Welding tool for silicon powder filter

Abstract

The utility model relates to the technical field of filters, in particular to a welding tool of a silicon powder filter. Comprising a fixed mounting seat, a tool main body is arranged above the fixed mounting seat, a plurality of groups of limiting clamping grooves are formed in the surface of the tool main body, a plurality of groups of welding clamps are arranged above the tool main body, a group of fixed clamping blocks are arranged at the bottom of each group of welding clamps, and a filter header pipe is arranged above the tool main body. A plurality of sets of filtering nozzles are arranged above the tool body, clamping limiting holes are formed in the center of the surface of the welding clamp, a protection bottom pad is arranged in the welding clamp, two sets of arc-shaped clamping plates are symmetrically arranged in each set of clamping limiting holes, and a set of cross-shaped supporting rods are arranged in each set of limiting cavities. And a group of telescopic springs are arranged in each group of limiting cavities. According to the embodiment, the perpendicularity of the filter nozzle is guaranteed, deformation is reduced, and the practicability of equipment is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of filters, and particularly relates to a welding tooling for a silicon powder filter. Background Technique

[0002] Silicon powder, also known as microsilica powder, scientific name silicon fume, is formed by collecting and processing the smoke and dust escaping with the exhaust gas through a special trapping device during the high-temperature smelting of industrial silicon and ferrosilicon in an industrial electric furnace. In the escaping smoke and dust, the SiO2 content accounts for about 90% of the total amount of the smoke and dust, and the particle size is very small, with an average particle size almost at the nanometer level, so it is called silicon powder. When filtering silicon powder, multiple nozzles are usually used simultaneously.

[0003] After retrieval, in the prior art, the Chinese patent publication number: CN217071229U, authorization date: July 29, 2022, discloses a filter welding device, including a base, two sides above the base are fixed with fixed seats, a rotating cylinder is rotatably connected above the fixed seats, a vertical plate is fixed on one side above the base, a welding torch is arranged at the bottom of the vertical plate, and further includes a fixing component and a rotating component. The fixing component is used for fixing the round tube and the head end cover, and the fixing component is located inside the rotating cylinder. The rotating component is used for driving the round tube and the head end cover to rotate, and the rotating component is located on one side of the rotating cylinder, which can respectively fix the round tube and the head end cover, so that the axes of the round tube and the head end cover can be on the same straight line, thereby enabling the round tube and the head end cover to be accurately butted, avoiding the deviation of the welding position, and meeting the needs of users.

[0004] However, this device still has the following defects: Although the above embodiment can fix round tubes and head end covers with different diameters, has a wide application range and is convenient to use. However, this device is not convenient for welding multiple nozzles of the filter, and its use has limitations. Content of the Utility Model

[0005] In view of the above problems, the utility model provides a welding tooling for a silicon powder filter, including a fixedly installed seat, a tooling main body is arranged above the fixedly installed seat, a number of groups of limit clamping grooves are formed on the surface of the tooling main body, a number of groups of welding jigs are arranged above the tooling main body, a fixed clamping block is arranged at the bottom of each group of welding jigs, a filter main pipe is arranged above the tooling main body, and a number of groups of filter branch pipes penetrate through the surface of the filter main pipe;

[0006] Above the main body of the tooling, there are several groups of filtering nozzles. At the center of the surface of the welding fixture, there is a clamping limit hole. Inside the welding fixture, there is a protective bottom pad. Inside each group of welding fixtures, two groups of limit cavities are symmetrically arranged. Inside each group of clamping limit holes, two groups of arc-shaped clamping plates are symmetrically arranged. Inside each group of limit cavities, there is a cross-shaped support rod, and inside each group of limit cavities, there is a telescopic spring.

[0007] Furthermore, the cross-section of the fixed mounting seat is trapezoidal. The central axis of the main body of the tooling coincides with the central axis of the fixed mounting seat, and the shapes and sizes of the main body of the tooling and the fixed mounting seat are the same.

[0008] Furthermore, at the top of the fixed mounting seat, there are several groups of mounting bolts. Several groups of the mounting bolts are respectively located at the top corners of the fixed mounting seat. Above the fixed mounting seat, there are several groups of fixing nuts. Several groups of the mounting bolts respectively penetrate through the main body of the tooling and are threadedly connected with several groups of fixing nuts.

[0009] Furthermore, several groups of limit clamping grooves are arranged at equal intervals. Several groups of welding fixtures are respectively arranged in contact with several groups of limit clamping grooves. Each group of fixed clamping blocks is respectively movably clamped with several groups of limit clamping grooves.

[0010] Furthermore, inside each group of limit clamping grooves, two groups of support blocks are symmetrically arranged, and the two groups of support blocks are both located at the bottom end of the side wall of a group of limit clamping grooves. The bottom end of each group of fixed clamping blocks is movably clamped with the two groups of support blocks.

