An adaptive welding device for finned heat sink structure and a control method thereof

Abstract

This invention provides an adaptive welding device and control method for a finned heat dissipation structure, relating to the field of welding equipment technology. The adaptive welding device includes a welding torch assembly. The welding torch assembly includes a first fixed base, a first elastic member, a movable base rotatably disposed on the first fixed base, a welding torch component disposed on the movable base, and an abutment member. The first elastic member engages between the first fixed base and the movable base. The first fixed base is provided with a limiting groove. The movable base is provided with a limiting protrusion. The limiting protrusion can be inserted into the limiting groove to limit the rotation angle of the movable base. The welding torch component includes a welding torch head. The welding torch head is inclined. The abutment member is provided with an abutment protrusion. The abutment protrusion is constructed to protrude in the direction inclined towards the welding torch head. The abutment protrusion abuts against the fin to be welded, so that the welding torch head can shift with the deformation of the fin, thereby enabling welding to continue along the weld seam.

Description

Technical Field

[0001] This invention relates to the field of welding equipment technology, and more specifically, to an adaptive welding device with a finned heat dissipation structure and its control method. Background Technology

[0002] Finned radiators are a common structure in the radiator industry. This structure involves welding multiple radiator fins to a base in parallel at intervals.

[0003] In some finned heat sinks, the fins are relatively thin and are prone to deformation during the manufacturing process. This can lead to incomplete welding if the fins deform towards the side away from the welding gun during automatic welding, and burn-through if the fins deform towards the side closer to the welding gun.

[0004] In view of this, the applicant hereby submits this application after studying the existing technology. Summary of the Invention

[0005] The present invention provides an adaptive welding device and control method for a finned heat dissipation structure, which aims to improve at least one of the above-mentioned technical problems.

[0006] In a first aspect, the present invention provides an adaptive welding device with a finned heat dissipation structure, which includes a welding torch assembly.

[0007] The welding torch assembly includes a first fixed base, a first elastic element, a movable base rotatably disposed on the first fixed base, a welding torch component disposed on the movable base, and an abutment element.

[0008] The first elastic element engages between the first fixed seat and the movable seat to be compressed when the abutment is pressed, and to drive the movable seat to return to its original position.

[0009] The first fixed seat is provided with a limiting groove. The movable seat is provided with a limiting protrusion. The limiting protrusion can be inserted into the limiting groove to limit the rotation angle of the movable seat.

[0010] The welding torch component includes a welding torch head. The welding torch head is inclined.

[0011] The abutment member is provided with an abutment protrusion. The abutment protrusion is constructed to protrude in a direction inclined towards the welding torch head. The abutment protrusion is used to abut against the fin to be welded, so that the welding torch head can shift with the deformation of the fin, thereby enabling welding to continue along the weld seam.

[0012] Secondly, the present invention provides a control method for an adaptive welding device with a finned heat dissipation structure, used to control an adaptive welding device with a finned heat dissipation structure as described in any paragraph of the first aspect. The control method includes:

[0013] The external device is controlled to move the welding torch assembly along the weld seam trajectory at a first preset distance from the weld seam in order to perform the first weld on the base.

[0014] An external device is controlled to move a welding torch assembly along the weld seam trajectory at a second preset distance from the weld seam in order to weld the weld seam. The second preset distance is less than the first preset distance.

[0015] Thirdly, the present invention provides a control method for an adaptive welding device with a finned heat dissipation structure, used to control an adaptive welding device with a finned heat dissipation structure as described in any paragraph of the first aspect. The control method includes:

[0016] The first motor is controlled to drive the sliding seat to move, so as to adjust the interval between the two welding gun assemblies to a third preset distance.

[0017] The external equipment is controlled to move the welding gun assembly along the weld seam trajectory, so that the welding gun assembly moves at a first preset distance from the weld seam, thereby performing the first welding on the base.

[0018] The first motor is controlled to drive the sliding seat to move, thereby adjusting the interval between the two welding torch assemblies to a fourth preset distance. This fourth preset distance is less than the third preset distance.

