JPH04134417U - Filter device for mist collector - Google Patents

Abstract

(57) [Summary] [Purpose] To miniaturize the filter used in the mist collector, to exhibit an excellent mist collection effect, and to facilitate maintenance such as disassembly, cleaning, and replacement. Make it. [Structure] A primary filter 10 similarly formed in a cylindrical shape is fitted inside a secondary filter 12 formed in a cylindrical shape, and a mesh net is overlaid on the inside of the upper end of the primary filter 10 to form an inverted conical shape. When the formed rectifier plate 11 is fitted and the lift handle 15 is rotated, the secondary filter 12
The mist storage bucket 3 provided on the lower side rose and came into close contact with the lower end port 12d of the secondary filter 12, and the entire secondary filter 12 was further pushed up to form the suction port 2 at its upper end port 12b. Bring it close to the ceiling surface of the aircraft body 1.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention originated from NC lathes, multi-spindle automatic lathes, or air gun blowing work. Used in the technical field of mist collectors (mist collectors) that collect various types of mist. Specifically, it is a filter installation suitable for use in a mist collector. It's about location.

0002

[Conventional technology]

Physical factors such as cleaning, rust prevention, and air blowing, and thermal factors such as cutting, polishing, and cooling. The oil mist (oil fume) generated from the air is scattered and suspended in the workplace. Doing so not only harms the health of workers, but also impairs work safety and reduces work efficiency. Because of this problem, eliminators, demisters, and filters have been used in the past. By using a mist collector equipped with various filtration devices such as The waste is collected by suctioning it directly from its source.

0003 However, the mist constructed using the eliminator, demister, and filter described above In order to improve the mist collection effect, the collector increases the area of the filter. Therefore, eliminators and demisters also need to be made larger. Therefore, there is a problem that the higher the mist collection effect, the larger the overall size of the aircraft. Ta.

0004 Therefore, we developed a mist collector that can reduce the overall size and exhibit an excellent collection effect. For example, Utility Model Application Publication No. 1-156718 and Utility Model Application Publication No. 2-108713. A device as described in the publication was considered.

[0005]

[Problem that the idea aims to solve]

However, the mist collector described in the above-mentioned Japanese Utility Model Publication No. 1-156718 has two oil mist elements (mist collection filters) inside the case body. These two oil mist elements are installed to enhance the collection effect. The case body that houses the components inevitably becomes large, making it possible to downsize the entire device. There is a problem that there is no problem, and there is also a problem that In the case of a filter collector, a fan motor rotates the filter (porous material) to prevent mistakes. The fan motor is required to rotate the filter. It is necessary to increase the size and increase the capacity, which leads to increased costs. In addition to this, mist adheres to the rotating filter and gradually enlarges. , this enlarged mist is directly discharged to the outside and is scattered again. Rotating fan Maintenance becomes complicated due to the use of filters. It is necessary to increase the volume of the equipment. There is a point. There were various problems such as increased manufacturing costs.

[0006] Therefore, the technical problem of this invention is that the entire device is small and can exhibit an excellent collection effect. The objective is to provide a collector at low cost. Furthermore, another technical problem of the present invention is that it is easy to assemble and disassemble, making maintenance easy. The objective is to provide a mist collector that can do the following.

[0007]

[Means to solve the problem]

The measures taken in the present invention to solve the above technical problems are as follows. The airflow sucked into the aircraft from the suction port by the suction effect caused by the rotation of the fan is filtered out. In a mist collector configured to separate and collect mist by filtering with a filter, , (1) The above filter is attached to a cylindrical secondary filter with a mist storage bucket attached to the bottom. Dual inner and outer structure with a cylindrical primary filter fitted inside the filter. In addition, a mesh net is placed on the inside of the upper end of the primary filter. Inserting a rectifying plate that is twisted together to form an inverted conical shape. (2) Attach the drain pipe to the lower tip of the rectifier plate formed in the shape of an inverted cone. Install it facing the storage bucket. (3) Place the primary filter fitted inside the secondary filter around the cylindrical steel wire frame. A filter cloth made of non-woven fabric is wrapped in a cylindrical shape, and a mesh net is placed around the filter cloth. It has a structure in which it is wrapped around the material and fixed with a stopper, and a handle is attached to the rectifying plate formed in the shape of an inverted cone. is installed, and the current plate is constructed such that it can be freely taken out from the upper end port of the above-mentioned primary filter. thing. (4) Attach packing surrounding the air inlet to the ceiling of the aircraft where the air inlet is drilled, and The mounting flange provided at the upper end of the secondary filter is fitted into this ceiling surface to attach the secondary filter. In addition to providing a bracket that allows the entire filter to be hung up and down, , the mist storage bucket with a gasket attached to the upper edge of the bottom of the above-mentioned machine is moved up and down. The bottom part of this bucket has a lift part that can be attached freely when rotated in one direction. Push up the entire storage bucket and insert the gasket at the upper edge of the bucket into the lower end of the primary filter. The upper end of the primary filter is pushed up, and the upper end of the primary filter is pushed up. The lift hand is configured so that it can come in close contact with the packing installed on the ceiling of the above aircraft. Install the LE.

