Blowing cavity and welding protection device

Abstract

The utility model provides a blowing cavity and a welding protection device, and relates to the technical field of welding tools. The air blowing cavity comprises a first wall face and a second wall face. The blowing cavity is provided with a plurality of airflow channels and a plurality of welding channels, the airflow channels are located between the first wall face and the second wall face, the welding channels penetrate through the first wall face and the second wall face, the first wall face is provided with a plurality of air inlets, the air inlets are communicated with the airflow channels in a one-to-one correspondence mode, and the welding channels are provided with air outlets. The air outlet is communicated with the airflow channel. Therefore, in the welding process, the multiple electromagnetic valves can be controlled to input the protective gas into the different air inlet holes according to the welding condition, and the protective gas flows out of the air outlet holes along the airflow channel and is finally blown into the welding channel which is conducting welding operation, so that synchronous or successive blowing of the multiple welding channels according to the process requirement is achieved, and the welding efficiency is improved. Therefore, the welding efficiency is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of welding tooling technology, and more specifically, to an air blowing chamber and a welding protection device. Background Technology

[0002] In the welding process, inert gas is typically used to protect the welding area from oxidation, thus ensuring that the weld quality is not affected by oxygen. Currently, most manufacturers achieve this by using a universal air blower to directly blow air into the welding area.

[0003] However, this method has significant technical limitations. Due to the large size of the universal air blower, simultaneous multi-point air blowing is impossible, necessitating frequent adjustments to the air blowing position when welding different areas. Secondly, manually adjusting the air blowing position after changing welding areas easily leads to deviations in the air blowing angle and distance, further increasing the instability of the welding process. These technical defects not only reduce welding efficiency but also significantly increase the defect rate, adversely affecting welding quality and production costs. Utility Model Content

[0004] The purpose of this invention is to provide an air blowing chamber and a welding protection device, which can achieve multi-point precise air blowing and reduce adjustment time, thereby improving welding stability and meeting the needs of modern industry for high-precision welding technology.

[0005] The embodiments of this utility model are implemented as follows:

[0006] In a first aspect, the present invention provides an air blowing cavity, the air blowing cavity comprising a first wall surface and a second wall surface;

[0007] The air blowing chamber is provided with multiple airflow channels and multiple welding channels. The airflow channels are located between the first wall and the second wall. The welding channels pass through the first wall and the second wall. The first wall is provided with multiple air inlets, which are connected to the multiple airflow channels one by one. Each of the multiple welding channels is provided with an air outlet, which is connected to the airflow channels.

[0008] In an optional embodiment, the number of air outlets is at least two, and the at least two air outlets are arranged opposite to each other in the welding channel. One end of the air flow channel is connected to one of the air inlets, and the other end is branched to be connected to at least two air outlets respectively.

[0009] In an optional embodiment, the vent includes at least two first air vents, the welding channel has a strip-shaped outline on the plane containing the first wall or the second wall, and the at least two first air vents are disposed opposite each other on both sides of the length direction of the welding channel.

[0010] In an optional embodiment, the vent hole includes at least two second air vents, the welding channel has a strip-shaped outline on the plane where the first wall or the second wall is located, and at least one of the welding channels has at least two second air vents on both sides in the width direction.

[0011] In an optional embodiment, a partition is further provided inside the second air blowing hole, the partition dividing the second air blowing hole into two holes.

[0012] In an optional embodiment, the welding channel with the second air blowing hole is connected to at least two airflow channels.

[0013] In an optional embodiment, the vent is inclined toward the second wall surface.

[0014] In an optional embodiment, the air-blowing chamber further includes a positioning post, and the second wall surface is provided with a mounting hole, the positioning post being disposed in the mounting hole and extending out of the second wall surface.

[0015] Secondly, this utility model provides a welding protection device, including a main pipe, a manifold, multiple solenoid valves, multiple air inlet pipes, and an air blowing chamber as described in any of the foregoing embodiments. The main pipe is connected to the manifold and is used to input protective gas into the manifold. The multiple solenoid valves are disposed on the manifold. One end of each of the multiple air inlet pipes is connected to a corresponding air inlet hole, and the other end is connected to a corresponding solenoid valve.

[0016] In an optional embodiment, the welding protection device further includes a base for placing the workpiece to be welded, the base being provided with a positioning hole, the air blowing chamber further including a positioning post, the second wall surface being provided with a mounting hole, the positioning post being disposed in the mounting hole and extending out of the second wall surface to be embedded in the positioning hole.

