A type of aluminum frame rotary welding equipment

Abstract

This invention discloses an aluminum frame rotary welding device, relating to the field of automotive aluminum frame welding processing technology. It includes a welding base, on which a welding robot and a positioner are mounted. The positioner has a positioning bracket, and the positioner can drive the positioning bracket to rotate 90°. The invention uses a drive motor to drive the drive shaft and driven rod to rotate, allowing the positioning wheel and positioning plate to simultaneously clamp and position the six sides of two C-shaped aluminum frames. Then, a second drive motor moves the positioning plate, pressing the welding ends of the two C-shaped aluminum frames tightly against each other. Finally, a clamping driver drives a frame pressing block to press the C-shaped aluminum frames firmly onto the positioning bracket. This multi-faceted clamping and positioning of each side of the C-shaped aluminum frame provides high positioning accuracy. Simultaneously, the tight contact of the welding ends avoids porosity, slag inclusions, and incomplete welding, thereby improving the welding quality of the aluminum frame.

Description

Technical Field

[0001] This invention relates to the field of automotive aluminum frame welding technology, specifically to an aluminum frame rotary welding equipment. Background Technology

[0002] The aluminum frame for car windows is an important component of the car structure, mainly used to support and fix the window glass, while also having certain aesthetic and functional properties. Currently, the production process of aluminum frames for car windows involves welding two C-shaped aluminum materials together.

[0003] Among them, the welding of aluminum frames for car windows generally has the following two positioning methods:

[0004] 1. The two C-shaped aluminum materials are spot welded manually, then the four sides of the semi-finished aluminum frame are positioned, and then welding is completed using welding equipment.

[0005] 2. The six sides of the two C-shaped aluminum materials are fixed and spliced ​​together manually, and then the spliced ​​ends are directly welded.

[0006] However, the positioning accuracy of the above two methods is poor, making it difficult to align the welded ends of the C-shaped aluminum material. Furthermore, the weld is prone to porosity, which reduces the effective load-bearing area of ​​the weld, lowers the strength and density of the weld, and makes the aluminum frame of the car window susceptible to crack propagation from the porosity when subjected to pressure or vibration, thus affecting the production quality of the aluminum frame.

[0007] Therefore, an aluminum frame rotary welding device was proposed to solve the above problems. Summary of the Invention

[0008] (a) Technical problems to be solved

[0009] To address the shortcomings of existing technologies, this invention provides an aluminum frame rotary welding device that performs multi-face clamping and positioning on each side of the C-shaped aluminum frame. At the same time, it keeps the welding ends close together, which can avoid porosity, slag inclusions, and incomplete welding, thereby improving the welding quality of the aluminum frame and solving the problems mentioned in the background art.

[0010] (II) Technical Solution

[0011] To achieve the above objectives, the present invention provides the following technical solution: an aluminum frame rotary welding device, comprising a welding base, on which a welding robot and a positioner are mounted, and on which a positioning bracket is mounted, and which can drive the positioning bracket to rotate 90°; the positioning bracket is provided with two first positioning components and four second positioning components, the first positioning components being used to horizontally clamp and position the middle part of the C-shaped aluminum frame, and the second positioning components being used to horizontally clamp and position the two sides of the C-shaped aluminum frame; both the first and second positioning components are provided with frame pressing components, which, together with the positioning bracket, can clamp and position the C-shaped aluminum frame in the vertical direction; the positioning bracket is also provided with a driving component, which can drive the first and second positioning components to simultaneously clamp and position the middle and two sides of the C-shaped aluminum frame.

[0012] Preferably, the first positioning component includes a symmetrically arranged first positioning frame, in which positioning wheels are uniformly rotatably connected along the length direction. The second positioning component includes a symmetrically arranged second positioning frame, in which a positioning plate is provided on the side of the second positioning frame facing the C-shaped aluminum frame, and a pushing mechanism is provided in the second positioning frame, which can clamp the two sides of the C-shaped aluminum frame and make the welding end faces fit tightly against each other.

