Metal melt filter element filter layer welding protection tool

Abstract

The utility model belongs to the filter core production related technical field, concretely is a kind of metal melt filter core filter layer welding protection frock, including sleeve;The sleeve one end is fixedly connected with support, the sleeve other end is equipped with cover, the cover one side is equipped with the slot, the sleeve is clamped with slot, the support middle part is fixedly connected with cylinder, the cylinder one end is equipped with through-hole, the through-hole is set in sleeve end, the cylinder is slidably connected with through-hole, the cylinder one end is fixedly connected with positioning plate, the positioning plate is slidably connected with sleeve, the cover middle part is fixedly connected with placing ring, the positioning plate surface is equipped with clamping assembly, by setting cylinder, through-hole, positioning plate push filter layer bottom plate, filter layer and filter layer top plate mutually adhere, realize the effect that filter layer bottom plate, filter layer and filter layer top plate are positioned, guarantee welding precision and welding quality.

Description

Technical Field

[0001] This utility model belongs to the technical field of filter element production, specifically a welding protection tool for the filter layer of a molten metal filter element. Background Technology

[0002] The filter layer of a molten metal filter cartridge is the core component of a molten metal filtration device. It is usually made of multiple layers of metal fiber felt, metal wire mesh, or sintered metal powder through precision machining. Its microporous structure effectively intercepts inclusions, oxides, and tiny particles in the melt, ensuring the purity of the melt. Under high temperature and high pressure conditions, the filter layer must have excellent corrosion resistance, thermal shock resistance, and structural stability. At the same time, it is firmly combined with the filter cartridge frame through welding process to form a sealed and reliable filtration unit. It is widely used in high-precision melt purification processes in metallurgy, casting, chemical and other fields.

[0003] Welding of the filter layer in a molten metal filter cartridge is a key process for connecting the filter layer to the frame. High-precision methods such as argon arc welding, laser welding, or vacuum brazing are used to form a metallurgical bond between the filter layer (such as metal fiber felt or sintered mesh) and the frame (such as stainless steel cylinder or flange) at high temperatures. During the welding process, inert gas protection (such as argon) or a vacuum environment is required to prevent oxidation of the molten pool. At the same time, deformation is controlled by tooling fixtures to ensure the weld sealing, pressure resistance, and filtration accuracy. Ultimately, a firm connection between the filter layer and the frame is achieved, meeting the stringent requirements of long-term filtration of high-temperature molten metal.

[0004] In existing technologies, the filter body welding process is extremely critical when processing high-precision molten metal filter elements. This process not only affects the precision and surface welding quality of the final filter element, but also has a certain impact on the welding strength of the workpiece. If this process fails to achieve good positioning, it will lead to a decline in product performance and cracking of the filter layer.

[0005] Therefore, this utility model provides a welding protection tool for the filter layer of a molten metal filter element. Utility Model Content

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: A metal melt filter element filter layer welding protection tooling of this utility model includes a sleeve; a bracket is fixedly connected to one end of the sleeve, and a cover is provided at the other end of the sleeve. A slot is opened on one side of the cover, and the sleeve is engaged with the slot. A cylinder is fixedly connected to the middle of the bracket, and a through hole is provided at one end of the cylinder, which is located at the end of the sleeve. The cylinder is slidably connected to the through hole. A positioning plate is fixedly connected to one end of the cylinder, and the positioning plate is slidably connected to the sleeve. A placement ring is fixedly connected to the middle of the cover, and a clamping assembly is provided on the surface of the positioning plate. During operation, after the cylinder is started, it slides within the through hole, and then drives the positioning plate to slide within the cover, thus removing the filter element from the other end of the sleeve. The bottom plate is placed on the positioning plate and fixed by the clamping assembly. Then, the cylinder is activated to move the positioning plate closer to the support end. The curled filter layer is then placed into the sleeve, with one end of the filter layer abutting against the bottom plate. Finally, the top plate of the filter layer is placed on the mounting ring on the cover. Through the slot, the sleeve and the cover are locked together. Then, the cylinder is activated again to push the positioning plate to move, so that the bottom plate, filter layer, and top plate of the filter layer are tightly fitted together. Then, the welding machine passes through the mounting ring and closes with the cover to weld the welding points of the bottom plate, filter layer, and top plate of the filter layer inside the sleeve. By setting up the cylinder, through hole, and positioning plate to push the bottom plate, filter layer, and top plate of the filter layer to fit together, the positioning effect of the bottom plate, filter layer, and top plate of the filter layer is achieved, ensuring welding accuracy and welding quality.

