Welding device for photovoltaic support bases

Abstract

This invention relates to the technical field of photovoltaic brackets, and more particularly to a welding device for photovoltaic bracket bases. The device includes a rotary unloading section and a welding worktable with positioning grooves. The rotary unloading section has a pair of welding fixtures at both ends for clamping the base frame. Each welding fixture includes a positioning block for aligning the base frame. A pressure plate is provided on the upper side of the positioning block to press the base frame. One end of the positioning block has a limiting rod that can extend into the mounting hole of the base frame. A merging mechanism is provided between the pressure plate and the positioning block to fix them together. The rotary unloading section also includes a pair of support seats. A hollow groove is provided on the inner side of each support seat. A convex connecting block one and a convex connecting block two slide within the hollow groove. One end of each support seat has an orifice groove. One end of the convex connecting block one is connected to the pressure plate. This invention conveniently and efficiently achieves automatic unloading.

Description

Technical Field

[0001] This invention relates to the technical field of photovoltaic brackets, and more particularly to a welding apparatus for photovoltaic bracket bases. Background Technology

[0002] Photovoltaic support structures are special structural components designed and installed in solar photovoltaic power generation systems to support, fix, and rotate photovoltaic modules. The photovoltaic support base is a fundamental component of the photovoltaic support system, such as... Figure 2 As shown, the photovoltaic support base consists of a concave vertical frame and a base plate. During the production process, welding equipment plays an important role in welding the concave vertical frame to the base plate.

[0003] Currently, when welding bracket bases, workers typically place the base plate on a welding fixture for initial positioning. Then, the vertical frame is placed on the upper side of the base plate. A limit block is usually installed on the recessed side of the vertical frame, which is then positioned outside the limit block to facilitate welding. A welding robot then performs the welding operation. After welding, workers remove and unload the components. However, the newly welded base generates high temperatures, which can easily transfer to the entire assembly through the metal base. Handling it directly poses a risk of burns and low safety. Many manufacturers opt for robotic arms for unloading, but in practice, the positioning system of these robotic arms is often inaccurate, leading to inaccurate gripping positions. This is especially problematic for components like photovoltaic bracket bases with specific shapes and mounting holes, where inaccurate gripping can cause deformation or damage. Therefore, it is necessary to provide a dedicated unloading device for welding bracket bases, specifically designed for automated unloading. Summary of the Invention

[0004] The purpose of this invention is to provide a welding apparatus for photovoltaic support bases to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a welding device for photovoltaic bracket base, comprising a rotary unloading part and a welding worktable with positioning grooves.

[0006] The rotary unloading section has a pair of welding fixtures at both ends that can clamp the base frame.

[0007] The welding fixture includes a positioning block for aligning the position of the base vertical frame;

[0008] The upper side of the positioning block is provided with a pressure plate for pressing the vertical frame of the base;

[0009] One end of the positioning block is provided with a limiting rod that can extend into the mounting hole of the base frame.

[0010] In one embodiment, a merging mechanism is provided between the pressure plate and the positioning block to fix them together as one unit.

[0011] In one embodiment, the rotary unloading part further includes a pair of support seats. A hollow groove is provided on the inner side of the support seat. A convex connecting block one and a convex connecting block two are slidably fitted in the hollow groove. An orifice groove is provided at one end of the support seat. One end of the convex connecting block one is connected to the pressure plate, and one end of the convex connecting block two is connected to the positioning block. A lifting drive mechanism is provided at the upper end of the convex connecting block one.

[0012] In one embodiment, the merging mechanism includes a locking block, the locking block having a locking cavity on its inner side, the locking cavity having chamfered corners at both ends of its lower opening, and a pair of wedges being provided at the upper end of the convex connecting block two.

[0013] In one embodiment, a vertical groove is provided on the middle side of the second convex connecting block, an extension rod is provided on one side of the wedge block, a hinge seat is provided on the middle side of the extension rod, a pair of hinge seats are hinged to each other and fixed to the middle side of the vertical groove, an offset seat is fixedly connected to the lower end of the extension rod, a roller is provided at one end of the offset seat, and a liftable roller is provided at the lower end of the pair of rollers.

