A double-station frame welding fixture

Abstract

This utility model relates to a dual-station frame welding fixture, including a first frame, a second frame, a first mounting plate, and a second mounting plate. Multiple clamping modules and fixing modules are provided on the top of both the first and second mounting plates. Each clamping module includes a first cylinder, a first support rod, a second support rod, a fixing block, and a pressure rod. Positioning grooves are provided at the middle of the top of both the first and second support rods. By adopting the above technical solution, the clamping and fixing modules work together to simultaneously fix the rods and sheet metal parts that make up the car seat frame. The entire frame can be welded into shape simultaneously after one clamping operation. The first cylinder controls the setting of the pressure rod to close or open the top of the positioning groove. One end of the rod is placed inside the positioning groove, and then the pressure rod presses it firmly into the positioning groove, thus fixing the rod.

Description

Technical Field

[0001] This utility model relates to the field of automobile manufacturing technology, and in particular to a dual-station frame welding fixture. Background Technology

[0002] The automotive seat frame is an integrated seat frame assembly for a rear three-seater seat. It comprises frame components, sheet metal parts, headliner painted parts, and lower painted parts. The frame components are composed of multiple rods of different shapes welded together. Currently, conventional welding fixtures cannot simultaneously clamp and fix all rods, sheet metal parts, and painted parts of the entire seat frame assembly. This necessitates distributing the welding process, such as welding some rods into smaller assemblies, then assembling and welding all the smaller assemblies together to form the complete seat frame assembly. This step-by-step welding requires numerous processes, and the individual positioning and fixing of each component during step-by-step welding amplifies welding heat deformation errors during the final assembly, resulting in lower product quality. Utility Model Content

[0003] The purpose of this invention is to provide a dual-station frame welding fixture to solve the problems existing in the prior art.

[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution: A dual-station frame welding fixture includes a first frame and a second frame. A first mounting plate is fixedly mounted on the top of the first frame, and a second mounting plate is fixedly mounted on the top of the second frame. Multiple clamping modules and fixing modules are fixedly mounted on the top of both the first and second mounting plates. The clamping modules are used to clamp and fix rods, and the fixing modules are used to fix sheet metal parts. Each clamping module includes a first cylinder, a first support rod, a second support rod, a fixing block, and a pressure rod. The first cylinder is fixedly mounted on the top of the workbench, and the first and second support rods are spaced apart. On one side of the first cylinder, a positioning groove is provided at the top middle position of both the first support rod and the second support rod, and both ends of the positioning groove are completely open. The first cylinder consists of a cylinder body and a telescopic rod. One end of the pressure rod is movably connected to the telescopic rod. The fixing block is fixedly installed on the top side of the first cylinder body. One end of the connecting rod is movably connected to the middle section of the pressure rod. The other end of the connecting rod is movably connected to the top of the fixing block. The first cylinder is used to control the pressure rod and the end connected to it to move up and down through the telescopic rod. The end of the pressure rod that is not connected to the first lever is engaged with the top of the first support rod.

[0005] By adopting the above technical solution, the clamping module and the fixing module work together to simultaneously fix the rods and sheet metal parts that make up the car seat frame. After one clamping is completed, the entire frame can be welded at the same time, reducing the positioning error of multiple clamping and welding. During use, the first cylinder can control the setting of the top of the closed positioning groove and the top of the open positioning groove. One end of the rod is placed inside the positioning groove, and then the pressure rod is used to press it into the positioning groove, thus fixing the rod.

[0006] In a further embodiment, the fixing module includes a second cylinder, a third support rod, a first rectangular block, a second rectangular block, a third rectangular block, and a fourth rectangular block. The second cylinder is fixedly installed on the top of the mounting plate. The third support rod is spaced apart on one side of the second cylinder. A first rectangular block is fixedly installed on one side of the top of the third support rod. The top of the first rectangular block is provided with a receiving groove. A first positioning hole penetrating vertically is provided at the center of the bottom of the receiving groove. A first positioning pin is fixedly installed inside the first positioning hole. The second rectangular block is fixedly installed on one side of the top of the second cylinder. The top of the second rectangular block is movably connected to the bottom of the third rectangular block. The top of the third rectangular block is movably connected to the middle section of the fourth rectangular hole. One end of the fourth rectangular block is movably connected to the telescopic rod of the second cylinder.

[0007] By adopting the above technical solution, the inner wall of the receiving groove can cooperate with the sheet metal parts. The first positioning pin is used to limit the position of the sheet metal parts inside the receiving groove. Generally, the sheet metal parts of the seat frame need to be provided with mounting holes for connecting the cover parts. Therefore, this mounting hole can be cleverly used for positioning during welding. The fourth rectangular block is used to press the sheet metal tightly in the receiving groove.

