Automobile backboard net bag welding device

Abstract

The utility model relates to the technical field of automobile seat back plates, in particular to an automobile back plate net bag welding device which comprises an installation frame, a fan, a limiting assembly, a pressing assembly and a welding assembly. The welding assembly is mounted at the top end of the mounting frame, and the bottom end extends towards the edge of the net bag on the inner side of the mounting frame and is communicated with an external electric control device; the fan is installed on the upper portion of the bottom end of the welding assembly, located on the inner side of the installation frame and arranged towards the inner side of the welding assembly. The limiting assembly is arranged at the bottom end of the inner side of the mounting frame and is movably connected with the back plate screen frame; the position of the back plate net frame is limited, the welding assembly extends towards the net bag, the whole edge of the net bag is welded to the back plate net frame at the same time, the welding efficiency is improved, in the extending process of the welding assembly, the welding assembly drives the pressing assembly to make contact with the net bag firstly, the position of the net bag is fixed, and the welding efficiency is improved. And the problem of welding quality reduction caused by deviation of the net bag position is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile seat backboard, specifically relates to a car backboard net bag welding device. BACKGROUND

[0002] The automobile backboard is usually composed of a backboard body, a mesh frame and a mesh bag, and the mesh bag needs to be welded with the mesh frame in the processing.

[0003] The Chinese patent document with the authorized announcement number CN219360364U discloses a backboard mesh bag welding tool, which comprises an operating table, a lap joint plate fixedly installed at one end of the operating table, a welding head arranged on the lap joint plate, a work plate fixedly installed at the upper end of the operating table, a backboard mold placed on the work plate, a clamping mechanism fixedly installed on the work plate, and a plurality of clamping mechanisms arranged around the backboard mold.

[0004] However, the above-mentioned scheme needs to use a welding head to connect the mesh bag with the backboard mesh frame during use, and due to the shape of the mesh bag, the welding points have multiple, and the mesh hole positions of the multiple mesh bags will appear different situations, which needs to correspond the welding head with the mesh bag welding points one by one, resulting in the reduction of the mesh bag welding efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a car backboard mesh bag welding device.

[0006] The technical scheme of the utility model: a car backboard mesh bag welding device, comprising a mounting frame, a fan, a limiting assembly, a pressing assembly and a welding assembly.

[0007] The welding assembly is installed at the top end of the mounting frame, and the bottom end extends to the mesh bag edge inside the mounting frame and is in communication with the external electric control device.

[0008] The fan is installed on the bottom part of the welding assembly and located inside the mounting frame, and the fan is arranged towards the inside of the welding assembly.

[0009] The limiting assembly is arranged at the bottom end inside the mounting frame and is movably connected with the backboard mesh frame.

[0010] The pressing assembly is installed inside the welding assembly and located directly above the mesh bag middle part.

[0011] Preferably, the welding assembly comprises a telescopic rod, a connecting shell and a heating block.

[0012] The telescopic rod is installed at the top end of the mounting frame, and the end part extends to the inside of the mounting frame.

[0013] The connecting shell is installed at the end part of the telescopic rod and located inside the mounting frame.

[0014] The heating block is installed at the bottom end of the connecting shell.

[0015] Preferably, the inner bottom end of the mounting frame is provided with a mounting groove, and the back plate net frame is located in the inner side of the mounting groove, and the size value of the mounting groove is the same as the size value of the outer side of the back plate net frame.

[0016] Preferably, the inner side of the mounting groove and located in the inner side of the back plate net frame is provided with a protrusion, and the top end of the protrusion is flush with the inner bottom end of the back plate net frame.

[0017] Preferably, the limiting assembly comprises a limiting plate, a first spring and a limiting shell.

[0018] The limiting shell is installed at the top end of the mounting frame and has a projected shape in the form of L;

[0019] The number of the first springs is multiple, and the multiple first springs are all installed in the inner side of the limiting shell and extend into the bottom end of the mounting frame.

[0020] The limiting plate is installed at the end of the first spring and is in sliding connection with the mounting frame and the limiting shell.

[0021] Preferably, the pressing assembly comprises a connecting frame, a second spring and a pressing plate.

[0022] The connecting frame is installed in the inner side of the connecting shell.

[0023] The number of the second springs is multiple, and the multiple second springs are installed in the inner side of the connecting shell at the inner top end of the connecting shell.

