CN216171056U

CN216171056U - Air suction assembly of oil mist recovery device

Info

Publication number: CN216171056U
Application number: CN202122682116.6U
Authority: CN
Inventors: 王默清
Original assignee: Keris Jiangmen Intelligent Manufacturing Co ltd
Current assignee: Keris Jiangmen Intelligent Manufacturing Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-05
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses an air suction assembly of an oil mist recovery device.A housing is sleeved on the periphery of a fan, and a buffer cavity is formed between the housing and the fan; an air outlet of the fan is communicated with the buffer cavity; the rear side surface of the housing is closed, the front side surface of the housing is provided with an air outlet channel, and the air outlet channel is communicated with the buffer cavity. The housing is arranged outside the fan, so that on one hand, the housing provides a protection effect for the fan, the fan is prevented from being exposed under the air outlet, oil, water or dust is prevented from entering the fan, internal elements of the fan are protected, and the service life of the fan is prolonged; on the other hand forms the cushion chamber in the fan periphery, and the air current that the fan came out gets into the cushion chamber earlier, flows into back air cavity from the air-out passageway after buffer intracavity evenly distributed again, more is favorable to improving the distribution uniformity of air current, can also reduce the resistance that the air current flows, makes the air current flow more smooth and easy.

Description

Air suction assembly of oil mist recovery device

Technical Field

The utility model relates to the technical field of air oil mist purification and recovery, in particular to an air suction assembly of an oil mist recovery device.

Background

During machining operation, various cutting oil or cooling liquid is often used for lubricating a cutter and reducing the machining temperature of a workpiece, a large amount of oil mist, dust, oil smoke and haze can be generated in the working environment, and the harm to the body of field operators is caused. The oil mist recoverer is mainly used for collecting oil mist, water mist or dust and the like generated in machining, removing harmful substances in the oil mist recoverer, recovering and utilizing substances with recycling value such as metal cutting oil and the like through interception and filtration, and finally discharging clean gas.

The existing oil mist recoverer usually sucks air horizontally and gives out air horizontally, namely, the air is sucked from the front side surface through a suction fan and is discharged from the rear side surface after being filtered and purified, the uniformity of air guiding is poor, the utilization efficiency of air is low, and the filtering efficiency is low.

The utility model 201520323010.9 discloses an oil mist recovery machine, which comprises an air inlet, a first air chamber, a second air chamber and an air guide opening arranged above the second air chamber, wherein the air inlet, the first air chamber and the second air chamber are sequentially communicated from front to back; the air is guided into the first air chamber from the front side surface through the rotation of the turbine guide fan, enters the second air chamber after being filtered by the first filtering unit, is pumped into the second filtering unit from the air guide port on the top surface, and is discharged from the top after being filtered by the second filtering unit.

The oil mist recovery machine improves the uniformity of air guiding in a horizontal air suction and vertical air outlet mode, but the structure has the following defects:

(1) the oil mist recovery machine air guide port is positioned at the top of the second air chamber and is directly communicated with the second air chamber, after being sucked from the first air chamber, the air is directly upwards pushed and lifted into the second filtering unit, the flow path of the air in the second air chamber is short, the retention time is short, the air guide in the second air chamber is not uniform enough, and the utilization of the wind is not sufficient enough;

(2) the turbine diversion fan is directly exposed under the second filtering unit, and oil, water, dust and the like filtered by the second filtering unit easily enter the turbine diversion fan to corrode or abrade internal elements of the turbine diversion fan, so that the service life of the turbine diversion fan is influenced.

SUMMERY OF THE UTILITY MODEL

The applicant provides an air suction assembly of the oil mist recovery device with a reasonable structure aiming at the defects of the existing oil mist recoverer, so that the utilization rate of air is improved, and the filtering efficiency is improved; the housing is adopted to protect the fan and prolong the service life of the fan.

The technical scheme adopted by the utility model is as follows:

an air suction assembly of an oil mist recovery device is characterized in that a housing is sleeved on the periphery of a fan, and a buffer cavity is formed between the housing and the fan;

the fan is provided with a rotary drum, a plurality of fan blades are uniformly arranged on the periphery of the rotary drum along the circumferential direction, a front baffle and a rear baffle are arranged on two sides of each fan blade, each front baffle is provided with an air inlet, an air outlet is formed among the adjacent fan blades, the front baffles and the rear baffles, and the air outlets are communicated with the buffer cavity;

the rear side surface of the housing is closed, the front side surface of the housing is provided with an air outlet channel, and the air outlet channel is communicated with the buffer cavity.

