Forming and welding mechanism for smoke exhaust fire damper

Abstract

The utility model discloses a kind of smoke exhaust fire damper forming welding mechanism, it is related to fire damper welding technical field, including workbench, fixed assembly for being used to limit fire damper frame is positioned on workbench, lifting platform is set to the below of workbench, the bottom surface of workbench is equipped with second electric push rod, and the telescopic end of second electric push rod is installed on lifting platform, two groups of second movement grooves are opened in lifting platform, sliding block is slidably connected in each second movement groove, the top end of sliding block is fixedly connected with linkage shaft. The utility model design structure is reasonable, it is lifted by the aid of second electric push rod to drive lifting platform, cooperate with the same inclination angle design of first movement groove and second movement groove, linkage shaft can drive welding gun to move longitudinally along inclined trajectory in lifting process, so that welding gun can form continuous longitudinal weld along the lap joint of fire damper frame, avoid the condition that weld is broken or incomplete, effectively improve the sealing and strength of welding.

Description

Technical Field

[0001] This utility model relates to the field of fire damper welding technology, specifically a smoke exhaust fire damper forming and welding mechanism. Background Technology

[0002] A smoke exhaust fire damper is a fire protection component, usually installed on the duct of a mechanical smoke exhaust system. It is normally open and opens to exhaust smoke in the event of a fire. It closes when the temperature of the smoke in the exhaust duct reaches 280 degrees Celsius and meets the requirements for smoke leakage and fire resistance integrity for a certain period of time, thus playing the role of smoke isolation and fire prevention. The main materials are carbon steel, galvanized sheet, and stainless steel.

[0003] Chinese patent CN216325937U discloses a forming and welding device for the production process of fire dampers. It uses gears to drive a toothed plate to move, and with the use of a limiting structure, the welding structures on both sides can be adjusted outward or inward at the same time. This facilitates automatic adjustment of the welding position according to the size of the fire damper frame, thereby improving the applicability of the welding device. It is convenient for welding operations of fire dampers of different sizes, and the adjustment operation is simple, making it convenient for users to operate.

[0004] The above-mentioned solution uses gears and racks to adjust the position of the welding head. However, because the welding torch can only move laterally, it is difficult to form a complete weld when welding the surface of the fire damper body, resulting in poor weld quality. Furthermore, since the welding torch is inserted into the frame for welding, it is difficult to remove it freely from the base plate after the frame is welded into a square structure. Therefore, we provide a smoke exhaust fire damper forming and welding mechanism to solve these problems. Utility Model Content

[0005] 1) Technical problems to be solved

[0006] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a forming and welding mechanism for smoke exhaust fire dampers.

[0007] (ii) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a smoke exhaust fire damper forming and welding mechanism, comprising:

[0009] A workbench, on which a fixing component is provided for limiting the position of the fire damper frame.

[0010] A lifting platform is located below the workbench. A second electric push rod is installed on the bottom surface of the workbench, and the telescopic end of the second electric push rod is installed on the lifting platform. Two sets of second moving slots are provided on the lifting platform. A slider is slidably connected in each second moving slot, and a linkage shaft is fixedly connected to the top of the slider.

[0011] Two sets of first moving slots are provided on the worktable. The top end of the linkage shaft passes through the first moving slot and is fixedly connected to the welding gun. The lifting platform is provided with an adjustment component that achieves synchronous movement of the welding gun by moving the slider.

[0012] Furthermore, a support frame is fixedly connected to the bottom surface of the workbench.

[0013] Furthermore, the fixing assembly includes two fixing plates fixedly connected to the workbench and two mounting seats fixedly connected to the workbench. Each of the two mounting seats is equipped with a first electric push rod, and the telescopic end of the first electric push rod is fixedly connected to a movable plate.

[0014] Furthermore, the fixed plate and the movable plate are arranged perpendicular to each other, with the fixed plate abutting against the inner wall of the fire damper frame and the movable plate abutting against the outer wall of the fire damper frame.

[0015] Furthermore, the adjustment assembly includes two third electric push rods installed on the lifting platform. The telescopic ends of the two third electric push rods are each equipped with a linkage block. The lifting platform is provided with two sets of third moving slots. Each third moving slot is slidably connected to a moving seat. A second hinge rod is hinged to the linkage block, and the end of the second hinge rod away from the linkage block is hinged to the moving seat.

[0016] Furthermore, a first hinge rod is hinged to the movable seat, and the end of the first hinge rod away from the movable seat is hinged to the slider.

