Welding clamp suitable for automobile front floor

Abstract

The welding clamp suitable for the automobile front floor comprises a workbench, hydraulic cylinders are movably connected to the left side and the right side of the top of the workbench, clamping plates are fixedly connected to the telescopic ends of the hydraulic cylinders, and positioning blocks are fixedly connected to the bottoms of the hydraulic cylinders. Through mutual cooperation of the workbench, the hydraulic cylinder, the clamping plate, the positioning block, the positioning groove, the limiting assembly, a stud, a rotating rod, a moving plate, a connecting plate, a side plate, a limiting plate and a guide column, the effect of conveniently disassembling the hydraulic cylinder is achieved, great convenience is brought to maintenance work, and market requirements are greatly met.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a welding clamp suitable for a front floor of an automobile. Background Art

[0002] The front floor among automotive parts is a large sheet metal part. Common design structures of the front floor panel are integral and split. The front floor assembly is subject to the greatest force in the cab and the force conditions are also the most complex. It not only has to bear the weight of its own assemblies, the weight of the driver and passengers, but also has to withstand various forces and moments transmitted from the chassis during the movement of the car. Therefore, the front floor has extremely strict requirements during the processing process.

[0003] At present, as disclosed in the patent application number CN202223308878.0, the utility model discloses a laser welding fixture with buffer splint protection, including a workbench, a hydraulic cylinder, a mounting plate, a movable opening, a movable column, a block, a splint and a buffer sleeve spring. Hydraulic cylinders are fixedly installed on the left and right sides of the top of the workbench, the telescopic end of the hydraulic cylinder is fixedly connected to the mounting plate, and movable openings are opened at the four corners of the mounting plate away from the hydraulic cylinder, and the movable openings are movably connected inside with movable columns.

[0004] However, in actual use, the welding fixture of the above patent has the following defects: it is not convenient to disassemble the hydraulic cylinder, which brings great inconvenience to the maintenance work and is difficult to meet the market demand. Therefore, we propose a welding fixture suitable for the front floor of the car. Utility Model Content

[0005] The utility model aims to provide a welding fixture suitable for the front floor of an automobile to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a welding fixture suitable for the front floor of an automobile, comprising:

[0007] Workbench;

[0008] Hydraulic cylinders, the left and right sides of the top of the workbench are movably connected with hydraulic cylinders;

[0009] A clamping plate, to which the telescopic end of the hydraulic cylinder is fixedly connected;

[0010] A positioning block, the bottom of the hydraulic cylinder is fixedly connected with a positioning block;

[0011] A positioning groove is provided at the top of the workbench corresponding to the position of the positioning block, the bottom of the positioning block passes through the positioning groove and extends to the inside of the positioning groove, and the positioning block is movably plugged into the positioning groove;

[0012] A limiting component is provided on the surface of the workbench.

[0013] Furthermore, the limit assembly includes bearings, studs, rotating rods, movable plates, connecting plates, side plates, limit plates and guide columns. Bearings are fixedly installed in the grooves on the left and right sides of the workbench. The two sides of the bearings away from each other are rotatably connected with studs, and the end of the stud away from the workbench is fixedly connected with a rotating rod.

[0014] Furthermore, a movable plate is threadedly connected to one side of the stud surface close to the workbench, the movable plate is in movable contact with the workbench, and two symmetrically arranged connecting plates are fixedly connected to one side of the movable plate close to the hydraulic cylinder.

[0015] Furthermore, the front and rear sides of the hydraulic cylinder are both movably connected with side plates, the side plates are fixedly connected to the connecting plates, and the top of the hydraulic cylinder is movably connected with a limit plate.

[0016] Furthermore, the bottom of the limit plate is fixedly connected to the top of the side plate, and two symmetrically arranged guide columns are fixedly connected to the upper part of the left and right sides of the workbench.

[0017] Furthermore, one end of the guide column away from the workbench passes through the movable plate and extends to the outside of the movable plate, and the guide column is movably connected to the movable plate.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] The utility model achieves the effect of facilitating the disassembly of the hydraulic cylinder through the cooperation of a workbench, a hydraulic cylinder, a clamping plate, a positioning block, a positioning groove, a limit assembly, a stud, a rotating rod, a movable plate, a connecting plate, a side plate, a limit plate and a guide column, thereby greatly facilitating the maintenance work and greatly meeting the market demand. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view structural schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the hydraulic cylinder of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the positioning groove of the utility model;

[0023] Figure 4 It is a schematic diagram of the top structure of the utility model.

[0024] In the figure: 1. workbench; 2. hydraulic cylinder; 3. clamping plate; 4. positioning block; 5. positioning groove; 6. limit assembly; 61. stud; 62. rotating rod; 63. moving plate; 64. connecting plate; 65. side plate; 66. limit plate; 67. guide column. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] See also Figure 1-4A welding fixture suitable for the front floor of an automobile comprises a workbench 1, the left and right sides of the top of the workbench 1 are movably connected with hydraulic cylinders 2, the telescopic ends of the hydraulic cylinders 2 are fixedly connected with clamping plates 3, the bottom of the hydraulic cylinders 2 is fixedly connected with positioning blocks 4, a positioning groove 5 is provided at the top of the workbench 1 corresponding to the position of the positioning block 4, the bottom of the positioning block 4 passes through the positioning groove 5 and extends to the inside of the positioning groove 5, the positioning block 4 is movably plugged into the positioning groove 5, and a limiting component 6 is provided on the surface of the workbench 1.

