A welding fixture for a radiator

Abstract

The utility model discloses a welding fixed frock for radiator, including a fixed seat, install two parallel fixed limiting sheets on the fixed seat, the distance between two fixed limiting sheets and the width of the end cover of radiator are adapted, and the both sides of each limiting sheet still are all equipped with the rotary limiting sheet through the hinging piece, the position of hinging piece is located the end outside of fixed limiting sheet, makes the rotary limiting sheet can rotate to the outside around hinging piece, the rotary limiting sheet can rotate to the outside of fixed seat or rotate to be in the same straight line with fixed limiting sheet. In the device, the fixed seat is set as the base plate, the two fixed limiting sheets set on the fixed seat are set as the positioning plate, the pressing mechanism is set on the outside, the end cover of radiator and the radiator core body are pressed and fixed through the pressing mechanism, so as to realize the welding fixing of the end cover and the radiator core body, and the structure is reasonable, convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of radiator technology, specifically a welding and fixing fixture for radiators. Background Technology

[0002] like Figure 5 As shown, the existing radiator structure mainly includes upper and lower end caps for water inlet and outlet and a heat dissipation core set between the two end caps. When welding, the upper and lower end caps need to be welded to the heat dissipation core in the middle. During welding, the end caps need to be fixed in place. In the existing technology, some welding fixtures are usually used to fix the radiator.

[0003] A commonly used structure in the prior art, such as the "A Heatsink Welding Fixture" disclosed in Publication (Announcement) No.: CN219465205U, involves two fixing plates on both sides, which are connected by threaded rods. The heatsink core is placed between the left and right fixing plates, and then the distance is adjusted by tightening the locking nuts so that the fixing plates on both sides press the heatsink core in the middle, thus fixing the heatsink core and facilitating subsequent welding.

[0004] And the prior art disclosed in publication (announcement) number CN111618499B, "A Welding and Positioning Fixture for Aluminum End Covers of Radiator Slots," in which an end cover positioning plate is mounted on the top of a vertical plate to support and position the end cover placed at the top of the arc-shaped slot, and a clamping device is mounted on the end cover positioning plate to clamp the end cover into the arc-shaped slot of the elongated aluminum profile after it is placed on the end cover positioning plate. This invention can greatly improve the production efficiency of aluminum radiator slots and reduce the labor intensity of workers.

[0005] Existing technology requires welding each side of the end cap of a radiator. Therefore, while each end face of the end cap is pressed and fixed, the weld seam must be exposed to facilitate welding and installation with the heat dissipation core. The above-mentioned technical solution uses a vertical placement of the radiator, with positioning plates for the end cap at the top and bottom. This essentially presses the end cap down from above and below to fix it to the heat dissipation core before welding. Although this technical solution exposes the connection between the end cap and the heat dissipation core for easy welding, it lacks stability and reliability in actual use. It is prone to displacement even with slight vibrations, and its stability and reliability are inferior to that of directly placed equipment.

[0006] Therefore, in order to solve the above problems, it is necessary to develop a welding fixture for radiators with a reasonable structure that improves stability, safety and welding quality. Utility Model Content

[0007] The purpose of this invention is to address the shortcomings of existing technologies by providing a welding and fixing fixture for radiators; the technical solution is as follows:

[0008] A welding fixture for a radiator includes a base on which two parallel fixed limiting plates are mounted. The distance between the two fixed limiting plates is adapted to the width of the end cover of the radiator. Each limiting plate is further equipped with a rotating limiting plate on both sides via a hinge. The hinge is located outside the end of the fixed limiting plate, allowing the rotating limiting plate to rotate outward around the hinge. The rotating limiting plate can rotate to the outside of the base or to be on the same straight line as the fixed limiting plate.