[0008] In a further embodiment, a protrusion integrally formed with the first rectangular block is provided on one side of the top of the first rectangular block, and a second positioning hole penetrating vertically is provided on the top of the protrusion, and a second positioning pin is fixedly installed in the second positioning hole.

[0009] By adopting the above technical solution, the position of sheet metal parts can be more accurately positioned by the combination of the first positioning pin and the second positioning pin.

[0010] In a further embodiment, the first cylinder and the second cylinder have the same structure, and the structure composed of the first cylinder, the pressure rod, the fixing block and the connecting rod is the same as the structure composed of the second rectangular block, the third rectangular block and the fourth rectangular block of the second cylinder.

[0011] In a further embodiment, both opposite sides of the receiving groove are completely open.

[0012] By adopting the above technical solution, the core position of the sheet metal part can be located by using a smaller block structure to avoid it.

[0013] In a further embodiment, both the top of the receiving groove and the top of the positioning groove are provided with a blunted acute-angle structure.

[0014] In summary, this utility model has the following beneficial effects: 1. The clamping module and the fixing module work together to simultaneously fix the rods and sheet metal parts that make up the car seat frame. After one clamping is completed, the entire frame can be welded at the same time, reducing the positioning error of multiple clamping and welding. In use, the first cylinder can control the setting of the top of the positioning groove to be closed or open. One end of the rod is placed inside the positioning groove, and then the pressure rod is used to press it into the positioning groove, thus fixing the rod. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram illustrating the connection relationship between the clamping module and the fixing module of this utility model; Figure 3 This is a structural schematic diagram illustrating the clamping module of this utility model.

[0016] In the figure, 1 is the first frame; 2 is the second frame; 5 is the clamping module; 51 is the first cylinder; 52 is the first support rod; 53 is the second support rod; 54 is the fixing block; 55 is the pressure rod; and 6 is the fixing module. Detailed Implementation

[0017] The present invention will be further described in detail below with reference to the accompanying drawings.

[0018] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to the attached figures. Figure 1 In this specification, the terms "bottom surface" and "top surface," "inner" and "outer" refer to the direction toward or away from the geometry of a specific component. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this specification, "a plurality of" means two or more, unless otherwise explicitly and specifically defined by the direction of the center.

[0019] Example 1: like Figures 1-3As shown, a dual-station frame welding fixture includes a first frame 1 and a second frame 2. A first mounting plate is fixedly installed on the top of the first frame 1, and a second mounting plate is fixedly installed on the top of the second frame 2. Multiple clamping modules 5 and fixing modules 6 are fixedly installed on the top of both the first and second mounting plates. The clamping modules 5 are used to clamp and fix rods, and the fixing modules 6 are used to fix sheet metal parts. The clamping module 5 includes a first cylinder 51, a first support rod 52, a second support rod 53, a fixing block 54, and a pressure rod 55. The first cylinder 51 is fixedly installed on the top of the workbench, and the first support rod 52 and the second support rod 53 are spaced apart. On one side of the first cylinder 51, a positioning groove is provided at the top middle position of the first support rod 52 and the second support rod 53, and both ends of the positioning groove are completely open. The first cylinder 51 consists of a cylinder body and a telescopic rod. One end of the pressure rod 55 is movably connected to the telescopic rod. The fixing block 54 is fixedly installed on the top side of the first cylinder 51 body. One end of the connecting rod is movably connected to the middle section of the pressure rod 55. The other end of the connecting rod is movably connected to the top of the fixing block 54. The first cylinder 51 is used to control the pressure rod 55 and the end connected to it to move up and down through the telescopic rod. The end of the pressure rod 55 that is not connected to the first lever is engaged with the top of the first support rod 52. The fixing module 6 includes a second cylinder, a third support rod, a first rectangular block, a second rectangular block, a third rectangular block, and a fourth rectangular block. The second cylinder is fixedly mounted on the top of the mounting plate. The third support rod is spaced apart on one side of the second cylinder. A first rectangular block is fixedly mounted on one side of the top of the third support rod. The top of the first rectangular block has a receiving groove, and the center of the bottom of the receiving groove has a first positioning hole that extends vertically. A first positioning pin is fixedly mounted inside the first positioning hole. The second rectangular block is fixedly mounted on one side of the top of the second cylinder. The top of the second rectangular block is movably connected to the bottom of the third rectangular block, and the top of the third rectangular block is connected to the fourth rectangular block. The middle section of the four rectangular holes is movably connected, and one end of the fourth rectangular block is movably connected to the telescopic rod of the second cylinder; a protrusion integrally formed with the first rectangular block is provided on one side of the top of the first rectangular block, and a second positioning hole penetrating vertically is provided on the top of the protrusion, and a second positioning pin is fixedly installed in the second positioning hole; the structure of the first cylinder 51 and the second cylinder is the same, and the structure composed of the first cylinder 51, the pressure rod 55, the fixing block 54 and the connecting rod is the same as the structure composed of the second rectangular block, the third rectangular block and the fourth rectangular block of the second cylinder; the opposite sides of the receiving groove are completely open; the top of the receiving groove and the top of the positioning groove are both provided with a blunted acute angle structure.