[0029] Specifically, the limit assembly 6 includes a stud 61, a rotating rod 62, a movable plate 63, a connecting plate 64, a side plate 65, a limit plate 66 and a guide column 67. Bearings are fixedly installed in the grooves on the left and right sides of the workbench 1. The two bearings are rotatably connected to the sides away from each other with studs 61, and the end of the stud 61 away from the workbench 1 is fixedly connected to the rotating rod 62.

[0030] In specific implementation, a movable plate 63 is threadedly connected to a side of the stud 61 close to the workbench 1 , and the movable plate 63 is in movable contact with the workbench 1 . A side of the movable plate 63 close to the hydraulic cylinder 2 is fixedly connected to two symmetrically arranged connecting plates 64 .

[0031] Specifically, the front and rear sides of the hydraulic cylinder 2 are movably connected with side plates 65 , the side plates 65 are fixedly connected to the connecting plate 64 , and the top of the hydraulic cylinder 2 is movably connected with a limit plate 66 .

[0032] During specific implementation, the bottom of the limiting plate 66 is fixedly connected to the top of the side plate 65 , and two symmetrically arranged guide columns 67 are fixedly connected to the upper part of the left and right sides of the workbench 1 .

[0033] Specifically, one end of the guide column 67 away from the workbench 1 passes through the movable plate 63 and extends to the outside of the movable plate 63 , and the guide column 67 is movably connected to the movable plate 63 .

[0034] In actual application: when in use, place the front floor of the car between the two clamping plates 3, and then drive the clamping plates 3 to clamp the front floor of the car through the hydraulic cylinder 2, and then the subsequent welding operation can be carried out. When the hydraulic cylinder 2 needs to be disassembled and maintained, just turn the rotating rod 62 counterclockwise to drive the stud 61 to rotate, and then under the action of the thread, the moving plate 63 drives the connecting plate 64, the side plate 65 and the limit plate 66 to move to the side away from the hydraulic cylinder 2, so that the side plate 65 and the limit plate 66 are separated from the hydraulic cylinder 2, and then pull the hydraulic cylinder 2 upward to make the positioning block 4 separate from the positioning groove 5, so that the hydraulic cylinder 2 can be removed, and then the hydraulic cylinder 2 can be maintained. Through the above steps, the hydraulic cylinder 2 can be conveniently disassembled for maintenance, and the operation is simple, saving time and effort.

[0035] All components in the present invention are universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. At the same time, standard parts used in the present application documents can be purchased from the market, and each component in the present application document can be customized according to the description in the specification and drawings. The specific connection method of each component adopts conventional means such as mature bolts, rivets, welding, etc. in the prior art, and machinery, parts and equipment adopt conventional models in the prior art.

[0036] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the working principle, and the electrical connection between the electrical components should be completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The utility model mainly introduces the working principle and process, and no longer explains the electrical control.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding fixture suitable for the front floor of an automobile, characterized in that: include: Workbench (1); A hydraulic cylinder (2), wherein the top and left sides of the workbench (1) are movably connected to the hydraulic cylinder (2); A clamping plate (3), the telescopic end of the hydraulic cylinder (2) is fixedly connected with the clamping plate (3); A positioning block (4), the bottom of the hydraulic cylinder (2) is fixedly connected with the positioning block (4); A positioning groove (5), wherein the top of the workbench (1) is provided with a positioning groove (5) at a position corresponding to the positioning block (4), the bottom of the positioning block (4) passes through the positioning groove (5) and extends to the inside of the positioning groove (5), and the positioning block (4) and the positioning groove (5) are movably plugged together; A limiting component (6), a limiting component (6) is arranged on the surface of the workbench (1).

2. A welding fixture suitable for a front floor of an automobile according to claim 1, characterized in that: The limiting assembly (6) comprises a stud (61), a rotating rod (62), a movable plate (63), a connecting plate (64), a side plate (65), a limiting plate (66) and a guide column (67); bearings are fixedly installed in grooves on the left and right sides of the workbench (1); the two sides of the two bearings away from each other are rotatably connected to the stud (61); and the end of the stud (61) away from the workbench (1) is fixedly connected to the rotating rod (62).

3. A welding fixture suitable for a front floor of an automobile according to claim 2, characterized in that: A movable plate (63) is threadedly connected to the side of the surface of the stud (61) close to the workbench (1), and the movable plate (63) is in movable contact with the workbench (1). The side of the movable plate (63) close to the hydraulic cylinder (2) is fixedly connected to two symmetrically arranged connecting plates (64).

4. A welding fixture suitable for a front floor of an automobile according to claim 3, characterized in that: The front and rear sides of the hydraulic cylinder (2) are both movably connected to side plates (65), the side plates (65) are fixedly connected to the connecting plate (64), and the top of the hydraulic cylinder (2) is movably connected to a limit plate (66).

5. The welding fixture for the front floor of an automobile according to claim 4, characterized in that: The bottom of the limit plate (66) is fixedly connected to the top of the side plate (65), and two symmetrically arranged guide columns (67) are fixedly connected to the top of the left and right sides of the workbench (1).

6. The welding fixture for the front floor of an automobile according to claim 5, characterized in that: One end of the guide column (67) away from the workbench (1) passes through the movable plate (63) and extends to the outside of the movable plate (63), and the guide column (67) is movably connected to the movable plate (63).

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