As a further improvement of the above technical solution:

the front side of the air inlet is provided with an air guide ring, the air guide ring is provided with an air guide part and a connecting part, and the air guide part extends into the air inlet.

The front baffle and the air guide part of the air guide ring are both inwards concave arc-shaped plates, and the arc of the air guide part and the arc of the front baffle are oppositely arranged to form a U-shaped flow guide surface.

An opening is arranged at the lower side of the housing and is communicated with the buffer cavity.

The housing has a cylindrical outer cover plate.

The outer cover plate is formed by bending a strip-shaped lath into a ring, and two opposite edges of the lower side of the outer cover plate are not connected to form an opening; the edge of one side of the outer cover plate is outwards turned along the radial direction to form an outward turned edge, and the outward turned edge slants downwards in an inclined mode.

The front side edge of the outer cover plate is provided with a front cover plate, the rear side edge of the outer cover plate is provided with a rear connecting plate, the rear connecting plate is fixedly connected with a connecting plate component, and the connecting plate component is covered on the rear side surface of the housing.

The inner side of the front cover plate is provided with an inner ring which extends into the housing; the front cover plate and the inner ring are sleeved on the periphery of the front baffle of the fan and the air guide part of the air guide ring, and intervals are arranged between the front cover plate and the inner ring and between the front baffle and the air guide ring to form an air outlet channel.

The outer peripheral surface of the outer cover plate is provided with a handle.

The rotary drum of the fan is a closed hollow drum; a tailgate extends inwardly to the bowl.

The utility model has the following beneficial effects:

the housing is arranged outside the fan, so that on one hand, the housing provides a protection effect for the fan, the fan is prevented from being exposed under the air outlet, oil, water or dust is prevented from entering the fan, internal elements of the fan are protected, and the service life of the fan is prolonged; on the other hand forms the cushion chamber in the fan periphery, the air current that the fan came out gets into the cushion chamber earlier, flow into back air cavity from the air-out passageway after buffer chamber evenly distributed again, more be favorable to improving the distribution homogeneity of air current, can also reduce the resistance that the air current flows, it is more smooth and easy to make the air current flow, and the air current can form the whirl in the cushion chamber, the air current is at rotatory in-process, fluid in the air current, water liquid or dust etc. also can be got rid of the interior face and realize filtering under the effect of centrifugal force on the housing, the cushion chamber can carry out the third to filtering to all air currents that the fan inhales promptly, when improving the utilization efficiency of wind, more improved filtration efficiency.

The air guide part of the air guide ring extends into the air inlet of the front baffle of the fan, so that the air flow guided in by the air guide ring is ensured to completely flow into the fan, and the utilization efficiency of the air is improved; the arc of the air guide part and the arc of the front baffle are oppositely arranged to form a U-shaped air guide surface, so that the air guide part has the air guide function on air flow, the air flow resistance is reduced, and the air flow is smoother.

The front cover plate and the inner ring of the housing are respectively provided with a space between the front baffle plate and the air guide ring to form an air outlet channel, the air flow in the buffer cavity flows into the rear air cavity through the air outlet channel, and the inner ring can better guide the air flow outwards while increasing the strength of the front cover plate, reduce the air flow resistance and ensure that the air flow flows more smoothly. The lower side of the outer cover plate is provided with an opening which can discharge oil, water liquid or dust and the like filtered out from the housing downwards into a rear liquid collecting area, so that filtered residual liquid is prevented from being deposited in the housing; the outer flanging of the outer cover plate inclines downwards in an inclined way, so that the downward flowing of the filtered residual liquid is facilitated. The handle of the outer cover plate is used for extracting the cover shell, so that the cover shell can be conveniently disassembled and assembled.

Drawings

Fig. 1 is a perspective view of an oil mist recovery device according to the present invention.

Fig. 2 is a sectional view of the oil mist recovery device, and arrows show the flow direction of the air flow.