[0009] The rotating limiting plate and the fixed limiting plate are the same size. When the rotating limiting plate and the fixed limiting plate are on the same straight line, the distance between the rotating limiting plates on the corresponding sides is also adapted to the width of the end cover of the radiator. The length of the fixed limiting plate is set to be less than the width between the upper and lower end covers of the radiator. When the rotating limiting plate rotates to both sides and leaves the fixed seat, the upper and lower end covers of the radiator are exposed.

[0010] Furthermore, the rotating limiting plate is provided with a vertical limiting hole, and the fixed base is also provided with a corresponding limiting hole. When the rotating limiting plate and the fixed limiting plate are on the same straight line, the limiting hole on the rotating limiting plate and the limiting hole on the fixed base are in the same position, and a T-shaped limiting rod is installed in the limiting hole to fix the rotating limiting plate.

[0011] Furthermore, clamping mechanisms are installed on both sides of the fixing base, and pressure plates are installed on both sides of the clamping mechanisms to press the end caps of the upper and lower ends of the radiator together through the pressure plates on both sides.

[0012] Furthermore, the length of the pressure plate is the same as the length of the end caps at the top and bottom of the radiator, and the pressure plate can press down on the end caps as a whole.

[0013] Furthermore, the clamping mechanism is configured as an electric push rod device, and the pressure plate is correspondingly installed on the rod body of the electric push rod device.

[0014] Furthermore, the clamping mechanism includes a dual-shaft motor installed at the middle position of the fixed base. Both ends of the dual-shaft motor are equipped with lead screws. Both sides of the fixed base are also provided with guide grooves. Lead screw seats are installed in the guide grooves. The lead screws extend into the guide grooves and pass through the lead screw seats. The pressure plate is installed on the lead screw seats.

[0015] When the dual-output shaft motor is turned on, it synchronously drives the lead screws on both sides to rotate. The lead screws and lead screw seats are installed by threaded connection, thereby driving the lead screw seats to move in the guide groove, thereby driving the pressure plate to move on the fixed seat and pressing the end caps on both sides accordingly.

[0016] Furthermore, a bearing assembly is also installed in the guide groove, and the lead screws on both sides of the dual-output shaft motor are correspondingly installed on the bearing assembly.

[0017] Beneficial effects: This utility model has the following beneficial effects:

[0018] 1) In this device, a fixed base is set as a base plate, and two fixed limiting plates on the fixed base are set as positioning plates. A pressing mechanism is set on the outside to press and fix the end cover of the heat sink to the heat sink core, thereby realizing the welding and fixing of the end cover and the heat sink core. The structure is reasonable and easy to use.

[0019] 2) In this device, a rotating limiting plate is also installed on the fixed limiting plate using a hinge, which can be rotated. On the one hand, it cooperates with the fixed limiting plate to restrict the internal heat sink end cover; on the other hand, it can be rotated away from the fixed seat, thereby exposing the side of the end cover for welding. The structure is reasonably designed.

[0020] 3) This device also includes a pressing mechanism, which can be directly configured as an electric push rod device. This pressing mechanism is used to press and fix the end caps on both sides. The structure is very reasonable.

[0021] 4) In this device, the pressing mechanism can also be specifically set as a combination of a dual-output shaft motor and a lead screw. On the one hand, the lead screw structure can be used to realize the movement and pressing of the pressure plate relatively smoothly. On the other hand, the dual-output shaft motor can realize the movement of the pressure plates on both sides together. The structure is very ingenious and reasonable. Attached Figure Description

[0022] Figure 1 This is a structural diagram of the present utility model;

[0023] Figure 2 for Figure 1 AA view;

[0024] Figure 3 This is a diagram showing the position of the rotating limiting plate after rotation in this utility model.