[0024] The pressing plate is installed at the bottom end of the second spring and has an edge size value greater than the inner side size value of the connecting frame.

[0025] Preferably, the fan is arranged towards the inner side of the connecting frame, and the surface of the connecting frame is provided with multiple through holes towards the inner wall of the connecting shell.

[0026] Preferably, the top end of the pressing plate and close to the edge is provided with a connecting plate, the connecting plate is inserted in the inner side of the connecting frame and is in sliding connection with the inner wall of the connecting frame.

[0027] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0028] The utility model discloses a back plate net frame position limiting assembly, pressing assembly and melting assembly, and the back plate net frame position limiting assembly is arranged on the mounting frame, and the back plate net frame is arranged in the inner side of the mounting frame. BRIEF DESCRIPTION OF DRAWINGS

[0029] Fig. 1-2A perspective view of an embodiment of the utility model.

[0030] Fig. 3 An explosion schematic view of the limiting assembly structure in an embodiment of the utility model.

[0031] Fig. 4 An explosion schematic view of the pressing assembly structure in an embodiment of the utility model.

[0032] Reference Signs: 1, mounting frame;2, telescopic rod;3, fan;4, connecting shell;5, heating block;6, limiting assembly;61, limiting plate;62, first spring;63, limiting shell;7, pressing assembly;71, connecting frame;72, through hole;73, second spring;74, connecting plate;75, pressing plate;8, mounting groove;9, protruding block. DETAILED DESCRIPTION

[0033] Embodiment one

[0034] As Fig. 1-4 shown, the utility model discloses a car backboard net bag fusion welding device, including mounting frame 1, fan 3, limiting assembly 6, pressing assembly 7 and fusion welding assembly;

[0035] Fusion welding assembly is installed at the top of mounting frame 1, and the bottom end extends to the net bag edge of the inside of mounting frame 1 and communicates with outside electric control device;

[0036] Fan 3 is installed on the bottom of fusion welding assembly upper portion and is located at the inside of mounting frame 1, and fan 3 is arranged towards the inside of fusion welding assembly;

[0037] Limiting assembly 6 is arranged at the inside bottom end of mounting frame 1 and is movably connected with backboard net frame;

[0038] Pressing assembly 7 is installed at the inside of fusion welding assembly and is located just above the middle of net bag.

[0039] In this embodiment, by placing backboard net frame at the inside bottom end of mounting frame 1, limiting assembly 6 extends to the top end of backboard net frame and limits backboard net frame, and net bag is placed on backboard net frame, at the same time, outside electric control device controls fusion welding assembly preheating, and makes fusion welding assembly drive fan 3 and pressing assembly 7 move to outside electric control device backboard net frame, at the same time, pressing assembly 7 presses and fixes the middle of net bag on mounting frame 1 and makes pressing assembly 7 shrink, and fusion welding assembly simultaneously fuses net bag edge, so as to realize the firm connection of net bag and backboard net frame, reduce the fusion welding times of net bag, improve fusion welding efficiency and quality.

[0040] Embodiment two

[0041] As Fig. 1-2As shown, the present invention proposes a welding device for a car back panel mesh bag. Compared with Embodiment 1, in this embodiment, the welding assembly includes a telescopic rod 2, a connecting shell 4, and a heating block 5.

[0042] The telescopic rod 2 is installed at the top of the mounting frame 1, and its end extends into the inside of the mounting frame 1 to ensure precise alignment during welding. The telescopic rod 2 can be either an electric telescopic rod or a hydraulic cylinder.

[0043] The connecting shell 4 is installed at the end of the telescopic rod 2 and is located inside the mounting bracket 1;

[0044] The heating block 5 is installed at the bottom of the connecting shell 4 and is heated and melted when it comes into contact with the net bag by an external electrical control device, so that the net bag and the back plate frame are fused together.

[0045] In this embodiment, the telescopic rod 2 drives the connecting shell 4 to move downward, so that the connecting shell 4 drives the heating block 5 to move towards the net bag. During the movement, the heating block 5 controls the temperature through an external electronic control device, so that when the heating block 5 comes into contact with the net bag, the net bag and the back plate frame are fused together.