[0019] The external device is controlled to move the welding torch assembly along the weld seam trajectory, so that the welding torch assembly moves at a second preset distance from the weld seam, thereby welding the weld seam. The second preset distance is less than the first preset distance.

[0020] By adopting the above technical solution, the present invention can achieve the following technical effects:

[0021] The welding torch assembly of this invention can adaptively adjust the position of the welding torch head according to the deformation of the fins, so that the welding torch head always moves along the weld seam, avoiding the situation of welding through the fins or missing welds, which has great practical significance. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0023] Figure 1 This is an isometric view of the adaptive welding device.

[0024] Figure 2This is an exploded view of the adaptive welding device.

[0025] Figure 3 This is an isometric view of the welding torch assembly in the first direction.

[0026] Figure 4 This is an isometric view of the welding torch assembly in the second direction.

[0027] Figure 5 This is an exploded view of the welding torch assembly.

[0028] The markings in the diagram are: 1-Second fixed seat, 2-Sliding seat, 3-Insulating pad, 4-Insulating bolt sleeve, 5-Third fixed seat, 6-First elastic element, 7-Limiting protrusion, 8-Abutting protrusion, 9-Abutting element, 10-Welding gun head, 11-Welding gun component, 12-Shaping part, 13-Modible seat, 14-Limiting groove, 15-First fixed seat, 16-Welding gun cable. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. 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. 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 represents 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.

[0030] Example 1, by Figures 1 to 5 As shown, this embodiment of the invention provides an adaptive welding device with a finned heat dissipation structure, which includes a welding torch assembly. The welding torch assembly includes a first fixed base 15, a first elastic member 6, a movable base 13 rotatably disposed on the first fixed base 15, a welding torch component 11 disposed on the movable base 13, and an abutment member 9.

[0031] The first elastic member 6 engages between the first fixed seat 15 and the movable seat 13, and is compressed when the abutment member 9 is pressed, and is used to drive the movable seat 13 to return to its original position. The first fixed seat 15 is provided with a limiting groove 14. The movable seat 13 is provided with a limiting protrusion 7. The limiting protrusion 7 can be inserted into the limiting groove 14 to limit the rotation angle of the movable seat 13.

[0032] It should be noted that the movable seat 13 may not have a limiting protrusion 7, but may instead have a portion of itself embedded in the limiting groove 14. This invention does not specifically limit this, as long as the rotation angle of the movable seat 13 on the first fixed seat 15 is limited, it falls within the protection scope of this invention.

[0033] The welding torch component 11 includes a welding torch head 10. The welding torch head 10 is inclined. The abutment member 9 is provided with an abutment protrusion 8. The abutment protrusion 8 is constructed to protrude in a direction inclined towards the welding torch head 10. The abutment protrusion 8 is used to abut against the fin to be welded, so that the welding torch head 10 can be offset with the deformation of the fin, thereby enabling welding to continue along the weld seam.

[0034] Specifically, the welding torch assembly includes two straight sections at obtuse angles and an arc segment between the two straight sections. The welding torch head 10 is obliquely mounted at the end. The abutment protrusion 8 is configured to be in the same plane as the welding torch head 10 along the direction of the straight sections. Preferably, the abutment protrusion 8 is positioned on the same vertical line as the welding torch head 10 during welding. During welding, the plane of the welding torch assembly is parallel to the fins.

[0035] The working principle of the adaptive welding device in this embodiment of the invention is as follows: Before welding, the abutment protrusion 8 at the end of the welding torch contacts the heat dissipation fins, and the abutment protrusion 8 maintains a light pressure contact with the workpiece contour throughout the process. When the surface of the workpiece has protrusions or depressions, the pressure between the abutment protrusion 8 and the workpiece is converted into spring pressure. When the spring is compressed, the welding torch will swing outward around the rotation axis; conversely, when the pressure of the spring decreases, the welding torch will swing inward around the rotation axis, thereby ensuring that the welding torch head 10 always moves along the weld seam, avoiding the situation of welding through the fins or missing welds, which has great practical significance.

