CN116999994A - A new type of welding fume collection and filtering equipment - Google Patents

Abstract

The invention discloses a new type of welding smoke collection and filtering equipment, which belongs to the technical field of casting welding equipment. A new type of welding smoke collection and filtering equipment includes a processing box. The interior of the processing box is fixedly connected with a partition plate and passes through The partition plate is divided into an upper filter bin and a lower slag collecting bin. A power mechanism is provided inside the upper filter bin. A filter assembly is provided below the power mechanism. A small welding slag collector is provided at the bottom of the lower slag collecting bin. Dust bucket, the inner wall of one side of the lower slag collecting bin is fixedly connected with a deflector, which can be used in conjunction with the power mechanism, filter components and turbine centrifugal separation blades, so that in the process of absorbing and filtering welding smoke, it can also absorb and filter welding slag, It has a better purification effect on welding waste in closed and semi-closed environments, and has positive significance in protecting the health of welding workers.

Description

A new type of welding fume collection and filtering equipment

Technical field

The present invention relates to the technical field of casting welding equipment, and more specifically, to a new type of welding smoke collection and filtering equipment.

Background technique

After the automotive stamping die castings have completed pouring and solidification and entered the post-processing process, casting defects such as shrinkage cavities and residues are prone to appear on the bottom surface of the castings or other thick structural locations. In severe cases, they need to be welded and repaired. Complex physical and chemical reactions occur during the welding process. In addition to the release of strong light and heat, it is also accompanied by splashing of welding slag, smoke and harmful gases, etc., which causes great damage to the health of workers.

Based on the above, the inventor found that during the welding process of castings, the commonly used welding dust collection products currently on the market generally only focus on the filtration of welding smoke, but often ignore the absorption of fine spattered welding slag and toxic gases. . The effect of use in an open environment may be good, but in a closed or semi-closed environment, the purification effect of welding waste is often not good, which is not good for the health of workers. Therefore, in view of this, the existing structure should be Research and improve to provide a new type of welding smoke collection and filtering equipment in order to achieve a more practical purpose.

Contents of the invention

1. Technical problems to be solved

In view of the problems existing in the prior art, the purpose of the present invention is to provide a new type of welding smoke collection and filtering equipment, which can use the power mechanism, filter components and turbine centrifugal separation blades to absorb and filter the welding smoke in the process. It can also process welding slag, toxic gases, etc., especially for closed and semi-closed environment welding waste, which has a better purification effect, and has positive significance for protecting the health of welding workers.

2.Technical solutions

In order to solve the above problems, the present invention adopts the following technical solutions.

A new type of welding smoke collection and filtering equipment, including a treatment box. The inside of the treatment box is fixedly connected with a partition plate, and is divided into an upper filter bin and a lower slag collecting bin through the partition plate. The upper filter bin is provided inside There is a power mechanism, a filter assembly is provided below the power mechanism, a dust collection bucket for small pieces of welding slag is provided at the bottom of the lower slag collection bin, and a deflector is fixedly connected to the inner wall of one side of the lower slag collection bin. A dust collecting pipe is provided on one side of the treatment box, and the dust collecting pipe is connected with the inside of the lower slag collecting bin.

Further, the power mechanism includes a mounting frame fixed between the inner walls on both sides of the upper filter bin. A variable frequency motor is fixedly mounted on the top of the mounting frame, and a rotating shaft is rotatably connected to the middle part of the mounting frame through a bearing. The output shaft of the variable frequency motor is drivingly connected to the top of the rotating shaft through a coupling, and the rotating blade is fixedly connected to the bottom periphery of the rotating shaft.

Further, a bracket is fixedly connected to the top of the partition plate, and a turbine centrifugal separation blade is rotatably connected to the bottom of the bracket through a bearing. The top of the turbine centrifugal separation blade is fixedly connected to the bottom end of the rotating shaft. The turbine The bottom of the centrifugal separation blade extends below the dividing plate.

Further, the filter assembly includes a mounting plate fixed inside the upper filter chamber. Several mounting holes are provided on the top surface of the mounting plate. A composite fiber filter cartridge is fixedly installed on the inner wall of the mounting hole. The composite fiber filter An activated carbon filter is provided on the top of the cylinder, and a gland is fixedly connected to the top of the activated carbon filter.

Furthermore, the inner walls of both sides of the lower slag collecting bin are fixedly connected with slide rails, and slide grooves are provided on both sides of the welding slag dust collecting bucket at positions corresponding to the slide rails. The slide rails are connected to the corresponding slide rails. The inner wall of the groove is slidingly connected.

Further, the dust collection pipe is made of flexible bellows, and a dust collection hood is fixedly installed at one end of the dust collection pipe.