[0008] Preferably, the clamping assembly includes multiple sliding grooves on the surface of the positioning plate. A spring is fixedly connected to the middle of each sliding groove, and a sliding rod is fixedly connected to one end of the spring. The sliding rod is slidably connected to the sliding groove, and a pressure plate is fixedly connected to one end of the sliding rod. During operation, the filter layer bottom plate is placed on the positioning plate, the pressure plate is pulled, the sliding rod slides in the sliding groove, the spring is stretched, the filter layer bottom plate is placed between the pressure plate and the positioning plate, the pressure plate is released, and the pressure plate is driven down and reset by the spring, thus fixing the filter layer bottom plate on the positioning plate. The filter layer has a mesh structure, and the pressure plate is placed at the mesh of the filter layer, which does not affect the tight contact between the filter layer and the filter layer bottom plate. By setting the sliding groove, spring, sliding rod, and pressure plate to fix the filter layer bottom plate on the positioning plate, it is convenient for the cylinder to drive the positioning plate and the filter layer bottom plate to move in the sleeve, reducing the possibility of the filter layer bottom plate tilting when the positioning plate pushes the filter layer bottom plate, which could lead to jamming in the sleeve.

[0009] Preferably, a gas supply pipe is connected to one side of the sleeve, and a gas outlet is provided on one side of the gas supply pipe. The gas outlet is opened on the surface of the sleeve, and a gas guide pipe is fixedly connected to the middle of the gas outlet. One end of the gas guide pipe is connected to the gas supply pipe. During operation, protective gas is introduced into the sleeve through the gas supply pipe. The gas outlet is close to the end of the cover, and the gas outlet can guide the protective gas to the gas guide pipe and finally flow back into the gas supply pipe. This reduces the leakage of protective gas when the cover is connected to the welding machine for welding.

[0010] Preferably, one end of the pressure plate is provided with a magnetic block, which is fixedly connected to the positioning plate. During operation, when the filter layer bottom plate is placed on the positioning plate, a magnet is placed on top of it, which, together with the magnetic block, attracts the filter layer bottom plate, thereby further achieving the effect of fixing the filter layer bottom plate.

[0011] Preferably, a pad is provided on one side of the pressure plate. The pad is fixedly connected to the pressure plate. During operation, the pressure plate and the positioning plate cooperate to clamp the filter layer bottom plate. The pad protects and buffers the filter layer bottom plate, reducing the possibility of the pressure plate causing indentations to the filter layer bottom plate.

[0012] Preferably, a first sealing ring is fixedly connected to both sides of the through hole, and the first sealing ring is slidably connected to the cylinder. A second sealing ring is provided on one side of the placement ring, and the second sealing ring is fixedly connected to the cover. During operation, both the first sealing ring and the second sealing ring fill the gaps to reduce the leakage of protective gas.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The metal melt filter element filter layer welding protection tooling of this utility model, by setting a cylinder, through hole and positioning plate to push the filter layer bottom plate, filter layer and filter layer top plate to fit together, realizes the positioning effect of filter layer bottom plate, filter layer and filter layer top plate, and ensures welding accuracy and welding quality.