[0014] In one embodiment, one end of the limiting rod penetrates into the positioning block and slides therewith. One end of the limiting rod is fixedly connected to a trapezoidal block one. A trapezoidal block two is slidably connected to the upper side of the trapezoidal block one. A top rod is fixedly connected to the upper end of the trapezoidal block two. The top rod penetrates the upper end of the positioning block and slides therewith.

[0015] In one embodiment, a material discharge slide is fixedly connected to one end of the welding workbench.

[0016] In one embodiment, a rotary table is fixedly connected to the lower end of a pair of support bases, and a heightening plate is fixedly connected to the lower center of the rotary table. The lower end of the heightening plate is rotatably connected to the welding worktable, and the heightening plate is driven to rotate by a motor.

[0017] In one embodiment, the rotary table has a pair of stepped openings through it, a support block is fixedly connected to the lower end of the roller, a step plate is fixedly connected to the lower end of the support block, and the step plate is adapted to the stepped openings.

[0018] The stepped plate is driven to rise and fall by a lifting mechanism.

[0019] In one embodiment, a limit block is fixedly connected to the outer end of the pressure plate, and a square block is fixedly connected to the lower end of the pressure plate. The limit block and the square block are in clearance fit with the base frame.

[0020] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: The present invention can press the base frame onto the base plate by pressing down the upper pressure plate, thus completing the pre-fixation of the two. Then, the welding robot equipped on one side can automatically weld the weld seam. After the welding work is completed, the limiting rod extending into the mounting hole of the base frame cooperates with the pressure plate to achieve the clamping effect on the base body. Then, by rotating the rotary unloading part, the clamped and fixed base body is rotated 180 degrees and transferred to the unloading station to complete the unloading. At this time, the worker can continue to load the material onto the new welding fixture. By repeating this process, the automatic unloading function of the base body welding work can be realized, avoiding manual unloading and improving safety. Moreover, this technology is specifically used for unloading the welding bracket base. Compared with the traditional robot unloading, it has higher precision. The unloading function can be realized directly by using the positioning block and pressure plate for aligning the workpiece, improving the utilization rate of the parts. No other complex mechanisms and components are required, making it highly practical. Attached Figure Description

[0021] The technical solution and other beneficial effects of this application will become apparent from the following detailed description of specific embodiments in conjunction with the accompanying drawings.

[0022] In the attached diagram:

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the base body of the present invention;

[0025] Figure 3 This is a cross-sectional schematic diagram of the present invention;

[0026] Figure 4 This is a partial three-dimensional schematic diagram of the present invention;

[0027] Figure 5 This is a cross-sectional schematic diagram of the support base of the present invention;

[0028] Figure 6 yes Figure 5 A magnified view of a portion of region A;

[0029] Figure 7 yes Figure 3 A magnified view of a portion of region B;

[0030] Figure 8 This is a three-dimensional schematic diagram of the stepped opening of the present invention;

[0031] Figure 9 yes Figure 3 A magnified view of a portion of region C;

[0032] In the diagram: 1. Rotary unloading section; 101. Support base; 102. Convex connecting block one; 103. Convex connecting block two; 104. Engaging block; 105. Engaging cavity; 106. Wedge block; 107. Extension rod; 108. Hinge seat; 109. Offset seat; 110. Roller; 111. Drum;

[0033] 2. Positioning block; 201. Limiting rod; 202. Trapezoidal block one; 203. Trapezoidal block two; 204. Top rod;

[0034] 3. Pressure plate; 301. Limiting block; 302. Square block;

[0035] 4. Staircase entrance; 401. Staircase slab;

[0036] 5. Welding workbench;

[0037] 6. Base vertical frame; 601. Base plate;

[0038] 7. Material discharge chute; 701. Lifting rod;

[0039] 8. Rotary turntable; 801. Heightening turntable; 802. Motor. Detailed Implementation

[0040] The following disclosure provides many different embodiments or examples for implementing different structures of this application. To simplify the disclosure, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, various specific examples of processes and materials are provided in this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0041] Please see Figure 1-9 The present invention provides a technical solution: a welding device for photovoltaic bracket base, comprising a rotary unloading part 1 and a welding worktable 5 with positioning grooves.