[0046] Example 3

[0047] like Fig. 3 As shown, the present invention proposes a welding device for automotive back panel mesh bags. Compared with Embodiment 1, in this embodiment, the inner bottom end of the mounting frame 1 is provided with a mounting groove 8, and the back panel mesh frame is located inside the mounting groove 8. The size of the mounting groove 8 is the same as the outer size of the back panel mesh frame. By setting the mounting groove 8, the position of the back panel mesh frame during the welding process can be ensured, avoiding welding quality problems caused by position deviation, and improving the accuracy and reliability of welding.

[0048] In an optional embodiment, a protrusion 9 is provided on the inner side of the mounting groove 8 and located inside the back plate mesh frame. The top of the protrusion 9 is flush with the bottom of the inner side of the back plate mesh frame. The protrusion 9 further improves the connection stability between the welding assembly and the back plate mesh frame, ensuring accurate alignment during the welding process, thereby improving welding efficiency and quality. Moreover, the mesh bag is placed horizontally inside the back plate mesh frame, preventing the mesh bag from shifting during welding.

[0049] Example 4

[0050] like Fig. 3 As shown, the present invention proposes a welding device for a car back panel mesh bag. Compared with Embodiment 1, in this embodiment, the limiting component 6 includes a limiting plate 61, a first spring 62, and a limiting shell 63.

[0051] The limiting shell 63 is installed at the top of the mounting bracket 1 and its projected shape is L-shaped;

[0052] The first springs 62 are arranged in multiple numbers, and each of the first springs 62 is arranged inside the limiting shell 63 and extends to the bottom end of the mounting frame 1.

[0053] The limiting plate 61 is arranged at the end of the first spring 62 and is in sliding connection with the mounting frame 1 and the limiting shell 63 through the characteristics of the first spring 62 in use.

[0054] In the embodiment, the back plate net frame drives the limiting plate 61 to compress the first spring 62, so that the limiting plate 61 slides inside the limiting shell 63, and when the back plate net frame moves to the preset position, the limiting plate 61 is reset through the elastic force of the first spring 62, so that the limiting plate 61 limits the back plate net frame through the limiting shell 63, and the situation that the heating block 5 moves upward to drive the back plate net frame to move upward synchronously is avoided.

[0055] Embodiment five

[0056] As shown in Fig. 4 The utility model discloses a kind of automobile back plate net bag welding devices, compared with embodiment one, in the embodiment, pressing assembly 7 includes connecting frame 71, second spring 73 and pressing plate 75;

[0057] Connecting frame 71 is installed inside the connecting shell 4;

[0058] The number of second springs 73 has multiple, and multiple second springs 73 are arranged inside the connecting frame 71 and installed inside the top end of the connecting shell 4.

[0059] Pressing plate 75 is installed at the bottom end of second spring 73 and the edge size value is greater than the inside size value of connecting frame 71.

[0060] In an optional embodiment, fan 3 is arranged towards the inside of connecting frame 71, and the surface of connecting frame 71 is provided with a plurality of through holes 72 towards the inner wall of connecting shell 4, so that the fan 3 delivers wind to the welding position through the through holes 72 after welding, accelerates the solidification speed between the net bag and the back plate net frame, and improves the welding efficiency.

[0061] In an optional embodiment, connecting plate 74 is arranged at the top end of pressing plate 75 and close to the edge, and the connecting plate 74 is inserted inside the connecting frame 71 and in sliding connection with the inner wall of the connecting frame 71, so that the position of the net bag is limited by the insertion design of the connecting plate 74, the position of the net bag is more stable during the welding process, the position deviation during the welding process is avoided, and the accuracy and reliability of the welding are improved.

[0062] In the embodiment, when the heating block 5 is moved to the net bag by the connecting shell 4, the connecting shell 4 drives the pressing plate 75 to move to the middle of the net bag by the second spring 73, so that the pressing plate 75 is first contacted with the net bag and is pressed and fixed on the top end of the protrusion 9 by the elastic force of the second spring 73, thereby avoiding the problem of fusion quality caused by position deviation of the net bag.

