CN214763995U

CN214763995U - Ultra-low temperature compressed air system

Info

Publication number: CN214763995U
Application number: CN202120471994.0U
Authority: CN
Inventors: 姚舜; 章小勇
Original assignee: Zhejiang Shuntian Mechanical Equipment Co ltd
Current assignee: Zhejiang Shuntian Mechanical Equipment Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-11-19
Anticipated expiration: 2031-03-04

Abstract

The utility model discloses an ultra-low temperature compressed air system, including filtering component, filtering component includes the casing, keep apart unit and first filter unit, first filter unit includes sleeve and support, the support is fixed on shells inner wall, the sleeve is fixed in the middle of the support, support and sleeve outer wall are enclosed and are drawn together and form a plurality of holding chambeies, be provided with first filter core in the holding chamber, keep apart the state of ventilating in unit control holding chamber, first opening has been seted up on the shells outer wall, first opening part is provided with first filter core door, the holding chamber is provided with the second opening in first filter core door department, first filter core is dismantled and is adorned on first filter core door, draw first filter core door and pass in and out the casing in order to control first filter core. After the first filter element door is pulled out from the first opening, the first filter element door can be driven to leave the shell through the second opening and the first opening, and therefore replacement of the first filter element on the first filter element door is completed outside the shell.

Description

Ultra-low temperature compressed air system

[ technical field ] A method for producing a semiconductor device

The utility model relates to an ultra-low temperature compressed air system belongs to the filtration field.

[ background of the invention ]

Blow molds need to be cooled after production using a low temperature purge of compressed air. The air needs to be first filtered before being compressed to effectively remove impurities from the air. The traditional filter element for filtering air is positioned inside the shell, the whole shell needs to be disassembled to replace the filter element, and the filter element is replaced very frequently, so that great workload is caused.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and provide an ultra-low temperature compressed air system who reduces filter core replacement work load.

Solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides an ultra-low temperature compressed air system, including filtering component, filtering component includes the casing, keep apart unit and first filtering unit, first filtering unit includes sleeve and support, the support is fixed on shells inner wall, the sleeve is fixed in the middle of the support, support and sleeve outer wall enclose and close up and form a plurality of holding chambeies, be provided with first filter core in the holding chamber, keep apart the state of ventilating in unit control holding chamber, first opening has been seted up on the shells outer wall, first opening part is provided with first filter core door, the holding chamber is provided with the second opening in first filter core door department, first filter core is torn open and is adorned on first filter core door, draw first filter core door in order to control first filter core business turn over casing.

The utility model has the advantages that:

after the first filter element door is pulled out from the first opening, the first filter element door can be driven to leave the shell through the second opening and the first opening, and therefore replacement of the first filter element on the first filter element door is completed outside the shell. Then the first filter element door is installed back to the first opening, and a new first filter element can be installed back to the corresponding accommodating cavity. In the process of replacing the filter element, the isolation unit blocks the corresponding accommodating cavity to prevent air in the shell from entering the accommodating cavity, and the first filter elements in other accommodating cavities can still filter the air in the shell to avoid halt in the process of replacing the first filter elements.

The filtering component of the utility model comprises a rotating unit which controls an isolation unit to rotate, the isolation unit comprises a first motor base which is fixedly connected with the rotating unit and a first motor which is arranged on the first motor base, the screw rod of vertical setting and the first extension board of vertical setting in first motor cabinet bottom, the upper end and the first motor fixed connection of screw rod, screw rod and first extension board all pass the sleeve, on the screw rod, the screw thread on the lower part is turned to opposite, screw rod upper portion is provided with first nut, the screw rod lower part is provided with the second nut, first nut and second nut all slide along vertical direction and set up on first extension board, be equipped with first division board on the first nut, be equipped with the second division board on the second nut, first division board is located the top in one of them holding chamber, the second division board is located the below in same holding chamber, the screw rod rotates so that first division board and second division board are sealed with the top and the bottom in holding chamber simultaneously.

The rotation unit is for installing the second motor at the casing top, and the output shaft lower extreme of second motor is fixed with first motor cabinet.

The filter assembly of the present invention further comprises a second filter unit disposed below the sleeve.

The support includes a plurality of risers, the riser sets up just along telescopic circumference equipartition the inboard edge and the sleeve outer wall fixed connection of riser are provided with two connecting plates at vertical direction interval distribution between two adjacent risers, are equipped with a plurality of second through-holes on the connecting plate.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

FIG. 1 is a front sectional view of a filter assembly according to an embodiment of the present invention;

fig. 2 is a top view of a first filter unit according to an embodiment of the present invention.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the following description, the appearances of the indicating orientation or positional relationship, such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are only for convenience in describing the embodiments and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Example (b):

referring to fig. 1-2, the present embodiment provides an ultra-low temperature compressed air system including a compressor and a filter assembly coupled to the compressor. The filter assembly filters air that is channeled into the compressor.

The filter assembly includes a housing 10, an isolation unit, a first filter unit, and a second filter unit. The air inlet of casing 10 is located its top, and the gas outlet of casing 10 is located its bottom, and the air from the air inlet from the top down flows to the gas outlet, passes through first filter unit and second filter unit in proper order on the way, carries out twice filtration to the air. The first filtering unit is close to the air inlet, and the second filtering unit is positioned at the air outlet.

