Adjustable butt-welding machine

By designing an adjustable spot welding machine, and utilizing the adjustment and spot welding components, efficient welding of flanges is achieved, solving the problems of low welding efficiency and difficulty in guaranteeing quality in existing technologies, and reducing production costs.

CN224238470UActive Publication Date: 2026-05-15QINGDAO HONGXINXIANG INTELLIGENT EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGDAO HONGXINXIANG INTELLIGENT EQUIP CO LTD
Filing Date
2025-04-21
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

The welding efficiency of engine pipeline flanges in the existing technology is low and the quality is not easy to guarantee, which leads to increased production costs and cannot meet customer needs.

Method used

An adjustable spot welding machine was designed, comprising a support frame, an adjustment component, and a spot welding component. Through the cooperation of the adjustment component and the spot welding component, the electrode head can accurately reach the position of the flange to be welded.

Benefits of technology

It improves welding efficiency, is easy to operate, ensures welding quality, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224238470U_ABST
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Abstract

The utility model discloses an adjustable butt-welding machine which comprises a supporting frame and further comprises an adjusting assembly, a welding machine and a butt-welding assembly, the adjusting assembly is arranged above the supporting frame, and the butt-welding assembly used for welding a first flange piece and a second flange piece is arranged below the adjusting assembly. Preferably, the butt-welding assembly comprises a disc, an annular groove is formed in the middle of the outer side of the disc, the annular groove is movably connected with an annular plate, one side of the annular plate is fixedly connected with an arc-shaped rack, the arc-shaped rack is meshed with a gear, and a center shaft of the gear is movably connected with a protruding plate. The first flange piece and the second flange piece are respectively sleeved on the positioning columns, the electrode tips are arranged on the upper portions of the positions, needing to be welded, of the first flange piece and the second flange piece through the butt-welding assembly according to the welding positions, and the first flange piece and the second flange piece are welded through the group of electrode tips through the adjusting assembly.
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Description

Technical Field

[0001] This utility model relates to the field of automotive pipe welding technology, and in particular to an adjustable spot welding machine. Background Technology

[0002] Engine piping flanges are generally composed of two flange plates welded together. Engine piping flanges are usually pre-welded using argon arc welding in the early stage, and then brazed in an oven to ensure the shape. Because they are prone to deformation after entering the brazing oven, argon arc welding is usually required to spot weld in several different places. Welding one point at a time is inefficient and the welding quality is not easy to guarantee. This not only fails to meet customer needs, but also increases production costs.

[0003] Therefore, it is necessary to provide an adjustable spot welding machine to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an adjustable spot welding machine.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An adjustable spot welding machine includes a support frame, and further includes an adjustment component, a welding machine, and a spot welding component. The adjustment component is located above the support frame, and the spot welding component for welding flange one and flange two is located below the adjustment component.

[0007] The spot welding assembly includes a disc with an annular groove in the center of its outer side. The annular groove is movably connected to an annular plate. An arc-shaped rack is fixedly connected to one side of the annular plate, meshing with a gear. A convex plate is movably connected to the central axis of the gear, and the convex plate is fixedly connected to the disc. The center of a worm gear is fixedly connected to the end of the central axis of the gear, meshing with a worm. One end of the worm's central axis is movably connected to the convex plate, and the end of the worm's central axis is fixedly connected to the center of a knob. The lower side of the annular plate is respectively connected to corresponding arc-shaped rocker arms via pin hinges. One end of a group of arc-shaped rocker arms is respectively connected to a corresponding guide rod via pin hinges. A group of guide rods is respectively slidably connected to a corresponding sleeve. A group of sleeves is respectively fixedly connected to the disc. One end of a group of guide rods is respectively fixedly connected to a corresponding electrode head.

[0008] Preferably, the adjustment assembly includes an L-shaped bracket, which is fixedly connected to the support frame. The upper side of the L-shaped bracket is fixedly connected to the housing of the electric push rod. The telescopic rod of the electric push rod passes through the L-shaped bracket, and the end of the telescopic rod is fixedly connected to the disc. Symmetrical circular guide rods are fixedly connected to the upper side of the disc. The two circular guide rods are slidably connected to corresponding linear bearings, and the two linear bearings pass through and are fixedly connected to the L-shaped bracket.

