Submerged-arc welding slag screening device

By introducing dustproof components and air pump blowing technology into the submerged arc welding slag screening device, the dust treatment problem has been solved, achieving efficient screening and resource recovery, and improving the efficiency of welding slag screening and environmental protection.

CN223847461UActive Publication Date: 2026-01-30NANJING HAOWEI MACHINERY
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520249996.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-01-30
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Existing submerged arc welding slag screening devices cannot effectively handle the metal dust generated during the screening process, resulting in a reduced resource recycling rate and impacting the environment and human health.

Method used

A submerged arc welding slag screening device was designed, which adopts dust prevention components including a servo motor, telescopic rod, lifting frame, air pump and filter screen. The air pump extracts and collects the dust, and the air output from the air pump blows the screen cylinder to achieve multi-stage screening, avoiding dust overflow and blockage.

Benefits of technology

It improves screening efficiency, reduces dust pollution, enhances resource recycling rate, simplifies the cleaning process, and improves the screening effect of welding slag.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223847461U_ABST
    Figure CN223847461U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of submerged-arc welding slag screening, and discloses a submerged-arc welding slag screening device which comprises a base, a protective cover is connected to the surface of the base in an inserted mode, a vibration motor is fixedly connected to the top of the base, the output end of the vibration motor is fixedly connected with a supporting plate, and a screen drum is attached to the top of the supporting plate. A screen plate is inserted into the inner wall of the screen drum, screen holes are formed in the bottom of the screen drum, hanging lugs are fixedly connected to the outer wall of the screen drum, a positioning frame is fixedly connected to the top of the supporting plate, positioning bolts are in threaded connection with the inner wall of the positioning frame, positioning holes are formed in the outer walls of the hanging lugs, and inserting holes are formed in the top of the screen drum. And insertion rods are inserted into the inner walls of the insertion holes. According to the submerged-arc welding explosion screening device, the inserting holes, the inserting rods, the hanging lugs and other structures are arranged, multi-stage screening is achieved, meanwhile, metal dust generated in screening is prevented from overflowing all around or being attached to the protective cover, and the submerged-arc welding explosion screening effect is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of submerged arc welding slag screening, especially to a submerged arc welding slag screening device. BACKGROUND

[0002] The submerged arc welding slag needs to be screened because through screening, the un-melted flux can be separated from the welding slag, the un-melted flux is recycled for reuse, the resource waste is reduced, the purchase amount of new flux is reduced by recycling the flux, thereby the production cost is reduced, through screening, the impurities and powder in the welding slag can be removed, the purity of the flux is improved, thereby the slag inclusion defects in the welding process are reduced.

[0003] Through the retrieval, the patent of China announcement number: CN221453392U discloses a kind of submerged arc welding slag screening device, by filtering the impurities contained in the process of submerged arc welding slag recycling, i.e. by using fan to remove rust in submerged arc welding slag, thereby reducing the rust content in the recycling of submerged arc welding slag, reducing the influence of the quality of the workpiece to be welded when using the recycling of submerged arc welding slag, improving the welding quality of the workpiece to be welded.

[0004] In the above technical scheme, the rust in the welding slag is removed by using the fan to ensure the welding quality, but a certain amount of metal dust is generated during the screening of the welding slag, and the dust cannot be treated, which will cause it to scatter, which is not conducive to the environment and human health, and reduces the resource recycling rate, therefore a kind of submerged arc welding slag screening device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a kind of submerged arc welding slag screening device, to improve the problem that the submerged arc welding slag screening device in prior art cannot treat the metal dust generated during the screening of the welding slag, thereby reducing the resource recycling rate.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of submerged arc welding slag screening device, including base, the surface of the base is inserted with protective cover, the top of the base is fixedly connected with vibration motor, the output end of the vibration motor is fixedly connected with support plate, the top of the support plate is attached with sieve cylinder, the inner wall of the sieve cylinder is inserted with sieve plate, the bottom of the sieve cylinder is provided with sieve hole, the outer wall of the sieve cylinder is fixedly connected with lug, the top of the support plate is fixedly connected with positioning frame, the inner wall of the positioning frame is threadedly connected with positioning bolt, the outer wall of the lug is provided with positioning hole, the top of the sieve cylinder is provided with insertion hole, the inner wall of the insertion hole is inserted with insertion rod, the surface of the protective cover is provided with dustproof assembly.

