Circulating type welding fume purification device

Abstract

The utility model discloses a circulating type welding fume purification device, relates to the technical field of fume purification, and aims to solve the technical problems that a purification device pipeline and a purification mechanism are easily damaged by current welding sparks and the service life of equipment is influenced. The rear end of the smoke suction hood is connected with a dust suction pipe of the box body through a pipe joint, an exhaust port is formed in the upper end face of the box body, the inner hood is rotationally installed in the smoke suction hood through a bearing, a middle cylinder is arranged in the middle of the interior of the inner hood, and bias flow pieces are distributed on the outer side of the middle cylinder in an annular array mode; the outer ends of the bias flow pieces are fixed to the inner wall of the inner cover, a front end opening is formed in the front end of the middle barrel, a centrifugal air barrel is fixed to the bottom end of the interior of the front end opening, and an end cover is arranged at an opening of the front end opening. The device has the advantages that the device is prevented from being damaged due to high-temperature burning by carrying out airflow impact and centrifugal striking on sparks guided into smoke dust and extinguishing the sparks.

Description

TECHNICAL FIELD

[0001] The utility model relates to fume purification technical field, more specifically, relate to a kind of recyclable welding fume purification device. BACKGROUND

[0002] The welding fume purification device is a device for treating the smoke generated during welding. It can effectively collect and filter welding fume, and recycle or reasonably discharge the purified air through a circulation system to reduce pollution to indoor and outdoor environments.

[0003] In the production workshop of the automobile frame, welding devices are used to weld the connecting parts of the frame. During the welding process, a large amount of smoke is generated, so welding fume purification devices are needed. The high-temperature sparks generated during welding may directly impact the air suction cover, causing damage to the pipeline and internal purification mechanism. Existing devices generally use a simple structure of isolation net to eliminate sparks, but the isolation net has gaps, and sparks can easily pass through the gaps to cause damage to the equipment. In view of this, we propose a recyclable welding fume purification device. SUMMARY

[0004] The utility model aims to overcome the shortcomings of the prior art, meet the needs of reality, and provide a recyclable welding fume purification device to solve the technical problem that welding sparks can easily damage the pipeline and purification mechanism of the purification device, affecting the service life of the equipment.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a recyclable welding fume purification device, comprising a smoke suction cover and an inner cover, the rear end of the smoke suction cover is connected to the dust suction pipe of the box body through a pipe joint, the upper end surface of the box body is provided with an exhaust port, the inner cover is rotatably installed inside the smoke suction cover through a bearing, a middle cylinder is provided in the middle of the inner cover, a plurality of flow deflectors are arranged in a ring array on the outer side of the middle cylinder, the outer ends of the flow deflectors are fixed to the inner wall of the inner cover, a front port is formed in the front end of the middle cylinder, a centrifugal air cylinder is fixed to the inner bottom end of the front port, and an end cover is provided at the opening of the front port.

[0006] The utility model discloses when using, the device starts in the process through the smoke cover and carries out smoke dust absorption, and welding spark will be mixed in the smoke dust in the process of dust absorption and is guided to the smoke cover, and the airflow is guided through the deflector of the inner cover, forms the rotation of windmill structure, makes the rotation of the inner cover complete through the bearing, and the guiding speed of the airflow of the rotating eddy current is accelerated, and the spark mixed in the airflow is impacted the lateral wall of deflector under the inertia effect, when the airflow reaches the tail of the inner cover, forms the notch through the pipe joint and the butt joint of rear end port, and the spark in the airflow is impacted the tail of the inner cover under the inertia secondary impact, and the spark is extinguished through the double impact, avoids the spark accompanying the smoke airflow and is guided into the pipeline and the purification mechanism, causes the equipment damage, ensures the reliability of the continuous operation of the device, and the service life of the device is improved, when the airflow is guided and is completed rotation through the deflector, the centrifugal fan drum in the front end port rotates synchronously, and the external airflow is guided into through the protective net of end cap, and the airflow is guided into the centrifugal fan drum through the drainage pipe, then the airflow guided into is dispersed to the outside through the blade outside the centrifugal fan drum, and the airflow is guided into the passageway between the deflector through the impingement port, and the spark in the smoke dust guided directly into the passageway of deflector is directly blown through the airflow of discharge, and the spark is impacted the inner wall of the inner cover through inertia, and further completes the spark extinguishing operation, and the safety of the operation of the device is ensured.

[0007] Preferably, the inner cover is matched with the smoke cover, the front end of the pipe joint is connected with the inner cover through the rear end opening of the smoke cover, a flange is arranged on the outside of the pipe joint, and the flange is fixedly installed at the rear end of the smoke cover.

[0008] Preferably, a rear end port is arranged at the rear end of the middle cylinder, and the rear end port is designed in a concave structure.

[0009] Preferably, the deflector is designed in a fan-shaped inclined structure, and the inner cover and the deflector are made of stainless steel.

[0010] Preferably, a drainage pipe is arranged at the middle of the end cap, the rear end of the drainage pipe is connected with the inner side of the centrifugal fan drum, and a protective net is arranged at the opening of the drainage pipe.

