Welding positioning equipment for aluminum profile door and window frame

Abstract

The invention discloses welding positioning equipment for an aluminum profile door and window frame, and belongs to the technical field of welding equipment.The welding positioning equipment comprises a welding table, supporting legs are fixedly connected to the four corners of the bottom of the welding table, clamping limiting plates which are arranged in a relatively inclined mode are arranged on the two sides of the upper end of the welding table, and laser welding equipment is arranged on one side of the welding table; the welding table is provided with two first sliding grooves which are obliquely formed, the central axis of each first sliding groove is perpendicular to the central axis of the clamping limiting plate, the bottom of the clamping limiting plate is fixedly connected with a first sliding block, the first sliding blocks are slidably connected with the interiors of the first sliding grooves, and the clamping limiting plate is provided with a fixing assembly; the clamping limiting plate can freely slide along the groove body through the first sliding block, the fixing assembly composed of the threaded rod, the limiting disc and the adjusting handle is adopted, the adjusting handle only needs to be rotated by 90-180 degrees, and locking or unlocking of the clamping limiting plate can be completed through contact or separation of the limiting disc and the welding table.

Description

Technical Field

[0001] This invention belongs to the field of welding equipment technology, specifically, it relates to a welding positioning device for aluminum profile door and window frames. Background Technology

[0002] Welded components such as doors and windows are divided into enclosure components and partition components depending on their installation location. They are configured with functions such as heat insulation, sound insulation, waterproofing and fireproofing according to different design requirements. Therefore, it is necessary to adjust the shape of doors and windows and the welding position of their internal structure under different usage requirements.

[0003] Existing aluminum alloy door and window laser welding equipment is an automated equipment designed around the needs of standardized mass production. Its core structure includes fixed left and right clamping fixtures, rigid pressing and clamping system and programmed laser welding unit. After the aluminum alloy door and window frames to be welded are temporarily spliced ​​together, the worker inserts the frame along the guide structure at the corner of the frame. The rigid pressing and clamping system presses the door and window frame tightly, and the laser head moves along the splicing weld of the frame to perform continuous full welding on the core stress parts and spot welding or segment welding on non-stress parts as needed.

[0004] Because the profiles of door and window frames are of different sizes, the positions of the left and right clamping fixtures need to be adjusted when dealing with door and window frames of different sizes so that the corner welds of the door and window frames are located in the specified positions. However, most existing aluminum alloy door and window laser welding equipment uses fixed clamping fixtures, with the positions of the clamping plates on both sides fixed and not adjustable. This can only be adapted to a single specification of door and window frame. When changing door and window models, special fixtures need to be disassembled and replaced. The adjustment process is cumbersome, time-consuming, and has low production efficiency. Summary of the Invention

[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0006] To address the problems mentioned in the background art, existing aluminum alloy door and window laser welding equipment mostly uses fixed clamping fixtures with fixed and non-adjustable positions of the clamping plates on both sides, which can only adapt to a single specification of door and window frame. When changing door and window models, it is necessary to disassemble and replace special fixtures, which is cumbersome, time-consuming, and results in low production efficiency. The present invention adopts the following technical solution.

[0007] A welding positioning device for aluminum profile door and window frames includes a welding table with support legs fixedly connected to the four corners of the bottom of the welding table. Clamping and limiting plates with relative inclinations are provided on both sides of the upper end of the welding table. A laser welding device is provided on one side of the welding table. Two inclined first sliding grooves are provided on the welding table, with the central axis of the first sliding groove perpendicular to the central axis of the clamping and limiting plate. A first sliding block is fixedly connected to the bottom of the clamping and limiting plate, and the first sliding block is slidably connected to the inside of the first sliding groove. A fixing component is installed on the clamping and limiting plate to fix its position. Releasing the fixing component allows the aluminum profile door and window frame to be pushed inward along the clamping and limiting plates on both sides, causing the clamping and limiting plates to move simultaneously along the first sliding grooves. After reaching the designated position, the fixing component fixes the position of the clamping and limiting plate.

