Welding device for chip heat sinks

Abstract

The present application relates to the technical field of sheet type radiator welding, and particularly relates to a welding device for sheet type radiator. The technical scheme of the present application is as follows: a conveying frame and a welding head are provided, equidistant lifting grooves are formed in the conveying frame, lifting frames are installed in the lifting grooves, the welding head is installed in the side walls at both ends of the conveying frame, a driving assembly for driving the welding head to move is arranged in the lifting groove and at a position corresponding to the welding head, the lifting frame is divided into a bottom cavity and an upper end cavity by a partition plate, and conveying wheels are arranged on the bottom cavity, the upper end cavity and the side walls of the conveying frame. The present application is provided with multiple lifting frames on the conveying frame, and the heat dissipation fins on the lifting frames can be welded by using the falling of the lifting frames. In subsequent feeding, the lifting frames with different welding positions can be used for welding in sequence, multiple welding positions can be set on the same conveying frame, the work efficiency is improved, and the overall cost is relatively low compared with setting multiple conveying frame lines.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sheet type radiator welding, in particular to a welding device for sheet type radiator. BACKGROUND

[0002] The sheet type radiator is usually stacked by metal heat dissipation fins, and through the mutual connection of the metal fins, a device with a larger heat dissipation surface area is formed, wherein the transformer radiator is combined by two steel plates to form a heat dissipation fin group, and a cavity is arranged in the interior for the cooling flow of transformer oil, and a plurality of heat dissipation fin groups are connected by pipes, and the good heat conduction performance, large heat capacity and high heat dissipation efficiency of the steel plate material can quickly and effectively dissipate heat, and through uniform distribution of heat, high-efficiency heat dissipation is realized, and in the automatic production welding process, each heat dissipation fin group needs to be welded at both ends to ensure the structural strength.

[0003] In the welding process, the welding device is usually installed on the conveying frame, and the welding head added on the conveying frame is used to weld and fix both ends, and the whole process can only be welded at the other end after one end is welded, which has large operation limitations and low work efficiency, and the conveying frame usually only has one welding processing position without any shunting structure, and when the welding length is long, the welding position may be blocked, which needs a long waiting time for welding processing of the next sheet, further reducing the work efficiency, and when the sheet is conveyed, some deviation occurs in the conveying frame, and if calibration and fixation are not performed, the welding position cannot be completely aligned with the welding head, which reduces the overall welding quality. SUMMARY

[0004] The present application aims to provide a welding device for sheet type radiator to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a conveying frame and a welding head are provided, equidistant lifting grooves are formed on the conveying frame, a lifting frame is installed in the lifting groove, the welding head is installed in the side wall at both ends of the conveying frame, a driving assembly for driving the welding head to move is arranged in the lifting groove and corresponds to the position of the welding head, the lifting frame is divided into a bottom cavity and an upper end cavity by a partition plate, the bottom cavity, the upper end cavity and the side wall of the conveying frame are all provided with conveying wheels, the side walls of the conveying frame and the lifting frame are both installed with induction motors for driving the conveying wheels to rotate independently, a lifting assembly for driving the lifting frame to lift is arranged in the lifting groove, and a calibration assembly is arranged in the lifting frame.

[0006] Preferably, the driving assembly comprises a mounting slot, which is arranged in the sidewall of the lifting groove and is aligned with the welding head, a telescopic plate is slidably connected in the mounting slot, a mounting plate is slidably connected at the front end of the telescopic plate, and the welding head is fixed on the mounting plate.

[0007] Preferably, an ejection telescopic cylinder is fixed on the inner sidewall of the mounting slot, the output end of the ejection telescopic cylinder is fixed on the telescopic plate, a threaded rod is rotatably connected in the telescopic plate, a servo motor is arranged on the outer side of the telescopic plate to drive the threaded rod to rotate, and the threaded rod passes through the inner side of the mounting plate and is threadedly connected with the mounting plate.

[0008] Preferably, the lifting assembly comprises a lifting telescopic cylinder and a guide block, the lifting telescopic cylinder is fixed on the bottom of the lifting groove and the output end is fixed on the bottom of the lifting frame, and the guide block is fixed on the outer sidewall of the lifting frame.

[0009] Preferably, the calibration assembly comprises a stop block and a calibration plate, the bottom block is fixed at both ends of the cavity of the lifting frame, the stop block is mounted on the upper end of the bottom block, a cylinder is mounted in the bottom block to drive the stop block to extend and retract, a pair of bottom plates are fixed on the bottom of the lifting frame, and the calibration plate is slidably connected on the bottom plates and is symmetrically distributed.