[0011] Preferably, a jetting port is arranged at the middle of the outer side of the middle cylinder in an annular array, and the jetting port corresponds to the air outlet part outside the centrifugal fan drum.

[0012] Preferably, the jetting port is arranged in the passageway between the two defectors.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1. The utility model discloses a smoke suction cover, the device is started in the process through the smoke suction cover and carries out smoke dust absorption, and the welding spark is mixed in the smoke dust in the dust absorption process and is guided to the smoke suction cover, the airflow is guided through the deflector of inner cover, forms the rotation of windmill structure, makes the guiding speed of airflow of rotating eddy current, and the spark mixed in the airflow is impacted the lateral wall of deflector under the inertia effect, when the airflow reaches the tail of inner cover, forms the recess through the pipe joint and the butt joint of rear port, and the spark in the airflow is impacted the tail of inner cover secondly under the inertia, and the spark is extinguished through double impact, avoids the spark accompanying the smoke airflow to guide into the pipeline and the purification mechanism, causes the equipment damage, ensures the reliability of device continuous operation, improves the service life of device simultaneously.

[0015] 2. The utility model discloses still through the design centrifugal wind tube, when the airflow is guided through the deflector of inner cover and completes rotation, the centrifugal wind tube in the front port rotates simultaneously, makes the external airflow guide into through the protective net of end cap, makes the airflow guide into through the drainage pipe, then makes the airflow that guides into disperses to the outside through the outer blade of centrifugal wind tube, the airflow is guided into the passage between deflector through the blow -off port, and the spark in the smoke dust that directly guides into the deflector passage is directly blown through the airflow of discharge, and the spark is impacted the inner wall of inner cover through inertia, further completes spark extinguishing operation, ensures the security of device operation. DRAWINGS

[0016] Figure 1 It is the front structure schematic diagram of the utility model;

[0017] Figure 2 It is the smoke suction cover structure schematic diagram of the utility model;

[0018] Figure 3 It is the section structure schematic diagram of the utility model;

[0019] Figure 4 It is the inner cover structure schematic diagram of the utility model;

[0020] Figure 5 It is the connection structure schematic diagram of the utility model.

[0021] Mark explanation in drawing: 1, box body; 101, exhaust port; 2, pipe joint; 3, smoke suction cover; 301, bearing; 4, end cap; 401, protective net; 402, drainage pipe; 5, inner cover; 501, deflector; 502, middle cylinder; 503, blow -off port; 504, front port; 505, centrifugal wind tube; 506, rear port. PREFERRED EMBODIMENT

[0022] As Figures 1 to 4The utility model relates to a kind of recyclable welding fume purification devices, including smoke hood 3 and inner cover 5, the rear end of smoke hood 3 is connected with the dust extraction pipe of box 1 by pipe joint 2, the upper end surface of box 1 is equipped with exhaust port 101, inner cover 5 is rotatably installed in the inside of smoke hood 3 by bearing 301, the middle place in inner cover 5 is equipped with middle cylinder 502, the outer side annular array distribution of middle cylinder 502 has flow deflector 501, and the outer end of flow deflector 501 is fixed on the inner wall of inner cover 5, flow deflector 501 is designed in fan leaf type inclination, and inner cover 5 and flow deflector 501 are all made of stainless steel material, and stainless steel material ensures high temperature resistance, the front end of pipe joint 2 is connected with inner cover 5 by the rear end opening of smoke hood 3, pipe joint 2 outer side is equipped with flange, and flange is fixedly installed in the rear end of smoke hood 3, the rear end of middle cylinder 502 is equipped with rear end port 506, and rear end port 506 is designed in concave structure, the front end of pipe joint 2 is docked rear end port 506, pipe joint 2 and rear end port 506 leave docking gap to form airflow channel, air current is rapidly rotated after passing through the channel, and air current spark is impacted by inertia, the device is started in the process by smoke hood 3 and carries out smoke absorption, welding spark is mixed in smoke in the process of dust extraction and is guided to smoke hood 3, airflow is guided by flow deflector 501 of inner cover 5, form the rotation of windmill structure, so that inner cover 5 is completed rotation by bearing 301, the guiding speed of rotational vortex flow is accelerated, and the spark mixed in air current is impacted by inertia and the side wall of flow deflector 501, when air current reaches the tail of inner cover 5, form notch by the docking place of pipe joint 2 and rear end port 506, so that air current spark inertia is impacted twice and the tail of inner cover 5, spark is extinguished by double impact, avoid that spark is accompanied by smoke airflow and is guided into pipeline and purification mechanism, leading to equipment damage, ensure the reliability of the continuous operation of device, improve the service life of device simultaneously.