[0011] Furthermore, each group of filtering nozzles of the tooling is respectively arranged in movable contact with several groups of welding fixtures. Each group of protective bottom pads is located at the inner bottom end of a group of clamping limit holes. The two groups of limit cavities are symmetrically arranged with the central axis of the clamping limit hole as the center. On the side wall of each group of clamping limit holes, two groups of limit through grooves are symmetrically opened, and the two groups of limit through grooves are respectively communicated with the two groups of limit cavities.

[0012] Furthermore, inside each group of limit cavities, there is a fixed block. Inside each group of limit through grooves, a connecting support rod is respectively penetrated. One end of each group of connecting support rods is respectively connected with a group of arc-shaped clamping plates, and the other end of each group of connecting support rods is respectively connected with a group of fixed blocks. One side of each group of cross-shaped support rods is connected with the fixed block.

[0013] Furthermore, one end of each group of cross-shaped support rods is respectively connected with the adjacent four side walls of the limit cavity. One end of each group of telescopic springs is respectively connected with a group of cross-shaped support rods, and the other end of each group of telescopic springs is connected with the inner wall of the limit cavity.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. There are several groups of welding jigs provided above the tooling main body, which ensures the perpendicularity of the filter nozzles. Then, laser welding is used to reduce deformation. There are several groups of limit clamping grooves opened on the surface of the tooling main body. There is a fixed clamping block at the bottom of each group of welding jigs. By respectively and movably clamping each group of fixed clamping blocks with several groups of limit clamping grooves, the welding jigs can be disassembled or installed, and it is convenient for maintenance and replacement. It can weld different numbers of filter nozzles and at the same time achieve the effect of facilitating maintenance and replacement to improve the service life of the equipment.

[0016] 2. Each group of filter nozzles is sequentially placed into the interior of each group of welding jigs. There are two groups of arc-shaped clamping plates symmetrically arranged inside each group of welding jigs, which can clamp and fix each group of filter nozzles. There is a protective bottom pad inside the welding jig, which can prevent damage to the filter nozzles caused by the inner bottom end of the clamping limit hole during the welding process. After adjusting each group of filter nozzles, pair the filter main pipe and the filter branch pipe with the filter nozzles, and after positioning the welding position, perform spot welding fixation, which improves the welding efficiency and at the same time achieves the effect of protecting the filter nozzles.

[0017] Other features and advantages of the present utility model will be described in the subsequent specification, and, in part, will become obvious from the specification or will be understood by implementing the present utility model. The objectives and other advantages of the present utility model can be realized and obtained through the structures pointed out in the specification, the claims, and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 Shows a schematic structural diagram according to an embodiment of the present utility model;

[0020] Figure 2 Shows a schematic structural diagram of the tooling main body according to an embodiment of the present utility model;

[0021] Figure 3 Shows a front view of the welding jig structure according to an embodiment of the present utility model;

[0022] Figure 4 Shows a cross-sectional view of the welding jig according to an embodiment of the present utility model.

[0023] In the figure: 1. Fixed mounting seat; 2. Tool body; 3. Mounting bolt; 4. Fixing nut; 5. Limiting card slot; 6. Support block; 7. Welding fixture; 8. Fixed card block; 9. Filter main pipe; 10. Filter branch pipe; 11. Filter nozzle; 12. Clamping limiting hole; 13. Protective bottom pad; 14. Limiting cavity; 15. Arc splint; 16. Limiting through slot; 17. Connecting support rod; 18. Fixed block; 19. Cross support rod; 20. Telescopic spring. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The present utility model embodiment provides a welding tool for a silicon powder filter, including a fixed mounting seat 1; illustratively, as Figures 1-4 shown.

[0026] The cross section of the fixed mounting seat 1 is a trapezoidal structure, a tooling body 2 is provided above the fixed mounting seat 1, the central axis of the tooling body 2 coincides with the central axis of the fixed mounting seat 1, and the tooling body 2 and the fixed mounting seat 1 are of the same shape and size, a plurality of groups of mounting bolts 3 are provided at the top of the fixed mounting seat 1, and the plurality of groups of mounting bolts 3 are respectively located at the top corners of the fixed mounting seat 1, and a plurality of groups of fixing nuts 4 are provided above the fixed mounting seat 1;

[0027] Several groups of mounting bolts 3 are threadedly connected with several groups of fixing nuts 4 after passing through the tooling body 2. Several groups of limiting clamping grooves 5 are provided on the surface of the tooling body 2. Several groups of limiting clamping grooves 5 are evenly spaced. Several groups of welding fixtures 7 are provided above the tooling body 2. Several groups of welding fixtures 7 are respectively fitted with several groups of limiting clamping grooves 5. A group of fixing clamping blocks 8 are provided at the bottom of each group of welding fixtures 7.