[0017] The beneficial effects of the air-blowing chamber and welding protection device provided in this embodiment include: protective gas is introduced into different air inlets according to the welding conditions, and the protective gas flows out from the air outlet along the airflow channel, ultimately blowing into the welding channel where welding is being performed. This allows multiple welding channels to be blown synchronously or sequentially according to process requirements, effectively protecting the welding process in multiple welding channels and thus improving welding efficiency. Furthermore, since the welding positions of batches of workpieces to be welded are fixed, by corresponding the multiple welding channels of the air-blowing chamber to the multiple welding positions of the workpieces, the air-blowing position and angle of the welding channels can be relatively fixed, effectively reducing the debugging time required for each welding operation and further improving welding efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A schematic diagram of the welding protection device provided in this embodiment of the utility model;

[0020] Figure 2 This is a first-view structural diagram of the air-blowing chamber provided in an embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram of the second-view structure of the air blowing chamber provided in an embodiment of the present utility model;

[0022] Figure 4 A perspective view of the air blowing chamber provided in an embodiment of this utility model;

[0023] Figure 5 A first-view cross-sectional view of the air-blowing chamber provided in an embodiment of this utility model;

[0024] Figure 6 A partial cross-sectional view of the air blowing chamber provided in an embodiment of this utility model;

[0025] Figure 7 A schematic diagram of the air blowing chamber and base structure provided in the embodiment of this utility model.

[0026] Icons: 10-Welding protection device; 100-Blowing chamber; 110-First wall surface; 120-Second wall surface; 130-Airflow channel; 140-Welding channel; 150-Air inlet; 160-Air outlet; 161-First blowing hole; 162-Second blowing hole; 163-Separation part; 170-Positioning post; 180-Mounting hole; 200-Main pipe; 300-Manifold; 400-Solenoid valve; 500-Air inlet pipe; 600-Base; 610-Positioning hole. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0029] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0030] 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., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They 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. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0031] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] In the welding process, inert gas is typically used to protect the welding area from oxidation, thus ensuring that the weld quality is not affected by oxygen. Currently, most manufacturers achieve this by using a universal air blower to directly blow air into the welding area.

[0034] However, this method has significant technical limitations. Due to the large size of the universal air blower, simultaneous multi-point air blowing is impossible, requiring frequent adjustments to the air blowing position when welding different areas. Secondly, manually adjusting the air blowing position after changing welding areas easily leads to deviations in the air blowing angle and distance, further increasing the instability of the welding process. These technical defects not only reduce welding efficiency but also significantly increase the defect rate, adversely affecting welding quality and production costs. Therefore, there is an urgent need for a new type of welding protection device that can solve the above problems, achieving multi-point precise air blowing, reducing adjustment time, and improving welding stability, thereby meeting the demands of modern industry for high-precision welding technology.

[0035] To address the problems existing in the prior art, this utility model provides a welding protection device applicable to workpiece welding, particularly suitable for welding processes of electronic products such as mobile phones. The welding protection device provided by this utility model enables multi-point precise air blowing and reduces adjustment time, thereby improving welding stability and meeting the demands of modern industry for high-precision welding technology.

[0036] Please see Figures 1 to 6 The welding protection device 10 includes an air blowing chamber 100, a main pipe 200, a manifold 300, multiple solenoid valves 400, and multiple air inlet pipes 500.

[0037] In this embodiment, the main pipe 200 is connected to the manifold 300 for inputting protective gas into the manifold 300. Multiple solenoid valves 400 are disposed in the manifold 300. One end of multiple air inlet pipes 500 is connected to multiple air inlet holes 150 in a one-to-one correspondence, and the other end is connected to multiple solenoid valves 400 in a one-to-one correspondence.

[0038] By connecting multiple solenoid valves 400 to multiple air inlets 150 of the air blowing chamber 100 one by one, the air flow rate entering each corresponding air inlet 150 can be independently controlled by multiple solenoid valves 400, thereby automatically blowing air into multiple welding areas according to welding requirements, effectively improving welding efficiency.

[0039] In practical applications, the solenoid valve 400 can be controlled by a programmable controller. Therefore, during the welding process, the programmable controller can be used to control the ventilation of different air inlet pipes 500 according to the welding sequence, so that the protective gas is input to the corresponding air inlet 150 and finally blows the gas into the welding area corresponding to the welding channel 140, thereby isolating the oxygen in the welding area and achieving a good welding effect.

[0040] It should be noted that the protective gas supplied by the main pipe 200 to the manifold 300 can be, but is not limited to, argon.

[0041] Furthermore, as shown in the figure, the air blowing chamber 100 includes a first wall surface 110 and a second wall surface 120.

[0042] The air blowing chamber 100 is provided with multiple airflow channels 130 and multiple welding channels 140. The airflow channels 130 are located between the first wall surface 110 and the second wall surface 120. The welding channels 140 penetrate the first wall surface 110 and the second wall surface 120. The first wall surface 110 is provided with multiple air inlets 150, which are connected to the multiple airflow channels 130 one by one. Each of the multiple welding channels 140 is provided with an air outlet 160, which is connected to the airflow channel 130.