[0013] Preferably, the pushing mechanism includes a second drive motor, which is fixedly mounted on the second positioning frame. A spur gear is fixedly connected to the output end of the second drive motor. A spur rack is fixedly mounted on the side of the positioning plate facing the spur gear, and the spur gear meshes with the spur rack. The positioning plate can be horizontally slidably connected to the second positioning frame.

[0014] Preferably, the drive assembly includes a drive shaft, which is horizontally rotatably connected to a positioning bracket. A drive motor is also fixedly installed in the positioning bracket to drive the drive shaft to rotate. A bidirectional threaded tube is symmetrically fixedly installed on the drive shaft, and a threaded slider is symmetrically threaded onto the bidirectional threaded tube. The threaded slider can slide horizontally along the positioning bracket. The top of the threaded slider is fixedly connected to a corresponding first positioning frame. Bevel gears are also fixedly installed on the left and right sides of the drive shaft. Bevel gears are meshed on the front and rear sides of the bevel gears. A driven rod is fixedly installed at the center of the bevel gear. All four driven rods are horizontally rotatably connected to the positioning bracket. A bidirectional threaded tube is fixedly installed on each driven rod. A threaded slider is symmetrically threaded onto the bidirectional threaded tube, and the threaded slider can slide horizontally along the positioning bracket. The top of the threaded slider is fixedly connected to a corresponding second positioning frame.

[0015] Preferably, the frame pressing assembly includes a pressing driver and a frame pressing block. The pressing driver is fixedly installed on a first positioning frame and a second positioning frame that correspond to each other. The pressing driver is used to drive the frame pressing block to press the C-shaped aluminum frame vertically downward.

[0016] Preferably, the positioning bracket is symmetrically provided with processing grooves, and the processing grooves correspond to the welding end positions of the C-shaped aluminum frame.

[0017] Preferably, a protective component capable of absorbing residue and removing odor is also included. The protective component includes a connecting piece, which is fixedly installed on the side of the positioning plate facing the welding end of the C-shaped aluminum frame. A semi-circular tube is fixedly connected to the end of the connecting piece away from the positioning plate. A negative pressure suction nozzle is provided on the semi-circular tube. A conveying pipe is fixedly connected to the side of the negative pressure suction nozzle. An air pump and a collection box are provided on the bottom surface of the positioning bracket. The output end of the air pump is fixedly connected to the collection box. An intercepting mesh and an activated carbon layer are arranged sequentially from the inside to the outside on the side of the collection box away from the air pump.

[0018] Preferably, both the semi-circular tube and the negative pressure nozzle are semi-circular structures, and the two semi-circular tubes corresponding to each of the first positioning components can be inserted into each other to form a circular structure, and can be fitted onto the C-shaped aluminum frame.

[0019] (III) Beneficial Effects

[0020] Compared with the prior art, the present invention provides an aluminum frame rotary welding device, which has the following beneficial effects:

[0021] 1. This invention drives the drive shaft and driven rod to rotate via a drive motor, enabling the positioning wheel and positioning plate to simultaneously clamp and position the six sides of two C-shaped aluminum frames. Then, a second drive motor moves the positioning plate to bring the welded ends of the two C-shaped aluminum frames tightly together. Finally, a clamping driver drives the frame pressing block to press the C-shaped aluminum frames onto the positioning bracket. This multi-faceted clamping and positioning of each side of the C-shaped aluminum frame results in high positioning accuracy. At the same time, the tight contact of the welded ends avoids porosity, slag inclusions, and incomplete welding, thereby improving the welding quality of the aluminum frames.