[0007] As a further description of the above technical scheme:

[0008] The outer wall of the hanging lug is matched with the inner surface of the positioning frame, and the outer wall of the positioning bolt is matched with the inner wall of the positioning hole.

[0009] As a further description of the above technical solution:

[0010] The dustproof assembly comprises a servo motor, an output end of the servo motor is fixedly connected with an extension rod through a rotating shaft, an output end of the extension rod is fixedly connected with a lifting frame, a bottom of the lifting frame is fixedly connected with a hose, an inner wall of the lifting frame is fixedly connected with the hose, a top of the protective cover is fixedly connected with an air pump, an input end of the air pump is threadedly connected with an elastic pipe, an output end of the air pump is threadedly connected with a transmission pipe, a bottom end of the transmission pipe is rotatably connected with a threaded pipe, a bottom of the transmission pipe is provided with a collecting box, a top of the collecting box is fixedly connected with a fixed pipe, an inner wall of the fixed pipe is fixedly connected with a bifurcated pipe, and an inner wall of the bifurcated pipe is fixedly connected with a filter screen.

[0011] As a further description of the above technical solution:

[0012] The bottom of the servo motor is fixedly connected with the top of the protective cover, and the inside of the lifting frame is hollow.

[0013] As a further description of the above technical solution:

[0014] The elastic pipe is sleeved on the outer wall of the extension rod.

[0015] As a further description of the above technical solution:

[0016] The transmission pipe is arranged to be telescopic at a local region.

[0017] As a further description of the above technical solution:

[0018] The inner wall of the threaded pipe is provided with a threaded groove, and an external thread is threadedly connected with the inner wall of the threaded groove.

[0019] As a further description of the above technical solution:

[0020] The external thread is arranged on the outer wall of the elastic pipe close to the air pump.

[0021] The utility model has the advantages of the following:

[0022] 1、The utility model discloses a dustproof assembly is arranged on the protective cover, and the dustproof assembly is used for sucking the dust generated in the screening.

[0023] 2. The utility model discloses, through the cooperation of external thread and thread groove, can combine transmission pipe and elastic pipe, utilize the air of air pump output to the air -blown of the sieve cylinder of step -by -step stacking, make the welding slag in the clogged sieve hole be blown to the sieve cylinder of next level, avoid the airing after washing sieve cylinder one by one, shorten the waiting time between screening operation, improve the efficiency of screening operation. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a main body structure external schematic diagram of submerged arc welding slag screening device that the utility model proposes;

[0025] Figure 2 It is a main body structure partial section elevation schematic diagram of submerged arc welding slag screening device that the utility model proposes;

[0026] Figure 3 It is a main body structure partial section plan schematic diagram of submerged arc welding slag screening device that the utility model proposes;

[0027] Figure 4 It is the explosion plan schematic diagram of the protective cover internal structure of submerged arc welding slag screening device that the utility model proposes;

[0028] Figure 5 It is the explosion elevation schematic diagram of the protective cover internal structure of submerged arc welding slag screening device that the utility model proposes.

[0029] Legend:

[0030] 1, base, 2, protective cover, 3, vibration motor, 4, support plate, 5, sieve plate, 6, sieve cylinder, 7, sieve hole, 8, lug, 9, positioning frame, 10, positioning bolt, 11, positioning hole, 12, jack, 13, insertion rod, 14, servo motor, 15, telescopic rod, 16, lifting frame, 17, hose, 18, air pump, 19, elastic pipe, 20, transmission pipe, 21, threaded pipe, 22, fixed pipe, 23, bifurcated pipe, 24, filter screen, 25, collection box, 26, thread groove, 27, external thread. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0032] REFERENCE Figures 1-3The utility model provides an embodiment: a submerged -arc welding slag screening device, including base 1, the upper surface of base 1 is provided with annular groove, it is convenient for the insertion between protective cover 2 and base 1, the surface of base 1 is inserted with protective cover 2, the top of protective cover 2 is set with feed pipe, is provided with sealing cover on feed pipe, feed pipe is convenient with the external conveying equipment and links to each other and passes on the welding slag, the top fixed connection of base 1 has vibration motor 3, the output of vibration motor 3 is fixedly connected with support plate 4, and the top of support plate 4 is attached with sieve cylinder 6, and sieve cylinder 6 is provided with three groups, and the bottom of the sieve cylinder 6 in the bottom layer is not provided with sieve hole 7, and the sieve plate 5 in the bottom layer sieve cylinder 6 is connected with the sieve hole 7 in the bottom of the two groups of sieve cylinder 6 in the top, and the aperture size is gradually decreased from top to bottom, and the inner wall of sieve cylinder 6 is inserted with sieve plate 5, and the bottom of sieve cylinder 6 is set with sieve hole 7, and the outer wall of sieve cylinder 6 is fixedly connected with lug 8, and lug 8 is provided with two groups, and the two groups of lug 8 are located on the left and right sides of the bottom layer sieve cylinder 6, and the top of support plate 4 is fixedly connected with positioning frame 9, and the inner wall of positioning frame 9 is threadedly connected with locating bolt 10, and the outer wall of lug 8 is set with locating hole 11, and the top of sieve cylinder 6 is set with insertion hole 12, and the inner wall of insertion hole 12 is inserted with insertion rod 13, and insertion rod 13 is provided with several groups, and is distributed at the bottom of the two groups of sieve cylinder 6 in the upper layer at equal intervals, and insertion rod 13 is inserted into the next layer and the top insertion hole 12 of sieve cylinder 6 can be connected between sieve cylinder 6, and the surface of protective cover 2 is provided with dustproof assembly.