[0043] In this embodiment, the first wall surface 110 is used to install the air inlet pipe 500, and the second wall surface 120 faces the workpiece to be welded. The welding protection device 10 also includes a base 600, which is used to place the workpiece to be welded. Therefore, in practical applications, after the workpiece to be welded is placed on the base 600, the air blowing chamber 100 is placed on the workpiece to be welded, and the welding channel 140 is aligned with the welding part of the workpiece to be welded, so that the welding channel 140 is exposed at the welding part, thereby facilitating welding equipment to perform welding from the welding channel 140.

[0044] Therefore, during the welding process, multiple solenoid valves 400 can be controlled to input protective gas into different air inlets 150 according to the welding conditions, and the protective gas can flow out from the air outlet 160 along the airflow channel 130 and finally blow into the welding channel 140 where the welding operation is underway. This allows multiple welding channels 140 to blow gas synchronously or sequentially according to process requirements, thereby effectively improving welding efficiency.

[0045] It is understandable that since the welding parts of a batch of workpieces to be welded are fixed, the air blowing chamber 100 provided by this utility model corresponds one-to-one with the multiple welding parts of the workpieces to be welded through multiple welding channels 140, thereby achieving the purpose of fixing the air blowing position and air blowing angle, thus effectively reducing the debugging time for each welding.

[0046] In addition, the solenoid valve 400 can be controlled to prevent the input of protective gas into the air inlet 150 corresponding to the welding channel 140 where no welding operation has been performed, thus avoiding ineffective blowing and waste of resources.

[0047] It should also be noted that the air blowing chamber 100 is manufactured using 3D printing technology, which increases the design freedom of the air blowing chamber 100 and reduces the processing cost.

[0048] Furthermore, in order to ensure that the protective gas blown out of the vent 160 into the welding channel 140 can effectively fill the welding channel 140 to play a protective role, the number of vent 160 is at least two, and the at least two vent 160 are arranged opposite to each other in the welding channel 140. One end of the airflow channel 130 is connected to one of the air inlets 150, and the other end is branched to be connected to at least two vent 160 respectively.

[0049] Specifically, as shown in the figure, the air blowing chamber 100 provided in this embodiment is provided with 5 welding channels 140. The 5 welding channels 140 have different structures and correspond to 5 welding parts of the workpiece to be welded. Among them, each of the 4 welding channels 140 is provided with two oppositely arranged air outlets 160.

[0050] In detail, the air outlet 160 includes at least two first air outlets 161 and at least two second air outlets 162.

[0051] The welding channel 140 has a strip-shaped outline on the plane where the first wall surface 110 or the second wall surface 120 is located, and at least two first air holes 161 are arranged opposite each other on both sides of the length direction of the welding channel 140.

[0052] Since the air blowing chamber 100 is usually placed horizontally in the working state, the first wall surface 110 and the second wall surface 120 are parallel to the horizontal plane in this case. That is, the projection of the welding channel 140 on the horizontal plane is elongated, and there are two first air blowing holes 161, which are located at both ends of the length of the elongated structure of the welding channel 140.

[0053] Since the length of the elongated structure of the welding channel 140 is much greater than its width, the protective gas blown out by the first air holes 161 on both sides may not be able to completely cover the welding area corresponding to the entire welding channel 140. Therefore, at least one welding channel 140 is provided with at least two second air holes 162 on both sides in the width direction.

[0054] In this embodiment, as shown in the figure, a welding machine channel has multiple second air holes 162 on both sides in the width direction, so that the protective gas blown out by the first air hole 161 and the second air hole 162 covers the welding area corresponding to the entire welding channel 140, thereby effectively playing a protective role.

[0055] Of course, in other embodiments of this utility model, only the second air hole 162 may be provided.

[0056] Furthermore, a partition 163 is provided inside the second air hole 162, which divides the second air hole 162 into two holes.

[0057] In this embodiment, the partition 163 can divide the blown protective gas into multiple airflow directions, thereby further ensuring that the protective gas can evenly cover the welding area corresponding to the welding channel 140, thereby improving the protection effect and avoiding the problem of uneven protection caused by concentrated airflow.

[0058] Furthermore, the design of the partition 163 effectively reduces airflow turbulence, making the blown gas more stable and further reducing the impact of external interference on the welding area.

[0059] Furthermore, the welding channel 140, which is provided with a second air blowing hole 162, is connected to at least two airflow channels 130.

[0060] In other words, since the welding channel 140 has a large number of second air holes 162, the air volume delivered by one air flow channel 130 may be insufficient. Therefore, at least two air flow channels 130 are connected to the welding channel 140 with the second air holes 162.

[0061] As shown in the figure, in this embodiment, the branch channels of the two airflow channels 130 merge and are connected to a plurality of first air blowing holes 161 and a plurality of second air blowing holes 162, thereby ensuring that the airflow in the welding channel 140 can effectively play a protective role.