[0022] 2. This invention uses an air pump to draw welding slag and harmful gases into a collection box. After being intercepted and adsorbed by an interception mesh and an activated carbon layer, large particles of welding slag are collected, and harmful welding odors are eliminated, ensuring a healthy and environmentally friendly working environment. Attached Figure Description

[0023] Figure 1 This is a perspective view of the main structure of the present invention;

[0024] Figure 2 This is a top view of the positioning bracket structure of the present invention;

[0025] Figure 3This is a bottom view of the internal structure of the positioning bracket of the present invention;

[0026] Figure 4 This is a structural assembly diagram of the first positioning component and the driving component of the present invention;

[0027] Figure 5 This is a structural assembly diagram of the second positioning component and the driving component of the present invention;

[0028] Figure 6 This is a schematic diagram of the relevant structure of the second positioning component of the present invention;

[0029] Figure 7 This is a schematic diagram of the relevant structure of the protective component of the present invention;

[0030] Figure 8 This is a cross-sectional view of the internal structure of the collection box of the present invention.

[0031] Figure label:

[0032] 1. Welding base; 2. Welding robot; 3. Positioner; 4. Positioning bracket; 5. C-shaped aluminum frame; 11. Machining groove;

[0033] 6. First positioning component; 61. First positioning frame; 62. Positioning wheel;

[0034] 7. Second positioning assembly; 71. Second positioning frame; 72. Positioning plate; 73. Pushing mechanism; 731. Drive motor II; 732. Spur gear; 733. Spur rack;

[0035] 8. Frame clamping assembly; 81. Clamping driver; 82. Frame clamping block;

[0036] 9. Drive assembly; 91. Drive shaft; 92. Drive motor one; 93. Bidirectional threaded tube one; 94. Threaded slider one; 95. Bevel gear one; 96. Bevel gear two; 97. Driven rod; 98. Bidirectional threaded tube two; 99. Threaded slider two;

[0037] 10. Protective components; 101. Connecting piece; 102. Semi-ring tube; 103. Negative pressure nozzle; 104. Delivery tube; 105. Air pump; 106. Collection box; 107. Interception net; 108. Activated carbon layer. Detailed Implementation

[0038] 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 some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0040] Example 1, please refer to Figures 1 to 6 As shown:

[0041] To address the problems mentioned in the technical solutions, this application provides an aluminum frame rotary welding device, including a welding base 1, a welding robot 2 and a positioner 3 mounted on the welding base 1, a positioning bracket 4 mounted on the positioner 3, and the positioner 3 capable of driving the positioning bracket 4 to rotate 90°; the positioning bracket 4 is provided with two first positioning components 6 and four second positioning components 7, the first positioning components 6 are used to horizontally clamp and position the middle part of the C-shaped aluminum frame 5, and the second positioning components 7 are used to horizontally clamp and position the two sides of the C-shaped aluminum frame 5; both the first positioning components 6 and the second positioning components 7 are provided with frame pressing components 8, the frame pressing components 8, together with the positioning bracket 4, can clamp and position the C-shaped aluminum frame 5 in the vertical direction; the positioning bracket 4 is also provided with a driving component 9, the driving component 9 capable of driving the first positioning components 6 and the second positioning components 7 to simultaneously clamp and position the middle and the two sides of the C-shaped aluminum frame 5.

[0042] The welding robot 2 consists of a robotic arm and a laser welding gun. It is an existing device that can automatically weld the C-shaped aluminum frame 5. The positioner 3 is an existing device that can make the positioning bracket 4 rotate circumferentially with a period of 90°.

[0043] When the first positioning frame 61 and the second positioning frame 71 simultaneously clamp and position the C-shaped aluminum frame 5, the wear on the C-shaped aluminum frame 5 can be reduced by the positioning wheel 62. With the setting of the first positioning component 6 and the second positioning component 7, the three sides of each C-shaped aluminum frame 5 are fixed, resulting in high stability and positioning accuracy.

[0044] Preferably, the first positioning component 6 includes a symmetrically arranged first positioning frame 61, and a positioning wheel 62 is uniformly rotatably connected inside the first positioning frame 61 along the length direction. The second positioning component 7 includes a symmetrically arranged second positioning frame 71, and a positioning plate 72 is provided on the side of the second positioning frame 71 facing the C-shaped aluminum frame 5. A pushing mechanism 73 is provided inside the second positioning frame 71, which can make the positioning plate 72 clamp the two sides of the C-shaped aluminum frame 5 and make the welding end faces fit tightly against each other.