[0042] The rotary unloading section 1 has a pair of welding fixtures at both ends that can clamp the base vertical frame 6;

[0043] The welding fixture includes a positioning block 2 at position 6 of the alignment base vertical bracket;

[0044] The upper side of the positioning block 2 is provided with a pressure plate 3 for pressing the vertical frame 6 of the base;

[0045] One end of the positioning block 2 is provided with a limiting rod 201 that can extend into the mounting hole of the base vertical frame 6.

[0046] Preferably, when welding is required, the base plate 601 is manually placed in the positioning groove of the welding workbench 5, and then the base vertical bracket 6 is vertically clamped onto the outside of the positioning block 2 to align the positions of the two workpieces. Then, the upper pressure plate 3 is pressed down to press the base vertical bracket 6 firmly onto the base plate 601, completing the pre-fixation. The welding robot on one side can then automatically weld the weld seam. After welding, the limiting rod 201 extending into the mounting hole of the base vertical bracket 6, in cooperation with the pressure plate 3, clamps the base body. By rotating the rotary unloading part 1, the clamped and fixed base body is rotated 180 degrees and transferred to the unloading station to complete the unloading. At this time, the worker can continue to load the material onto the new welding fixture. By repeating this process, the automatic unloading function of the base body welding work can be realized, avoiding manual unloading and improving safety. Moreover, this technology is specifically used for unloading welding bracket bases. Compared with the traditional robotic arm unloading, it has higher precision. The unloading function can be realized directly by using the positioning block 2 and pressure plate 3 to align the workpiece, which improves the utilization rate of the parts. No other complex mechanisms and components are required, making it highly practical.

[0047] A merging mechanism is provided between the pressure plate 3 and the positioning block 2 to fix the two together.

[0048] Preferably, a merging mechanism is provided between the pressure plate 3 and the positioning block 2. When the pressure plate 3 presses down to fix the base vertical frame 6, the merging mechanism connects the pressure plate 3 and the positioning block 2. Then, when the welding work is completed, since the base plate 601 is still in the positioning groove, the pressure plate 3 drives the positioning block 2 to rise synchronously through the merging mechanism, thereby driving the clamped base body to leave the positioning groove, and then it can be rotated and unloaded.

[0049] Preferably, the merging mechanism includes, but is not limited to, employing a magnet assembly.

[0050] The rotary unloading unit 1 also includes a pair of support seats 101. A hollow groove is provided on the inner side of the support seat 101. A convex connecting block 102 and a convex connecting block 2 103 are slidably fitted in the hollow groove. A slot is provided at one end of the support seat 101. One end of the convex connecting block 102 is connected to the pressure plate 3. One end of the convex connecting block 2 103 is connected to the positioning block 2. A lifting drive mechanism is provided at the upper end of the convex connecting block 102. A merging mechanism is provided between the convex connecting block 102 and the convex connecting block 2 103.

[0051] Preferably, a hollow groove is provided inside the support base 101 to guide the sliding of the first convex connecting block 102 and the second convex connecting block 103. In the initial state, the lower end of the second convex connecting block 103 contacts the bottom of the groove, which facilitates the placement and positioning of the base frame 6. The first convex connecting block 102 is driven to press down by the lifting drive mechanism to fix the two workpieces. At this time, the first convex connecting block 102 is connected to the second convex connecting block 103 through the merging mechanism. After welding, the second convex connecting block 103 and the positioning block 2 are driven to rise by the lifting drive mechanism. A single lifting drive mechanism can achieve the pressing and fixing of the welded workpieces and drive the overall welded workpieces to rise and rotate for unloading, saving costs and additional drive component installation space and is highly practical.

[0052] Preferably, the lifting drive mechanism includes, but is not limited to, an electric telescopic cylinder.

[0053] The merging mechanism includes a locking block 104, a locking cavity 105 is provided on the inner side of the locking block 104, and chamfers are provided at both ends of the lower opening of the locking cavity 105. A pair of wedges 106 are provided on the upper end of the convex connecting block 103.

[0054] Optionally, the merging mechanism can also adopt a more stable mechanical structure locking block 104. Specifically, the locking block 104 is fixed to the lower end of the convex connecting block 102, and a pair of wedges 106 are provided at the upper end of the convex connecting block 2 103. The wedges 106 are adapted to the locking cavity 105. When the pressure plate 3 presses down on the base vertical frame 6, the locking block 104 contacts the convex connecting block 2 103, and the wedges 106 slide along the chamfered edge of the locking cavity 105, thereby completing the locking and fixing of the two.