[0033] Referring to Figures 3-5, the outer wall of the lug 8 is matched with the inner surface of the positioning frame 9, the outer wall of the positioning bolt 10 is matched with the inner wall of the positioning hole 11, the dustproof assembly comprises a servo motor 14, the bottom of the servo motor 14 is fixedly connected with the top of the protective cover 2, the servo motor 14 can drive the lifting frame 16 to reciprocatingly rotate left and right, so that the area of the air suction or air injection of the hose 17 is enlarged, the output end of the servo motor 14 is fixedly connected with the telescopic rod 15, the telescopic rod 15 is an electric telescopic rod 15, and the telescopic rod 15 can drive the lifting frame 16 to move up and down when started, the output end of the telescopic rod 15 is fixedly connected with the lifting frame 16, the lifting frame 16 is hollow, the bottom of the lifting frame 16 is fixedly connected with the hose 17, the bottom end of the hose 17 can be in contact with the top of the uppermost screen cylinder 6 under the driving of the telescopic rod 15, and the softness of the hose 17 prevents the vibration force from being transmitted to the lifting frame 16, the inner wall of the lifting frame 16 is fixedly connected with the hose 17, the top of the protective cover 2 is fixedly connected with the air pump 18, the input end of the air pump 18 is threadedly connected with the elastic tube 19, the elastic tube 19 is sleeved on the outer wall of the telescopic rod 15, the output end of the air pump 18 is threadedly connected with the transmission pipe 20, the transmission pipe 20 is telescopic at the local area, the bottom end of the transmission pipe 20 is rotatably connected with the threaded pipe 21, the bottom of the transmission pipe 20 is provided with the collecting box 25, the top of the collecting box 25 is fixedly connected with the fixed pipe 22, the inner wall of the fixed pipe 22 is fixedly connected with the bifurcated pipe 23, the bifurcated pipe 23 is obliquely arranged on the fixed pipe 22, and the cooperation of the gravity and the power of the air pump 18 enables the slag to naturally fall into the fixed pipe 22 from the bifurcated pipe 23, the inner wall of the bifurcated pipe 23 is fixedly connected with the filter screen 24, the slag on the surface of the filter screen 24 is sprayed out of the bifurcated pipe 23, but the air can be discharged from the bifurcated pipe 23.

[0034] With reference to Figures 2-3 The inner wall of the threaded pipe 21 is provided with a threaded groove 26, the inner wall of the threaded groove 26 is threadedly connected with an external thread 27, the external thread 27 is arranged on the outer wall of the elastic tube 19 close to the air pump 18, the cooperation of the external thread 27 and the threaded groove 26 can connect the elastic tube 19 and the transmission pipe 20, and the outer wall of the elastic tube 19 and the inner wall of the protective cover 2 can be slidably connected, so that the elastic tube 19 can be pulled out of or inserted into the protective cover 2.

