the inlet and outlet pressure plate 140.

[0052] Specifically, a limiting boss 421 is provided on the top of the first limiting block 420. By engaging the mounting groove on the fixed bracket 130 with the limiting boss 421, the fixed bracket 130 is limited.

[0053] Since there is often a certain assembly gap between the limiting boss 421 and the mounting groove of the fixed bracket 130, the limiting effect of the fixed bracket 130 by the limiting boss 421 alone is not optimal. Therefore, in this embodiment, a first mounting seat 460 is also slidably provided on the outer side wall of the first base 410a. At the same time, a clamp 500 is provided on the first mounting seat 460. After the fixed bracket 130 is fitted onto the limiting boss 421 and completed the first limiting, the clamp 500 is used to perform a second limiting from the side of the fixed bracket 130, which can further ensure the stability of the limiting of the fixed bracket 130. This is obviously beneficial to ensuring the welding accuracy between the fixed bracket 130 and the manifold 110.

[0054] Furthermore, to ensure the synchronization of the sliding of the first mounting base 460 and the first limiting block 420, the first mounting base 460 and the first limiting block 420 can be connected as a single unit by a transition block 480. Preferably, the transition block 480 can be disposed within the gap between the first base 410a and the mounting platform 200.

[0055] In addition, to further improve the stability of the manifold 110 during the welding process, besides using the first limiting mechanism 300 to limit the manifold 110 from both ends, in this embodiment, a support seat 450 is also slidably provided on the inner wall of the first base 410a. This support seat 450 is used to support the bottom of the manifold 110, thereby further ensuring its stability. Preferably, the top of the support seat 450 may have an arc-shaped groove to increase the contact area with the manifold 110. It should be noted that the aforementioned "outer wall" refers to the side of the first base 410a and the second base 410a that are far apart from each other; while the "inner wall" refers to the side of the two bases that are close to each other.

[0056] like Figure 7 As shown, a protrusion 432 is provided on the side wall of the second limiting block 430. The protrusion 432 and the side wall of the second limiting block 430 form a first limiting groove 431 for the inlet / outlet pressure plate 140 to be inserted. Before welding, the position of the second limiting block 430 is adjusted, and then the outlet pressure plate 140 is inserted into the corresponding first limiting groove 431, thereby realizing the limiting operation of the inlet / outlet pressure plate 140.

[0057] This embodiment provides a welding positioning device for automotive air conditioning condensers, such as... Figure 2As shown, a first limiting block 420, a support base 450, and a first mounting base 460 are also slidably disposed on the second base 410b. The specific arrangement of the first limiting block 420, support base 450, and first mounting base 460 is the same as that of the first base 410a, and will not be described again. The difference is that the second base 410b is also slidably disposed on a third limiting block 440, a second mounting base 470, and a clamp 500 disposed on the second mounting base 470. The third limiting block 440 is used to axially limit the supercooled tube 150 located on the side of the second base 410b, while the clamp 500 on the second mounting base 470 is used to radially limit the supercooled tube 150 to ensure the stability of the supercooled tube 150 during welding.

[0058] Specifically, refer to Figure 4 , Figure 8 As shown, an L-shaped notch is formed at the top of the third limiting block 440, which forms a second limiting groove 441. The horizontal section of the second limiting groove 441 is used to support the bottom of the subcooling tube 150, and the vertical section is used to limit the end of the subcooling tube 150.

[0059] The second mounting base 470 is disposed on the outer wall of the second base 410b, and the mounting surface of the second mounting base 470 is inclined, thereby causing the clamp 500 on it to be inclined. Since the subcooling pipe 150 is generally not assembled on the front side of the manifold 110, but rather on the upper side, by tilting the clamp 500, it can be ensured that the force of the clamp 500 is as perpendicular as possible to the assembly surface between the subcooling pipe 150 and the manifold 110, which also helps to ensure the limiting effect. Of course, in order to be able to accommodate the limiting operation of the subcooling pipe 150 at different mounting angles, the tilt angle of the mounting surface of the second mounting base 470 can also be designed to be adjustable. The specific adjustable structure can adopt existing technology, and no specific limitation is made.

[0060] In some embodiments, in order to facilitate the control of the sliding position of each limiting block, scale markings 411 are provided on both the first base 410a and the second base 410b. At the same time, the first limiting block 420, the second limiting block 430 and the third limiting block 440 are provided with indicator arrows pointing to the scale markings 411.

[0061] In some configurations, a handle 220 is provided on the mounting platform 200 to facilitate the removal of the welding positioning device. Additionally, a clearance opening 210 is provided on the mounting platform 200 to reduce its weight and save costs.

[0062] Furthermore, the clearance opening 210 is opened in the area enclosed by the first sliding block 310, the second sliding block 320, the first base 410a, and the second base 410b, so that when the condenser 100 is positioned on the device, the clearance opening 210 can be located directly below the condenser 100, and the lower part of the condenser 100 can be easily welded through the clearance opening 210.