Furthermore, air outlets are provided on both sides of the top of the treatment box, and a filter grille is fixedly connected to the opening position of the air outlet.

Furthermore, a door is rotatably connected to one side of the treatment box through a hinge, and a handle is fixedly connected to the outside of the door.

Furthermore, universal wheels are fixedly installed at the four corners of the bottom of the processing box, and a push handle is fixedly connected to the other side of the processing box.

3. Beneficial effects

Compared with the existing technology, the advantages of the present invention are:

(1) In this solution, the dust collection pipe enters the inside of the equipment through the strong wind suction of the variable frequency motor and rotating blades, and the heavy welding slag and metal fragments enter the inside of the treatment box with the air flow, and are generated by hitting the deflector. The reaction force falls into the dust collection bucket with small pieces of welding slag at the bottom of the equipment, while the lighter weight welding slag or metal fragments and part of the smoke are driven by the strong rotation of the turbine centrifugal separation blades and are driven around the inner wall of the equipment by centrifugal force. The surface rotates to achieve separation and improve its purification effect.

(2) This solution, with the cooperation of the power mechanism and the turbine centrifugal separation blades, allows the very light smoke dust and toxic gases to rise into the upper filter chamber, and the airflow passes through the composite fiber filter cartridge, and the dust and smoke in the airflow etc. are basically filtered out. At the same time, the toxic gases in the air flow are absorbed by the activated carbon filter. The clean gas filtered through the two layers is driven by the rotating blades and discharged from the air outlet out of the equipment, thereby eliminating welding waste in closed and semi-closed environments. Have better purification effect.

Description of the drawings

Figure 1 is a schematic diagram of the three-dimensional unfolded structure of the present invention;

Figure 2 is a schematic diagram of the overall structure of the present invention;

Figure 3 is a schematic cross-sectional structural diagram of the present invention;

Figure 4 is a schematic diagram of the internal structure of the present invention;

Figure 5 is a schematic diagram of the disassembled structure of the filter assembly of the present invention;

Figure 6 is a schematic view of the position and structure of the small welding slag dust collecting bucket of the present invention.

Description of numbers in the figure:

1. Treatment box; 101. Upper filter bin; 102. Lower slag collecting bin;

2. Partition board; 201. Bracket;

3. Power mechanism; 301. Mounting frame; 302. Variable frequency motor; 303. Rotating shaft; 304. Rotating blades;

4. Filter component; 401. Installation plate; 402. Installation hole; 403. Composite fiber filter cartridge; 404. Activated carbon filter; 405. Gland;

5. Dust collection bucket for small pieces of welding slag;

6. Deflector;

7. Dust collection pipe;

8. Turbine centrifugal separation blades;

9. Slide rail; 901. Chute;

10. Vacuum cover;

11. Air outlet; 111. Filter grille;

12. Box door;

13. Handle;

14. Universal wheel;

15. Push hands.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on The embodiments of the present invention and all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Example:

Please refer to Figure 1-6. A new type of welding fume collection and filtering equipment includes a processing box 1. The interior of the processing box 1 is fixedly connected with a partition plate 2, and is divided into an upper filter chamber 101 and a lower collection chamber through the partition plate 2. Slag bin 102, the upper filter bin 101 is provided with a power mechanism 3 inside, and a filter assembly 4 is provided below the power mechanism 3. A welding slag dust collection bucket 5 for small pieces of welding slag is provided at the bottom of the lower slag bin 102. One side of the lower slag bin 102 A guide plate 6 is fixedly connected to the inner wall, and a dust collecting pipe 7 is provided on one side of the treatment box 1. The dust collecting pipe 7 is internally connected to the lower slag collecting bin 102. When in use, through the operation of the power mechanism 3, during the It can generate huge suction and form a strong airflow, which can effectively absorb the welding slag, metal fragments, generated dust, toxic gases, etc. at the welding point position. At the same time, the function of the deflector 6 is mainly to act on the airflow that has just entered the equipment. A guiding function, while rebounding heavy objects such as welding slag and metal fragments to the small welding slag dust collecting bucket 5 at the bottom of the equipment, realizing rapid collection of welding slag and metal fragments, while using the filter assembly 4 It can further filter dust, smoke and toxic gases in the air flow, greatly improving its purification effect, and has positive significance for protecting the health of welding workers.