Fig. 3 is a perspective view of the fan.

Fig. 4 is a perspective view of the wind guide ring.

Fig. 5 is a perspective view of the cover.

Fig. 6 is a cross-sectional view of the cover.

Fig. 7 is an enlarged view of a portion a in fig. 6.

In the figure: 1. a housing; 11. an air inlet pipe; 12. an air outlet; 13. a base plate; 131. a high flat plate portion; 132. a lower flat plate portion; 1321. a first oil outlet hole; 1322. a second oil outlet hole; 133. a vertical plate portion; 14. a first separator; 15. a second separator; 16. a baffle; 17. a heat dissipation plate; 2. a fan; 21. a rotating drum; 22. a fan blade; 23. a front baffle; 24. a tailgate; 25. an air inlet; 26. an air outlet; 3. a wind guide ring; 31. a wind guide part; 32. a connecting portion; 4. a housing; 41. an outer cover plate; 411. flanging; 42. a front cover plate; 43. a rear connecting plate; 44. an inner ring; 45. an opening; 46. a handle; 5. a first filter element; 6. a second filter element; 7. a third filter element; 8. a micro-pressure meter;

9. a chassis; 91. a frame body; 92. placing a box; 93. a first oil storage bottle; 94. a second oil storage bottle; 95. a cover plate; 96. a front door; 97. a rear door; 98. a roller;

10. a front air cavity; 101. a front liquid collection area; 20. a rear air cavity; 201. a post-catchment zone; 30. an accommodating chamber; 40. a buffer chamber.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 and 2, the recovery device according to the present invention is provided on the top surface of the bottom frame 9.

As shown in fig. 1 and 2, an air inlet pipe 11 is provided on the front side surface of a casing 1 of the recovery device, and an air outlet 12 is provided on the top surface of the casing 1. As shown in fig. 2, a first filter element 5 is vertically arranged in the air inlet pipe 11 along a radial direction, and the first filter element 5 is a metal screen and can perform a first filtering process on the sucked air flow.

As shown in fig. 2, a first partition plate 14 and a second partition plate 15 are arranged in the casing 1 at intervals from front to back, the first partition plate 14 and the second partition plate 15 divide the inner cavity of the casing 1 into a front air cavity 10, a back air cavity 20 and an accommodating cavity 30, the front air cavity 10 is communicated with the air inlet pipe 11, and the back air cavity 20 is communicated with the air outlet 12. The first partition 14 is a vertical plate, the top edge of which is fixed to the top plate of the housing 1 and the bottom edge of which is fixed to the bottom plate 13 of the housing 1. The second partition 15 is an L-shaped plate, the top edge of which is fixed to the top plate of the housing, and the horizontal outer side edge of which is fixed to the rear side plate of the casing 1, so as to partition the accommodating chamber 30 at the rear upper side of the rear air chamber 20, so that the rear air chamber 20 forms an L-shaped chamber. The rear side plate of the housing 1 is fixedly provided with a heat dissipation plate 17 at a position corresponding to the accommodating cavity 30, and the heat dissipation plate 17 can dissipate heat in the accommodating cavity 30 to avoid burning out elements installed in the accommodating cavity 30 due to overhigh temperature. The bottom plate 13 of the casing 1 is a step plate with a step, and comprises a high flat plate part 131, a low flat plate part 132 and a vertical plate part 133 connected with the high flat plate and the low flat plate, a low-lying area is formed between the vertical plate part 133 and the left side plate of the casing 1 at the lower part of the inner cavity of the casing 1, and the low-lying area becomes a liquid collecting area for collecting filtered residual liquid; the bottom edge of the first partition 14 extends downward to the lower plate portion 132 to divide the liquid collecting region into a front liquid collecting region 101 and a rear liquid collecting region 201, and the front liquid collecting region 101 and the rear liquid collecting region 201 are respectively located at the bottoms of the front air cavity 10 and the rear air cavity 20. The lower plate portion 132 is provided with a first oil outlet 1321 and a second oil outlet 1322 corresponding to the front liquid collecting area 101 and the rear liquid collecting area 201, and the first oil outlet 1321 and the second oil outlet 1322 are respectively used for discharging the filtered residual liquid of the front liquid collecting area 101 and the filtered residual liquid of the rear liquid collecting area 201. The vertical plate part 133 is connected with the low flat plate part 132 through an arc plate part, a guide plate 16 is arranged at the connection part of the low flat plate part 132 and the left side plate of the shell 1, and the guide plate 16 is an arc plate; the arc plates at the two edges of the low flat plate part 132 have a flow guiding effect on the filtered residual liquid, so that the filtered residual liquid can be guided to the oil outlet, and the residual liquid is prevented from being deposited in the shell 1.