[0036] Based on the above embodiments, in an optional embodiment of the present invention, the adaptive welding apparatus further includes a control component and an external device for moving the welding torch assembly. The control component is electrically connected to the external device. The control component includes a processor and a memory. The processor is configured to execute a computer program in the memory to perform steps S2 and S4.

[0037] S2. Control the external device to move the welding gun assembly along the weld seam trajectory at a first preset distance from the weld seam to perform the first welding on the base.

[0038] S4. Control the external device to move the welding gun assembly along the weld seam trajectory at a second preset distance from the weld seam to perform a second weld. The second preset distance is less than the first preset distance, so that the weld beads of the first weld and the second weld at least partially overlap.

[0039] Preferably, the first preset distance is 1 to 10 mm. The second preset distance is 0 to 5 mm. It is understood that the first and second preset distances can be adjusted to other distances depending on the specifications of the welding torch head 10 and / or the amount of welding wire feed. This invention does not specifically limit this, as long as the first weld is performed at a position far from the weld seam, and then the second weld is performed between the first weld seam and the weld seam (including the weld seam, i.e., the second distance is 0), thereby welding the base, heat dissipation fins and the first weld seam together, it falls within the protection scope of this invention.

[0040] By adding filler at the weld joint through two welding passes, the flow of the filler not only ensures that the weld joint is completely welded, but also effectively avoids missed welds or weld-through of the heat sink fins, which has great practical significance.

[0041] like Figure 1 and Figure 2 As shown, based on the above embodiments, in an optional embodiment of the present invention, the adaptive welding device further includes a second fixed base 1 for engaging with an external device, a sliding base 2 slidably engaged with the second fixed base 1, and a first motor for driving the sliding base 2 to move. The first fixed base 15 is engaged with the sliding base 2. Preferably, there are two sliding bases 2. The first motor is used to drive the two sliding bases 2 to move closer or further apart from each other. The adaptive welding device includes two welding torch assemblies. At least the welding torch head 10, the abutment member 9, the movable seat 13, the elastic member, and the first fixed base 15 are symmetrically arranged between the two welding torch assemblies.

[0042] Specifically, the symmetrically arranged two welding torch assemblies allow for simultaneous welding of both sides of the heat sink fins, significantly improving production efficiency. The spacing between the two welding torch assemblies can be adjusted using the sliding base 2 to accommodate heat sink fins of different specifications, greatly expanding the applicability of the adaptive welding device.

[0043] Based on the above embodiments, in an optional embodiment of the present invention, the adaptive welding apparatus further includes an external device for moving the welding torch assembly, and a control component. The control component is electrically connected to the first motor and the external device. The control component includes a processor and a memory. The processor is configured to execute a computer program in the memory to perform steps S1 to S4.

[0044] S1. Control the first motor to drive the sliding seat 2 to move, so as to adjust the interval between the two welding gun assemblies to a third preset distance.

[0045] S2. Control the external device to move the welding gun assembly along the weld seam trajectory so that the welding gun assembly moves at a first preset distance from the weld seam, thereby performing the first welding on the base.

[0046] S3. Control the first motor to drive the sliding seat 2 to move, so as to adjust the interval between the two welding torch assemblies to a fourth preset distance. The fourth preset distance is less than the third preset distance.

[0047] S4. Control the external device to move the welding gun assembly along the weld seam trajectory, so that the welding gun assembly moves at a second preset distance from the weld seam, thereby welding the weld seam. Wherein, the second preset distance is less than the first preset distance.

[0048] Specifically, performing two welds on both sides of the heat dissipation fins not only improves production efficiency but also effectively avoids missed welds and burn-through of the heat dissipation fins, which has great practical significance.

[0049] like Figures 3 to 5 As shown, in an optional embodiment of the present invention, based on the above embodiments, the welding torch assembly further includes a third fixing seat 5 and a welding torch cable 16. The third fixing seat 5 is used to engage the first fixing seat 15 with the sliding seat 2. The welding torch assembly is generally configured in a J-shape. The welding torch cable 16 is disposed on the side of the third fixing seat 5 away from the welding torch head 10.

