Automatic welding device for refrigerator framework

Abstract

The utility model discloses a refrigerator framework automatic welding device relates to the technical field of automobile manufacturing, it includes jig platform, be provided with the positioning mechanism for positioning refrigerator framework on jig platform, and the positioning mechanism includes a plurality of support seat, is provided with positioning pad and pneumatic clamp on support seat, and positioning pad is used for supporting refrigerator framework, and the clamping end of pneumatic clamp is provided with the positioning pressure block that is adapted with positioning pad, positioning pad includes inside pad and outside pad, and the positioning surface of outside pad is lower than the positioning surface of inside pad, and positioning pressure block includes the inside pressure block that is adapted with inside pad and the outside pressure block that is adapted with outside pad.

Description

Technical Field

[0001] This utility model relates to the field of automobile manufacturing technology, specifically to an automatic welding device for refrigerator frames. Background Technology

[0002] The existing vehicle-mounted refrigerator frame uses a fixed tooling fixture system, which relies on manual clamping and welding, resulting in low clamping efficiency and poor consistency; manual welding operations further cause unstable weld quality and low overall production efficiency. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an automatic welding device for refrigerator frames, which not only reduces manufacturing costs but also improves production efficiency and product quality.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: an automatic welding device for a refrigerator frame, comprising a clamping platform, wherein a positioning mechanism for positioning the refrigerator frame is provided on the clamping platform, the positioning mechanism comprising a plurality of support seats, wherein positioning pads and pneumatic clamps are provided on the support seats, the positioning pads are used to support the refrigerator frame, and the clamping end of the pneumatic clamp is provided with positioning pressure blocks adapted to the positioning pads; the positioning pads comprise inner pads and outer pads, wherein the positioning surface of the outer pads is lower than the positioning surface of the inner pads; the positioning pressure blocks comprise inner pressure blocks adapted to the inner pads and outer pressure blocks adapted to the outer pads.

[0005] Based on the above technical solution, a gap is left between the inner and outer pressure blocks to match the refrigerator frame.

[0006] Based on the above technical solution, the support base includes a support plate, the bottom of the support plate is provided with a base, and the inner side of the top of the support plate extends upward to form an extension.

[0007] Based on the above technical solution, the pneumatic clamp includes a cylinder, a pressure arm, and a flipping clamp; the cylinder body is hinged to the inner side of the support plate; the inner end of the pressure arm is hinged to the piston rod of the cylinder, and the outer end of the pressure arm is connected to the positioning pressure block; one end of the flipping clamp is hinged to the extension, and the other end of the flipping clamp is hinged to the pressure arm.

[0008] Based on the above technical solution, the extension is provided with a limiting block that is adapted to the pressure arm.

[0009] Based on the above technical solutions, a welding robot is also included, which is set up next to the fixture platform.

[0010] Based on the above technical solution, the welding robot includes a base, a support arm, a connecting arm, and a connecting frame; a turntable is provided on the base, the lower end of the support arm is horizontally rotatably connected to the turntable, the proximal end of the connecting arm is hinged to the upper end of the support arm, the connecting frame is vertically rotatably connected to the distal end of the connecting arm, and a welding torch is installed on the connecting frame.

[0011] The beneficial effects of this utility model are as follows: This invention employs a robotic welding system combined with an automated clamping system, completely replacing manual clamping and spot welding / joint welding processes, significantly improving the dimensional accuracy of welded parts and production efficiency. By eliminating workpiece deformation, unstable weld quality, and weld slag defects caused by manual operation, it achieves systematic optimization of welding quality; simultaneously, automated tooling ensures workpiece positioning accuracy, reducing manufacturing costs while simultaneously improving production cycle time and product consistency. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the automatic welding device for the refrigerator frame in an embodiment of this utility model.

[0013] Figure 2 This is a perspective view of the positioning mechanism in an embodiment of the present utility model; Figure 3 This is a front view of the positioning mechanism in an embodiment of this utility model; Figure 4 This is a top view of the positioning mechanism in an embodiment of this utility model; Figure 5 This is a schematic diagram showing the connection between the support base and the pneumatic clamp in an embodiment of this utility model; Figure 6 This is a schematic diagram of the welding robot in an embodiment of the present invention.

[0014] Figure label: 1- Fixture platform; 2-Positioning mechanism; 21-Support base; 211-Supporting upright plate; 212-Base; 213-Extension; 214-Limiting block; 22-Positioning pad; 221-Inner pad; 222-Outer pad; 23-Pneumatic clamp; 231-Cylinder; 232-Pressure arm; 233-Flipping clamp; 24-Positioning pressure block; 241-Inner pressure block; 242-Outer pressure block; 243-Gap; 3-Welding robot; 31-Base; 32-Turntable; 33-Support arm; 34-Connecting arm; 35-Connecting frame; 36-Welding torch. Detailed Implementation

[0015] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

[0016] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only 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. They should not be construed as limiting the specific protection scope of this utility model.