[0017] (iii) Beneficial effects:

[0018] Compared with existing technologies, the forming and welding mechanism of this smoke exhaust fire damper has the following advantages:

[0019] I. This utility model uses a second electric push rod to drive the lifting platform to rise and fall. With the same tilt angle design of the first and second moving grooves, the linkage shaft can drive the welding gun to move longitudinally along the tilted trajectory during the lifting process. This allows the welding gun to form a continuous longitudinal weld along the overlap of the fireproof valve frame, avoiding weld breakage or incompleteness, and effectively improving the sealing performance and strength of the weld.

[0020] Second, this utility model can drive the slider to slide in the moving groove through the linkage of the third electric push rod, the linkage block and the hinge rod, so as to flexibly adjust the position of the welding gun. During welding, the welding gun can be accurately aligned with the weld. After welding is completed, the third electric push rod extends to allow the welding gun to be quickly withdrawn from the weld of the frame, avoiding interference with the disassembly of the frame. This solves the problem that it is difficult to remove the finished product after the welding gun is inserted into the frame in the traditional device.

[0021] Third, by setting up a fixing component, this utility model utilizes the vertical cooperation between the fixing plate and the moving plate, combined with the telescopic adjustment of the first electric push rod, to abut the inner wall of the short side of the fire damper frame against the fixing plate, while the outer wall of the long side is firmly fixed by the moving plate. This can accurately fix the connection between the long and short sides of the frame, avoiding weld misalignment caused by positional displacement during welding. It fundamentally solves the problem of poor welding quality caused by component shaking in traditional welding, ensuring the stability of the frame structure after welding. Attached Figure Description

[0022] Figure 1 The three-dimensional representation of this utility model Figure 1 ;

[0023] Figure 2 This utility model Figure 1 Enlarged schematic diagram of the structure at point A;

[0024] Figure 3 The three-dimensional representation of this utility model Figure 2 ;

[0025] Figure 4 This is a cross-sectional view of the present invention.

[0026] In the diagram: 1. Workbench; 2. Support frame; 3. Fixed plate; 4. Mounting seat; 5. First electric push rod; 6. Moving plate; 7. Lifting platform; 8. Second electric push rod; 9. First moving slot; 10. Welding gun; 11. Second moving slot; 12. Slider; 13. Third moving slot; 14. Moving seat; 15. First hinge rod; 16. Third electric push rod; 17. Linkage block; 18. Second hinge rod; 19. Linkage shaft. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figure 1-4 As shown, this utility model provides a technical solution: a smoke exhaust fire damper forming and welding mechanism, including a workbench 1, a lifting platform 7 and two sets of first moving slots 9.

[0029] The bottom surface of the workbench 1 is fixedly connected to a support frame 2, which supports the workbench 1 at the bottom, so that there is a certain distance between the bottom surface of the workbench 1 and the ground. The workbench 1 is equipped with a fixing component for limiting the fire damper frame.

[0030] In this embodiment, the fixing component includes two fixing plates 3 fixedly connected to the workbench 1 and two mounting bases 4 fixedly connected to the workbench 1. A first electric push rod 5 is installed on each of the two mounting bases 4, and a movable plate 6 is fixedly connected to the telescopic end of the first electric push rod 5.

[0031] The fixed plate 3 and the movable plate 6 are arranged perpendicular to each other. The fixed plate 3 abuts against the inner wall of the fire damper frame, and the movable plate 6 abuts against the outer wall of the fire damper frame.

[0032] When placing the protective valve frame, first place the inner walls of the two short sides of the protective valve frame against the fixing plate 3 to complete the pre-positioning of the protective valve frame. Then place the two long sides on the other two sides, and the two ends of the short sides will abut against the two long sides. Then, the telescopic end of the first electric push rod 5 drives the moving plate 6 to move to the position of contact with the long sides, forming a frame structure with the two long sides and the two short sides. The fixing plate 3 and the moving plate 6 are used to fix the connection between the long sides and the short sides to avoid poor welding quality due to the offset of the welding point during welding.

[0033] The lifting platform 7 is located below the workbench 1. The bottom surface of the workbench 1 is equipped with a second electric push rod 8, and the telescopic end of the second electric push rod 8 is installed on the lifting platform 7. The lifting platform 7 is provided with two sets of second moving slots 11. Each second moving slot 11 is slidably connected to a slider 12, and the top of the slider 12 is fixedly connected to a linkage shaft 19.

[0034] The lifting platform 7 is moved up and down by the telescopic end of the second electric push rod 8, and the linkage shaft 19 is moved up and down synchronously by the slider 12 on the lifting platform 7. Moreover, the second moving groove 11 is a dovetail groove, which allows the lifting platform 7 to move synchronously by driving the slider 12 through the second moving groove 11.

[0035] Furthermore, two sets of first moving slots 9 are opened on the worktable 1. The top end of the linkage shaft 19 passes through the first moving slot 9 and is fixedly connected to the welding gun 10. The welding gun 10 is an existing structure, consisting of a controller, power supply and other structures. The welding gun 10 can be used to weld the weld seam. The lifting platform 7 is equipped with an adjustment component that moves the welding gun 10 synchronously by moving the slider 12.