[0008]

[Effect]

The above means works as follows. The element (1) above is such that the filter is cylindrical and has a dual structure inside and outside, and The filter has a configuration in which a rectifying plate formed in an inverted conical shape is fitted into the upper end of the filter. The entire router has been made extremely compact, making it possible to downsize the mist collector. On the other hand, the air containing the inhaled mist is formed into an inverted cone shape by overlapping mesh nets. By passing through the straightening plate, coarse mist, chips, etc. are prevented from adhering to the mesh net. Approximately 50 to 60% of the mist can be collected, and the collected mist is placed under the rectifying plate. As it flows down to the tip, it gradually grows and becomes oil droplets that flow into the mist reservoir bucket at the bottom. This makes it possible to prevent secondary scattering of mist.

[0009] The element (2) above grows and flows at the tip of the rectifying plate formed in an inverted conical shape. Pass the falling mist through the drain pipe and into the mist storage bucket below. Allows for accurate dropping.

0010 The above element (3) collects mist and replaces the dirty filter cloth of the primary filter. When replacing the filter cloth, simply remove the stopper and remove the outer mesh net. It is easy to clean and replace the mist-contaminated current plate. The current plate can be easily taken out from inside the primary filter by holding the handle. This makes it possible to easily maintain the filter and rectifying plate.

[0011] Element (4) above can be achieved by simply rotating the lift handle in one direction. The bucket can be installed tightly (sealed) to the lower end of the secondary filter. In addition, the upper end of the secondary filter should be placed tightly against the ceiling of the aircraft where the suction port is drilled. Since it can be installed in a sealed state, the suction caused by the rotation of the fan It is possible to collect the solder mist without leaking it to the outside, and the above-mentioned lift By rotating the handle in the other direction and lowering the mist storage bucket, each of the above seals will be removed. This makes it possible to extremely easily attach and detach the secondary filter. As mentioned above, by solving the above-mentioned technical problem by the above-mentioned means, The problems of the conventional techniques can be solved.

0012

【Example】

Preferred embodiments of the mist collector filter device according to the present invention described above will be described below. will be described in detail with reference to the accompanying drawings. Figure 1 is a partially sectional perspective view of a mist collector equipped with a filter device according to the present invention. , FIG. 2 also shows a configuration diagram explaining the usage state of the mist collector, and these diagrams In terms of surface, 1 is the body (box) of the mist collector, 2 is the hole drilled in the upper cover 1a. The suction port 2p (see FIGS. 4 to 6) is located on the top cover 1a so as to surround the suction port 2. Packing installed on the ceiling surface, F is the filter according to the present invention, 3 is the lower end of the filter F 4 is a motor that rotates a suction fan 5, 6 is a mist storage bucket attached to the 7 is an exhaust port, and 7 is a push button switch. When the button switch 7 is turned on to operate the motor 4, the fan 5 rotates and the filter F The suction effect is exerted through The mist MS is passed through the duct hose DH along with the airflow into the filter F from the suction port 2. The mist is separated and collected here and stored in the mist storage bucket 3. The accumulated mist can be removed through the oil drain hose 9 by opening the valve 8. It is configured so that it can be collected into an external receiver H.

[0013] The filter device according to the present invention is used in a mist collector configured as described above. The detailed configuration will be explained below along with the description in FIG. 3 and subsequent figures. In FIG. 3, the reference numeral 10 indicates a primary filter formed in a cylindrical shape. Therefore, this primary filter 10 is made of PP nonwoven fabric around the cylindrical iron wire frame 10b. A filter cloth 10a is wrapped in a cylindrical shape, and a PP mesh net is further wrapped around the filter cloth 10a. It has a structure in which a piece 10c is wrapped around it and fastened with a fastener 10d such as a hook. If you remove the stopper 10d and remove the mesh net 10c, you can replace the filter cloth 10a, etc. It is structured so that it can be done easily.

[0014] In addition, 11 is made by overlapping multiple pieces of PP mesh net to form the whole into an inverted conical shape. This current plate 11 is a rectifying plate 11 of the upper end port 10n of the primary filter 10 described above. It is configured so that it can be inserted freely into the inside. 11a is the lower pointed end of this current plate 11; T is a handle used when attaching and detaching the rectifier plate 11.