Referring to Figures 3 and 4, the power mechanism 3 includes a mounting frame 301 fixed between the inner walls of both sides of the upper filter chamber 101. A variable frequency motor 302 is fixedly mounted on the top of the mounting frame 301. The middle part of the mounting frame 301 is connected to a rotating motor through a bearing. Shaft 303, the output shaft of the variable frequency motor 302 is connected to the top of the rotating shaft 303 through a coupling. The bottom periphery of the rotating shaft 303 is fixedly connected with rotating blades 304. When in use, the rotating shaft can be driven by the setting of the variable frequency motor 302. 303 rotates forward or reversely. When the rotating shaft 303 rotates forward, the rotating blade 304 can rotate and form an upward airflow, and the residual dust and smoke in the airflow can be sucked into the treatment box 1 for filtering processing. The equipment During cleaning and maintenance, after removing the waste in the dust collection bucket 5 of small pieces of welding slag, the rotating shaft 303 can be rotated in the opposite direction, so that the airflow can be reversed toward the filter assembly 4, so that part of the dust on its surface can be removed. To achieve the purpose of improving its service life.

Referring to Figures 3 and 4, a bracket 201 is fixedly connected to the top of the partition plate 2, and a turbine centrifugal separation blade 8 is rotatably connected to the bottom of the bracket 201 through a bearing. The top of the turbine centrifugal separation blade 8 is fixedly connected to the bottom end of the rotating shaft 303. , the bottom of the turbine centrifugal separation blade 8 extends to the bottom of the partition plate 2. When in use, the variable frequency motor 302 is connected to the rotating blade 304 and the turbine centrifugal separation blade 8. The combination of the three generates huge suction during operation, forming The strong air flow, and the use of turbine centrifugal separation blades 8 can separate the fine welding slag, part of the dust, etc. in the air flow, and drop it into the dust collection bucket 5 of small pieces of welding slag.

Referring to Figure 5, the filter assembly 4 includes a mounting plate 401 fixed inside the upper filter chamber 101. A number of mounting holes 402 are provided on the top surface of the mounting plate 401. A composite fiber filter cartridge 403 is fixedly installed on the inner wall of the mounting hole 402. The composite fiber filter The top of the cylinder 403 is provided with an activated carbon filter 404, and the top of the activated carbon filter 404 is fixedly connected with a gland 405. When in use, the composite fiber filter cylinder 403 can be used to filter out the residual dust and smoke in the airflow, and the activated carbon filter is used Piece 404 mainly absorbs toxic gases in the air flow.

Referring to Figure 6, slide rails 9 are fixedly connected to the inner walls of both sides of the lower slag collecting bin 102. Slide grooves 901 are provided on both sides of the welding slag dust collection bucket 5 at positions corresponding to the slide rails 9. The slide rails 9 are connected to the corresponding slide rails 9. The inner wall of the chute 901 is slidingly connected. When in use, through the mutual cooperation of the slide rail 9 and the corresponding chute 901, it can play a guiding role when picking up and placing the dust collecting bucket 5 for small pieces of welding slag, making it convenient for the staff. Pour the welding slag and metal fragments in the welding slag dust collection bucket 5.

Referring to Figure 1 and Figure 2, the dust collection pipe 7 is made of flexible bellows, and one end of the dust collection pipe 7 is fixedly installed with a dust collection hood 10. When in use, the dust collection pipe 7 is made of flexible bellows and can be used in a small area. Freely change the position within the vacuum cover 10 and adjust the relative position of the vacuum cover 10 and the welding point, which is beneficial to the equipment being in the best working condition.

Referring to Figure 1, air outlets 11 are provided on both sides of the top of the treatment box 1, and a filter grille 111 is fixedly connected to the opening of the air outlet 11. When in use, the purified air can be conveniently filtered through the arrangement of the air outlet 11. Discharge to ensure that the inside of the treatment box 1 is at normal pressure.

Referring to Figure 2, one side of the treatment box 1 is connected with a door 12 through a hinge. A handle 13 is fixedly connected to the outside of the door 12. When in use, the door 12 can be provided to facilitate the staff to conduct timely inspection of the inside of the treatment box 1. Clean up.

Referring to Figure 2, universal wheels 14 are fixedly installed at the four corners of the bottom of the processing box 1, and a pusher 15 is fixedly connected to the other side of the processing box 1. When in use, through the settings of the universal wheel 14 and the pusher 15, both The cooperative use between them can move the equipment near the welding point, which has positive significance for improving work efficiency and reducing labor intensity.