[0010] Preferably, a driving slot is arranged on the bottom plate, a bidirectional screw rod is rotatably connected in the driving slot, the bottom of the calibration plate is slidably connected in the driving slot, the bidirectional screw rod passes through the calibration plate and is threadedly connected with the calibration plate, and a driving motor is fixed on the outer side of the bottom plate to drive the bidirectional screw rod to rotate.

[0011] Preferably, a controller is mounted on the conveying frame and at a position corresponding to the lifting frame, and an inductor is mounted in the conveying frame and the lifting frame and between the conveying wheels.

[0012] Preferably, an upper end block is fixed on the bottom of the partition plate and at a position corresponding to the bottom block, an extrusion block is mounted on the bottom of the upper end block, and a hydraulic cylinder is mounted in the upper end block to drive the extrusion block to extend and retract.

[0013] Compared with the prior art, the present application has the following advantages:

[0014] 1. A plurality of lifting frames are arranged on the conveying frame, and the heat dissipation fins on the lifting frames can be welded by falling of the lifting frames, and in subsequent feeding, the lifting frames at different welding positions can be used in sequence for welding, so that multiple welding positions are set on the same conveying frame, the work efficiency is improved, and compared with setting multiple conveying frame lines, the overall cost is relatively low.

[0015] 2. During the welding positioning process, the end is limited by a block, and the calibration plate is used to calibrate both sides to ensure the accuracy of the welding position. At the same time, on the same welding lifting frame, two welding heads are used to perform synchronous welding at both ends, which further improves efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a partially cutaway side structure of a welding device for a fin-type radiator according to the present invention;

[0017] Figure 2 It is a schematic diagram of a partial structure of a top view of a welding device for a fin-type radiator of the present invention;

[0018] Figure 3 This is a schematic diagram of the appearance structure of the bottom plate of the welding device for the fin type radiator of the present invention;

[0019] Figure 4 This is a schematic diagram of the combined structure of the telescopic plate and the mounting plate of the welding device for the fin-type radiator of the present invention;

[0020] Figure 5 The present invention is a welding device for a fin type radiator Figure 1 Enlarged structural diagram at point A in the middle.

[0021] In the figure: 1. Conveying rack; 11. Lifting slot; 12. Controller; 2. Lifting rack; 21. Partition; 22. Guide block; 23. Lifting telescopic cylinder; 24. Upper end block; 25. Extrusion block; 26. Bottom block; 27. Stop block; 3. Conveying wheel; 31. Sensor; 4. Welding head; 41. Mounting slot; 42. Telescopic plate; 43. Mounting plate; 44. Ejecting telescopic cylinder; 45. Threaded rod; 46. Servo motor; 5. Bottom plate; 51. Calibration plate; 52. Drive slot; 53. Bidirectional screw; 54. Drive motor. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1-5The application provides a technical scheme: including conveying frame 1 and welding head 4, the conveying frame 1 is equidistantly provided with lifting groove 11, the lifting groove 11 is installed with lifting frame 2, the welding head 4 is installed in the both end side walls of the conveying frame 1, the lifting groove 11 is provided with the drive assembly that drives the welding head 4 to move in the position corresponding with the welding head 4, the lifting frame 2 is divided into bottom cavity and upper end cavity by partition 21, the bottom cavity, the upper end cavity and the side wall of the conveying frame 1 are all provided with conveying wheel 3, the side wall of the conveying frame 1 and the lifting frame 2 is all installed with inductive motor that drives the independent rotation of conveying wheel 3, the lifting groove 11 is provided with the lifting assembly that drives the lifting of the lifting frame 2, the lifting frame 2 is provided with calibration assembly, the conveying frame 1 is all installed with controller 12 in the position corresponding with the lifting frame 2, the conveying frame 1 and the lifting frame 2 are installed with inductor 31 between conveying wheel 3, the bottom of the partition 21 is fixed with upper end block 24 in the position corresponding with bottom block 26, the upper end block 24 is installed with extrusion block 25 in the bottom, the upper end block 24 is installed with hydraulic cylinder that drives the telescopic extrusion block 25.