[0017] The following description, in conjunction with the accompanying drawings, further illustrates specific embodiments of the present invention, making the technical solution and beneficial effects of the present invention clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0018] See Figure 1 As shown, this embodiment of the invention provides an automatic welding device for a refrigerator frame, including a clamping platform 1, on which a positioning mechanism 2 for positioning the refrigerator frame is provided. See also... Figures 2-5As shown, the positioning mechanism 2 includes several support seats 21. The positioning holes of the support seats 21 are provided with adjustment pads in the X and Y directions (1-3mm) to eliminate errors in installation and manufacturing. The support seats 21 are provided with positioning pads 22 and pneumatic clamps 23. The positioning pads 22 are used to support the refrigerator frame, and the positioning pads can be provided with adjustable pads in the height direction (Z direction) (adjustment range 1-3mm). The clamping end of the pneumatic clamp 23 is provided with a positioning pressure block 24 that is adapted to the positioning pads 22. The positioning pads 22 include inner pads 221 and outer pads 222, and the positioning surface of the outer pads 222 is lower than the positioning surface of the inner pads 221. The positioning pressure block 24 includes an inner pressure block 241 that is adapted to the inner pads 221 and an outer pressure block 242 that is adapted to the outer pads 222. Specifically, a gap 243 adapted to the refrigerator frame is left between the inner pressure block 241 and the outer pressure block 242. The support base 21 includes a support plate 211, a base 212 is provided at the bottom of the support plate 211, and the inner side of the top of the support plate 211 extends upward to form an extension 213. The pneumatic clamp 23 includes a cylinder 231, a pressure arm 232, and a flipping clamp 233; the cylinder body of the cylinder 231 is hinged to the inner side of the support plate 211; the inner end of the pressure arm 232 is hinged to the piston rod of the cylinder 231, and the outer end of the pressure arm 232 is connected to the positioning pressure block 24; one end of the flipping clamp 233 is hinged to the extension 213, and the other end of the flipping clamp 233 is hinged to the pressure arm 232. A limiting block 214 adapted to the pressure arm 232 is provided on the extension 213.

[0019] See Figure 1 and Figure 6 As shown, the automatic welding device for the refrigerator frame also includes a welding robot 3 disposed next to the fixture platform 1. Specifically, the welding robot 3 includes a base 31, a support arm 33, a connecting arm 34, and a connecting frame 35; a turntable 32 is disposed on the base 31, the lower end of the support arm 33 is horizontally rotatably connected to the turntable 32, the proximal end of the connecting arm 34 is hinged to the upper end of the support arm 33, and the connecting frame 35 is vertically rotatably connected to the distal end of the connecting arm 34, and a welding torch 36 is mounted on the connecting frame 35.

[0020] In the description of this specification, references to terms such as "an embodiment," "preferred," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. Illustrative expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0021] This utility model is not limited to the above-described embodiments. For those skilled in the art, various improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model. Contents not described in detail in this specification are prior art known to those skilled in the art.

Claims

1. An automatic welding device for a refrigerator frame, comprising a clamping platform (1), wherein a positioning mechanism (2) for positioning the refrigerator frame is provided on the clamping platform (1), characterized in that: The positioning mechanism (2) includes several support seats (21), and the support seats (21) are provided with positioning pads (22) and pneumatic clamps (23). The positioning pads (22) are used to support the refrigerator frame. The clamping end of the pneumatic clamps (23) is provided with positioning pressure blocks (24) that are adapted to the positioning pads (22). The positioning pads (22) include inner pads (221) and outer pads (222), and the positioning surface of the outer pads (222) is lower than the positioning surface of the inner pads (221). The positioning pressure blocks (24) include inner pressure blocks (241) that are adapted to the inner pads (221) and outer pressure blocks (242) that are adapted to the outer pads (222).

2. The automatic refrigerator frame welding device as described in claim 1, characterized in that: A gap (243) is left between the inner pressure block (241) and the outer pressure block (242) to match the refrigerator frame.

3. The automatic refrigerator frame welding device as described in claim 1, characterized in that: The support base (21) includes a support plate (211), a base (212) is provided at the bottom of the support plate (211), and the inner side of the top of the support plate (211) extends upward to form an extension (213).

4. The automatic refrigerator frame welding device as described in claim 1, characterized in that: The pneumatic clamp (23) includes a cylinder (231), a pressure arm (232), and a flipping clamp (233); the cylinder body of the cylinder (231) is hinged to the inner side of the support plate (211); the inner end of the pressure arm (232) is hinged to the piston rod of the cylinder (231), and the outer end of the pressure arm (232) is connected to the positioning pressure block (24); one end of the flipping clamp (233) is hinged to the extension (213), and the other end of the flipping clamp (233) is hinged to the pressure arm (232).

5. The automatic refrigerator frame welding device as described in claim 4, characterized in that: The extension (213) is provided with a limiting block (214) adapted to the pressure arm (232).

6. The automatic refrigerator frame welding device as described in claim 1, characterized in that: It also includes a welding robot (3) set up next to the fixture platform (1).

7. The automatic refrigerator frame welding device as described in claim 6, characterized in that: The welding robot (3) includes a base (31), a support arm (33), a connecting arm (34), and a connecting frame (35); a turntable (32) is provided on the base (31), the lower end of the support arm (33) is horizontally rotatably connected to the turntable (32), the proximal end of the connecting arm (34) is hinged to the upper end of the support arm (33), the connecting frame (35) is vertically rotatably connected to the distal end of the connecting arm (34), and a welding torch (36) is installed on the connecting frame (35).

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