[0015] 2. The metal melt filter element filter layer welding protection tooling of this utility model fixes the filter layer bottom plate on the positioning plate by setting a sliding groove, spring, sliding rod and pressure plate, which facilitates the cylinder to drive the positioning plate and the filter layer bottom plate to move in the sleeve, reducing the situation where the filter layer bottom plate tilts when the positioning plate pushes the filter layer bottom plate, and thus jamming in the sleeve. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a perspective view of the present invention;

[0018] Figure 2 This is a schematic diagram of the sleeve structure in this utility model;

[0019] Figure 3 This is a schematic diagram of the positioning plate in this utility model;

[0020] Figure 4 This is a schematic diagram of the air guide tube in this utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the cover body in this utility model;

[0022] In the diagram: 1. Sleeve; 11. Bracket; 12. Cover; 101. Slot; 13. Cylinder; 14. Through hole; 15. Positioning plate; 16. Placement ring; 2. Slide groove; 21. Spring; 22. Slide rod; 23. Pressure plate; 3. Air supply pipe; 31. Air outlet; 32. Air guide pipe; 4. Magnetic block; 5. Pad block; 6. First sealing ring; 61. Second sealing ring. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] like Figures 1 to 3 As shown in the embodiment of this utility model, a welding protection fixture for a metal melt filter element includes a sleeve 1. A bracket 11 is fixedly connected to one end of the sleeve 1, and a cover 12 is provided at the other end of the sleeve 1. A slot 101 is provided on one side of the cover 12, and the sleeve 1 engages with the slot 101. A cylinder 13 is fixedly connected to the middle of the bracket 11. A through hole 14 is provided at one end of the cylinder 13, located at the end of the sleeve 1. The cylinder 13 is slidably connected to the through hole 14. A positioning plate 15 is fixedly connected to one end of the cylinder 13, and the positioning plate 15 is slidably connected to the sleeve 1. A placement ring 16 is fixedly connected to the middle of the cover 12. A clamping assembly is provided on the surface of the positioning plate 15. During operation, after the cylinder 13 is started, it slides within the through hole 14, thereby causing the positioning plate 15 to slide within the cover 12, from the other end of the sleeve 1. The filter layer bottom plate is placed on the positioning plate 15 and fixed by the clamping assembly. Then, the cylinder 13 is started, which moves the positioning plate 15 closer to the bracket 11. The rolled filter layer is then placed into the sleeve 1, with one end of the filter layer abutting against the filter layer bottom plate. Finally, the filter layer top plate is placed on the cover 12 at the placement ring 16. The sleeve 1 and the cover 12 are engaged through the slot 101. Then, the cylinder 13 is started to push the positioning plate 15 to move, so that the filter layer bottom plate, filter layer and filter layer top plate are tightly fitted together. Then, the welding machine passes through the placement ring 16 and closes with the cover 12 to weld the welding points of the filter layer bottom plate, filter layer and filter layer top plate inside the sleeve 1. By setting the cylinder 13, through hole 14 and positioning plate 15 to push the filter layer bottom plate, filter layer and filter layer top plate to fit together, the positioning effect of the filter layer bottom plate, filter layer and filter layer top plate is achieved, ensuring welding accuracy and welding quality.

[0025] like Figures 2 to 3As shown, the clamping assembly includes multiple sliding grooves 2 formed on the surface of the positioning plate 15. A spring 21 is fixedly connected to the middle of each sliding groove 2, and a sliding rod 22 is fixedly connected to one end of the spring 21. The sliding rod 22 is slidably connected to the sliding groove 2, and a pressure plate 23 is fixedly connected to one end of the sliding rod 22. During operation, the filter layer bottom plate is placed on the positioning plate 15, the pressure plate 23 is pulled, the sliding rod 22 slides in the sliding groove 2, the spring 21 is stretched, the filter layer bottom plate is placed between the pressure plate 23 and the positioning plate 15, and the pressure plate 23 is released. 23 is reset by the spring 21, fixing the filter layer bottom plate on the positioning plate 15. The filter layer has a mesh structure, and the pressure plate 23 is placed at the mesh of the filter layer, which will not affect the tight contact between the filter layer and the filter layer bottom plate. By setting the slide groove 2, spring 21, slide rod 22 and pressure plate 23, the filter layer bottom plate is fixed on the positioning plate 15, which makes it easy for the cylinder 13 to drive the positioning plate 15 and the filter layer bottom plate to move in the sleeve 1, reducing the situation where the filter layer bottom plate tilts when the positioning plate 15 pushes the filter layer bottom plate, thus preventing jamming in the sleeve 1.