[0028] Each group of the fixed clamping blocks 8 is movably clamped with several groups of limiting clamping grooves 5. Inside each group of the limiting clamping grooves 5, two groups of supporting blocks 6 are symmetrically arranged, and both of the two groups of supporting blocks 6 are located at the bottom end of the side wall of a group of limiting clamping grooves 5. The bottom end of each group of the fixed clamping blocks 8 is movably clamped with the two groups of supporting blocks 6. Above the tooling main body 2, there is a filter main pipe 9, and several groups of filter branch pipes 10 penetrate through the surface of the filter main pipe 9;

[0029] Several groups of the filter branch pipes 10 are symmetrically arranged with the central axis of the filter main pipe 9 as the center, and slots are formed on the bottom surfaces of the filter main pipe 9 and several groups of filter branch pipes 10. Above the tooling main body 2, there are several groups of filter nozzles 11. Each group of the filter nozzles 11 of the tooling is movably attached to several groups of welding jigs 7 respectively. A clamping limiting hole 12 is formed at the center of the surface of the welding jig 7, and a protective bottom pad 13 is arranged inside the welding jig 7;

[0030] Each group of the protective bottom pads 13 is located at the inner bottom end of a group of clamping limiting holes 12. Inside each group of the welding jigs 7, two groups of limiting cavities 14 are symmetrically formed. The two groups of limiting cavities 14 are symmetrically arranged with the central axis of the clamping limiting hole 12 as the center. Inside each group of the clamping limiting holes 12, two groups of arc-shaped clamping plates 15 are symmetrically arranged. On the side wall of each group of the clamping limiting holes 12, two groups of limiting through grooves 16 are symmetrically formed, and the two groups of limiting through grooves 16 communicate with the two groups of limiting cavities 14 respectively;

[0031] Inside each group of the limiting through grooves 16, a connecting support rod 17 penetrates through. Inside each group of the limiting cavities 14, a fixed block 18 is arranged. Inside each group of the limiting cavities 14, a cross support rod 19 is arranged. One end of each group of the connecting support rods 17 is connected to a group of arc-shaped clamping plates 15 respectively, and the other end of each group of the connecting support rods 17 is connected to a group of fixed blocks 18 respectively. One side of each group of the cross support rods 19 is connected to the fixed block 18;

[0032] One end of each group of the cross support rods 19 is connected to the adjacent four side walls of the limiting cavity 14 respectively. Inside each group of the limiting cavities 14, a telescopic spring 20 is arranged. One end of each group of the telescopic springs 20 is connected to a group of cross support rods 19 respectively, and the other end of each group of the telescopic springs 20 is connected to the inner wall of the limiting cavity 14.

[0033] Specifically, each group of the filtering nozzles 11 is sequentially placed inside each group of welding jigs 7. Since two groups of arc-shaped clamping plates 15 are symmetrically arranged inside each group of the welding jigs 7, each group of the filtering nozzles 11 can be clamped and fixed. Further, since a protective bottom pad 13 is arranged inside the welding jig 7, it can prevent the inner bottom end of the clamping limit hole 12 from damaging the filtering nozzle 11 during the welding process. After adjusting each group of the filtering nozzles 11, the filtering main pipe 9 and the filtering branch pipe 10 are paired with the filtering nozzle 11, and after positioning the welding position, spot welding is performed for fixation;

[0034] Since several groups of welding jigs 7 are arranged above the tooling main body 2, the perpendicularity of the filtering nozzles 11 is ensured. Further, laser welding is used to reduce deformation. Since several groups of limit clamping grooves 5 are formed on the surface of the tooling main body 2, and since a fixed clamping block 8 is arranged at the bottom of each group of the welding jigs 7, and each group of the fixed clamping blocks 8 is respectively and movably clamped with several groups of limit clamping grooves 5, the welding jig 7 can be disassembled or installed, and it is convenient for maintenance and replacement. It can weld different numbers of filtering nozzles 11, and at the same time, it is convenient for maintenance and replacement to achieve the effect of extending the service life of the equipment.

[0035] The working principle of a welding tooling for a silicon powder filter proposed by an embodiment of the present utility model is as follows:

[0036] Each group of the filtering nozzles 11 is sequentially placed inside each group of the welding jigs 7. Since two groups of arc-shaped clamping plates 15 are symmetrically arranged inside each group of the welding jigs 7, each group of the filtering nozzles 11 can be clamped and fixed. Further, since a protective bottom pad 13 is arranged inside the welding jig 7, it can prevent the inner bottom end of the clamping limit hole 12 from damaging the filtering nozzle 11 during the welding process. After adjusting each group of the filtering nozzles 11, the filtering main pipe 9 and the filtering branch pipe 10 are paired with the filtering nozzle 11, and after positioning the welding position, spot welding is performed for fixation;