[0063] This embodiment provides a welding positioning device for automotive air conditioning condensers. Through the cooperation of a first limiting mechanism 300 and a second limiting mechanism 400, it can provide limiting support for various components of the condenser 100, such as the manifold 110, fixed bracket 130, inlet and outlet pressure plates 140, and subcooling pipe 150, achieving the effect of limiting support for all components and greatly improving the welding quality of each component. Furthermore, the limiting mechanisms for each component are all adjustable, thus adapting to the limiting requirements of condenser components of different specifications.

[0064] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the figures shown are only one embodiment of the present invention; the actual structure is not limited thereto. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A welding positioning device for a condenser of an automobile air conditioner, comprising a mounting platform (200) and a first limiting mechanism (300) arranged on the mounting platform (200), the first limiting mechanism (300) being used for limiting from both ends of a condenser (100), characterized in that: The mounting platform (200) is further provided with a second limiting mechanism (400) for limiting from both sides of the condenser (100); The second limiting mechanism (400) comprises a first base (410a) and a second base (410b) arranged oppositely; the first base (410a) is provided with a first limiting block (420) and a second limiting block (430); the second base (410b) is provided with a first limiting block (420) and a third limiting block (440); wherein, The first limiting block (420) is provided with a limiting boss (421) for clamping the mounting groove on the fixed support (130); The second limiting block (430) is provided with a first limiting groove (431) for clamping the inlet and outlet pressing plate (140); The third limiting block (440) is provided with a second limiting groove (441) for supporting the supercooling pipe (150) and axially limiting from the end.

2. A welding positioning device for a condenser of an air conditioner of an automobile according to claim 1, characterized in that: The first base (410a) and the second base (410b) are slidingly arranged on the mounting platform (200), and the sliding directions of the two are consistent; the first limiting block (420), the second limiting block (430) and the third limiting block (440) are slidingly arranged on the corresponding bases, and the sliding directions thereof are perpendicular to the sliding directions of the bases themselves.

3. A welding positioning device for a condenser of an air conditioner of an automobile according to claim 2, characterized in that: The side surfaces of the first base (410a) and the second base (410b) away from each other are slidingly provided with a first mounting seat (460), and the first mounting seat (460) is provided with a clamp (500) for second limiting the fixed support (130) clamped on the limiting boss (421).

4. A welding positioning device for a condenser of an air conditioner of an automobile according to claim 3, characterized in that: The second base (410b) is slidingly provided with a second mounting seat (470), and the second mounting seat (470) is provided with a clamp (500) for radially extruding and limiting the supercooling pipe (150), and the extruding end of the clamp (500) is inclined.

5. A welding positioning device for a condenser of an air conditioner of a vehicle according to any one of claims 1 to 4, characterized in that: The first base (410a) and the second base (410b) are further slidingly provided with a support seat (450); the support seat (450) is used for supporting from the bottom of the collecting pipe (110).

6. A welding positioning device for a condenser of an air conditioner of an automobile according to claim 3, wherein: The first mounting seat (460) and the first limiting block (420) are connected through a transition block (480); wherein, the first limiting block (420) is arranged in a sliding groove on the corresponding base, and the transition block (480) is located in the gap between the corresponding base and the mounting platform (200).

7. A welding fixture for use in the manufacture of an automotive air conditioner condenser as defined in claim 1, wherein: A lug (432) is arranged on the side wall of the second limiting block (430), and the lug (432) and the side wall of the second limiting block (430) form the first limiting groove (431); an L-shaped notch is formed on the third limiting block (440), and the L-shaped notch forms the second limiting groove (441).

8. A welding positioning device for a condenser of an automotive air conditioner according to claim 7, wherein: The first base (410a) and the second base (410b) are both provided with scale marks (411); the first limiting block (420), the second limiting block (430) and the third limiting block (440) are all provided with indicating arrows pointing to the scale marks (411).

9. A welding fixture for use in the manufacture of an automotive air conditioner condenser as defined in claim 2, wherein: The first limiting mechanism (300) comprises oppositely arranged first and second sliding blocks (310, 320); the sliding directions of the two sliding blocks are consistent with the sliding direction of the base; and at least one sliding block is provided with a clamp (500) slidingly arranged thereon, and the sliding direction of the clamp (500) is perpendicular to the sliding direction of the sliding block.

10. A welding positioning device for a condenser of an automotive air conditioner according to claim 9, wherein: The mounting platform (200) is provided with an avoiding opening (210), and the mounting platform (200) is further provided with a handle (220); the avoiding opening (210) is located in the area surrounded by the first sliding block (310), the second sliding block (320), the first base (410a) and the second base (410b).

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