[0036] The first moving groove 9 and the second moving groove 11 have the same inclination angle. When the linkage shaft 19 moves up and down, it can slide in the first moving groove 9 and drive the welding gun 10 to move longitudinally. This allows the welding gun 10 to perform longitudinal welding on the overlap of the fire damper frame, forming a longitudinal weld seam to ensure the structural stability of the fire damper frame after welding.

[0037] In this embodiment, the adjustment assembly includes two third electric push rods 16 mounted on the lifting platform 7. The telescopic ends of the two third electric push rods 16 are each equipped with a linkage block 17. The lifting platform 7 has two sets of third moving slots 13. Each third moving slot 13 is slidably connected to a moving seat 14. A second hinge rod 18 is hinged to the linkage block 17, and the end of the second hinge rod 18 away from the linkage block 17 is hinged to the moving seat 14. A first hinge rod 15 is hinged to the moving seat 14, and the end of the first hinge rod 15 away from the moving seat 14 is hinged to the slider 12.

[0038] After the fire damper frame is fixed, the telescopic end of the third electric push rod 16 can be retracted, and the third electric push rod 16 can drive the linkage block 17 to move synchronously. Under the action of the second hinge rod 18, the moving seat 14 slides inside the third moving groove 13. Under the action of the first hinge rod 15, the first hinge rod 15 drives the slider 12 to move synchronously inside the second moving groove 11, thereby moving the welding end of the welding gun 10 on the linkage shaft 19 to the welding position, so that the welding end of the welding gun 10 is aligned with the weld. After the welding is completed, the telescopic end of the third electric push rod 16 is extended, and the welding end of the welding gun 10 is moved out of the weld of the fire damper frame, so as to avoid the welding gun 10 limiting the movement of the fire damper frame.

[0039] It should be noted that in this document, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, unless otherwise explicitly specified and limited, the terms "fixed," "installed," "connected," and "linked" should be interpreted broadly. For example, "installed" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a mechanical connection or an electrical connection; "linked" can be a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0040] Although embodiments of the present 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 present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A forming and welding mechanism for a smoke exhaust fire damper, characterized in that, include: Workbench (1), the workbench (1) is provided with a fixing component for limiting the fire damper frame; A lifting platform (7) is set below the workbench (1). A second electric push rod (8) is installed on the bottom surface of the workbench (1), and the telescopic end of the second electric push rod (8) is installed on the lifting platform (7). Two sets of second moving slots (11) are opened on the lifting platform (7). A slider (12) is slidably connected in each second moving slot (11). A linkage shaft (19) is fixedly connected to the top of the slider (12). Two sets of first moving slots (9) are opened on the workbench (1). The top end of the linkage shaft (19) passes through the first moving slot (9) and is fixedly connected to the welding gun (10). The lifting platform (7) is provided with an adjustment component that moves the welding gun (10) synchronously by moving the slider (12).

2. The forming and welding mechanism for a smoke exhaust fire damper according to claim 1, characterized in that: The bottom surface of the workbench (1) is fixedly connected to a support frame (2).

3. The forming and welding mechanism for a smoke exhaust fire damper according to claim 1, characterized in that: The fixing assembly includes two fixing plates (3) fixedly connected to the workbench (1) and two mounting seats (4) fixedly connected to the workbench (1). Each of the two mounting seats (4) is equipped with a first electric push rod (5), and the telescopic end of the first electric push rod (5) is fixedly connected to a moving plate (6).

4. The forming and welding mechanism for a smoke exhaust fire damper according to claim 3, characterized in that: The fixed plate (3) and the movable plate (6) are arranged perpendicular to each other. The fixed plate (3) abuts against the inner wall of the fire damper frame, and the movable plate (6) abuts against the outer wall of the fire damper frame.

5. The forming and welding mechanism for a smoke exhaust fire damper according to claim 1, characterized in that: The adjustment assembly includes two third electric push rods (16) installed on the lifting platform (7). The telescopic ends of the two third electric push rods (16) are equipped with linkage blocks (17). The lifting platform (7) has two sets of third moving slots (13). Each third moving slot (13) is slidably connected to a moving seat (14). A second hinge rod (18) is hinged on the linkage block (17), and the end of the second hinge rod (18) away from the linkage block (17) is hinged to the moving seat (14).

6. The forming and welding mechanism for a smoke exhaust fire damper according to claim 5, characterized in that: A first hinge rod (15) is hinged to the movable seat (14), and the end of the first hinge rod (15) away from the movable seat (14) is hinged to the slider (12).

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