[0035] Working principle: the welding slag is transmitted to the top layer of the screen cylinder 6 through the feeding pipe, the vibration motor 3 drives multiple sets of screen cylinders 6 to vibrate, and the welding slag is screened, and dust will appear during screening, the air pump 18 is started to suck the flying dust through the hose 17, the dust is transmitted to the transmission pipe 20 through the hose 17, when passing through the fixed pipe 22, the air is discharged through the bifurcated pipe 23, and the dust is blocked by the filter screen 24, so that the dust is transmitted to the collecting box 25 inside by the power of the air pump 18, after a period of screening, the screen cylinder 6 is forced upward from top to bottom, the plug rod 13 is separated from the plug hole 12, the positioning bolt 10 is reversed to separate from the positioning hole 11, and the bottommost screen cylinder 6 is taken off from the support plate 4, so that the multi-stage screening screen cylinder 6 is taken out to collect welding slag of different sizes, and the above steps are reversed, the elastic pipe 19 and the threaded pipe 21 are manually rotated respectively, so that they are separated from the air pump 18 and the fixed pipe 22 in turn, the threaded groove 26 and the external thread 27 are aligned and positively rotated, after the elastic pipe 19 is screwed into the threaded pipe 21, the air pump 18 is started, the flow rate of the air pump 18 is adjusted to the maximum value, and the air force blows the topmost screen cylinder 6 through the hose 17, because the screen hole 7 and the aperture of the screen plate 5 are horizontally arranged, the air force can blow the welding slag in the screen hole 7 and the screen plate 5 of the two sets of screen cylinders 6, and the blown welding slag naturally falls into the next level of screen cylinder 6, avoiding the need to clean and dry each screen cylinder 6, and improving the efficiency of the welding slag screening operation.

[0036] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A submerged arc welding slag screening device comprising a base (1), the surface of which is inserted with a protective cover (2), characterized in that: The top of the base (1) is fixedly connected with a vibration motor (3), the output end of the vibration motor (3) is fixedly connected with a support plate (4), the top of the support plate (4) is attached with a sieve cylinder (6), the inner wall of the sieve cylinder (6) is inserted with a sieve plate (5), the bottom of the sieve cylinder (6) is provided with a sieve hole (7), the outer wall of the sieve cylinder (6) is fixedly connected with a lug (8), the top of the support plate (4) is fixedly connected with a positioning frame (9), the inner wall of the positioning frame (9) is threadedly connected with a positioning bolt (10), the outer wall of the lug (8) is provided with a positioning hole (11), the top of the sieve cylinder (6) is provided with a jack (12), the inner wall of the jack (12) is inserted with a plug rod (13), and the surface of the protective cover (2) is provided with a dustproof assembly.

2. A submerged arc welding slag screening device according to claim 1, characterized in that: The outer wall of the lug (8) is matched with the inner surface of the positioning frame (9), and the outer wall of the positioning bolt (10) is matched with the inner wall of the positioning hole (11).

3. A submerged arc welding slag screening device as claimed in claim 1, wherein: The dustproof assembly comprises a servo motor (14), the output end of the servo motor (14) is fixedly connected with a telescopic rod (15) through a rotating shaft, the output end of the telescopic rod (15) is fixedly connected with a lifting frame (16), the bottom of the lifting frame (16) is fixedly connected with a hose (17), the inner wall of the lifting frame (16) is fixedly connected with a hose (17), the top of the protective cover (2) is fixedly connected with an air pump (18), the input end of the air pump (18) is threadedly connected with an elastic tube (19), the output end of the air pump (18) is threadedly connected with a transmission pipe (20), the bottom end of the transmission pipe (20) is rotatably connected with a threaded pipe (21), the bottom of the transmission pipe (20) is provided with a collecting box (25), the top of the collecting box (25) is fixedly connected with a fixed pipe (22), the inner wall of the fixed pipe (22) is fixedly connected with a bifurcated pipe (23), and the inner wall of the bifurcated pipe (23) is fixedly connected with a filter screen (24).

4. A submerged arc welding slag screening device according to claim 3, characterised in that: The bottom of the servo motor (14) is fixedly connected with the top of the protective cover (2), and the inside of the lifting frame (16) is hollow.

5. A submerged arc welding slag screening device according to claim 3, characterized in that: The elastic tube (19) is sleeved on the outer wall of the telescopic rod (15).

6. A submerged arc welding slag screening device according to claim 3, characterized in that: The transmission pipe (20) is arranged in a telescopic manner.

7. A submerged arc welding slag screening device as claimed in claim 3, wherein: The inner wall of the threaded pipe (21) is provided with a threaded groove (26), and the inner wall of the threaded groove (26) is threadedly connected with an external thread (27).

8. A submerged arc welding slag screening device according to claim 7, characterized in that: The external thread (27) is arranged on the outer wall of the elastic tube (19) close to the air pump (18).

Citation Information

Patent Citations

  • Submerged-arc welding slag screening device

    CN221453392U