[0050] Specifically, the welding torch assembly has a flat structure that extends into the gaps between the heat sink fins to weld them to the base. The J-shaped structure allows for clearance between the heat sink fins.

[0051] like Figure 5 As shown, in an optional embodiment of the present invention, based on the above embodiments, one of the first fixing seat 15 and the third fixing seat 5 is provided with a first circular hole and at least one oblong hole or arc-shaped hole. The other of the first fixing seat 15 and the third fixing seat 5 is provided with a second circular hole and at least one second circular hole. The first circular hole and the second circular hole are adapted to each other, and the second circular hole is adapted to the oblong hole or arc-shaped hole, so that the first fixing seat 15 can be engaged with the third fixing seat 5 by fasteners, and the angle can be adjusted during installation.

[0052] Specifically, the dual-welding-torch structure requires that the welding torch heads 10 of the two torches be aligned during installation in order to weld both sides of the heat sink fins simultaneously. The design of the round and oblong holes allows for fine-tuning of the first mounting base 15 during installation, thus aligning the two welding torch heads 10, which has significant practical value.

[0053] like Figure 2 and Figure 3As shown, in an optional embodiment of the present invention, based on the above embodiments, the bottom of the third fixing seat has an L-shaped structure and is provided with a first bolt through hole. The welding torch assembly also includes an insulating pad 3, an insulating bolt sleeve 4, and an insulating washer. The insulating pad 3 is engaged between the third fixing seat 5 and the sliding seat 2. The insulating pad 3 is provided with a second bolt through hole. The insulating bolt sleeve 4 is embedded in the first bolt through hole and the second bolt through hole. The insulating washer is engaged with the insulating bolt sleeve 4. The third fixing seat is engaged with the sliding seat 2 by bolts passing through the insulating bolt sleeve 4 and the insulating pad 3.

[0054] Specifically, the working current of welding torches is generally large. In order to prevent the current of the welding torch from leaking out from the external equipment of the moving welding torch assembly, the adaptive welding device uses insulating pads 3, insulating bolt sleeves 4 and insulating gaskets to insulate the fixed part of the welding torch assembly. This effectively avoids the risk of damaging external equipment in case of leakage and has great practical significance.

[0055] like Figures 1 to 5 As shown, in an optional embodiment of the present invention, based on the above embodiments, the welding torch assembly further includes a profile member 12 and a fixing member. The profile member 12 engages with the movable seat 13 and is configured to be parallel to the outline of the welding torch member 11. The plane containing the welding torch member 11 and the profile member 12 is parallel to the plane containing the fins. The abutment member 9 and / or the fixing member extend from the profile member 12 along the surface of the welding torch member 11 to at least partially enclose the welding torch member 11.

[0056] Preferably, the contouring part 12 and the abutment part 9 are made of blackened 45 steel. They have good hardness and wear resistance. During the welding process, the abutment protrusion 8 closely fits the contour of the heat sink fins to sense any deviation in the workpiece's contour.

[0057] Specifically, during welding, the abutment protrusion 8 abuts against the heat sink fins. If the abutment part 9 is directly installed on the welding torch body, the welding torch is prone to deformation after prolonged use. Therefore, fixing the welding torch body to the contour part 12 and using the contour part 12 to bear the force avoids the problem of welding torch deformation after prolonged use, which has great practical significance. The welding torch assembly and the contour part 12 are arranged vertically, making its overall structure flat and reducing its thickness, allowing it to extend into narrower gaps in the heat sink fins, greatly expanding the applicability of the adaptive welding device.

[0058] Example 2: This application further provides a control method for an adaptive welding device with a finned heat dissipation structure, used to control an adaptive welding device with a finned heat dissipation structure as described in any paragraph of Example 1. The control method includes:

[0059] The external device is controlled to move the welding torch assembly along the weld seam trajectory at a first preset distance from the weld seam in order to perform the first weld on the base.