When in use: Place the equipment near the welding operation point, and adjust the position of the dust collection hood 10 on the flexible dust collection pipe 7 to directly above the welding point. The dust collection pipe 7 is driven by the strong wind suction of the variable frequency motor 302 and the rotating blade 304. Go inside the device. The heavy welding slag and metal fragments enter the inside of the treatment box 1 with the air flow, and fall into the small welding slag dust collection bucket 5 at the bottom of the equipment due to the reaction force generated by hitting the deflector 6. The lighter welding slag or metal fragments and part of the smoke are driven by the strong rotation of the turbine centrifugal separation blade 8 and are affected by the centrifugal force, rotating around the inner wall surface of the equipment, thereby achieving separation. Very light smoke dust and toxic gases rise from the middle of the turbine centrifugal separation blade 8 with the air flow. The air flow passes through the composite fiber filter cartridge 403. The dust, smoke, etc. in the air flow are basically filtered out, and the toxic gases in the air flow are filtered by activated carbon. The clean gas absorbed by the blades 404 and filtered through the two layers is driven by the rotating blades 304 and discharged out of the equipment through the air outlet 11. Since the activated carbon filter 404 has limited adsorption of toxic gases, especially when welding is performed in a closed or semi-open space, the activated carbon filter 404 should be replaced every one hour of operation. The replaced activated carbon filter 404 can basically restore its adsorption function when placed in a well-ventilated environment with sunlight for about 2 hours.

Finally, it should be noted that in the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation shown in the drawings. or positional relationships are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

In the description of the present invention, it should also be noted that, unless otherwise clearly stated and limited, the terms "set", "installation", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

The above are only preferred specific embodiments of the present invention; however, the protection scope of the present invention is not limited thereto. Any person familiar with the technical field who is familiar with the technical field shall make equivalent substitutions or changes based on the technical solutions and improvement concepts of the present invention within the technical scope disclosed in the present invention, and shall be covered by the protection scope of the present invention.

Claims (9)

1. Novel welding fume collection filtration equipment, including processing case (1), its characterized in that: the inside fixedly connected with division board (2) of processing case (1) to divide into upper portion filter house (101) and lower part album sediment storehouse (102) through division board (2), upper portion filter house (101) inside is provided with power unit (3), the below of power unit (3) is provided with filter component (4), lower part album sediment storehouse (102) bottom is provided with welding slag fritter dust collection bucket (5), lower part album sediment storehouse (102) one side inner wall fixedly connected with guide plate (6), one side of processing case (1) is provided with dust collecting pipe (7), dust collecting pipe (7) are linked together with the inside of lower part album sediment storehouse (102).

2. The novel welding fume collecting and filtering device according to claim 1, wherein: the power mechanism (3) comprises a mounting frame (301) fixed between the inner walls of two sides of the upper filtering bin (101), a variable frequency motor (302) is fixedly arranged at the top of the mounting frame (301), a rotating shaft (303) is rotatably connected to the middle of the mounting frame (301) through a bearing, an output shaft of the variable frequency motor (302) is in transmission connection with the top end of the rotating shaft (303) through a coupler, and a rotating blade (304) is fixedly connected to the periphery of the bottom of the rotating shaft (303).

3. The novel welding fume collecting and filtering device according to claim 1, wherein: the top fixedly connected with support (201) of division board (2), the bottom of support (201) is connected with turbine centrifugal separation blade (8) through the bearing rotation, the bottom fixed connection of top and axis of rotation (303) of turbine centrifugal separation blade (8), the bottom of turbine centrifugal separation blade (8) extends to the below of division board (2).

4. The novel welding fume collecting and filtering device according to claim 1, wherein: the filter assembly (4) comprises a mounting plate (401) fixed in the upper filter bin (101), a plurality of mounting holes (402) are formed in the top surface of the mounting plate (401), a composite fiber filter cartridge (403) is fixedly mounted on the inner wall of each mounting hole (402), an activated carbon filter sheet (404) is arranged at the top of each composite fiber filter cartridge (403), and a gland (405) is fixedly connected to the top of each activated carbon filter sheet (404).

5. The novel welding fume collecting and filtering device according to claim 1, wherein: slide rails (9) are fixedly connected to the inner walls of the two sides of the lower slag collecting bin (102), sliding grooves (901) are formed in the positions, corresponding to the slide rails (9), of the two sides of the welding slag small-block dust collecting barrel (5), and the slide rails (9) are in sliding connection with the inner walls of the corresponding sliding grooves (901).

6. The novel welding fume collecting and filtering device according to claim 1, wherein: the dust collecting pipe (7) is made of flexible corrugated pipe materials, and a dust hood (10) is fixedly arranged at one end of the dust collecting pipe (7).

7. The novel welding fume collecting and filtering device according to claim 1, wherein: air outlets (11) are formed in two sides of the top of the treatment box (1), and a filter grid (111) is fixedly connected to the opening position of the air outlets (11).

8. The novel welding fume collecting and filtering device according to claim 1, wherein: one side of the treatment box (1) is rotatably connected with a box door (12) through a hinge, and the outer side of the box door (12) is fixedly connected with a handle (13).

9. The novel welding fume collecting and filtering device according to claim 1, wherein: universal wheels (14) are fixedly arranged at four corners of the bottom of the treatment box (1), and a pushing handle (15) is fixedly connected to the other side of the treatment box (1).