Welding device for automobile machining

Abstract

The utility model relates to the technical field of welding devices, and discloses a welding device for automobile processing, which comprises a base, a workbench is fixedly mounted at the top of the base, openings are formed in the four side surfaces of the workbench, clamping plates are rotatably mounted on the inner walls of the openings, and first driving rods are fixedly mounted at the bottom ends of the clamping plates. The telescopic air cylinder drives the driving plate to move upwards, the driving plate drives the first connecting rod to move, the first connecting rod drives the clamping plates to rotate close to each other through the first driving rod, and an injection molding part of an automobile is clamped in the middle through movement of the clamping plates. By means of the device, the four faces of the automobile injection molding part can be limited and clamped at the same time, the situation that due to thermal expansion and cold contraction deformation of the automobile injection molding part during welding, the position of the automobile injection molding part deviates, and the welding quality is affected is avoided, and the welding effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of welding devices, in particular to a welding device for automobile processing. Background Art

[0002] With the development of automobile manufacturing technology, many automobile parts are injection molded parts, mainly because this type of product has many advantages. It can not only meet the advantages of lightweight automobiles, but also reduce production costs. Of course, the premise must be that the quality of automobile injection molded parts is up to standard. Compared with other parts, the advantage of injection molded parts is that the production cost is low; and its resistance to various strains such as tensile, impact, bending and environment is high, and it has good performance. At the same time, injection molded parts also have high impact toughness and high resistance to environmental stress cracking. Plastic welding is required during the processing of plastic parts.

[0003] An existing welding device for processing automotive interior injection molded parts (publication number: CN220146743U) has at least the following disadvantages:

[0004] When the above patent is in use, the material is clamped and stabilized by the splint. Since the splint can only clamp the two sides of the injection molded part, the injection molded part will be deformed by heat during welding. If only the two sides of the injection molded part are clamped, the workpiece is likely to move due to deformation during processing, resulting in deviations in the welding dimensions and affecting the welding quality. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a welding device for automobile processing.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A welding device for automobile processing comprises a base, a workbench is fixedly mounted on the top of the base, openings are provided on the four sides of the workbench, a clamp is rotatably mounted on the inner wall of the opening, a first driving rod is fixedly mounted on the bottom end of the clamp, a first connecting rod is hinged on the bottom end of the first driving rod, a telescopic cylinder is fixedly mounted on the lower surface of the base, the telescopic end of the telescopic cylinder passes through the upper surface of the base and is slidably mounted thereon, a driving plate is fixedly mounted on the end of the telescopic end of the telescopic cylinder, a plurality of notches are equidistantly penetrated in the circumferential direction of the outer surface of the driving plate, and the bottom end of the first connecting rod is rotatably mounted on the inner wall of the notch.

[0008] As a further solution of the utility model, two support plates are symmetrically fixedly installed on the outer surface of one side of the workbench, a rotating shaft is rotatably installed between the two support plates, both ends of the rotating shaft pass through the outer surfaces of the two support plates and are fixedly installed with mounting frames, and a welding head is fixedly installed on the lower surface of the mounting frame.

[0009] As a further solution of the utility model, a second driving rod is fixedly mounted on the circumferential outer surface of the rotating shaft, and a support is fixedly mounted on the outer surface of the bottom end of the driving plate close to the second driving rod.

[0010] As a further solution of the utility model, a second connecting rod is rotatably mounted between the inner walls of the support, and the top end of the second connecting rod is rotatably mounted with the bottom end of the second driving rod.

[0011] As a further solution of the utility model, a rubber pad is fixedly installed on the clamping surface of the clamping plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The driving plate is driven to move upward by the telescopic cylinder, so that the driving plate drives the first connecting rod to move, and the first connecting rod drives the clamping plates to rotate closer to each other through the first driving rod. The injection molded parts of the automobile are clamped in the middle position through the movement of the clamping plates. The four surfaces of the automobile injection molded parts can be limited and clamped at the same time by this device, so that the automobile injection molded parts are prevented from being deformed due to thermal expansion and contraction during welding, resulting in position shift, affecting the welding quality, and ensuring the welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a welding device for automobile processing proposed by the utility model;

[0015] Figure 2 This is a bottom view structural diagram of a welding device for automobile processing proposed by the utility model;

[0016] Figure 3 The utility model is a schematic diagram of the internal structure of a welding device for automobile processing.

[0017] In the figure: 1. base; 2. workbench; 3. clamping plate; 4. telescopic cylinder; 5. driving plate; 6. opening; 7. first driving rod; 8. first connecting rod; 9. mounting frame; 10. welding head; 11. support plate; 12. rotating shaft; 13. second driving rod; 14. second connecting rod; 15. support; 16. notch. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 an indirect connection 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.

[0021] Reference Figure 1-Figure 3 A welding device for automobile processing comprises a base 1, a workbench 2 is fixedly mounted on the top of the base 1, openings 6 are provided on the four sides of the workbench 2, a clamping plate 3 is rotatably mounted on the inner wall of the opening 6, a first driving rod 7 is fixedly mounted on the bottom end of the clamping plate 3, a first connecting rod 8 is hinged on the bottom end of the first driving rod 7, a telescopic cylinder 4 is fixedly mounted on the lower surface of the base 1, the telescopic end of the telescopic cylinder 4 penetrates the upper surface of the base 1 and is slidably mounted thereon, a driving plate 5 is fixedly mounted on the end of the telescopic end of the telescopic cylinder 4, a plurality of notches 16 are equidistantly penetrated on the outer surface of the driving plate 5 in the circumferential direction, and the bottom end of the first connecting rod 8 is rotatably mounted on the inner wall of the notch 16.