[0008] Preferably, elastic components are installed on the clamping and limiting plates on both sides, and the elastic components cause the limiting plates to move along the first sliding groove, thereby reducing the distance between the two limiting plates.

[0009] Preferably, the fixing component includes a threaded rod that is threadedly connected to the clamping and limiting plate. The bottom of the threaded rod is rotatably connected to a limiting plate, and the upper end of the threaded rod is detachably connected to an adjusting handle. Rotating the adjusting handle causes the threaded rod to rotate, thereby enabling the limiting plate to move upward or downward.

[0010] Preferably, the elastic component includes a sliding rod, which is detachably connected to the outer wall of the first sliding block. The welding station has an installation chamber at its end near the first sliding groove. The sliding rod is inserted into the installation chamber on one side of the first sliding groove. A limit block is fixedly connected to the end of the sliding rod. A return spring is sleeved on the outer wall of the installation chamber. The clamping limit plates on both sides move to one side of the first sliding groove through the return spring, thereby reducing the distance between the clamping limit plates on both sides.

[0011] Preferably, a synchronization component is installed on the first sliding blocks on both sides, which enables the clamping and limiting plates on both sides to move the same distance simultaneously.

[0012] Preferably, the synchronization component includes two connecting parts on both sides, which are detachably connected to two first sliding blocks on both sides. A meshing rack is fixedly connected to the two connecting parts on both sides, and the tooth grooves of the meshing racks on both sides are arranged opposite to each other. A synchronization gear meshes between the meshing racks on both sides. A sliding rail is detachably connected to the bottom of the welding table. A third sliding block is slidably connected inside the sliding rail. A limit frame is fixedly connected to the bottom of the third sliding block. The synchronization gear is rotatably connected to the inside of the limit frame.

[0013] Preferably, a positioning corner head is provided at the position of the welding point at the upper end of the welding platform, and a second sliding block is fixedly connected to the bottom of the positioning corner head. The second sliding block is slidably connected to the inside of the second sliding groove, and the positioning corner head positions the corner of the aluminum profile door and window frame.

[0014] Preferably, a movable component is installed on the welding table, which drives the positioning corner head to move laterally.

[0015] Preferably, the moving component includes a first telescopic cylinder, a mounting bracket is detachably connected to the back of the welding table, the first telescopic cylinder is detachably connected to the mounting bracket, the telescopic end of the first telescopic cylinder is detachably connected to the outer wall of the second sliding block, and the extension of the first telescopic cylinder causes the positioning corner head to be located at the weld point, thereby restricting the weld position at the corner of the aluminum profile door and window.

[0016] Preferably, a sliding vertical rail is detachably connected to one side of the clamping and limiting plates on both sides, and a pressing rubber head is slidably connected inside the sliding vertical rail. A second telescopic cylinder is detachably connected to the upper end of the sliding vertical rail, and the telescopic end of the second telescopic cylinder is detachably connected to the upper end of the pressing rubber head.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] 1. In this invention, an inclined first sliding groove perpendicular to the clamping and limiting plate is provided on the welding table. The clamping and limiting plate can slide freely along the groove through the first sliding block. The fixing assembly consists of a threaded rod, a limiting plate and an adjusting handle. Only by rotating the adjusting handle 90°~180°, the clamping and limiting plate can be locked or unlocked by contacting or separating the limiting plate from the welding table. There is no need to disassemble and assemble the fixture or make repeated adjustments. The operation is extremely simple, fast and efficient.

[0019] 2. In this invention, a spring assembly is formed by a sliding rod, a limiting block and a reset spring. Under normal conditions, it can automatically drive the clamping limiting plates on both sides to close to the minimum distance. When adjusting, it is only necessary to unlock the fixing mechanism and push the corner of the frame directly in to automatically open the limiting plate. The frame can complete the adaptive positioning by relying on its own size. There is no need for manual adjustment of the alignment multiple times, which greatly reduces the time spent adjusting the distance. Ordinary workers can quickly get started with the operation.