[0026] like Figures 1 to 4 As shown, a gas supply pipe 3 is connected to one side of the sleeve 1, and a gas outlet 31 is provided on one side of the gas supply pipe 3. The gas outlet 31 is opened on the surface of the sleeve 1, and a gas guide pipe 32 is fixedly connected to the middle of the gas outlet 31. One end of the gas guide pipe 32 is connected to the gas supply pipe 3. During operation, protective gas is introduced into the sleeve 1 through the gas supply pipe 3. The gas outlet 31 is close to the port of the cover 12. The gas outlet 31 can guide the protective gas to the gas guide pipe 32 and finally flow back into the gas supply pipe 3. This reduces the leakage of protective gas when the cover 12 is connected to the welding machine for welding.

[0027] like Figures 2 to 3 As shown, one end of the pressure plate 23 is provided with a magnetic block 4. The magnetic block 4 is fixedly connected to the positioning plate 15. When the filter layer bottom plate is placed on the positioning plate 15 during operation, a magnet is placed on it. The magnetic block 4 attracts the filter layer bottom plate, thereby further fixing the filter layer bottom plate.

[0028] like Figure 3 As shown, a pad 5 is provided on one side of the pressure plate 23. The pad 5 is fixedly connected to the pressure plate 23. During operation, the pressure plate 23 and the positioning plate 15 cooperate to clamp the filter layer bottom plate. The pad 5 protects and buffers the filter layer bottom plate, reducing the possibility of the pressure plate 23 causing indentations to the filter layer bottom plate.

[0029] like Figures 1 to 5 As shown, a first sealing ring 6 is fixedly connected to both sides of the through hole 14. The first sealing ring 6 is slidably connected to the cylinder 13. A second sealing ring 61 is provided on one side of the placement ring 16. The second sealing ring 61 is fixedly connected to the cover body 12. During operation, both the first sealing ring 6 and the second sealing ring 61 fill the gaps to reduce the leakage of protective gas.