[0060] An external device is controlled to move a welding torch assembly along the weld seam trajectory at a second preset distance from the weld seam in order to weld the weld seam. The second preset distance is less than the first preset distance.

[0061] Example 3: This application further provides a control method for an adaptive welding device with a finned heat dissipation structure, used to control an adaptive welding device with a finned heat dissipation structure as described in any paragraph of Example 1. The control method includes:

[0062] The first motor drives the sliding seat 2 to move, so as to adjust the interval between the two welding gun assemblies to a third preset distance.

[0063] The external equipment is controlled to move the welding gun assembly along the weld seam trajectory, so that the welding gun assembly moves at a first preset distance from the weld seam, thereby performing the first welding on the base.

[0064] The first motor drives the sliding seat 2 to move, adjusting the interval between the two welding torch assemblies to a fourth preset distance. This fourth preset distance is less than the third preset distance.

[0065] The external device is controlled to move the welding torch assembly along the weld seam trajectory, so that the welding torch assembly moves at a second preset distance from the weld seam, thereby welding the weld seam. The second preset distance is less than the first preset distance.

[0066] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the invention by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the invention should be included within the scope of protection of the invention.

Claims

1. An adaptive soldering device for finned heat sink structure, characterized by, Includes welding torch assembly; The welding torch assembly includes a first fixed base (15), a first elastic element (6), a movable base (13) rotatably disposed on the first fixed base (15), a welding torch component (11) disposed on the movable base (13), and an abutment element (9). The first elastic element (6) is engaged between the first fixed seat (15) and the movable seat (13) to be compressed when the abutment (9) is pressed, and to drive the movable seat (13) to return to its original position. The first fixed seat (15) is provided with a limiting groove (14); the movable seat (13) is provided with a limiting protrusion (7); the limiting protrusion (7) can be embedded in the limiting groove (14) to limit the rotation angle of the movable seat (13); The welding torch component (11) includes a welding torch head (10); the welding torch head (10) is inclined. The abutting member (9) is provided with an abutting protrusion (8); the abutting protrusion (8) is constructed to protrude in a direction inclined toward the welding gun head (10); the abutting protrusion (8) is used to abut against the fin to be welded so that the welding gun head (10) can be offset with the deformation of the fin, thereby enabling welding to continue along the weld seam. The welding torch assembly also includes a profile (12) and a fixing member; the profile (12) is engaged with the movable seat (13) and is configured to be arranged parallel to the outline of the welding torch member (11); the plane containing the welding torch member (11) and the profile (12) is parallel to the plane containing the fins; The abutment (9) extends from the profile (12) along the surface of the welding torch member (11) to at least partially cover the welding torch member (11).

2. The apparatus according to claim 1, wherein The adaptive welding apparatus further includes a control component and an external device for moving the welding torch assembly; the control component is electrically connected to the external device. The control component includes a processor and a memory; the processor is configured to execute a computer program in the memory to perform the following steps: The external device is controlled to move the welding gun assembly along the weld seam trajectory at a first preset distance from the weld seam in order to perform the first weld on the base; The external device is controlled to move the welding gun assembly along the weld track at a second preset distance from the weld to perform a second weld; wherein the second preset distance is less than the first preset distance, so that the weld bead of the first weld and the weld bead of the second weld at least partially overlap.

3. The apparatus according to claim 1, wherein The adaptive welding device further includes a second fixed base (1) for engaging with an external device, a sliding base (2) slidably engaged with the second fixed base (1), and a first motor for driving the sliding base (2) to move; the first fixed base (15) is engaged with the sliding base (2); The number of sliding seats (2) is two; the first motor is used to drive the two sliding seats (2) to move closer or further apart from each other; The adaptive welding device includes two welding torch assemblies; at least the welding torch head (10), the abutment (9), the movable seat (13), the elastic element and the first fixed seat (15) are symmetrically arranged between the two welding torch assemblies.