[0020] 3. In this invention, the clamping and limiting plates on both sides achieve mechanical linkage through the connecting part, meshing rack and synchronous gear. There is no need to actively drive the gear. The external force of pushing the frame in can drive the rack on one side to move, thereby driving the synchronous gear to rotate passively. This makes the clamping and limiting plates on both sides move synchronously and equidistantly in opposite directions, forcibly ensuring that the frame is always centered and aligned, and ensuring the squareness of the frame and the alignment accuracy of the weld.

[0021] 4. In this invention, the positioning corner head can accurately position the frame corners to ensure that the weld is always aligned with the laser welding point, avoiding welding deviation and missed welding; at the same time, in conjunction with the moving structure of the first telescopic cylinder, the second sliding block and the second sliding groove, the positioning corner head can extend to the limit during adjustment and retract to avoid interference during welding. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of a welding positioning device for aluminum profile door and window frames according to the present invention;

[0023] Figure 2 This is a front view schematic diagram of the welding positioning device in this invention;

[0024] Figure 3 This is a side view of the welding positioning device in this invention.

[0025] Figure 4 This is a bottom view of the welding positioning device in this invention.

[0026] Figure 5 This is a schematic diagram of the locking component structure in this invention;

[0027] Figure 6 In this invention Figure 4 Enlarged structural diagram of section A;

[0028] Figure 7 This is a schematic diagram of the synchronization component structure in this invention;

[0029] Figure 8 This is a schematic diagram of the positioning corner head structure in this invention.

[0030] The correspondence between the labels and component names in the attached figures is as follows:

[0031] 100. Welding table; 101. Support leg; 102. First sliding groove; 103. Second sliding groove; 104. Sliding track;

[0032] 200. Clamping limit plate; 201. First sliding block; 202. Limiting plate; 203. Threaded rod; 204. Adjusting handle; 205. Sliding rod; 206. Limiting block; 207. Return spring;

[0033] 300. Positioning corner head; 301. Second sliding block; 302. First telescopic cylinder; 303. Mounting bracket;

[0034] 400. Pressing rubber head; 401. Sliding vertical rail; 402. Second telescopic cylinder;

[0035] 500. Synchronization component; 501. Limiting frame; 502. Synchronization gear; 503. Third sliding block; 504. Meshing rack; 505. Connecting part. Detailed Implementation

[0036] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0037] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0038] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places throughout this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that mutually excludes other embodiments. The present invention provides the following embodiments.

[0039] like Figure 1-3 The diagram shows a preferred embodiment of the welding positioning device for aluminum profile door and window frames according to the present invention. The welding positioning device for aluminum profile door and window frames in this embodiment includes a welding table 100. Support legs 101 are fixedly connected to the four corners of the bottom of the welding table 100. Clamping and limiting plates 200 are relatively inclined on both sides of the upper end of the welding table 100. A laser welding device is provided on one side of the welding table 100. In this embodiment, the outer walls on both sides of the corner of the assembled aluminum profile door and window frame are moved inward along the clamping and limiting plates 200 until they cannot move further. The weld seam at the corner is then welded using the laser welding device. After welding, the corner is removed and replaced. This process is repeated to precisely position the aluminum profile door and window frame during welding.

[0040] To accommodate the positioning of aluminum profile door and window frames of different sizes, the clamping and limiting plates 200 on both sides need to be adjustable according to the size of the aluminum profile. A specific structure can be adopted as follows: Figure 4-5 In the embodiment shown, the welding table 100 is provided with two inclined first sliding grooves 102. The central axis of the first sliding groove 102 is perpendicular to the central axis of the clamping and limiting plate 200. The bottom of the clamping and limiting plate 200 is fixedly connected to a first sliding block 201. The first sliding block 201 is slidably connected to the inside of the first sliding groove 102. In this embodiment, the clamping and limiting plate 200 is slidably and fixed inside the first sliding groove 102 according to the size of the aluminum profile, thereby enabling the positioning of aluminum profile door and window frames of different sizes.