[0009] Preferably, the welding machine is fixedly connected to one side of the support frame.

[0010] Preferably, a positioning column is fixedly connected to the upper middle part of the support frame.

[0011] Preferably, the first flange and the second flange are concentric with the positioning post.

[0012] Compared with related technologies, the beneficial effects of this utility model are:

[0013] 1. Place flange plate one and flange plate two on the positioning post respectively. According to the welding position, use the spot welding assembly to position the electrode head above the welding position of flange plate one and flange plate two. By adjusting the assembly, a set of electrode heads can be used to weld flange plate one and flange plate two.

[0014] 2. This device is easy to operate and highly practical, allowing for faster welding of flange plate one and flange plate two. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of the present invention.

[0016] Figure 2 This is a three-dimensional schematic diagram of the present invention.

[0017] Figure 3 This is a schematic diagram of the connection structure of some parts of this utility model.

[0018] Figure 4 This is a schematic diagram of the connection structure after some parts of this utility model have been cut apart.

[0019] Figure 5 This is a schematic diagram of the connection structure after some parts of this utility model have been cut apart.

[0020] In the picture:

[0021] 1: Adjustment assembly; 11: Electric push rod; 12: Linear bearing; 13: Circular guide rod; 14: L-shaped bracket.

[0022] 2: Support frame, 21: Positioning column;

[0023] 3. Welding machine;

[0024] 4. Flange plate one;

[0025] 5. Flange plate two;

[0026] 6: Welded assembly; 61: Circular ring plate; 62: Arc-shaped rocker arm; 63: Guide rod; 64: Electrode head; 65: Arc-shaped rack; 66: Worm gear; 67: Knob; 68: Gear; 69: Protruding plate; 610: Worm; 611: Annular groove; 612: Disc; 613: Sleeve. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0028] An adjustable spot welding machine includes a support frame 2, and further includes an adjustment component 1, a welding machine 3, and a spot welding component 6. The adjustment component 1 is provided above the support frame 2, and the spot welding component 6 for welding flange 4 and flange 5 is provided below the adjustment component 1.

[0029] The spot welding assembly 6 includes a disk 612, with an annular groove 611 at the center of its outer side. The annular groove 611 is movably connected to an annular plate 61. An arc-shaped rack 65 is fixedly connected to one side of the annular plate 61, meshing with a gear 68. A convex plate 69 is movably connected to the central axis of the gear 68, and the convex plate 69 is fixedly connected to the disk 612. A worm gear 66 is fixedly connected to the end of the central axis of the gear 68 at its center, meshing with a worm 610. The convex plate 69 is movably connected to one end of the central shaft of the worm gear 610. The end of the central shaft of one end of the worm gear 610 is fixedly connected to the center of the knob 67. The lower side of the annular plate 61 is respectively connected to the corresponding arc-shaped rocker arm 62 by a pin. One end of a group of arc-shaped rocker arms 62 is respectively connected to the corresponding guide rod 63 by a pin. One group of guide rods 63 is respectively slidably connected to the corresponding sleeve 613. One group of sleeves 613 is respectively fixedly connected to the disc 612. One end of a group of guide rods 63 is respectively fixedly connected to the corresponding electrode head 64.

[0030] The adjustment assembly 1 includes an L-shaped bracket 14, which is fixedly connected to the support frame 2. The upper side of the L-shaped bracket 14 is fixedly connected to the housing of the electric push rod 11. The telescopic rod of the electric push rod 11 passes through the L-shaped bracket 11. The end of the telescopic rod of the electric push rod 11 is fixedly connected to the disc 612. Symmetrical circular guide rods 13 are fixedly connected to the upper side of the disc 612. The two circular guide rods 13 are slidably connected to corresponding linear bearings 12. The two linear bearings 12 pass through and are fixedly connected to the L-shaped bracket 11.

[0031] The welding machine 3 is fixedly connected to one side of the support frame 2.

[0032] The upper middle part of the support frame 2 is fixedly connected to the positioning column 21.

[0033] The flange 4 and the flange 5 are concentric with the positioning post 21.