[0025] Figure 4 for Figure 3 BB view;

[0026] Figure 5 This is a diagram of a heat sink structure in the prior art;

[0027] The components include: a fixed base 1, a fixed limiting plate 2, an end cap 3, a hinge 4, a rotating limiting plate 5, a limiting hole 6, a limiting rod 7, a pressing mechanism 8, a double-shaft motor 801, a lead screw 802, a guide groove 803, a lead screw seat 804, a bearing assembly 805, and a pressure plate 9. Detailed Implementation

[0028] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments. These embodiments are implemented under the premise of the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0029] like Figure 1 and Figure 2 As shown, a welding fixture for a radiator includes a fixed base 1 on which two parallel fixed limiting plates 2 are mounted. The distance between the two fixed limiting plates 2 is adapted to the width of the end cover 3 of the radiator. Each limiting plate is also equipped with a rotating limiting plate 5 on both sides via a hinge 4. The hinge 4 is located on the outer side of the end of the fixed limiting plate 2, so that the rotating limiting plate 5 can rotate outward around the hinge 4. The rotating limiting plate 5 can rotate to the outside of the fixed base 1 or rotate to be on the same straight line as the fixed limiting plate 2.

[0030] like Figure 3 and Figure 4 As shown, the rotating limiting plate 5 and the fixed limiting plate 2 have the same size. When the rotating limiting plate 5 and the fixed limiting plate 2 are on the same straight line, the distance between the rotating limiting plates 5 on the corresponding side is also adapted to the width of the end cover 3 of the radiator. The length of the fixed limiting plate 2 is set to be less than the width between the upper and lower end covers 3 of the radiator. When the rotating limiting plate 5 rotates to both sides and leaves the fixed seat 1, the upper and lower end covers 3 of the radiator are exposed.

[0031] The rotating limiting plate 5 is provided with a vertical limiting hole 6, and the fixed base 1 is also provided with a corresponding limiting hole 6. When the rotating limiting plate 5 and the fixed limiting plate 2 are on the same straight line, the limiting hole 6 on the rotating limiting plate 5 and the limiting hole 6 on the fixed base 1 are in the same position. A T-shaped limiting rod 7 is installed in the limiting hole 6 to fix the rotating limiting plate 5.

[0032] The fixed base 1 is also equipped with a clamping mechanism 8 on both sides, and a pressure plate 9 is installed on both sides of the clamping mechanism 8. The pressure plates 9 on both sides are used to press the end caps 3 at the top and bottom of the heat sink. The length of the pressure plate 9 is the same as the length of the end caps 3 at the top and bottom of the heat sink. The pressure plate 9 can press the end caps 3 as a whole.

[0033] The clamping mechanism 8 is set as an electric push rod device, and the pressure plate 9 is installed on the rod of the electric push rod device.

[0034] The clamping mechanism 8 includes a dual-shaft motor 801 installed at the middle position of the fixed base 1. Both ends of the dual-shaft motor 801 are equipped with lead screws 802. Both sides of the fixed base 1 are also provided with guide grooves 803. A lead screw seat 804 is installed in the guide groove 803. The lead screw 802 extends into the guide groove 803 and passes through the lead screw seat 804. The pressure plate 9 is installed on the lead screw seat 804.

[0035] When the dual-output shaft motor 801 is turned on, it synchronously drives the lead screws 802 on both sides to rotate. The lead screws 802 and the lead screw seat 804 are installed by threaded connection, thereby driving the lead screw seat 804 to move in the guide groove 803, thereby driving the pressure plate 9 to move on the fixed seat 1, and pressing the end caps 3 on both sides accordingly.

[0036] A bearing assembly 805 is also installed in the guide groove 803, and the lead screws 802 on both sides of the dual-output shaft motor 801 are correspondingly installed on the bearing assembly 805.