[0024] The drive assembly includes installation slot 41, the installation slot 41 is opened in the side wall of the lifting groove 11, and the position is aligned with the welding head 4, the telescopic plate 42 is slidably connected in the installation slot 41, the mounting plate 43 is slidably connected at the front end of the telescopic plate 42, the welding head 4 is fixed on the mounting plate 43, the ejection telescopic cylinder 44 is fixed on the output end of the telescopic plate 42, the threaded rod 45 is rotatably connected in the telescopic plate 42, the servo motor 46 is arranged on the outer side of the telescopic plate 42 and drives the threaded rod 45 to rotate, the threaded rod 45 passes through the inner side of the mounting plate 43 and is screw-connected with the mounting plate 43, the welding head 4 can be aligned with the welding position by the telescopic plate 42 and the mounting plate 43 from the installation slot 41 by the driving of the ejection telescopic cylinder 44, and finally the mounting plate 43 and the welding head 4 are driven to linearly slide by the rotation of the threaded rod 45 driven by the servo motor 46 when welding.

[0025] The lifting assembly includes lifting telescopic cylinder 23 and guide block 22, the lifting telescopic cylinder 23 is fixed on the bottom of the lifting groove 11, and the output end is fixed on the bottom of the lifting frame 2, the guide block 22 is fixed on the outer side wall of the lifting frame 2, the side wall of the lifting groove 11 is provided with guide groove matched with the guide block 22, the cooperation of the guide block 22 and the guide groove can ensure that the lifting frame 2 can linearly move up and down.

[0026] The calibration assembly comprises a stopper 27 and a calibration plate 51, the bottom block 26 is fixed at the bottom cavity of the lifting frame 2, the stopper 27 is installed on the upper end of the bottom block 26, the air cylinder for driving the stopper 27 to extend and retract is installed in the bottom block 26, a pair of bottom plates 5 are fixed at the bottom of the lifting frame 2, the calibration plate 51 is slidably connected to the bottom plates 5 and symmetrically distributed, the driving groove 52 is formed in the bottom plate 5, the bidirectional screw rod 53 is rotatably connected in the driving groove 52, the bottom of the calibration plate 51 is slidably connected in the driving groove 52, the bidirectional screw rod 53 penetrates through the calibration plate 51 and is threadedly connected with the calibration plate 51, the driving motor 54 for driving the bidirectional screw rod 53 to rotate is fixed outside the bottom plate 5, the bidirectional screw rod 53 can be driven to rotate by the driving of the driving motor 54, and then the calibration plate 51 performs synchronous reverse movement, so that the fins are aligned and limited to the middle position, and it can be guaranteed that the fins are located at the middle position.

[0027] Working principle: firstly, connect the whole device to the external power supply, during the welding process of the fins, the conveying frame 1 is used to convey the fins, at this time, the position of the fins on the conveying frame 1 can be determined by using the inductor 31, when the fins reach the specified conveying wheel 3 position, the conveying wheel 3 at this position is driven to rotate, without the need to keep all the conveying wheels 3 rotating all the time, so as to achieve the purpose of energy saving, secondly, during welding, the fins will enter the bottom cavity of the lifting frame 2, at this time, the end stopper 27 will be driven to extend from the bottom block 26 by the air cylinder, so as to limit the depth of the fins, when the fins completely enter, the lifting frame 2 can be driven to fall by the driving of the lifting telescopic cylinder 23, until the welding position is aligned with the welding head 4, and then welding operation is performed, at this time, the upper end cavity above the lifting frame 2 is aligned with the conveying position of the conveying frame 1, while welding, it does not affect the normal conveying of other fins, and enters the next lifting frame 2 position for welding operation, by using one conveying frame 1, the purpose of multi-station welding operation is achieved, the waiting time is reduced, and the work efficiency can be greatly improved, before welding, the bidirectional screw rod 53 can be driven to rotate by the driving of the driving motor 54, then the calibration plate 51 performs synchronous reverse movement, so that the fins are aligned and limited to the middle position, it can be guaranteed that the fins are located at the middle position, it is more convenient for the alignment of the welding head 4, and the welding quality is improved, after calibration, the extrusion block 25 can be driven to be ejected by the driving of the hydraulic cylinder, so as to extrude and fix the end of the fin, then the welding head 4 is extended, and the sliding of the welding head 4 outside the telescopic plate 42 is used to realize the purpose of welding at both ends, further improve the work efficiency, and after the welding head 4 is retracted into the mounting groove 41, it does not affect the normal lifting of the lifting frame 2, during the process, the welding head 4 can be aligned with the welding position by the driving of the ejecting telescopic cylinder 44, through the extension of the telescopic plate 42 and the mounting plate 43 from the mounting groove 41, finally, during welding, the threaded rod 45 is driven to rotate by the servo motor 46, so as to drive the mounting plate 43 and the welding head 4 to slide linearly, and the purpose of complete welding is achieved.