[0055] A vertical groove is provided on the middle side of the convex connecting block 103. An extension rod 107 is provided on one side of the wedge block 106. A hinge seat 108 is provided on the middle side of the extension rod 107. A pair of hinge seats 108 are hinged to each other and fixed to the middle side of the vertical groove. An offset seat 109 is fixedly connected to the lower end of the extension rod 107. A roller 110 is provided at one end of the offset seat 109. A liftable roller 111 is provided at the lower end of a pair of rollers 110.

[0056] Optionally, a torsion spring is provided in a pair of hinge seats 108 so that in the initial state, a pair of rollers 110 are in contact and wedges 106 are locked inside the engagement cavity 105. When it is necessary to unload the welded base body, the two need to be released from engagement. The rollers 111 move upward and lock into the two along the arc surface of the pair of rollers 110. Under the principle of hinge connection, the upper ends of a pair of extension rods 107 are driven to flip towards the middle, so that the pair of wedges 106 are relatively close, thus releasing the engagement with the engagement cavity 105, so that the second convex connecting block 103 and the first convex connecting block 102 are separated from each other, and the pressure plate 3 can release the base body to complete the unloading.

[0057] One end of the limiting rod 201 is inserted into the positioning block 2 and slidably engaged with it. One end of the limiting rod 201 is fixedly connected to a trapezoidal block 1 202. A trapezoidal block 203 is slidably engaged on the upper side of the trapezoidal block 1 202. A top rod 204 is fixedly connected to the upper end of the trapezoidal block 203. The top rod 204 is inserted into the upper end of the positioning block 2 and slidably engaged with it.

[0058] Preferably, to improve the stability of the base body during unloading and to prevent the limiting rod 201 of the positioning block 2 from remaining stuck in the mounting hole of the base frame 6 after the pressure plate 3 is released, thus preventing the base body from being hung up and unloaded smoothly, the limiting rod 201 is designed to be telescopic and a sliding cavity is provided on the inner side of the positioning block 2. Specifically, a spring is sleeved on the outer side of the limiting rod 201, and a spring is also sleeved on the outer side of the top rod 204. In the initial state, the spring causes the trapezoidal block 202 and the limiting rod 201 to retract into the inner side of the positioning block 2, facilitating the placement of the base frame 6 for loading. Then, when the pressure plate 3 is pressed down, the top rod... When trapezoidal block 204 and trapezoidal block 203 are pressed down, trapezoidal block 203 slides against the inclined surface of trapezoidal block 202, thereby pushing trapezoidal block 202 to move horizontally. This causes the limiting rod 201 to extend out of the positioning block 2 and be inserted into the mounting hole of the base vertical frame 6. When unloading is required, the pressure plate 3 rises and resets. The top rod 204 and the limiting rod 201 are also reset under the reset action of the spring. The limiting rod 201 retracts into the positioning block 2, causing the base body to lose support, thus unloading smoothly. This achieves synchronous control of the pressure plate 3 and the limiting rod 201, realizing the function of automatic clamping or releasing. The structure is simple and highly practical.

[0059] One end of the welding workbench 5 is fixedly connected to a material discharge slide 7.

[0060] Preferably, the unloaded base body falls into the unloading slide 7 and moves to the next process.

[0061] A rotary table 8 is fixedly connected to the lower end of a pair of support bases 101. A heightening plate 801 is fixedly connected to the lower center of the rotary table 8. The lower end of the heightening plate 801 is rotatably connected to the welding worktable 5. The heightening plate 801 is driven to rotate by a motor 802.

[0062] Preferably, a heightening plate 801 is provided, so that there is a distance difference between the welding workbench 5 and the rotary table 8, thereby avoiding interference between the base plate 601 and the rotary table 8, and also leaving enough space for movement to facilitate the rotation and unloading of the base plate 601.

[0063] The rotary table 8 has a pair of stepped openings 4 through it. The lower end of the roller 111 is fixedly connected to a support block, and the lower end of the support block is fixedly connected to a step plate 401. The step plate 401 is adapted to the step opening 4.

[0064] The step plate 401 is raised and lowered by a lifting mechanism.