[0045] Preferably, the pushing mechanism 73 includes a second drive motor 731, which is fixedly mounted on the second positioning frame 71. A spur gear 732 is fixedly connected to the output end of the second drive motor 731. A spur rack 733 is fixedly mounted on the side of the positioning plate 72 facing the spur gear 732, and the spur gear 732 meshes with the spur rack 733. The positioning plate 72 can be horizontally and laterally slidably connected to the second positioning frame 71.

[0046] Specifically, the two drive motors 731 are synchronously controlled by the control system. After the first positioning component 6 and the second positioning component 7 fix the C-shaped aluminum frame 5, the drive motor 731 drives the spur gear 732 to rotate and mesh with the spur gear 732 to move. This allows the opposing positioning plates 72 to clamp the C-shaped aluminum frame 5 while aligning and tightly pressing the welding ends together, avoiding porosity, slag inclusions, and incomplete welding in the weld. Preferably, the drive component 9 includes a drive shaft 91, which is horizontally rotatably connected to the positioning bracket 4. The positioning bracket 4 also has a drive motor 92 fixedly installed inside. The drive motor 92 drives the drive shaft 91 to rotate. A bidirectional threaded tube 93 is symmetrically fixedly installed on the drive shaft 91. A threaded slider 94 is symmetrically threaded onto the bidirectional threaded tube 93, and the threaded slider 94 can slide horizontally and linearly along the positioning bracket 4. At the same time, the top of the threaded slider 94 is fixedly connected to the corresponding first positioning frame 61. The left side of the drive shaft 91... On the right sides, bevel gear 95 is fixedly installed. Bevel gear 96 is meshed on both the front and rear sides of bevel gear 95. A driven rod 97 is fixedly installed at the center of bevel gear 96. All four driven rods 97 are horizontally and longitudinally rotatably connected in the positioning bracket 4. A bidirectional threaded tube 98 is fixedly installed on each driven rod 97. A threaded slider 99 is symmetrically threaded on the bidirectional threaded tube 98. The threaded slider 99 can slide linearly along the horizontal longitudinal direction on the positioning bracket 4. The top of the threaded slider 99 is fixedly connected to the corresponding second positioning frame 71.

[0047] Through the meshing transmission of bevel gear 95 and bevel gear 96, the drive shaft 91 and driven rod 97 rotate synchronously. Then, through the rotation of the symmetrical bidirectional threaded tube 93 and the symmetrical bidirectional threaded tube 98, the corresponding threaded slider 94 and the corresponding threaded slider 99 move towards each other or away from each other at the same time.

[0048] Preferably, the frame pressing assembly 8 includes a pressing driver 81 and a frame pressing block 82. The pressing driver 81 is fixedly installed on the first positioning frame 61 and the second positioning frame 71, which are respectively corresponding to each other. The pressing driver 81 is used to drive the frame pressing block 82 to press the C-shaped aluminum frame 5 vertically downward.

[0049] The clamping driver 81 and the clamping block 82 can move synchronously with the first positioning frame 61 and the second positioning frame 71, making it easy to install and remove the C-shaped aluminum frame 5.

[0050] Preferably, the positioning bracket 4 is symmetrically provided with processing grooves 11, which correspond to the welding end positions of the C-shaped aluminum frame 5, exposing a large space to facilitate welding by the welding robot 2.