First filter unit includes sleeve 401 and the support that constitutes by polylith riser 405, and sleeve 401 and the equal vertical setting of riser 405, riser 405 quantity are three in this embodiment, and three risers 405 set up along sleeve 401's circumference equipartition, and the contained angle is 120 between two adjacent risers 405, and the inboard edge of riser 405 is fixed with sleeve 401's outer wall, and the outside edge of riser 405 then is fixed on the casing 10 inner wall.

In addition, set up connecting plate 406 between the top of two adjacent risers 405 in this embodiment, also be provided with connecting plate 406 between the bottom of two adjacent risers 405, connecting plate 406 level sets up and the shape is fan-shaped, the inboard edge of connecting plate 406 is fixed with sleeve 401's outer wall, leave the space between connecting plate 406 at riser 405 top and the connecting plate 406 of riser 405 bottom, two adjacent risers 405 this moment, two connecting plates 406 that are located between these two adjacent risers 405 and sleeve 401's outer wall have just enclosed and have formed the holding chamber, and left the second opening in the outside in holding chamber, three holding chamber in the corresponding this embodiment. The first filter element 403 is arranged in the accommodating cavity, and the connecting plate 406 at the bottom of the vertical plate 405 supports the first filter element 403. The connecting plate 406 is provided with a plurality of second through holes 407, air enters the accommodating cavity from the second through holes 407 of the upper connecting plate 406, the air is primarily filtered by the first filter element 403 in the accommodating cavity, and the primarily filtered air goes to the second filter unit for secondary filtration through the second through holes 407 of the lower connecting plate 406.

Three first openings have been seted up along sleeve 401 circumference to the casing 10 outer wall, and every first opening part all is provided with first filter core door 404, and first filter core door 404 will correspond first opening sealedly. The three first filter element doors 404 are respectively matched with the corresponding first filter elements 403 in a dismounting manner, and the first filter element doors 404 are matched with the first filter elements 403 to block the corresponding second openings so as to prevent air in the accommodating cavities from flowing out of the second openings.

When one of the first filter elements 403 needs to be replaced, the isolating unit plugs the second through hole 407 of the accommodating cavity where the first filter element 403 is located, so as to prevent air in the housing 10 from entering the accommodating cavity, and the air in the housing 10 can still enter other accommodating cavities for filtering. After the second through hole 407 is completely sealed, the first filter cartridge 403 can leave the housing 10 through the second opening and the first opening in this order by pulling the first filter cartridge door 404 outward. After the first filter cartridge 403 on the first filter cartridge door 404 is replaced, the first filter cartridge door 404 is installed back to the first opening again, so that the new first filter cartridge 403 returns to the corresponding accommodating cavity through the first opening and the second opening again, and then the isolation unit leaves the second through hole 407 of the accommodating cavity, so that the accommodating cavity is communicated with the air in the housing 10 again, and the new first filter cartridge 403 starts to filter the air. It can be seen that the replacement of the first filter cartridge 403 avoids the need for an overall disassembly of the housing 10, thereby reducing the amount of replacement of the first filter cartridge 403, while eliminating the need for a shut down operation during replacement of the first filter cartridge 403.

The filter assembly includes that the control isolation unit carries out pivoted rotation unit, and is general, rotation unit is for installing the second motor 201 at casing 10 top, and casing 10 top supports second motor 201, and the output shaft of second motor 201 is located casing 10 to be connected with the isolation unit, the whole rotation that rotates of second motor 201 control isolation unit, thereby make the isolation unit rotate to the holding chamber of waiting to change first filter core 403 and carry out the shutoff to second through-hole 407. The joint between the second motor 201 and the top of the housing 10 is sealed by a gasket.

The isolation unit includes a first motor mount 301, a first motor 302, a screw 305, and a first extension plate 303.

The output shaft lower extreme and the first motor cabinet 301 of second motor 201 are fixed, and first motor 302 is installed on first motor cabinet 301, and the output shaft and the equal vertical setting of screw rod 305 of first motor 302, the upper end of screw rod 305 and the output shaft lower extreme fixed connection of first motor 302, and sleeve 401 is run through to screw rod 305, and screw rod 305 and the coaxial setting of sleeve 401. The first motor 302 controls the screw 305 to rotate in the middle of the sleeve 401.

First extension board 303 is the rectangular shape board of vertical extension, and the upper end of first extension board 303 is fixed in first motor cabinet 301 bottom to hoist first extension board 303 through first motor cabinet 301, sleeve 401 is passed to first extension board 303. The upper portion of the screw 305 is provided with a first nut 306, the lower portion of the screw 305 is provided with a second nut 307, the first nut 306 and the second nut 307 both protrude towards the first extension plate 303 to form a slide block, a slide rail is arranged on the first extension plate 303 along the vertical direction, the slide block is slidably arranged in the slide rail, so that the first nut 306 and the second nut 307 are slidably arranged on the first extension plate 303 along the vertical direction, and the slide rail circumferentially limits the slide block, thereby preventing the first nut 306 and the second nut 307 from rotating on the first extension plate 303. Therefore, during the rotation of the screw 305 relative to the first extension plate 303, the first nut 306 and the second nut 307 can only move vertically along the axial direction of the screw 305 at the same time. Since the threads of the upper portion of the screw 305 and the threads of the lower portion of the screw 305 are opposite in direction, the first nut 306 and the second nut 307 move in opposite directions during the vertical movement.