[0020] Specific implementation process: During use, the clamping and fixing modules on the first and second frames cooperate to clamp the symmetrical parts of the car seat. For example, the frames required for the left and right seats are clamped onto the left and right frames respectively. When placing the frame on the left frame, the fixed frame on the right is automatically welded. After the left frame is placed, the right frame can be removed. Then, welding the left frame and placing the new unwelded frame on the right are carried out simultaneously, which greatly saves time and improves production efficiency.

[0021] In the embodiments disclosed in this utility model, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments disclosed in this utility model according to the specific circumstances.

[0022] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A dual-station frame welding fixture, characterized in that: The system includes a first frame (1) and a second frame (2). A first mounting plate is fixedly installed on the top of the first frame (1), and a second mounting plate is fixedly installed on the top of the second frame (2). Multiple clamping modules (5) and fixing modules (6) are fixedly installed on the top of both the first and second mounting plates. The clamping modules (5) are used to clamp and fix the rods, and the fixing modules (6) are used to fix the sheet metal parts. The clamping module (5) includes a first cylinder (51), a first support rod (52), a second support rod (53), a fixing block (54), and a pressure rod (55). The first cylinder (51) is fixedly installed on the top of the workbench, and the first support rod (52) and the second support rod (53) are spaced apart from each other on the first cylinder. On one side of the cylinder (51), a positioning groove is provided at the top middle position of the first support rod (52) and the second support rod (53), and both ends of the positioning groove are completely open. The first cylinder (51) is composed of a cylinder body and a telescopic rod. One end of the pressure rod (55) is movably connected to the telescopic rod. The fixing block (54) is fixedly installed on the top side of the first cylinder (51) body. One end of the connecting rod is movably connected to the middle section of the pressure rod (55), and the other end of the connecting rod is movably connected to the top of the fixing block (54). The first cylinder (51) is used to control the pressure rod (55) and the end connected to it to move up and down through the telescopic rod. The end of the pressure rod (55) that is not connected to the first lever is engaged with the top of the first support rod (52).

2. The dual-station frame welding fixture according to claim 1, characterized in that: The fixing module (6) includes a second cylinder, a third support rod, a first rectangular block, a second rectangular block, a third rectangular block, and a fourth rectangular block. The second cylinder is fixedly installed on the top of the mounting plate. The third support rod is spaced apart on one side of the second cylinder. The first rectangular block is fixedly installed on one side of the top of the third support rod. The top of the first rectangular block is provided with a receiving groove. The center of the bottom of the receiving groove is provided with a first positioning hole that runs vertically through it. A first positioning pin is fixedly installed inside the first positioning hole. The second rectangular block is fixedly installed on one side of the top of the second cylinder. The top of the second rectangular block is movably connected to the bottom of the third rectangular block. The top of the third rectangular block is movably connected to the middle section of the fourth rectangular hole. One end of the fourth rectangular block is movably connected to the telescopic rod of the second cylinder.

3. A dual-station frame welding fixture according to claim 2, characterized in that: A protrusion integrally formed with the first rectangular block is provided on one side of the top of the first rectangular block. A second positioning hole penetrating vertically is provided on the top of the protrusion, and a second positioning pin is fixedly installed in the second positioning hole.

4. A dual-station frame welding fixture according to claim 2, characterized in that: The structure of the first cylinder (51) and the second cylinder is the same. The structure of the first cylinder (51), the pressure rod (55), the fixing block (54) and the connecting rod is the same as the structure of the second cylinder consisting of the second rectangular block, the third rectangular block and the fourth rectangular block.

5. A dual-station frame welding fixture according to claim 2, characterized in that: The opposite sides of the receiving slot are completely open.

6. A dual-station frame welding fixture according to claim 2, characterized in that: Both the top of the receiving groove and the top of the positioning groove are provided with a blunted acute-angle structure.

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