[0051] For a further embodiment two, please refer to Figures 7 to 8 As shown:

[0052] It also includes a protective component 10 capable of absorbing residue and removing odor. The protective component 10 includes a connecting piece 101, which is fixedly installed on the side of the positioning plate 72 facing the welding end of the C-shaped aluminum frame 5. A semi-circular tube 102 is fixedly connected to the end of the connecting piece 101 away from the positioning plate 72. A negative pressure suction nozzle 103 is provided on the semi-circular tube 102. A conveying pipe 104 is fixedly connected to the side of the negative pressure suction nozzle 103. An air pump 105 and a collection box 106 are provided on the bottom surface of the positioning bracket 4. The output end of the air pump 105 is fixedly connected to the collection box 106. An intercepting net 107 and an activated carbon layer 108 are arranged sequentially from the inside to the outside on the side of the collection box 106 away from the air pump 105.

[0053] Preferably, both the semi-circular tube 102 and the negative pressure suction nozzle 103 are semi-circular structures. The two semi-circular tubes 102 corresponding to each first positioning component 6 can be inserted into each other to form a circular structure, and can be fitted onto the C-shaped aluminum frame 5.

[0054] Specifically, the semi-circular tube 102 can be clamped and spliced ​​together with the first positioning frame 61. The air pump 105 generates negative pressure inside the semi-circular tube 102, and the welding slag and harmful gases generated during welding are sucked into the collection box 106 through the negative pressure suction nozzle 103 and collected. The interception net 107 and the activated carbon layer 108 intercept and adsorb the slag, reducing the amount of welding slag falling on the surface of the C-shaped aluminum frame 5. At the same time, the activated carbon can effectively adsorb some odorous volatile organic compounds and some acidic gases such as hydrogen chloride generated by laser welding, thereby reducing the harmful odor and accelerating the cooling of the welding position of the C-shaped aluminum frame 5. Since the semi-circular tube 102 is sleeved on the surface of the C-shaped aluminum frame 5 and faces the welding position, the above-mentioned functions can be achieved no matter which side of the C-shaped aluminum frame 5 the welding robot 2 is welding.

[0055] The working principle of all the content in the above embodiments is as follows:

[0056] During the welding process, two C-shaped aluminum frames 5 are placed on the positioning bracket 4. The drive motor 92 drives the drive shaft 91 and the driven rod 97 to rotate, so that the positioning wheel 62 and the positioning plate 72 can simultaneously clamp and position the hexagons of the two C-shaped aluminum frames 5. Then, the drive motor 731 drives the positioning plate 72 to move, so that the welding ends of the two C-shaped aluminum frames 5 are pressed tightly together. Then, the clamping driver 81 drives the frame pressing block 82 to press the C-shaped aluminum frames 5 onto the positioning bracket 4. Finally, the welding robot 2 and the positioner 3 perform welding and flipping operations on the C-shaped aluminum frames 5.

[0057] During the welding process of welding robot 2, the air pump 105 draws welding slag and harmful gases into the collection box 106. After being intercepted and adsorbed by the interception net 107 and the activated carbon layer 108, large particles of welding slag are collected and harmful welding odors are eliminated, ensuring a healthy and environmentally friendly working environment.