[0037] The technical solution of this device mainly adopts the method of laying the radiator down as a whole for positioning and subsequent welding. In this device, fixing limiting plates 2 are set on both sides of the fixing platform. The two fixing limiting plates 2 are set parallel to each other, and the distance between them is set to be equal to the width of the end caps 3 of the radiator to be welded. This ensures that the radiator is placed properly between the two fixing limiting plates 2. The specific structure of the radiator itself includes two end caps 3 for water inlet and outlet, and a heat dissipation core that needs to be positioned between the two end caps 3. Typically, the position of the heat dissipation core will not exceed the two end caps 3, therefore only the following needs to be set... The distance between the two fixed limiting plates 2 should be adapted to the width of the end cap 3. During the welding process, the two end caps 3 are placed between the two fixed limiting plates 2 and on both sides respectively. Then, the heat sink core is placed between the end caps 3 on both sides. Then, the two end caps 3 are pressed inward by the pressing mechanism 8 on both sides of the fixing seat 1. When the two end caps 3 are pressed from the left and right sides respectively, the end caps 3 gradually press the heat sink core on the inside, thereby pressing the end caps 3 and the heat sink core together. After this setting, the upper part of the end cap 3 is exposed, and welding can be performed directly at the upper connection part.

[0038] After the welding is completed, since the fixed limiting plates 2 on both sides are equipped with rotating limiting plates 5 via hinges 4, during welding, the position of the rotating limiting plates 5 is on the same straight line as the fixed limiting plates 2. Therefore, when the radiator is placed, the two rotating limiting plates 5 simultaneously restrict the end caps 3 of the radiator from both sides. The end caps 3 of the radiator are pressed tightly from both sides, and with the presence of the limiting plates on the front and rear sides, there will be no shaking, and the position is completely stable. When welding the sides is required, since the rotating limiting plates 5 on both sides are movably installed via hinges 4, they can rotate accordingly. Therefore, after removing the limiting rods 7 on the rotating limiting plates 5, the rotating limiting plates 5 can rotate outward, thereby detaching from the fixed plates. Figure 3 As shown, after the rotating limiting plate 5 rotates outward, since the length of the fixed limiting plate 2 is relatively small (set to be less than the distance between the two end caps 3), the side of the end cap 3 is fully exposed after the rotating limiting plate 5 rotates. Since the front position has already been welded, even without the restriction of the rotating limiting plates 5 on both sides, the end cap 3 can still be pressed down relatively stably by the pressure plates 9 on both sides. After the side positions of the end cap 3 are exposed, the side of the end cap 3 can be welded. After the side positions are also welded, the overall structure is very stable and solid, so it can be directly removed, and then the other side of the end cap 3 can be welded.

[0039] The device also includes a detailed design of a pressing mechanism 8 for driving the pressure plate 9 to press against the end cover 3. This pressing mechanism 8 can be directly configured as an electrically driven electric push rod device, which directly drives the pressure plate 9. This is a common structural device in the prior art, which can realize the movement of the pressure plate 9, and the electric push rod device only requires electricity.

[0040] In addition, this device also provides another type of clamping mechanism 8 that can move the pressure plate 9. This clamping component is achieved through a double-output shaft and lead screw 802 mechanism. First, a double-output shaft motor 801 is set at the middle position of the fixed base 1. Both ends of the double-output shaft motor 801 are provided with main shafts, and lead screws 802 are installed on both main shafts. Then, guide grooves 803 are provided on both sides of the fixed base 1, and lead screw seats 804 are installed in the guide grooves 803. The lead screws 802 extend into the guide grooves 803 accordingly. The screw 802 is mounted on the lead screw seat 804 via a threaded structure, while the other end of the lead screw 802 is mounted on the bearing seat. When the dual-output shaft motor 801 drives the lead screws 802 on both sides to rotate, it can correspondingly drive the lead screw seat 804 to move within the guide groove 803, thereby driving the pressure block integrated with the lead screw seat 804 to move left and right. This dual-output shaft motor 801 structure can ensure that the pressure blocks on both sides move simultaneously, and can more smoothly press the end caps 3 on both sides, making the structure more reasonable.

[0041] The above-described specific embodiments are merely preferred embodiments of this utility model and are not intended to limit the implementation of this utility model or the scope of the claims. All equivalent changes and modifications made in accordance with the scope of protection of this utility model patent application should be included within the scope of this utility model patent application.

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