As shown in fig. 2, a second filter element 6 is vertically arranged in the front air cavity 10, and the second filter element 6 is made of aluminum type aluminum material and can perform a second filtering on the air flow. The second filter element 6 is disposed at the rear end of the high flat plate portion 131, and the residual liquid filtered by the second filter element can directly flow downward along the vertical plate portion 133, so as to prevent the residual liquid from depositing on the high flat plate portion 131.

As shown in fig. 2, a fan 2 is disposed in the rear air cavity 20 and right below the air outlet 12, the fan 2 is connected to a motor via a driving shaft, and the motor is disposed in the accommodating cavity 30 (the motor and the connection manner with the fan 2 are not shown in the figure). An air suction opening is formed in the first partition plate 14 and faces the fan 2, an air guide ring 3 is inserted into the air suction opening, and the fan 2 sucks external air through the air guide ring 3. As shown in fig. 2 and 3, the blower 2 has a rotary drum 21, the rotary drum 21 is a closed hollow cylinder, a plurality of fan blades 22 are uniformly arranged on the periphery of the rotary drum 21 along the circumferential direction, a front baffle 23 and a rear baffle 24 are respectively fixed on the front and rear sides of the fan blades 22, the front baffle 23 is an inward-concave arc-shaped plate, an air inlet 25 is arranged in the center of the front baffle 23, the rear baffle 24 is a vertical flat plate and extends inwards to connect to the rotary drum 21, and an air outlet 26 is formed between adjacent fan blades 22 and the front and

rear baffles

23, 24. As shown in fig. 4, the air guiding ring 3 has an air guiding portion 31 and a connecting portion 32, the air guiding portion 31 is an inward concave arc-shaped plate, as shown in fig. 3, the rear end portion of the air guiding portion 31 extends into the air inlet 25 of the front baffle 23 of the fan 2, so that it is ensured that all the air flow guided by the air guiding ring 3 flows into the fan 2, which is beneficial to improving the utilization efficiency of the wind; the arc of the air guiding part 31 is opposite to the arc of the front baffle 23 to form a U-shaped air guiding surface, which guides the air flow, reduces the air flow resistance and makes the air flow smoother. The connecting portion 32 of the air guide ring 3 is fixed to the first partition 14 by a fastener.

As shown in fig. 2, a housing 4 is sleeved on the periphery of the fan 2, a buffer cavity 40 is formed between the housing 4 and the fan 2, the housing 4 is fixed on the second partition 15 through a connecting plate assembly, an air outlet channel is formed between the housing 4 and the fan 2, and the buffer cavity 40 is communicated with the rear air cavity 20 through the air outlet channel; the housing 4 is arranged outside the fan 2, on one hand, the housing 4 provides a protection effect for the fan 2, the fan 2 is prevented from being exposed under the air outlet 12, oil, water or dust is prevented from entering the fan 2, internal elements of the fan 2 are protected, and the service life of the fan 2 is prolonged; on the other hand forms cushion chamber 40 in fan 2 periphery, the air current that fan 2 came out gets into cushion chamber 40 earlier, flow into back air cavity 20 from the air-out passageway after evenly distributed in cushion chamber 40 again, more be favorable to improving the distribution uniformity of air current, can also reduce the resistance that the air current flows, it is more smooth and easy to make the air current flow, and the air current can form the whirl in cushion chamber 40, the air current is at rotatory in-process, fluid in the air current, water liquid or dust etc. also can be got rid of under the effect of centrifugal force and realize filtering on 4 internal faces of housing, cushion chamber 40 can carry out the third to filtering to all air currents that fan 2 inhales promptly, when improving the utilization efficiency of wind, the filtration efficiency has more been improved.