[0058] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0059] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An aluminum frame rotary welding device, characterized in that: The system includes a welding base (1), on which a welding robot (2) and a positioner (3) are mounted. The positioner (3) is equipped with a positioning bracket (4), and the positioner (3) can drive the positioning bracket (4) to rotate 90°. The positioning bracket (4) is provided with two first positioning components (6) and four second positioning components (7). The first positioning components (6) are used to horizontally clamp and position the middle part of the C-shaped aluminum frame (5). The second positioning components (7) are used to horizontally clamp and position the two sides of the C-shaped aluminum frame (5). The first positioning components (6) and the second positioning components (7) are both provided with frame pressing components (8). The frame pressing components (8) are used in conjunction with the positioning bracket (4) to clamp and position the C-shaped aluminum frame (5) in the vertical direction. The positioning bracket (4) is also provided with a driving component (9). The driving component (9) can drive the first positioning components (6) and the second positioning components (7) to clamp and position the middle and two sides of the C-shaped aluminum frame (5) at the same time. The first positioning component (6) includes a first positioning frame (61) arranged symmetrically, and a positioning wheel (62) is uniformly rotatably connected inside the first positioning frame (61) along the length direction. The second positioning component (7) includes a second positioning frame (71) arranged symmetrically, and a positioning plate (72) is provided on the side of the second positioning frame (71) facing the C-shaped aluminum frame (5). A pushing mechanism (73) is provided inside the second positioning frame (71), which can make the positioning plate (72) clamp the two sides of the C-shaped aluminum frame (5) and make the welding end faces stick to each other. It also includes a protective component (10) capable of absorbing residue and removing odor. The protective component (10) includes a connecting piece (101), which is fixedly installed on the side of the positioning plate (72) facing the welding end of the C-shaped aluminum frame (5). A semi-ring pipe (102) is fixedly connected to the end of the connecting piece (101) away from the positioning plate (72). A negative pressure suction nozzle (103) is provided on the semi-ring pipe (102). A conveying pipe (104) is fixedly connected to the side of the negative pressure suction nozzle (103). An air pump (105) and a collection box (106) are provided on the bottom surface of the positioning bracket (4). The output end of the air pump (105) is fixedly connected to the collection box (106). An interception net (107) and an activated carbon layer (108) are arranged sequentially from the inside to the outside on the side of the collection box (106) away from the air pump (105). The semi-circular tube (102) and the negative pressure suction nozzle (103) are both semi-circular structures. The two semi-circular tubes (102) corresponding to each of the first positioning components (6) can be inserted into each other to form a circular structure, and can be fitted onto the C-shaped aluminum frame (5).

2. The aluminum frame rotary welding equipment according to claim 1, characterized in that: The pushing mechanism (73) includes a second drive motor (731), which is fixedly mounted on the second positioning frame (71). A spur gear (732) is fixedly connected to the output end of the second drive motor (731). A rack (733) is fixedly mounted on the side of the positioning plate (72) facing the spur gear (732), and the spur gear (732) meshes with the rack (733). The positioning plate (72) can be horizontally and laterally slidably connected to the second positioning frame (71).

3. The aluminum frame rotary welding equipment according to claim 2, characterized in that: The drive assembly (9) includes a drive shaft (91), which is horizontally rotatably connected to a positioning bracket (4). A drive motor (92) is also fixedly installed inside the positioning bracket (4). The drive motor (92) drives the drive shaft (91) to rotate. A bidirectional threaded tube (93) is symmetrically fixedly installed on the drive shaft (91). A threaded slider (94) is symmetrically threaded onto the bidirectional threaded tube (93), and the threaded slider (94) can slide horizontally along the positioning bracket (4). Simultaneously, the top of the threaded slider (94) is fixedly connected to a corresponding first positioning frame (61). The drive shaft (91)... Bevel gear 1 (95) is fixedly installed on both the left and right sides. Bevel gear 2 (96) is meshed on both the front and rear sides of bevel gear 1 (95). A driven rod (97) is fixedly installed at the center of bevel gear 2 (96). All four driven rods (97) are horizontally and longitudinally rotatably connected in the positioning bracket (4). A bidirectional threaded tube 2 (98) is fixedly installed on each driven rod (97). A threaded slider 2 (99) is symmetrically threaded on the bidirectional threaded tube 2 (98). The threaded slider 2 (99) can slide horizontally and longitudinally on the positioning bracket (4). The top of the threaded slider 2 (99) is fixedly connected to the corresponding second positioning frame (71).

4. The aluminum frame rotary welding equipment according to claim 3, characterized in that: The frame pressing assembly (8) includes a pressing driver (81) and a frame pressing block (82). The pressing driver (81) is fixedly installed on a first positioning frame (61) and a second positioning frame (71) that correspond to each other. The pressing driver (81) is used to drive the frame pressing block (82) to press the C-shaped aluminum frame (5) vertically downward.

5. The aluminum frame rotary welding equipment according to claim 4, characterized in that: The positioning bracket (4) is symmetrically provided with processing grooves (11), and the processing grooves (11) correspond to the welding end positions of the C-shaped aluminum frame (5).

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