[0022] The telescopic cylinder 4 drives the driving plate 5 to move upward, so that the driving plate 5 drives the first connecting rod 8 to move, and the first connecting rod 8 drives the clamping plates 3 to rotate closer to each other through the first driving rod 7. The movement of the clamping plates 3 clamps the injection molded parts of the automobile in the middle position. The device can simultaneously limit and clamp the four surfaces of the injection molded parts of the automobile, so as to avoid deformation of the injection molded parts of the automobile due to thermal expansion and contraction during welding, resulting in position displacement and affecting the quality of welding.

[0023] In this embodiment, two support plates 11 are symmetrically fixedly installed on the outer surface of one side of the workbench 2, and a rotating shaft 12 is rotatably installed between the two support plates 11. Both ends of the rotating shaft 12 pass through the outer surfaces of the two support plates 11 and are fixedly installed with mounting frames 9. The lower surface of the mounting frame 9 is fixedly installed with a welding head 10. When the injection molded parts of the automobile are placed on the upper surface of the workbench 2, the welding head 10 is driven to move up and down by the lifting mechanism inside the welding head 10 to weld the injection molded parts of the automobile. The welding head 10 is an existing mature technology and will not be elaborated in this document.

[0024] In this embodiment, a second driving rod 13 is fixedly installed on the circumferential outer surface of the rotating shaft 12, a support 15 is fixedly installed on the outer surface of the bottom end of the driving plate 5 near the second driving rod 13, a second connecting rod 14 is rotatably installed between the inner walls of the support 15, and the top end of the second connecting rod 14 is rotatably installed with the bottom end of the second driving rod 13.

[0025] The telescopic cylinder 4 drives the driving plate 5 to move downward, so that the driving plate 5 drives the second connecting rod 14 to move, and the second connecting rod 14 drives the mounting frame 9 to move away from the workbench 2 through the second driving rod 13 and the rotating shaft 12, and drives the welding head 10 to move away from the workbench 2 through the mounting frame 9. The device is convenient for taking automobile injection molded parts, avoids the operator accidentally touching the welding head 10 when taking automobile injection molded parts, and is convenient for the operator to use.

[0026] In this embodiment, a rubber pad is fixedly mounted on the clamping surface of the clamping plate 3, and the elasticity of the rubber pad prevents the automobile injection molded parts from being clamped.

[0027] It should be noted that when the utility model is used, the operator first places the injection molded part of the fixed model car on the upper surface of the workbench 2, and drives the driving plate 5 to move upward through the telescopic cylinder 4, so that the driving plate 5 drives the first connecting rod 8 to move, and the first connecting rod 8 drives the clamping plates 3 to rotate close to each other through the first driving rod 7, and the injection molded part of the car is clamped in the middle position through the movement of the clamping plates 3. Through this device, the four sides of the automobile injection molded part can be limited and clamped at the same time, so as to avoid the automobile injection molded part from being deformed due to thermal expansion and contraction during welding, resulting in position deviation, which affects The quality of welding; when it is necessary to remove the automobile injection molded parts, it is only necessary to move the telescopic cylinder 4 in the reverse direction to loosen the clamping plate 3. At the same time, the telescopic cylinder 4 drives the driving plate 5 to move downward, so that the driving plate 5 drives the second connecting rod 14 to move. The second connecting rod 14 drives the mounting frame 9 to move away from the workbench 2 through the second driving rod 13 and the rotating shaft 12, and drives the welding head 10 to move away from the workbench 2 through the mounting frame 9. The device makes it easy to take the automobile injection molded parts, avoids the operator accidentally touching the welding head 10 when taking the automobile injection molded parts, and is convenient for the operator to use.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A welding device for automobile processing, comprising a base (1), characterized in that: A workbench (2) is fixedly mounted on the top of the base (1), and openings (6) are provided on the four sides of the workbench (2). A clamping plate (3) is rotatably mounted on the inner wall of the opening (6), and a first driving rod (7) is fixedly mounted on the bottom end of the clamping plate (3). A first connecting rod (8) is hingedly connected to the bottom end of the first driving rod (7). A telescopic cylinder (4) is fixedly mounted on the lower surface of the base (1), and the telescopic end of the telescopic cylinder (4) passes through the upper surface of the base (1) and is slidably mounted thereon. A driving plate (5) is fixedly mounted on the end of the telescopic end of the telescopic cylinder (4), and a plurality of notches (16) are equidistantly penetrated in the circumferential direction of the outer surface of the driving plate (5), and the bottom end of the first connecting rod (8) is rotatably mounted on the inner wall of the notch (16).

2. The welding device for automobile processing according to claim 1, characterized in that: Two support plates (11) are symmetrically fixedly mounted on the outer surface of one side of the workbench (2); a rotating shaft (12) is rotatably mounted between the two support plates (11); mounting frames (9) are fixedly mounted on the outer surfaces of the two support plates (11) at both ends of the rotating shaft (12); and a welding head (10) is fixedly mounted on the lower surface of the mounting frame (9).

3. The welding device for automobile processing according to claim 2, characterized in that: A second driving rod (13) is fixedly mounted on the circumferential outer surface of the rotating shaft (12), and a support (15) is fixedly mounted on the outer surface of the bottom end of the driving plate (5) close to the second driving rod (13).

4. The welding device for automobile processing according to claim 3, characterized in that: A second connecting rod (14) is rotatably mounted between the inner walls of the support (15), and the top end of the second connecting rod (14) is rotatably mounted with the bottom end of the second driving rod (13).

5. The welding device for automobile processing according to claim 4, characterized in that: A rubber pad is fixedly mounted on the clamping surface of the clamping plate (3).

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