[0062] To further improve the blowing effect of air into the welding area corresponding to the welding channel 140, the air outlet 160 is inclined in the direction toward the second wall surface 120.

[0063] Therefore, the protective gas can be blown out along the extension direction of the vent 160 toward the welding area corresponding to the welding channel 140, thereby further ensuring that the blown protective gas can effectively play a protective role.

[0064] Furthermore, such as Figure 7 As shown, the air blowing chamber 100 also includes a positioning post 170, and the second wall surface 120 is provided with a mounting hole 180. The positioning post 170 is disposed in the mounting hole 180 and extends out of the second wall surface 120.

[0065] In this embodiment, the base 600 is provided with a positioning hole 610, and the positioning post 170 is provided in the mounting hole 180 and extends out of the second wall surface 120 to be embedded in the positioning hole 610.

[0066] It is understood that the workpiece to be welded usually has through holes corresponding to the positioning holes 610. Therefore, when the air blowing chamber 100 is placed on the workpiece to be welded, the positioning pin 170 passes through the through holes and positioning holes 610 on the workpiece to be welded in sequence. This not only positions the air blowing chamber 100 but also fixes the workpiece to be welded, so that the workpiece to be welded and the air blowing chamber 100 remain relatively fixed. This is beneficial to the stable progress of the welding operation.

[0067] In summary, this utility model provides a blowing chamber 100 and a welding protection device 10. Protective gas is introduced into different air inlets 150 according to the welding situation, and the protective gas flows out from the air outlet 160 along the airflow channel 130, ultimately blowing into the welding channel 140 where welding is being performed. This allows multiple welding channels 140 to be blown synchronously or sequentially according to process requirements, effectively protecting the welding process in multiple welding channels 140 and thus improving welding efficiency. Furthermore, since the welding positions of batches of workpieces to be welded are fixed, by corresponding the multiple welding channels 140 of the blowing chamber 100 to the multiple welding positions of the workpieces, the blowing position and blowing angle of the welding channels 140 can be relatively fixed, effectively reducing the debugging time required for each welding operation and further improving welding efficiency.

[0068] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An air-blowing cavity, characterized in that, The air blowing chamber includes a first wall and a second wall; The air blowing chamber is provided with multiple airflow channels and multiple welding channels. The airflow channels are located between the first wall and the second wall. The welding channels pass through the first wall and the second wall. The first wall is provided with multiple air inlets, which are connected to the multiple airflow channels one by one. Each of the multiple welding channels is provided with an air outlet, which is connected to the airflow channels.

2. The air-blowing chamber according to claim 1, characterized in that, The number of air outlets is at least two, and the at least two air outlets are arranged opposite to each other in the welding channel. One end of the air flow channel is connected to one of the air inlets, and the other end is branched to be connected to at least two air outlets respectively.

3. The air-blowing chamber according to claim 2, characterized in that, The air outlet includes at least two first air blowing holes. The welding channel has a strip-shaped outline on the plane where the first wall or the second wall is located. The at least two first air blowing holes are arranged opposite each other on both sides of the length direction of the welding channel.

4. The air-blowing chamber according to claim 3, characterized in that, The air outlet includes at least two second air blowing holes. The welding channel has a strip-shaped outline on the plane where the first wall or the second wall is located. At least one of the welding channels has at least two second air blowing holes on both sides in the width direction.

5. The air-blowing chamber according to claim 4, characterized in that, A partition is also provided inside the second air blowing hole, which divides the second air blowing hole into two holes.

6. The air-blowing chamber according to claim 4, characterized in that, The welding channel with the second air blowing hole is connected to at least two airflow channels.

7. The air-blowing chamber according to any one of claims 1-6, characterized in that, The vent is inclined toward the second wall surface.

8. The air-blowing chamber according to claim 1, characterized in that, The air blowing chamber also includes a positioning post, and the second wall surface is provided with a mounting hole. The positioning post is disposed in the mounting hole and extends out of the second wall surface.

9. A welding protection device, characterized in that, It includes a main pipe, a manifold, multiple solenoid valves, multiple air inlet pipes, and an air blowing chamber as described in any one of claims 1-8. The main pipe is connected to the manifold and is used to input protective gas into the manifold. The multiple solenoid valves are disposed on the manifold. One end of each of the multiple air inlet pipes is connected to one of the multiple air inlet holes, and the other end is connected to one of the multiple solenoid valves.

10. The welding protection device according to claim 9, characterized in that, The welding protection device also includes a base for placing the workpiece to be welded. The base is provided with a positioning hole. The air blowing chamber also includes a positioning post. The second wall surface is provided with a mounting hole. The positioning post is disposed in the mounting hole and extends out of the second wall surface to be embedded in the positioning hole.

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