[0041] To improve changeover speed and production efficiency when changing sizes, a specific locking structure can be adopted as follows: Figure 4-5 In the illustrated embodiment, a threaded rod 203 is threadedly connected to the clamping and limiting plate 200. The bottom of the threaded rod 203 is rotatably connected to a limiting plate 202, and the upper end of the threaded rod 203 is detachably connected to an adjusting handle 204. In this embodiment, by rotating the adjusting handle 204, the threaded rod 203 is rotated, which in turn allows the limiting plate 202 to move upward or downward. When unlocking or fixing, it is only necessary to rotate the adjusting handle 204 by 90° or 180° so that the limiting plate 202 contacts or moves away from the welding table 100, thereby completing the locking or unlocking of the clamping and limiting plate 200, achieving rapid locking and unlocking, and improving replacement efficiency.

[0042] When adjusting the position, the clamping and limiting plates on both sides need to be adjusted more than 200 times before they can be positioned as required. This increases the adjustment time. A specific structure can be adopted as follows: Figure 5 In the embodiment shown, a sliding rod 205 is detachably connected to the outer wall of the first sliding block 201. An installation chamber is provided at the end of the welding table 100 near the first sliding groove 102. The sliding rod 205 is inserted into the installation chamber on one side of the first sliding groove 102. A limit block 206 is fixedly connected to the end of the sliding rod 205. A return spring 207 is sleeved on the outer wall of the installation chamber. In this embodiment, under normal conditions, the two clamping limit plates 200 move towards one side of the first sliding groove 102 via the return spring 207, causing... As the gap between the two clamping limiting plates 200 is reduced, when adjusting according to the size of aluminum profile door and window frames of different sizes, the locking mechanism is unlocked, and the two clamping limiting plates 200 are located at the minimum gap. One corner of the frame is attached to the two clamping limiting plates 200 and moved inward, driving the two clamping limiting plates 200 to move along the first sliding groove 102 and stretching the return spring 207. Then, the adjusting handle 204 is rotated to lock the position of the clamping limiting plates 200, thereby greatly reducing the time required to adjust the gap and further improving production efficiency.

[0043] When the frame is aligned with the two clamping limiting plates 200 at one corner and moves inward, the lack of a track or other structure to restrict the entry path can easily lead to asymmetrical movement of the two clamping limiting plates 200. To ensure that the two clamping limiting plates 200 move to the same position simultaneously when adjusting their positions, the specific synchronization component 500 can be as follows: Figure 6-7In the embodiment shown, a synchronization component 500 is installed on the first sliding blocks 201 on both sides. The synchronization component 500 includes connecting portions 505 on both sides, which are detachably connected to the first sliding blocks 201 on both sides. A meshing rack 504 is fixedly connected to the connecting portions 505 on both sides. The tooth grooves of the meshing racks 504 on both sides are arranged opposite to each other, and a synchronization gear 502 meshes between the meshing racks 504 on both sides. A sliding rail 104 is detachably connected to the bottom of the welding table 100. A third sliding block 503 is slidably connected inside the sliding rail 104. The bottom of the moving block 503 is fixedly connected to the limiting frame 501, and the synchronous gear 502 is rotatably connected to the inside of the limiting frame 501. In this embodiment, when the aluminum profile door and window frame is pushed to move against the clamping limiting plate 200, one side of the meshing rack 504 moves with the clamping limiting plate 200, driving the synchronous gear 502 to rotate, thereby driving the other side of the meshing rack 504 to move and drive the other side of the clamping limiting plate 200 to move, so that the moving positions of the clamping limiting plates 200 on both sides can always be kept the same, avoiding deviation in the moving position of the clamping limiting plate 200.