4. The apparatus according to claim 3, wherein The adaptive welding apparatus further includes an external device for moving the welding torch assembly, and a control component; the control component is electrically connected to the first motor and the external device. The control component includes a processor and a memory; the processor is configured to execute a computer program in the memory to perform the following steps: Control the first motor to drive the sliding seat (2) to move, so as to adjust the interval between the two welding gun assemblies to a third preset distance; The external device is controlled to move the welding gun assembly along the weld seam trajectory, so that the welding gun assembly moves at a first preset distance from the weld seam, thereby performing the first welding on the base; The first motor is controlled to drive the sliding seat (2) to move, so as to adjust the interval between the two welding gun assemblies to a fourth preset distance; wherein the fourth preset distance is less than the third preset distance; The external device is controlled to move the welding gun assembly along the weld seam trajectory, so that the welding gun assembly moves at a second preset distance from the weld seam, thereby welding the weld seam; wherein, the second preset distance is less than the first preset distance.

5. The apparatus according to claim 3, wherein The welding torch assembly also includes a third fixing seat (5) and a welding torch cable (16); the third fixing seat (5) is used to engage the first fixing seat (15) with the sliding seat (2); The welding torch assembly is generally constructed in a J-shape; the welding torch cable (16) is located on the side of the third mounting base (5) away from the welding torch head (10).

6. The adaptive welding device for a finned heat dissipation structure according to claim 5, characterized in that... One of the first fixing seat (15) and the third fixing seat (5) is provided with a first round hole and at least one waist-shaped hole or arc-shaped hole; The first fixing seat (15) and the third fixing seat (5) are provided with a second round hole, and at least one second round hole; The first round hole and the second round hole are adapted to each other, and the second round hole is adapted to the waist-shaped hole or the arc-shaped hole, so that the first fixing seat (15) can be engaged with the third fixing seat (5) by fasteners, and the angle can be adjusted during installation.

7. The adaptive welding device for a finned heat dissipation structure according to claim 5, characterized in that... The bottom of the third fixing seat (5) is L-shaped and is provided with a first bolt through hole; The welding torch assembly also includes an insulating pad (3), an insulating bolt sleeve (4), and an insulating gasket; the insulating pad (3) is engaged between the third fixed seat (5) and the sliding seat (2); the insulating pad (3) is provided with a second bolt through hole; the insulating bolt sleeve (4) is embedded in the first bolt through hole and the second bolt through hole; the insulating gasket is engaged with the insulating bolt sleeve (4); the third fixed seat (5) is engaged with the sliding seat (2) by bolts passing through the insulating bolt sleeve (4) and the insulating pad (3).

8. An adaptive welding device for a finned heat dissipation structure according to any one of claims 1 to 7, characterized in that... The fastener extends from the profile (12) along the surface of the welding torch member (11) to at least partially cover the welding torch member (11).

9. A control method for an adaptive welding device with a finned heat dissipation structure, used to control the adaptive welding device with a finned heat dissipation structure as described in claim 1, characterized in that... ,Include: The external equipment is controlled to move the welding gun assembly along the weld seam trajectory at a first preset distance from the weld seam in order to perform the first weld on the base; The external device is controlled to move the welding torch assembly along the weld seam trajectory at a second preset distance from the weld seam in order to weld the weld seam; wherein the second preset distance is less than the first preset distance.

10. A control method for an adaptive welding device with a finned heat dissipation structure, used to control the adaptive welding device with a finned heat dissipation structure as described in claim 3, characterized in that... ,Include: Control the first motor to drive the sliding seat (2) to move, so as to adjust the interval between the two welding gun assemblies to a third preset distance; Control the external equipment to move the welding gun assembly along the weld seam trajectory, so that the welding gun assembly moves at a first preset distance from the weld seam, thereby performing the first welding on the base; The first motor drives the sliding seat (2) to move, so as to adjust the interval between the two welding gun assemblies to a fourth preset distance; wherein the fourth preset distance is less than the third preset distance; The external device is controlled to move the welding gun assembly along the weld seam trajectory, so that the welding gun assembly moves at a second preset distance from the weld seam, thereby welding the weld seam; wherein, the second preset distance is less than the first preset distance.

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