[0028] It has to be noted that, in the present document, the terms "first", "second", etc. merely serve to identify different entities or actions from each other, without necessarily requiring or implying any actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] While embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, changes, and variations can be made in the embodiments without departing from the spirit and scope of the present application, which is defined by the appended claims and their equivalents.

Claims

1. A welding device for a fin-type heat sink, comprising a conveyor frame (1) and a welding head (4), characterized in that: The conveying frame (1) is provided with lifting slots (11) at equal intervals, a lifting frame (2) is installed in the lifting slots (11), the welding head (4) is installed in the side walls at both ends of the conveying frame (1), a driving component for driving the welding head (4) to move is provided in the lifting slots (11) and at a position corresponding to the welding head (4), the lifting frame (2) is divided into a bottom cavity and an upper cavity by a partition (21), the bottom cavity, the upper cavity and the side walls of the conveying frame (1) are all provided with conveying wheels (3), the side walls of the conveying frame (1) and the lifting frame (2) are both provided with induction motors for driving the conveying wheels (3) to rotate independently, a lifting component for driving the lifting frame (2) to move is provided in the lifting slots (11), and a calibration component is provided in the lifting frame (2); The driving assembly includes a mounting groove (41), the mounting groove (41) is provided on a side wall of the lifting groove (11), and is aligned with the welding head (4), a telescopic plate (42) is slidably connected in the mounting groove (41), a front end of the telescopic plate (42) is slidably connected to a mounting plate (43), and the welding head (4) is fixed on the mounting plate (43); An ejection telescopic cylinder (44) is fixed to the inner wall of the mounting groove (41), an output end of the ejection telescopic cylinder (44) is fixed to the telescopic plate (42), a threaded rod (45) is rotatably connected to the inside of the telescopic plate (42), a servo motor (46) for driving the threaded rod (45) to rotate is provided on the outside of the telescopic plate (42), the inner side of the mounting plate (43) is located inside the telescopic plate (42), the threaded rod (45) passes through the inner side of the mounting plate (43), and is threadedly connected to the mounting plate (43); The calibration assembly includes a stopper (27) and a calibration plate (51), bottom blocks (26) are fixed at both ends of the bottom cavity of the lifting frame (2), the stopper (27) is installed on the upper end of the bottom block (26), and a cylinder for driving the stopper (27) to extend and retract is installed in the bottom block (26), a pair of bottom plates (5) are fixed at the bottom of the lifting frame (2), and the calibration plates (51) are slidably connected to the bottom plates (5) and are symmetrically distributed.

2. The fin heat sink welding device according to claim 1, wherein: The lifting assembly comprises a lifting telescopic cylinder (23) and a guide block (22); the lifting telescopic cylinder (23) is fixed to the bottom of the lifting slot (11), and the output end is fixed to the bottom of the lifting frame (2); the guide block (22) is fixed to the outer wall of the lifting frame (2); and the side wall of the lifting slot (11) is provided with a guide slot adapted to the guide block (22).

3. The fin heat sink welding device according to claim 1, wherein: A driving groove (52) is provided on the bottom plate (5), a bidirectional screw rod (53) is rotatably connected in the driving groove (52), the bottom of the calibration plate (51) is slidably connected in the driving groove (52), the bidirectional screw rod (53) passes through the calibration plate (51) and is threadedly connected to the calibration plate (51), and a driving motor (54) for driving the bidirectional screw rod (53) to rotate is fixed on the outside of the bottom plate (5).

4. The fin heat sink welding device according to claim 1, wherein: A controller (12) is installed on the conveying frame (1) and at a position corresponding to the lifting frame (2). A sensor (31) is installed inside the conveying frame (1) and the lifting frame (2) and between the conveying wheels (3).

5. The fin heat sink welding device according to claim 1, wherein: An upper end block (24) is fixed at the bottom of the partition (21) and at a position corresponding to the bottom block (26). An extrusion block (25) is installed at the bottom of the upper end block (24). A hydraulic cylinder for driving the extrusion block (25) to extend and retract is installed in the upper end block (24).

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