[0030] Working principle: After starting cylinder 13, cylinder 13 slides within through hole 14, then drives positioning plate 15 to slide within cover 12. The filter layer bottom plate is placed onto positioning plate 15 from the other end of sleeve 1. After being fixed by clamping assembly, cylinder 13 is started again, driving positioning plate 15 closer to bracket 11. Then, the rolled filter layer is placed into sleeve 1, with one end of the filter layer abutting the filter layer bottom plate. Finally, the filter layer top plate is placed on cover 12 at placement ring 16. Through slot 101, sleeve 1 and cover 12 are engaged. Then, cylinder 13 is started again to push positioning plate 15 to move, so that filter layer bottom plate, filter layer, and filter layer top plate are aligned. The plates are tightly fitted together, and then the welding machine passes through the placement ring 16 and closes with the cover 12 to weld the welding points of the filter layer bottom plate, filter layer, and filter layer top plate inside the sleeve 1. By setting the cylinder 13, through hole 14, and positioning plate 15, the filter layer bottom plate, filter layer, and filter layer top plate are pushed to fit together, achieving the positioning effect of the filter layer bottom plate, filter layer, and filter layer top plate, ensuring welding accuracy and welding quality. The filter layer bottom plate is placed on the positioning plate 15, the pressure plate 23 is pulled, the slide rod 22 slides in the slide groove 2, the spring 21 is stretched, the filter layer bottom plate is placed between the pressure plate 23 and the positioning plate 15, the pressure plate 23 is released, and the pressure plate is pressed... Plate 23 is reset by spring 21, fixing the filter layer bottom plate onto positioning plate 15. The filter layer has a mesh structure, and pressure plate 23 is placed at the mesh of the filter layer, which does not affect the tight contact between the filter layer and the filter layer bottom plate. By setting the sliding groove 2, spring 21, sliding rod 22, and pressure plate 23, the filter layer bottom plate is fixed onto positioning plate 15, which facilitates the movement of positioning plate 15 and filter layer bottom plate within sleeve 1 by cylinder 13. This reduces the possibility of the filter layer bottom plate tilting when positioning plate 15 pushes the filter layer bottom plate, thus preventing jamming within sleeve 1. Protective gas is introduced into sleeve 1 through air pipe 3, and air outlet 31 is near the port of cover 12. The vent 31 guides the protective gas to the gas guide pipe 32 and eventually back into the gas supply pipe 3, thus reducing the leakage of protective gas when the cover 12 is connected to the welding machine for welding. When the filter layer bottom plate is placed on the positioning plate 15, a magnet is placed on it, which, together with the magnetic block 4, attracts the filter layer bottom plate, further achieving the effect of fixing the filter layer bottom plate. The pressure plate 23 and the positioning plate 15 work together to clamp the filter layer bottom plate. The pad block 5 protects and buffers the filter layer bottom plate, reducing the possibility of the pressure plate 23 causing indentations on the filter layer bottom plate. The first sealing ring 6 and the second sealing ring 61 are both for filling gaps, reducing the leakage of protective gas.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A welding protection fixture for the filter layer of a molten metal filter element, comprising a sleeve (1); characterized in that: One end of the sleeve (1) is fixedly connected to a bracket (11), and the other end of the sleeve (1) is provided with a cover (12). A slot (101) is provided on one side of the cover (12), and the sleeve (1) is engaged with the slot (101). A cylinder (13) is fixedly connected to the middle of the bracket (11). One end of the cylinder (13) is provided with a through hole (14), which is located at the end of the sleeve (1). The cylinder (13) is slidably connected to the through hole (14). One end of the cylinder (13) is fixedly connected to a positioning plate (15), which is slidably connected to the sleeve (1). A placement ring (16) is fixedly connected to the middle of the cover (12), and a clamping assembly is provided on the surface of the positioning plate (15).

2. The welding protection fixture for the filter layer of a molten metal filter element according to claim 1, characterized in that: The clamping assembly includes multiple sliding grooves (2) on the surface of the positioning plate (15). A spring (21) is fixedly connected to the middle of the sliding groove (2). A sliding rod (22) is fixedly connected to one end of the spring (21). The sliding rod (22) is slidably connected to the sliding groove (2). A pressure plate (23) is fixedly connected to one end of the sliding rod (22).

3. The welding protection fixture for the filter layer of a molten metal filter element according to claim 2, characterized in that: The sleeve (1) is connected to a gas supply pipe (3) on one side. The gas supply pipe (3) is provided with an air outlet (31) on one side. The air outlet (31) is opened on the surface of the sleeve (1). A guide pipe (32) is fixedly connected to the middle of the air outlet (31). One end of the guide pipe (32) is connected to the gas supply pipe (3).

4. The welding protection fixture for the filter layer of a molten metal filter element according to claim 3, characterized in that: The pressure plate (23) has a magnetic block (4) at one end, and the magnetic block (4) is fixedly connected to the positioning plate (15).

5. The welding protection fixture for the filter layer of a molten metal filter element according to claim 4, characterized in that: A pad (5) is provided on one side of the pressure plate (23), and the pad (5) is fixedly connected to the pressure plate (23).

6. The welding protection fixture for the filter layer of a molten metal filter element according to claim 5, characterized in that: A first sealing ring (6) is fixedly connected to both sides of the through hole (14). The first sealing ring (6) is slidably connected to the cylinder (13). A second sealing ring (61) is provided on one side of the placement ring (16). The second sealing ring (61) is fixedly connected to the cover (12).

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