[0065] Preferably, a step plate 401 is provided on the lower side of the roller 111. The step plate 401 is driven by a lifting mechanism at the unloading station. When the base body to be unloaded rotates to the unloading station, the step plate 401 is above the lifting mechanism. The lifting mechanism can drive the step plate 401 to move the support block and roller 111 upward, thereby releasing the merging mechanism and completing the unloading.

[0066] Preferably, the lifting mechanism includes a lifting rod 701, which is driven to lift by a cylinder assembly.

[0067] A limit stop 301 is fixedly connected to the outer end of the pressure plate 3, and a square block 302 is fixedly connected to the lower end of the pressure plate 3. The limit stop 301 and the square block 302 are in clearance fit with the base vertical frame 6.

[0068] Preferably, in order to further ensure the positional stability of the base body during the unloading rotation process and to prevent it from detaching from the welding fixture due to centrifugal force, a limit block 301 is provided. Specifically, when the pressure plate 3 descends, the base vertical frame 6 is restricted between the two by the limit block 301 and the square block 302, which further limits the position and prevents it from detaching during the rotation process, thereby improving stability.

[0069] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection, the internal communication between two components, or the interaction between two components. Those skilled in the art can understand the meaning of the above terms in this application according to the specific circumstances.

[0070] The welding device for photovoltaic bracket base provided in the embodiments of this application has been described in detail above. Specific examples have been used to illustrate the principle and implementation of this application. The description of the above embodiments is only for the purpose of helping to understand the technical solution and core idea of ​​this application. Those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A welding device for photovoltaic bracket bases, comprising a rotary unloading section (1) and a welding worktable (5) with positioning grooves, characterized in that: The rotary unloading part (1) has a pair of welding fixtures at both ends that can clamp the base vertical frame (6); The welding fixture includes a positioning block (2) for aligning the position of the base vertical frame (6); The upper side of the positioning block (2) is provided with a pressure plate (3) for pressing the base vertical frame (6); One end of the positioning block (2) is provided with a limiting rod (201) that can extend into the mounting hole of the base frame (6). A merging mechanism is provided between the pressure plate (3) and the positioning block (2) to fix them together. The rotary unloading part (1) also includes a pair of support seats (101). A hollow groove is opened on the inner side of the support seat (101). A convex connecting block one (102) and a convex connecting block two (103) are slidably fitted in the hollow groove. One end of the support seat (101) is provided with an orifice groove. One end of the convex connecting block one (102) is connected to the pressure plate (3). One end of the second convex connecting block (103) is connected to the positioning block (2). The upper end of the first convex connecting block (102) is provided with a lifting drive mechanism. The merging mechanism includes a locking block (104), and the locking block (104) has a locking cavity (105) on its inner side. The lower end of the locking cavity (105) has chamfers at both ends. The upper end of the second convex connecting block (103) is provided with a pair of wedges (106). The locking block (104) is fixed to the lower end of the first convex connecting block (102). The wedges (106) are adapted to the locking cavity (105).

2. The welding device for photovoltaic bracket base according to claim 1, characterized in that: One end of the limiting rod (201) penetrates into the positioning block (2) and slides with it. One end of the limiting rod (201) is fixedly connected to a trapezoidal block one (202). The upper side of the trapezoidal block one (202) is slidably connected to a trapezoidal block two (203). The upper end of the trapezoidal block two (203) is fixedly connected to a top rod (204). The top rod (204) penetrates the upper end of the positioning block (2) and slides with it.

3. The welding device for photovoltaic bracket base according to claim 1, characterized in that: One end of the welding workbench (5) is fixedly connected to a material drop chute (7).

4. The welding device for photovoltaic bracket base according to claim 1, characterized in that: A rotary table (8) is fixedly connected to the lower end of a pair of support bases (101). A heightening plate (801) is fixedly connected to the lower center of the rotary table (8). The lower end of the heightening plate (801) is rotatably connected to the welding workbench (5). The heightening plate (801) is driven to rotate by a motor (802).

5. The welding device for photovoltaic bracket base according to claim 1, characterized in that: The outer end of the pressure plate (3) is fixedly connected to a limit block (301), and the lower end of the pressure plate (3) is fixedly connected to a square block (302). The limit block (301) and the square block (302) are in clearance fit with the base vertical frame (6).

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