[0015] Next, the reference numeral 12 indicates a structure in which the above-mentioned primary filter 10 can be inserted freely. This secondary filter 12 has a cylindrical shape as well. It is a molded filter in which a filter paper 12a having a star-shaped cross section is fitted around a steel wire frame 12t. Mounting flanges 12c, 12c are protruding from both left and right sides of the upper end opening 12b. Furthermore, a lower end opening 12d for tight sealing is formed at the lower end.

[0016] Furthermore, in FIG. 3, 1b and 1b are the inner surfaces (ceiling This is a bracket for hanging the secondary filter 12 that is installed at intervals on the left and right sides of the Therefore, the secondary filter 12 into which the primary filter 10 is fitted is installed on the left and right sides as shown in FIG. Insert and support the attached flanges 12c, 12c between the left and right brackets 1b, 1b. By doing so, it is suspended from the ceiling surface of the upper cover 1a so that it can be moved up and down. There is.

[0017] In addition, in Figures 1 and 3, 13 has the above-mentioned mist storage bucket 3 attached to the top surface. This platform 13 is attached to a fixed frame 14 attached to the bottom plate 1c of the fuselage 1. The fixed frame 14 is mounted so that it can be moved up and down freely, and the lifting platform 13 is mounted on the fixed frame 14 so that it can be moved up and down freely. A lift handle 15 that moves up and down together with the storage bucket 3 is rotatably attached. I'm being kicked.

[0018] The above lift handle 15 is provided with a push-up portion 15a as shown in FIG. When the lift handle 15 is tilted sideways and rotated from the upright position, the lift The part 15a pushes up the lifting table 13 together with the mist storage bucket 3, and the mist storage bucket As shown in Fig. 5, the part of the packing 3p attached to the upper edge opening 3a of Push up the secondary filter 12 by pressing it against the lower end opening 12d of the filter 12. Press the upper end opening 12b of 2 against the packing 2p attached to the ceiling surface of the upper cover 1a. , configured to seal both upper and lower end ports of the secondary filter 12 with packings 2p and 3p. has been done.

[0019] In addition, in FIG. 6, 16 is a drain attached to the lower pointed end 11a of the rectifier plate 11. The water is collected by the current plate 11 and gradually grows as it flows down. The mist travels through the drain pipe 16 from the pointed end 11a to the lower mist. It is designed to fall accurately into the storage bucket 3. Furthermore, in Figures 3 to 7 3b is a mist discharge port provided in the mist storage bucket 3, and the above-mentioned A drain oil hose 9 is connected thereto.

[0020] The mist collector filter device according to the present invention has the configuration as described above. When installing the mist collector, first replace the primary filter 10 with the secondary filter. 12, and then the left and right flanges 12c, 12 of this secondary filter 12. c of the left and right brackets 1b, 1b attached to the ceiling surface of the upper cover 1a as shown in Figure 4. The entire secondary filter 12 is suspended vertically with an interval L between the two. , Finally, if you turn the lift handle 15 in the upright direction, the lift part 15 will open as shown in FIG. a pushes up the mist storage bucket 3 and presses the gasket 3p attached to the upper end opening 3a. Press the portion against the bottom lower end opening 12d of the secondary filter 12, and then press the The entire packing 2p is pushed up and its upper end opening 12b is attached to the ceiling surface of the upper cover 1a. Since the upper end opening 12b of the secondary filter 12 can be pressed against the packing 2p It can be hung on the ceiling inside aircraft 1 while sealed with 2. The mist reservoir is sealed with the packing 3p on the lower end opening 12d of the next filter 12. holder 3 can be installed, therefore, in this state, turn on the push button switch 7. By operating the motor 4 and rotating the fan 5, the mist MS is removed from its source Ta. The air is sucked into the fuselage 1 through the duct hose DH and the suction port 2, and then filtered through the filter F. In other words, the mist MS can be separated and collected.

[0021] To explain the filtration situation by filter F in more detail, the air is sucked in from suction port 2. The airflow containing the mist MS first contacts the rectifier plate 11, where it is separated from the coarse mist. The chips adhere to the mesh net, and 50 to 60% of the entire mist is collected.

[0022] The mist collected by the mesh net of the current plate 11 in this way flows to the lower part. As it falls, it gradually grows and enlarges to form an oil droplet, which drops directly from the tip 11a. The mist is collected in the lower mist storage bucket 3 through the contact or drain pipe 16. The oil is collected through the drain hose 9 into an external receiver H.

[0023] In addition, the mist MS not collected by the above-mentioned rectifier plate 11 is The filter 10 and the secondary filter 12 outside the filter are sequentially separated. , and eventually most of it turns into oil droplets and circulates into the mist storage bucket 3. will be collected.