[0044] Since the welding position of the laser welding head is fixed, to prevent the weld from exceeding or failing to reach the weld point when the aluminum alloy frame is pushed into the designated clamping and limiting plate 200 position, a specific positioning structure can be adopted as follows: Figure 8 In the embodiment shown, a positioning corner head 300 is provided at the position of the welding point at the upper end of the welding table 100. In this embodiment, when the aluminum profile door and window frame is pushed in, the corner is aligned with the positioning corner head 300 and pushed into the interior of the positioning corner head 300. This can fix the position of the corner of the frame and also help determine the position of the clamping and limiting plates 200 on both sides. After the clamping and limiting plates 200 are determined, when the aluminum profile frame is pushed in later, the weld can be accurately located at the welding point.

[0045] During welding, the vertical welds of the aluminum profile frame also need to be welded. To enable the welding of these vertical welds, a specific structure can be adopted as follows: Figure 4 as well as Figure 8In the embodiment shown, a second sliding groove 103 is provided on the welding table 100, and a second sliding block 301 is fixedly connected to the bottom of the positioning corner head 300. The second sliding block 301 is slidably connected to the inside of the second sliding groove 103. A mounting bracket 303 is detachably connected to the back of the welding table 100, and a first telescopic cylinder 302 is detachably connected to the mounting bracket 303. The telescopic end of the first telescopic cylinder 302 is detachably connected to the outer wall of the second sliding block 301. In this embodiment, when the position of the clamping limiting plate 200 is adjusted, the first telescopic cylinder 302 extends so that the positioning corner head 300 is located at the weld point, thus restricting the weld position at the corner of the aluminum profile door and window. After the position of the clamping limiting plate 200 is adjusted, the first telescopic cylinder 302 retracts, so that the positioning corner head 300 is moved away from the weld point, thereby enabling the vertical weld of the frame to be welded during the welding process.

[0046] To prevent the aluminum profile door and window frames from moving during welding, the specific structure of the clamping assembly can be as follows: Figure 4 In the embodiment shown, a sliding vertical rail 401 is detachably connected to one side of the clamping and limiting plate 200 on both sides. A pressing rubber head 400 is slidably connected inside the sliding vertical rail 401. A second telescopic cylinder 402 is detachably connected to the upper end of the sliding vertical rail 401. The telescopic end of the second telescopic cylinder 402 is detachably connected to the upper end of the pressing rubber head 400. In this embodiment, before the frame is placed for welding, the second telescopic cylinders 402 on both sides extend so that the pressing rubber head 400 moves downward and presses against the top of the aluminum profile door and window frame to prevent it from moving during welding.

[0047] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present invention, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted herein.

Claims

1. A welding positioning device for aluminum profile door and window frames, comprising a welding table (100), support legs (101) fixedly connected to the four corners of the bottom of the welding table (100), clamping and limiting plates (200) arranged at opposite inclinations on both sides of the upper end of the welding table (100), and a laser welding device provided on one side of the welding table (100), characterized in that, The welding table (100) is provided with two inclined first sliding grooves (102). The central axis of the first sliding groove (102) is perpendicular to the central axis of the clamping limit plate (200). The bottom of the clamping limit plate (200) is fixedly connected to a first sliding block (201). The first sliding block (201) is slidably connected to the inside of the first sliding groove (102). A fixing component is installed on the clamping limit plate (200). The fixing component is used to fix the position of the clamping limit plate (200). The fixing component is released, and the aluminum profile door and window frame is pushed inward along the clamping limit plates (200) on both sides, so that the clamping limit plates (200) on both sides move along the first sliding groove (102) at the same time. After reaching the designated position, the position of the clamping limit plate (200) is fixed by the fixing component.

