CN213995050U

CN213995050U - Filtering device capable of rapidly replacing filter screen

Info

Publication number: CN213995050U
Application number: CN202022987927.2U
Authority: CN
Inventors: 万洪山
Original assignee: Scd New Material Technology Shanghai Co ltd
Current assignee: Scd New Material Technology Shanghai Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-20
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a can quick replacement filter equipment of filter screen, which comprises a housin, all install first mounting panel and second mounting panel on the both sides outer wall of casing, and first mounting panel is located the top of second mounting panel, the last surface mounting of second mounting panel has the pneumatic cylinder, the top of pneumatic cylinder is provided with hydraulic telescoping rod, the roof is installed on hydraulic telescoping rod's top, cyclic annular connecting plate is installed at the top of roof, cyclic annular connecting plate sets up the outer wall top at the plunger type filter screen, the first slotted hole on the roof is run through to the bottom of plunger type filter screen, the reference column is installed to the bottom of cyclic annular connecting plate, the locating hole has been seted up at the top of roof. The utility model discloses can filter the impurity that exists in the raw materials in the melt-blown production process to can the quick replacement filter screen, improve work efficiency, can avoid the condition emergence that impurity blockked up the plunger type filter screen, the practicality is strong.

Description

Filtering device capable of rapidly replacing filter screen

Technical Field

The utility model relates to a melt and spout auxiliary assembly technical field, specifically be a filter equipment that can quick replacement filter screen.

Background

At present, melt-blown fabric is a core material for producing masks, and in the production process of the melt-blown fabric, raw materials need to be extruded and plasticized into molten materials through an extruder, and the molten materials are ejected through a melt-blown fabric mold to produce the melt-blown fabric. Impurities in the raw materials are filtered in the melt-blown production process, the filter screen needs to be replaced periodically, and the service cycle of the spinneret plate is prolonged.

However, the existing melt-blown filtering device is inconvenient for disassembling, assembling and replacing the filter screen, the disassembling and replacing efficiency is reduced, and the filter screen is easy to block by impurities in the raw materials; therefore, the existing use requirements are not satisfied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can quick replacement filter equipment of filter screen to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a filtering device capable of quickly replacing a filter screen comprises a shell, wherein a first mounting plate and a second mounting plate are mounted on the outer walls of the two sides of the shell, the first mounting plate is positioned above the second mounting plate, a hydraulic cylinder is mounted on the upper surface of the second mounting plate, a hydraulic telescopic rod is arranged at the top of the hydraulic cylinder, a top plate is mounted at the top end of the hydraulic telescopic rod, an annular connecting plate is mounted at the top of the top plate and is arranged above the outer wall of a plunger type filter screen, the bottom end of the plunger type filter screen penetrates through a first slotted hole in the top plate, a positioning column is mounted at the bottom of the annular connecting plate, a positioning hole is formed in the top of the top plate, guide rods are mounted on the two sides of the top of the shell, a limit switch is arranged at the top of the first mounting plate, and inclined filter holes are formed in the periphery of the outer wall of the plunger type filter screen, the bottom of the plunger type filter screen is provided with filter holes, and the top of the shell is provided with a second slotted hole.

Preferably, the positioning column on the bottom of the annular connecting plate is installed in the positioning hole in the top of the top plate, the outer wall of the positioning column is in clearance connection with the hole wall of the positioning hole, the bottom end of the positioning column is provided with a first strong magnet block, the positioning hole is internally provided with a second strong magnet block, and the first strong magnet block is magnetically connected with the second strong magnet block.

Preferably, pull rings are installed on two sides of the top of the annular connecting plate.

Preferably, the top end of the guide rod penetrates through a through hole in the top plate, and the outer wall of the guide rod is in clearance connection with the wall of the through hole.

Preferably, the support columns are installed at four corners of the bottom of the shell, the fixed plate is installed at the bottom ends of the support columns, the discharge pipe is arranged at the center of the bottom of the shell, and the discharge valve is arranged on the discharge pipe.