[0037] Since several groups of welding jigs 7 are arranged above the tooling main body 2, the perpendicularity of the filtering nozzles 11 is ensured. Further, laser welding is used to reduce deformation. Since several groups of limit clamping grooves 5 are formed on the surface of the tooling main body 2, and since a fixed clamping block 8 is arranged at the bottom of each group of the welding jigs 7, and each group of the fixed clamping blocks 8 is respectively and movably clamped with several groups of limit clamping grooves 5, the welding jig 7 can be disassembled or installed, and it is convenient for maintenance and replacement. It can weld different numbers of filtering nozzles 11, and at the same time, it is convenient for maintenance and replacement to achieve the effect of extending the service life of the equipment.

[0038] Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present utility model.

Claims

1. A welding tooling for a silicon powder filter, comprising a fixed mounting base (1), characterized in that: Above the fixed mounting base (1), there is a tooling main body (2). On the surface of the tooling main body (2), several groups of limit clamping grooves (5) are provided. Above the tooling main body (2), several groups of welding jigs (7) are provided. At the bottom of each group of welding jigs (7), there is a group of fixed clamping blocks (8). Above the tooling main body (2), there is a main filter pipe (9). Several groups of filter branch pipes (10) penetrate through the surface of the main filter pipe (9). Above the tooling main body (2), several groups of filter nozzles (11) are provided. At the center of the surface of the welding jig (7), a clamping limit hole (12) is provided. Inside the welding jig (7), there is a protective bottom pad (13). Inside each group of welding jigs (7), two groups of limit cavities (14) are symmetrically provided. Inside each group of clamping limit holes (12), two groups of arc-shaped clamping plates (15) are symmetrically provided. Inside each group of limit cavities (14), there is a group of cross support rods (19). Inside each group of limit cavities (14), there is a group of telescopic springs (20).

2. The welding tooling for the silicon powder filter according to claim 1, characterized in that: The cross-section of the fixed mounting base (1) is trapezoidal. The central axis of the tooling main body (2) coincides with the central axis of the fixed mounting base (1), and the shapes and sizes of the tooling main body (2) and the fixed mounting base (1) are the same.

3. The welding tooling for the silicon powder filter according to claim 2, characterized in that: At the top of the fixed mounting base (1), several groups of mounting bolts (3) are provided. Several groups of mounting bolts (3) are respectively located at the top corners of the fixed mounting base (1). Above the fixed mounting base (1), several groups of fixed nuts (4) are provided. Several groups of mounting bolts (3) penetrate through the tooling main body (2) and are respectively threadedly connected to several groups of fixed nuts (4).

4. The welding tooling for the silicon powder filter according to claim 3, characterized in that: Several groups of limit clamping grooves (5) are arranged at equal intervals. Several groups of welding jigs (7) are respectively attached to several groups of limit clamping grooves (5). Each group of fixed clamping blocks (8) is respectively movably clamped with several groups of limit clamping grooves (5).

5. The welding tooling for the silicon powder filter according to claim 4, characterized in that: Inside each group of limit clamping grooves (5), two groups of support blocks (6) are symmetrically provided, and the two groups of support blocks (6) are both located at the bottom end of the side wall of a group of limit clamping grooves (5). The bottom end of each group of fixed clamping blocks (8) is movably clamped with the two groups of support blocks (6).

6. The welding tooling for the silicon powder filter according to claim 1, characterized in that: Each group of filter nozzles (11) of the tooling is respectively movably attached to several groups of welding jigs (7). Each group of protective bottom pads (13) is located at the inner bottom end of a group of clamping limit holes (12). The two groups of limit cavities (14) are symmetrically arranged with the central axis of the clamping limit hole (12) as the center. On the side wall of each group of clamping limit holes (12), two groups of limit through grooves (16) are symmetrically provided, and the two groups of limit through grooves (16) are respectively communicated with the two groups of limit cavities (14).

7. The welding tooling for the silicon powder filter according to claim 6, characterized in that: Inside each of the said limiting cavities (14), a set of fixing blocks (18) is provided. Inside each of the said limiting through grooves (16), a set of connecting support rods (17) penetrates through. One end of each of the said connecting support rods (17) is respectively connected to a set of arc-shaped clamping plates (15), and the other end of each of the said connecting support rods (17) is respectively connected to a set of fixing blocks (18). One side of each of the said cross support rods (19) is connected to the fixing block (18).

8. The welding tooling for the silicon powder filter according to claim 7, characterized in that: One end of each of the said cross support rods (19) is respectively connected to the adjacent four side walls of the limiting cavity (14). One end of each of the said telescopic springs (20) is respectively connected to a set of cross support rods (19), and the other end of each of the said telescopic springs (20) is connected to the inner wall of the limiting cavity (14).

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