2. The welding positioning equipment for aluminum profile door and window frames according to claim 1, characterized in that, Elastic components are installed on the clamping and limiting plates (200) on both sides. The elastic components cause the limiting plates (200) to move along the first sliding groove (102) and reduce the distance between the two limiting plates (200).

3. The welding positioning equipment for aluminum profile door and window frames according to claim 1, characterized in that, The fixing component includes a threaded rod (203), which is threadedly connected to the clamping limit plate (200). The bottom of the threaded rod (203) is rotatably connected to the limit plate (202), and the upper end of the threaded rod (203) is detachably connected to an adjustment handle (204). Rotating the adjustment handle (204) causes the threaded rod (203) to rotate, thereby enabling the limit plate (202) to move upward or downward.

4. The welding positioning equipment for aluminum profile door and window frames according to claim 2, characterized in that, The elastic component includes a sliding rod (205), which is detachably connected to the outer wall of the first sliding block (201). The welding table (100) has an installation chamber at its end near the first sliding groove (102). The sliding rod (205) is inserted into the installation chamber on one side of the first sliding groove (102). The end of the sliding rod (205) is fixedly connected to a limiting block (206). A return spring (207) is sleeved on the outer wall of the installation chamber of the sliding rod (205). The clamping limiting plates (200) on both sides move to one side of the first sliding groove (102) through the return spring (207), thereby reducing the distance between the clamping limiting plates (200) on both sides.

5. The welding positioning equipment for aluminum profile door and window frames according to claim 1, characterized in that, A synchronization component (500) is installed on the first sliding block (201) on both sides, which enables the clamping limit plates (200) on both sides to move the same distance simultaneously.

6. The welding positioning equipment for aluminum profile door and window frames according to claim 5, characterized in that, The synchronization component (500) includes two connecting parts (505), which are detachably connected to the first sliding blocks (201) on both sides. A meshing rack (504) is fixedly connected to the two connecting parts (505), and the tooth grooves of the meshing rack (504) on both sides are arranged opposite to each other. A synchronization gear (502) meshes between the meshing racks (504) on both sides. A sliding rail (104) is detachably connected to the bottom of the welding table (100). A third sliding block (503) is slidably connected inside the sliding rail (104). A limit frame (501) is fixedly connected to the bottom of the third sliding block (503), and the synchronization gear (502) is rotatably connected to the inside of the limit frame (501).

7. The welding positioning equipment for aluminum profile door and window frames according to claim 1, characterized in that, A positioning corner head (300) is provided at the position of the welding point at the upper end of the welding table (100). A second sliding block (301) is fixedly connected to the bottom of the positioning corner head (300). The second sliding block (301) is slidably connected to the inside of the second sliding groove (103). The positioning corner head (300) positions the corner of the aluminum profile door and window frame.

8. The welding positioning equipment for aluminum profile door and window frames according to claim 7, characterized in that, A movable component is installed on the welding table (100), which drives the positioning corner head (300) to move laterally.

9. The welding positioning equipment for aluminum profile door and window frames according to claim 8, characterized in that, The moving component includes a first telescopic cylinder (302), and a mounting bracket (303) is detachably connected to the back of the welding table (100). The first telescopic cylinder (302) is detachably connected to the mounting bracket (303), and the telescopic end of the first telescopic cylinder (302) is detachably connected to the outer wall of the second sliding block (301). The extension of the first telescopic cylinder (302) causes the positioning corner head (300) to be located at the welding point, thereby restricting the position of the weld at the corner of the aluminum profile door and window.

10. The welding positioning equipment for aluminum profile door and window frames according to claim 1, characterized in that, A sliding vertical rail (401) is detachably connected to one side of the clamping limiting plate (200) on both sides. A pressing rubber head (400) is slidably connected inside the sliding vertical rail (401). A second telescopic cylinder (402) is detachably connected to the upper end of the sliding vertical rail (401). The telescopic end of the second telescopic cylinder (402) is detachably connected to the upper end of the pressing rubber head (400).

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