As shown in fig. 5, the housing 4 has a cylindrical housing plate 41, a front cover plate 42 is attached to a front side of the housing plate 41, a rear connecting plate 43 is attached to a rear side of the housing plate 41, and the rear connecting plate 43 of the housing 4 is fixedly connected to the connecting plate assembly, and is fixed to the second partition 15 by the connecting plate assembly, which is covered on a rear side of the housing 4. The front cover plate 42 is a circular ring flat plate, the outer edge of the front cover plate is connected with the outer cover plate 41, the inner edge of the front cover plate is provided with an inner ring 44, and the inner ring 44 is perpendicular to the front cover plate 42 and extends into the housing 4 along the axial direction; as shown in fig. 3, the front cover plate 42 and the inner ring 44 of the housing 4 are sleeved on the peripheries of the front baffle 23 of the fan 2 and the air guiding portion 31 of the air guiding ring 3, and the front cover plate 42 and the inner ring 44 are spaced from the front baffle 23 and the air guiding ring 3 to form an air outlet channel, through which the air flow in the buffer cavity 40 flows into the rear air cavity 20, and the inner ring 44 can better guide the air flow outwards while increasing the strength of the front cover plate 42, thereby reducing the air flow resistance and making the air flow smoother. As shown in fig. 5 to 7, the outer cover plate 41 is formed by bending a strip-shaped lath into a circle, after the strip-shaped lath is bent into a circle, two opposite edges of the strip-shaped lath are positioned at the lower side, the two opposite edges are not connected, the edge of one side is turned outwards along the radial direction to form a flanging 411, and two edges form openings 45, that is, an opening 45 is formed at the lower side of the housing 4, the opening 45 is communicated with the buffer cavity 40, the opening 45 can discharge oil, water, dust or the like filtered out from the housing 4 downwards into the rear liquid collecting area 201, so as to prevent the filtered residual liquid from depositing in the housing 4; the outward turned edge 411 of the outer cover plate 41 slants downwards in an inclined way, so that the downward flowing of the filtered residual liquid is facilitated. As shown in fig. 5 and 6, the outer peripheral surface of the outer cover plate 41 is further provided with a handle 46 for taking out the cover 4, thereby facilitating the detachment of the cover 4.

As shown in fig. 2, a third filter element 7 is disposed at the top of the rear air chamber 20 below the air outlet 12 for filtering the discharged air flow, and the third filter element 7 is filter cotton for completely isolating the oil mist in the rear air chamber 20. As shown in fig. 1, a micro-pressure gauge 8 is arranged on the left side surface of the housing 1, near the third filter element 7, and at the top of the rear air cavity 20, the micro-pressure gauge 8 is used for detecting the pressure at the top of the rear air cavity 20, and the wind resistance in the rear air cavity 20 is monitored through pressure detection, when the pressure value of the micro-pressure gauge 8 exceeds the rated value, it is indicated that the wind resistance in the rear air cavity 20 is too large, and it is indicated that the density of the third filter element 7 reaches the limit value after the third filter element 7 absorbs oil mist, and the third filter element 7 needs to be replaced in time.

As shown in fig. 2, a placing box 92 is arranged in a frame body 91 of the chassis 9, a first oil storage bottle 93 and a second oil storage bottle 94 are arranged in the placing box 92, the first oil storage bottle 93 is communicated with a front liquid collecting area 101 through a pipeline, the second oil storage bottle 94 is communicated with a rear liquid collecting area 201 through a pipeline, and the front liquid collecting area 101 and the rear liquid collecting area 201 are respectively recovered and stored in the first oil storage bottle 93 and the second oil storage bottle 94. The cover plate 95 covers the left side and the right side of the frame body 91, the observation window is arranged on the cover plate 95, and the oil quantity recovered by the first oil storage bottle 93 and the second oil storage bottle 94 can be observed in real time through the observation window. The preceding, the back both sides face of support body 91 are provided with qianmen 96, back door 97 respectively, fill with the recovered oil after first oil storage bottle 93 and second oil storage bottle 94, can open qianmen 96 or back door 97 and change the oil storage bottle, and chassis 9 front and back both sides all are provided with the door, make things convenient for the operator to operate from arbitrary one side, are convenient for more oil storage bottle, clearance place inside case 92 or support body 91. Four corners of the bottom of the frame body 91 are also provided with rollers 98, so that the device can be conveniently moved and placed at a designated position.