[0034] The welding machine 3 is electrically connected to the electric push rod 11. One end of the electrode interface of the welding machine 3 is electrically connected to the electrode head 64 through a wire. During welding, the other end of the electrode interface of the welding machine 3 is electrically connected to the flange plate 4 at the lower part of the wire connection.

[0035] Working principle: When welding flange 4 and flange 5 is required, flange 4 and flange 5 are respectively placed on the positioning post 21 to make them concentric. Figure 1 As shown, according to the welding position, turn knob 67. Knob 67 drives worm gear 610 to rotate. Worm gear 610 meshes with worm wheel 66 to rotate. Worm wheel 66 drives gear 68 to rotate. Gear 68 meshes with gear ring 65 to rotate. Gear ring 65 drives annular plate 61 to rotate along annular groove 611. Annular plate 61 drives guide rod 63 to move along sleeve 613 through a set of arc-shaped rocker rods 62. The set of guide rods 63 drives electrode head 64 to move, so that electrode head 64 is above the welding position of flange 4 and flange 5. At this time, stop turning knob 67.

[0036] Next, start the electric push rod 11. The telescopic rod of the electric push rod 11 extends and drives the spot welding assembly 6 to move downward. At the same time, the disc 612 drives the circular guide rod 13 to move downward along the linear bearing 12, so that a set of electrode heads 64 can weld the flange 4 and the flange 5.

[0037] Beneficial effects: Flange 4 and flange 5 are respectively placed on the positioning post 21. According to the welding position, the electrode head 64 is positioned above the welding position of flange 4 and flange 5 by the spot welding assembly 6. By adjusting the assembly 1, a set of electrode heads 64 can weld flange 4 and flange 5.

[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An adjustable spot welding machine, comprising a support frame (2), characterized in that, The adjustable spot welding machine also includes: Adjustment component (1), welding machine (3), spot welding component (6), the adjustment component (1) is provided above the support frame (2), and the spot welding component (6) is provided below the adjustment component (1) for welding flange one (4) and flange two (5). The spot welding assembly (6) includes a disk (612), with an annular groove (611) at the center of its outer side. The annular groove (611) is movably connected to an annular plate (61). An arc-shaped rack (65) is fixedly connected to one side of the annular plate (61), and the arc-shaped rack (65) meshes with a gear (68). The central axis of the gear (68) is movably connected to a convex plate (69), and the convex plate (69) is fixedly connected to the disk (612). The center of a worm gear (66) is fixedly connected to the end of the central axis of the gear (68), and the worm gear (66) meshes with a worm (610). One end of the worm gear (610) is movably connected to the convex plate (69) via a central shaft. The end of the worm gear (610) is fixedly connected to the center of the knob (67). The lower side of the annular plate (61) is connected to the corresponding arc-shaped rocker arm (62) via a pin hinge. One end of a group of arc-shaped rocker arms (62) is connected to the corresponding guide rod (63) via a pin hinge. One group of guide rods (63) is slidably connected to the corresponding sleeve (613). One group of sleeves (613) is fixedly connected to the disc (612). One end of a group of guide rods (63) is fixedly connected to the corresponding electrode head (64).

2. The adjustable spot welding machine according to claim 1, characterized in that, The adjustment assembly (1) includes an L-shaped bracket (14), which is fixedly connected to the support frame (2). The upper side of the L-shaped bracket (14) is fixedly connected to the housing of the electric push rod (11). The telescopic rod of the electric push rod (11) passes through the L-shaped bracket (11). The end of the telescopic rod of the electric push rod (11) is fixedly connected to the disc (612). Symmetrical circular guide rods (13) are fixedly connected to the upper side of the disc (612). The two circular guide rods (13) are slidably connected to corresponding linear bearings (12). The two linear bearings (12) pass through and are fixedly connected to the L-shaped bracket (11).

3. The adjustable spot welding machine according to claim 1, characterized in that, The welding machine (3) is fixedly connected to one side of the support frame (2).

4. The adjustable spot welding machine according to claim 1, characterized in that, The upper middle part of the support frame (2) is fixedly connected to the positioning column (21).

5. The adjustable spot welding machine according to claim 4, characterized in that, The flange plate one (4) and the flange plate two (5) are concentric with the positioning column (21).