The first nut 306 is located above the sleeve 401, the second nut 307 is located below the sleeve 401, a first isolation plate 308 is arranged on the first nut 306, a second isolation plate 309 is arranged on the second nut 307, the first isolation plate 308 is located above one of the accommodating cavities, and the second isolation plate 309 is located below the same accommodating cavity. When the first filter element 403 in the accommodating cavity needs to be replaced, the screw 305 rotates to control the first isolation plate 308 to move downwards and simultaneously move the second isolation plate 309 upwards, when the first isolation plate 308 presses downwards the connecting plate 406 at the top of the accommodating cavity, the second isolation plate 309 also presses upwards the connecting plate 406 at the bottom of the accommodating cavity, and the first isolation plate 308 and the second isolation plate 309 seal the second through holes 407 at the top and the bottom of the accommodating cavity respectively. After the first filter element 403 is replaced, the screw 305 rotates in the reverse direction, the first isolation plate 308 and the second isolation plate 309 leave the connection plate 406, and the second through hole 407 of the receiving cavity is communicated again. When the first filter element 403 in another accommodating cavity is replaced, the first isolation plate 308 and the second isolation plate 309 are driven to rotate to the upper side and the lower side of the corresponding accommodating cavity respectively by the control of the second motor 201, and the steps are repeated.

A portion of the air will flow from the middle of the sleeve 401 without being filtered by the first filter element 403 directly to the second filter element 501 in the second filter unit. But the inner diameter of the sleeve 401 is small and therefore the amount of this air is small, and the filtering of this air can be done by means of the second filter cartridge 501. In addition, the filtering operation of most of the air is performed by the first filter element 403, so that the processing pressure of the second filter element 501 for the secondary filtering is low, the replacement frequency is low, and the second filter element 501 needs to be replaced only by disassembling the bottom of the housing 10 during the regular maintenance of the filter assembly, so that the actual replacement workload of the second filter element 501 is low.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. An ultra-low temperature compressed air system, characterized by: including filtering component, filtering component includes casing (10), isolation unit and first filtering unit, first filtering unit includes sleeve (401) and support, the support is fixed on casing (10) inner wall, sleeve (401) are fixed in the middle of the support, support and sleeve (401) outer wall enclose and form a plurality of holding chambeies, be provided with first filter core (403) in the holding chamber, keep apart the state of ventilating in unit control holding chamber, first opening has been seted up on casing (10) outer wall, first opening part is provided with first filter core door (404), the holding chamber is provided with the second opening in first filter core door (404) department, first filter core (404) are adorned in first filter core door (404) dismantlement, draw first filter core door (404) in order to control first filter core (403) business turn over casing (10).

2. An ultra-low temperature compressed air system as set forth in claim 1, wherein: the filtering component comprises a rotating unit for controlling the isolation unit to rotate, the isolation unit comprises a first motor base (301) fixedly connected with the rotating unit, a first motor (302) installed on the first motor base (301), a vertically arranged screw rod (305) and a first extension plate (303) vertically arranged at the bottom of the first motor base (301), the upper end of the screw rod (305) is fixedly connected with the first motor (302), the screw rod (305) and the first extension plate (303) both penetrate through a sleeve (401), the thread turning directions of the upper part and the lower part of the screw rod (305) are opposite, a first nut (306) is arranged at the upper part of the screw rod (305), a second nut (307) is arranged at the lower part of the screw rod (305), the first nut (306) and the second nut (307) are both arranged on the first extension plate (303) in a sliding manner along the vertical direction, a first isolation plate (308) is arranged on the first nut (306), and a second isolation plate (309) is arranged on the second nut (307), the first isolation plate (308) is positioned above one accommodating cavity, the second isolation plate (309) is positioned below the same accommodating cavity, and the screw (305) rotates to enable the first isolation plate (308) and the second isolation plate (309) to seal the top and the bottom of the accommodating cavity simultaneously.

3. An ultra-low temperature compressed air system as set forth in claim 2, wherein: the rotating unit is a second motor (201) arranged at the top of the shell (10), and the lower end of an output shaft of the second motor (201) is fixed with the first motor base (301).

4. An ultra-low temperature compressed air system as set forth in claim 1, wherein: the filter assembly further comprises a second filter unit arranged below the sleeve (401).

5. An ultra-low temperature compressed air system as set forth in claim 2, wherein: the support includes a plurality of risers (405), and riser (405) set up and the inboard edge and sleeve (401) outer wall fixed connection of riser (405) along the circumference equipartition of sleeve (401), are provided with two connecting plates (406) of interval distribution in vertical direction between two adjacent risers (405), are equipped with a plurality of second through-holes (407) on connecting plate (406).