[0063] In summary, in use, the back plate net frame is limited by the cooperation of the protrusion 9 and the mounting groove 8, and the net bag is horizontally placed inside the back plate net hole, in the process of placing the back plate net frame, the back plate net frame drives the limiting plate 61 to compress the first spring 62, so that the limiting plate 61 slides inside the limiting shell 63, and when the back plate net frame moves to the preset position, the limiting plate 61 is reset by the elastic force of the first spring 62, so that the limiting plate 61 limits the back plate net frame by the limiting shell 63, thereby avoiding the situation that the heating block 5 moves upward to drive the back plate net frame to move upward synchronously, and at the same time, the connecting shell 4 is driven to move downward by the telescopic rod 2, so that the connecting shell 4 drives the heating block 5 to move to the net bag, and in the moving process, the connecting shell 4 drives the pressing plate 75 to move to the middle of the net bag by the second spring 73, so that the pressing plate 75 is first contacted with the net bag and is pressed and fixed on the top end of the protrusion 9 by the elastic force of the second spring 73, at the same time, the temperature of the heating block 5 is controlled by the external control device, so that the net bag is fused with the back plate net frame when the heating block 5 is contacted with the net bag, and the shape of the heating block 5 is used to make all edges of the net bag be fused with the back plate net frame synchronously, and after fusion, the fan 3 sends air to the fusion position through the through hole 72, so as to accelerate the cooling speed of the net bag and the back plate net frame, thereby avoiding the adhesion of the net bag and the back plate net frame with the heating block 5, and improving the fusion efficiency of the net bag.

[0064] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, various changes can be made within the knowledge range of the technical personnel in the technical field without departing from the purpose of the utility model.

Claims

1. A welding device for automotive back panel mesh pockets, characterized in that, It includes a mounting bracket (1), a fan (3), a limiting assembly (6), a pressing assembly (7), and a welding assembly; The welding assembly is installed at the top of the mounting frame (1), and the bottom end extends to the edge of the mesh bag inside the mounting frame (1) and is connected to the external electrical control device; The fan (3) is installed on the upper part of the bottom of the welding assembly and is located inside the mounting bracket (1). The fan (3) is arranged facing the inside of the welding assembly. The limiting component (6) is located at the bottom inner side of the mounting bracket (1) and is movably connected to the back plate frame; The pressing component (7) is installed inside the welding component and is located directly above the center of the mesh bag.

2. The automotive back panel mesh welding device according to claim 1, characterized in that, The welding assembly includes a telescopic rod (2), a connecting shell (4), and a heating block (5); The telescopic rod (2) is installed at the top of the mounting bracket (1) and its end extends into the inside of the mounting bracket (1); The connecting shell (4) is installed at the end of the telescopic rod (2) and is located inside the mounting bracket (1); The heating block (5) is installed at the bottom of the connecting shell (4).

3. The automotive back panel mesh welding device according to claim 1, characterized in that, The mounting bracket (1) has an inner bottom groove (8) and the back plate frame is located inside the mounting groove (8). The dimensions of the mounting groove (8) are the same as the dimensions of the outer side of the back plate frame.

4. The automotive back panel mesh welding device according to claim 3, characterized in that, A protrusion (9) is provided on the inner side of the mounting groove (8) and on the inner side of the back plate frame. The top of the protrusion (9) is flush with the bottom of the inner side of the back plate frame.

5. The automotive back panel mesh welding device according to claim 1, characterized in that, The limiting assembly (6) includes a limiting plate (61), a first spring (62), and a limiting shell (63); The limiting shell (63) is installed on the top of the mounting bracket (1) and its projected shape is L-shaped; There are multiple first springs (62), and multiple first springs (62) are installed inside the limiting shell (63) and extend into the bottom end of the mounting bracket (1); The limiting plate (61) is installed at the end of the first spring (62) and is slidably connected to the mounting bracket (1) and the limiting shell (63).

6. The automotive back panel mesh welding device according to claim 2, characterized in that, The pressing assembly (7) includes a connecting frame (71), a second spring (73), and a pressure plate (75); The connecting frame (71) is installed on the inside of the connecting shell (4); There are multiple second springs (73), and multiple second springs (73) are located inside the connecting frame (71) and installed on the inner top of the connecting shell (4); The pressure plate (75) is installed at the bottom of the second spring (73) and its edge dimension is greater than the inner dimension of the connecting frame (71).

7. The automotive back panel mesh welding device according to claim 6, characterized in that, The fan (3) is arranged facing the inside of the connecting frame (71), and the surface of the connecting frame (71) is provided with a plurality of through holes (72) facing the inner wall of the connecting shell (4).

8. The automotive back panel mesh welding device according to claim 6, characterized in that, A connecting plate (74) is provided at the top of the pressure plate (75) and near the edge. The connecting plate (74) is inserted into the inner side of the connecting frame (71) and is slidably connected to the inner wall of the connecting frame (71).

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