When the air conditioner is in actual use, the motor drives the fan 2 to rotate, external air is sucked from the air inlet pipe 11, enters the front air cavity 10 after being subjected to first filtering by the first filtering element 5, enters the fan 2 from the air guide ring 3 after being filtered by the second filtering element 6 in the front air cavity 10, enters the buffer cavity 40 from the air outlet 26 of the fan 2, enters the rear air cavity 20 from the air outlet channel after being uniformly distributed in the buffer cavity 40 and subjected to third filtering, then flows through the third filtering element 7, is subjected to last filtering, and is discharged outside from the air outlet 12; the residual liquid filtered from the front air cavity 10 and the rear air cavity 20 respectively flows to the oil storage bottle through pipelines to be recovered.

The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, as the utility model may be modified in any manner without departing from the spirit thereof.

Claims

1. The utility model provides an oil mist recovery unit's subassembly that induced drafts which characterized in that: a housing (4) is sleeved on the periphery of the fan (2), and a buffer cavity (40) is formed between the housing (4) and the fan (2);

the fan (2) is provided with a rotary drum (21), a plurality of fan blades (22) are uniformly arranged on the periphery of the rotary drum (21) along the circumferential direction, a front baffle (23) and a rear baffle (24) are arranged on two sides of each fan blade (22), each front baffle (23) is provided with an air inlet (25), an air outlet (26) is formed among the adjacent fan blades (22), the front baffles (23) and the rear baffles (24), and the air outlets (26) are communicated with the buffer cavity (40);

the rear side surface of the housing (4) is closed, the front side surface is provided with an air outlet channel, and the air outlet channel is communicated with the buffer cavity (40).

2. The suction assembly for an oil mist recovery device according to claim 1, wherein: the front side of the air inlet (25) is provided with an air guide ring (3), the air guide ring (3) is provided with an air guide part (31) and a connecting part (32), and the air guide part (31) extends into the air inlet (25).

3. The suction assembly for an oil mist recovery device according to claim 1, wherein: the front baffle (23) and the air guide part (31) of the air guide ring (3) are both concave arc plates, and the arc of the air guide part (31) is opposite to the arc of the front baffle (23) to form a U-shaped flow guide surface.

4. The suction assembly for an oil mist recovery device according to claim 1, wherein: an opening (45) is formed in the lower side of the housing (4), and the opening (45) is communicated with the buffer cavity (40).

5. The suction assembly for an oil mist recovery device according to claim 1, wherein: the housing (4) has a cylindrical outer cover plate (41).

6. The suction assembly for an oil mist recovery device according to claim 5, wherein: the outer cover plate (41) is formed by bending a strip-shaped lath into a loop, and two opposite edges of the lower side of the outer cover plate are not connected to form an opening (45); the edge of one side of the outer cover plate (41) is outwards turned along the radial direction to form a flanging (411), and the flanging (411) inclines downwards in an inclined mode.

7. The suction assembly for an oil mist recovery device according to claim 5, wherein: the front side edge of the outer cover plate (41) is provided with a front cover plate (42), the rear side edge of the outer cover plate (41) is provided with a rear connecting plate (43), the rear connecting plate (43) is fixedly connected with a connecting plate component, and the connecting plate component is covered on the rear side surface of the housing (4).

8. The suction assembly for an oil mist recovery device according to claim 7, wherein: an inner ring (44) is arranged on the inner side of the front cover plate (42), and the inner ring (44) extends into the housing (4); the front cover plate (42) and the inner ring (44) are sleeved on the peripheries of the front baffle (23) of the fan (2) and the air guide part (31) of the air guide ring (3), and gaps are formed between the front cover plate (42) and the inner ring (44) and between the front baffle (23) and the air guide ring (3) to form an air outlet channel.

9. The suction assembly for an oil mist recovery device according to claim 5, wherein: a handle (46) is provided on the outer peripheral surface of the outer cover plate (41).

10. The suction assembly for an oil mist recovery device according to claim 1, wherein: the rotary drum (21) of the fan (2) is a closed hollow drum; a tailgate (24) extends inwardly to connect to the bowl (21).