[0024] If the above mist collection work progresses and the filter F becomes dirty, the fan 5 should be rotated. After stopping, turn the lift handle 15 sideways as shown in Figure 3 to remove the mist reservoir bucket. The cut 3 is lowered and the entire secondary filter 12 is in the state shown in FIG. 4, that is, the seal is removed. Since the secondary filter 12 can be lowered to the removed state, the left and right secondary filters 12 can be Remove it from between the brackets 1b and 1b, pull out the internal primary filter 10, and further, The current plate 11 can also be removed by holding the handle 11T to clean or replace it. Also, when replacing the filter cloth 10a of the primary filter 10, replace the membrane wrapped around it. By removing the fasteners 10d from the filter cloth 10c, it is very easy to install a new filter cloth 10. It is possible to exchange it with a.

[0025]

[Effect of the idea]

As described above, according to the mist collector filter device according to the present invention, the filter device according to the present invention has a filter device. The primary filter, which is also made in a cylindrical shape, is inside the secondary filter, which is made in a cylindrical shape. It has a dual structure inside and outside by inserting the filter into the filter, and has a mesh inside the upper end of the primary filter. Because it has a configuration in which a rectifying plate formed by overlapping nets and forming an inverted cone is inserted, Despite its excellent mist collection effect, the overall structure is compact and the mist collector is It has the advantage of being easy to incorporate into the mist collector and making the mist collector itself smaller. It is possible to demonstrate the advantages of making use of valuable space within the factory. In addition, the upper and lower parts of the secondary filter are completely sealed, so there is no need to worry about mist being dispersed again. In addition, both the inner and outer filters and the rectifier plate are easy to remove and disassemble, making cleaning and replacement easy. This can be done simply, and the mist that becomes oil droplets can be removed by using a drain pipe. This combined with the fact that it can be dropped into the bucket accurately without scattering it to the surrounding area. Therefore, it is suitable for use in collecting various types of mist.

[Brief explanation of drawings]

FIG. 1 is a partially cutaway perspective view illustrating the configuration of a mist collector equipped with a filter device according to the present invention.

FIG. 2 is a configuration diagram illustrating the usage state of a mist collector equipped with a filter device according to the present invention.

FIG. 3 is an exploded perspective view of the filter device according to the present invention.

FIG. 4 is a front sectional view of the present invention showing the secondary filter suspended without raising the mist storage bucket.

FIG. 5 is a front sectional view showing the present invention in use.

FIG. 6 is a front sectional view showing a state in which the present invention is in use, also using a drain pipe.

FIG. 7 is a partial front view of the present invention showing a state in which the mist storage bucket is pushed up by rotating the lift handle.

[Explanation of symbols]

1 Aircraft 1a Top lid 1b Bracket 2 Suction port 2p packing 3 Mist storage bucket 3p packing 4 motor 5 fans 10 Primary filter 10a Filter cloth 10c mesh net 10d Stopper 11 Current plate 11a Handle 12 Secondary filter 12b Upper end opening 12c flange 12d Lower end opening 15 Lift handle 15a Lift part MS Mist

Claims (4)

[Scope of utility model registration request] Claim 1: In a mist collector configured to separate and collect mist by filtering the airflow sucked into the machine body from the suction port by the suction action caused by the rotation of the fan, the above-mentioned filter is installed at the bottom of the mist collector. The cylindrical secondary filter has a mist storage bucket attached to it, and the primary filter, also formed in a cylindrical shape, is fitted inside the cylindrical secondary filter, forming an inner/outer dual structure. A filter device for a mist collector characterized by having a rectifying plate fitted therein which has an inverted conical shape by overlapping nets. 2. The filter device for a mist collector according to claim 1, wherein a drain pipe is attached to the lower pointed end of the rectifying plate formed in an inverted conical shape, facing toward the lower mist storage bucket. 3. The primary filter fitted inside the secondary filter is wrapped around a cylindrical iron wire frame with a filter cloth made of non-woven fabric, and a mesh net is further wrapped around the filter cloth. It has a structure in which the filter is wound around the filter and fastened with a stopper, and a handle is attached to a rectifying plate formed in an inverted conical shape, so that the rectifying plate can be freely taken out from the upper end opening of the primary filter. A filter device for a mist collector according to claim 1. Claim 4: A packing that surrounds the suction port is attached to the ceiling surface of the machine body in which the suction port is drilled, and a mounting flange provided at the upper end of the secondary filter is fitted into the ceiling surface, so that the secondary filter can be mounted. In addition to providing a bracket that allows the entire body to be hung up and down, a mist collection bucket with a gasket attached to the upper edge opening is attached to the bottom of the machine so that it can be moved up and down. When rotated, the lift part pushes up the entire mist storage bucket, brings the packing at the upper edge of the bucket into close contact with the lower end of the primary filter, and then pushes up the entire primary filter to bring the upper end of the primary filter into close contact with the upper end of the primary filter. 2. The filter device for a mist collector according to claim 1, further comprising a lift handle configured to be able to come into close contact with a packing attached to the ceiling surface of the machine body.