[0023] As Figures 2 to 5As shown, the utility model relates to a kind of recyclable welding fume purification device, including smoke hood 3 and inner cover 5, inner cover 5 is adapted to smoke hood 3, the front end of middle cylinder 502 is provided with front end port 504, and the inside bottom end of front end port 504 is fixed with centrifugal air cylinder 505, the opening of front end port 504 is equipped with end cap 4, end cap 4 is installed in the middle with flow guide pipe 402, and the rear end of flow guide pipe 402 is connected to the inside of centrifugal air cylinder 505, the opening of flow guide pipe 402 is equipped with protective screen 401, the outside middle of middle cylinder 502 is annularly arranged with knock stream port 503, and knock stream port 503 corresponds with the air outlet part outside centrifugal air cylinder 505, knock stream port 503 is distributed in the passage between the two flow deflectors 501 corresponding to form, when inner cover 5 is guided airflow by flow deflector 501 to complete rotation, centrifugal air cylinder 505 in front end port 504 rotates synchronously, so that external airflow is introduced by the protective screen 401 of end cap 4, airflow is introduced into centrifugal air cylinder 505 by flow guide pipe 402, then the introduced airflow is dispersed to outside by the blade outside centrifugal air cylinder 505, airflow is introduced into the passage between flow deflector 501 by knock stream port 503, and the spark in the smoke directly introduced in the passage of flow deflector 501 is directly blown by the exhaust airflow, and the spark is impacted on the inner wall of inner cover 5 by inertia, further complete spark extinguishing operation, ensure the safety of device operation.

[0024] Working principle: the embodiment provides a kind of recyclable welding fume purification device, when using, the smoke absorption of the device is carried out by smoke hood 3 during starting process, welding spark is mixed in smoke and is guided to smoke hood 3 during dust absorption process, airflow is guided by flow deflector 501 of inner cover 5, forms the rotation of windmill structure, so that inner cover 5 is completed rotation by bearing 301, the guide speed of rotational vortex airflow is accelerated, and the spark mixed in airflow is impacted on the side wall of flow deflector 501 by inertia, when airflow reaches the tail of inner cover 5, forms notch by the butt joint of pipe joint 2 and rear end port 506, so that the spark in airflow is impacted on the tail of inner cover 5 by inertia second time, when inner cover 5 is guided airflow by flow deflector 501 to complete rotation, centrifugal air cylinder 505 in front end port 504 rotates synchronously, so that external airflow is introduced by the protective screen 401 of end cap 4, airflow is introduced into centrifugal air cylinder 505 by flow guide pipe 402, then the introduced airflow is dispersed to outside by the blade outside centrifugal air cylinder 505, airflow is introduced into the passage between flow deflector 501 by knock stream port 503, and the spark in the smoke directly introduced in the passage of flow deflector 501 is directly blown by the exhaust airflow.

[0025] The embodiment of the utility model discloses the preferable embodiment, but is not limited to this, the ordinary skill of the art, the spirit of the utility model is easily understood according to the above-mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.

Claims

1. A recyclable welding fume purification device comprising a smoke suction cover (3) and an inner cover (5), characterized in that: The rear end of the smoke cover (3) is connected with the dust suction pipe of the box body (1) through the pipe joint (2), the upper end surface of the box body (1) is provided with an exhaust port (101), the inner cover (5) is rotatably installed in the inner part of the smoke cover (3) through a bearing (301), the middle part of the inner cover (5) is provided with a middle cylinder (502), the outer side of the middle cylinder (502) is arranged with a plurality of flow deflectors (501) in an annular array, the outer ends of the flow deflectors (501) are fixed on the inner wall of the inner cover (5), the front end of the middle cylinder (502) is provided with a front port (504), the inner bottom end of the front port (504) is fixed with a centrifugal air cylinder (505), and the opening of the front port (504) is provided with an end cover (4).

2. A recyclable welding-fume purifying device according to claim 1, characterized in that: The inner cover (5) is matched with the smoke cover (3), the front end of the pipe joint (2) is connected with the inner cover (5) through the opening of the rear end of the smoke cover (3), the outer side of the pipe joint (2) is provided with a flange plate, and the flange plate is fixedly installed on the rear end of the smoke cover (3).

3. A recyclable welding-fume purifying device according to claim 2, characterized in that: The rear end of the middle cylinder (502) is provided with a rear port (506), and the rear port (506) is designed in a concave structure.

4. A recyclable welding-fume purifying device according to claim 3, characterized in that: The flow deflector (501) is designed in a fan-shaped inclined shape, and the inner cover (5) and the flow deflector (501) are both made of stainless steel.

5. The recyclable welding-fume purification device according to claim 1, wherein: The middle part of the end cover (4) is provided with a drainage pipe (402), the rear end of the drainage pipe (402) is connected with the inner side of the centrifugal air cylinder (505), and the opening of the drainage pipe (402) is provided with a protective net (401).

6. A recyclable welding-fume purification device according to claim 5, characterized in that: The outer side of the middle cylinder (502) is provided with a plurality of knock ports (503) in an annular array, and the knock ports (503) correspond to the outer side air outlet parts of the centrifugal air cylinder (505).

7. A recyclable welding-fume purification device according to claim 6, characterized in that: The knock ports (503) are correspondingly arranged in the channels formed between two adjacent flow deflectors (501).

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