Welding anti-burn-through device for stainless steel melt filter element
By combining the positioning sleeve and clamping assembly, the problems of burn-through and weld mark control in the welding of stainless steel melt filter elements were solved, achieving high-quality welding results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XINXIANG JUJIN ELECTROMECHANICAL CO LTD
- Filing Date
- 2025-08-19
- Publication Date
- 2026-07-21
AI Technical Summary
The butt welds of stainless steel melt filter elements are prone to burn-through, affecting the quality of the filter elements, and the width of the weld marks is difficult to control.
The filter element is positioned and supported by a combination of positioning sleeve, axial core rod and open weld seam. The width of the open weld seam is adjusted by clamping assembly to avoid welding burn-through and control the width of weld marks.
It effectively prevents filter element welding burn-through, ensures welding quality, controls weld width, and improves the welding quality of filter elements.
Smart Images

Figure CN224526313U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of filter element welding equipment, and in particular to a burn-through prevention device for welding stainless steel molten filter elements. Background Technology
[0002] Stainless steel melt filter elements are cylindrical. Because the filter element is thin and has a small outer diameter, the butt weld seam is prone to burn-through, affecting the quality of the filter element. Moreover, during welding, the area near the weld seam is also easily affected, leaving a wide weld mark, which also affects the quality of the filter element. Utility Model Content
[0003] This utility model proposes a welding anti-burn-through device for stainless steel melt filter elements. By cooperating with a positioning sleeve, an axial core rod and an open weld, the filter element is prevented from being burned through, and the width of the weld mark on the filter element is controlled.
[0004] The technical solution of this utility model is implemented as follows: a stainless steel melt filter element welding anti-burn-through device includes a worktable, a horizontal positioning sleeve placed on the worktable, an axial through hole provided in the positioning sleeve, an axial core rod placed in the axial through hole, an open weld seam provided on the positioning sleeve on the upper side of the axial through hole, the open weld seam is provided through the axial direction, and a clamping component is also provided on the worktable for adjusting the width of the open weld seam.
[0005] Furthermore, the clamping assembly includes a fixed base and a movable base, the fixed base being fixed to one side of the positioning sleeve, and the movable base being slidably disposed on the other side of the positioning sleeve.
[0006] Furthermore, the movable seat includes a screw, a fixed block, and a clamping rod. The fixed block is fixed on the worktable, and the clamping rod is slidably placed between the fixed block and the positioning sleeve. One end of the screw is fixed with a rotating handle, and the other end is threaded through the fixed block and abuts against the clamping rod.
[0007] Furthermore, the fixed seat includes a limiting rod, the fixed rod is fixed to the worktable, the limiting rod is located between the fixed rod and the positioning sleeve, and the limiting rod abuts against the side wall of the positioning sleeve.
[0008] Furthermore, the bottom of the positioning sleeve is arc-shaped, and the positioning sleeve is an elastic metal sleeve.
[0009] The beneficial effects of this utility model are: This invention uses the axial through hole of the positioning sleeve and the axial core rod to position and support the filter element. Welding is performed through the open weld seam. The positioning sleeve protects the filter element at the edge of the weld seam to prevent it from being burned through. At the same time, the width of the open weld seam is adjusted by the clamping assembly, thereby controlling the width of the weld mark on the filter element. Attached Figure Description
[0010] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0011] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 for Figure 1 The right view.
[0012] Workbench 1, positioning sleeve 2, axial through hole 3, axial core rod 4, open weld 5, fixing rod 6, limiting rod 7, screw 8, fixing block 9, clamping rod 10, rotating handle 11. Detailed Implementation
[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0014] like Figure 1-2 As shown, the stainless steel melt filter element welding anti-burn-through device includes a workbench 1, on which a horizontal positioning sleeve 2 is placed. The positioning sleeve 2 is an elastic metal sleeve with an arc-shaped bottom. An axial through hole 3 is provided inside the positioning sleeve 2, and an axial core rod 4 is placed inside the axial through hole 3. An open weld 5 is provided on the positioning sleeve 2 above the axial through hole 3. The open weld 5 is provided axially. A clamping assembly is also provided on the workbench 1 for adjusting the width of the open weld 5.
[0015] The clamping assembly includes a fixed seat and a movable seat. The fixed seat includes a fixed rod 6, which is fixed on the worktable 1 on one side of the positioning sleeve 2. A limit rod 7 is placed between the fixed rod 6 and the positioning sleeve 2, and the limit rod 7 abuts against the side wall of the positioning sleeve 2.
[0016] The movable seat is slidably provided on the other side of the positioning sleeve 2. The movable seat includes a screw 8, a fixing block 9 and a clamping rod 10. The fixing block 9 is fixed on the worktable 1 on the other side of the positioning sleeve 2. One end of the screw 8 is fixed with a rotating handle 11, and the other end is threaded through the fixing block 9 and abuts against the clamping rod 10. The clamping rod 10 is slidably placed on the worktable 1 and is located between the screw 8 and the positioning sleeve 2.
[0017] The filter element to be welded is mounted on the axial core rod 4 and placed in the axial through hole 3. The part of the filter element to be welded corresponds to the open weld seam 5. By rotating the handle 11, the screw 8 is rotated. The screw 8 pushes the clamping rod 10 to press against the positioning sleeve 2, thereby reducing the width of the open weld seam 5 at the top of the positioning sleeve 2 to the set width. Then, the filter element is welded along the open weld seam 5.
[0018] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A burn-through prevention device for welding stainless steel melt filter elements, comprising a workbench, characterized in that: A horizontal positioning sleeve is placed on the worktable. An axial through hole is provided inside the positioning sleeve. An axial core rod is placed inside the axial through hole. An open weld is provided on the positioning sleeve above the axial through hole. The open weld is provided along the axial direction. A clamping assembly is also provided on the worktable to adjust the width of the open weld.
2. The stainless steel melt filter element welding burn-through prevention device according to claim 1, characterized in that: The clamping assembly includes a fixed base and a movable base. The fixed base is fixed to one side of the positioning sleeve, and the movable base is slidably disposed on the other side of the positioning sleeve.
3. The stainless steel melt filter element welding burn-through prevention device according to claim 2, characterized in that: The movable seat includes a screw, a fixed block, and a clamping rod. The fixed block is fixed on the worktable, and the clamping rod is slidably placed between the fixed block and the positioning sleeve. One end of the screw is fixed with a rotating handle, and the other end is threaded through the fixed block and abuts against the clamping rod.
4. The stainless steel melt filter element welding burn-through prevention device according to claim 2, characterized in that: The fixed base includes a limiting rod. The fixed rod is fixed to the worktable, and the limiting rod is located between the fixed rod and the positioning sleeve. The limiting rod abuts against the side wall of the positioning sleeve.
5. The anti-burn-through device for stainless steel melt filter element welding according to claim 1, characterized in that: The bottom of the positioning sleeve is arc-shaped, and the positioning sleeve is an elastic metal sleeve.