Preferably, the first slot is formed in the center of the surface of the top plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model is arranged by matching a series of structures, when a worker needs to replace the plunger type filter screen, the worker starts the hydraulic cylinder, the hydraulic telescopic rod stretches, the worker makes the hydraulic telescopic rod stretch to drive the top plate to do upward linear motion, the top plate can drive the plunger type filter screen to do upward linear motion when doing upward linear motion, when the plunger type filter screen moves out of the shell and moves to a certain height, the hydraulic cylinder is closed, because the positioning column on the bottom of the annular connecting plate is arranged in the positioning hole on the top of the top plate, the outer wall of the positioning column is in clearance connection with the hole wall of the positioning hole, the bottom end of the positioning column is provided with the first strong magnet block, the second strong magnet block is arranged in the positioning hole, the first strong magnet block is magnetically connected with the second strong magnet block, so that the worker can disassemble the plunger type filter screen by only lifting the pull ring upwards, thereby the utility model discloses can the quick replacement filter screen, improve work efficiency.

(2) The utility model discloses a limit switch's setting, after the staff has changed the plunger type filter screen, when needing to remove the inside of casing with the plunger type filter screen, the staff starts the pneumatic cylinder, and hydraulic telescoping rod is flexible, and the staff makes the indirect plunger type filter screen that drives of hydraulic telescoping rod be decurrent linear motion, and when roof and limit switch contact, limit switch closed the pneumatic cylinder, and the plunger type filter screen is located the inside of casing promptly this moment, has made things convenient for staff's use.

(3) The utility model discloses a setting of slope form filtration pore, when slope form filtration pore filters the impurity in the raw materials, is certain slope because of slope form filtration pore, and when impurity entered into in the slope form filtration pore, because of the raw materials of raw materials in the plunger type filter screen has certain mobility when filtering, impurity can flow out from slope form filtration pore because of self gravity factor to can avoid the condition that impurity blockked up the plunger type filter screen to take place, the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a plunger type filter screen according to the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.

In the figure: 1. a guide bar; 2. a through hole; 3. a limit switch; 4. a first mounting plate; 5. a hydraulic telescopic rod; 6. a hydraulic cylinder; 7. a second mounting plate; 8. an inclined filter hole; 9. a housing; 10. a plunger type filter screen; 11. an annular connecting plate; 12. a first slot; 13. a top plate; 14. a second slot; 15. a fixing plate; 16. a support pillar; 17. a discharge valve; 18. a discharge pipe; 19. filtering holes; 20. a pull ring; 21. a positioning column; 22. a first strong magnet block; 23. a second strong magnet block; 24. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a filtering device capable of quickly replacing a filter screen comprises a shell 9, a first mounting plate 4 and a second mounting plate 7 are mounted on the outer walls of the two sides of the shell 9, the first mounting plate 4 is positioned above the second mounting plate 7, a hydraulic cylinder 6 is mounted on the upper surface of the second mounting plate 7, a hydraulic telescopic rod 5 is arranged at the top of the hydraulic cylinder 6, a top plate 13 is mounted at the top end of the hydraulic telescopic rod 5, an annular connecting plate 11 is mounted at the top of the top plate 13, the annular connecting plate 11 is arranged above the outer wall of a plunger type filter screen 10, the bottom end of the plunger type filter screen 10 penetrates through a first slotted hole 12 in the top plate 13, a positioning column 21 is mounted at the bottom of the annular connecting plate 11, a positioning hole 24 is formed in the top of the top plate 13, guide rods 1 are mounted on the two sides of the top of the shell 9, a limit switch 3 is arranged at the top of the first mounting plate 4, and inclined filter holes 8 are formed around the outer wall of the plunger type filter screen 10, the bottom of the plunger type filter screen 10 is provided with a filter hole 19, the top of the shell 9 is provided with a second slotted hole 14, a positioning column 21 on the bottom of an annular connecting plate 11 is arranged in a positioning hole 24 on the top of a top plate 13, the outer wall of the positioning column 21 is in clearance connection with the wall of the positioning hole 24, the bottom end of the positioning column 21 is provided with a first strong magnet block 22, the positioning hole 24 is internally provided with a second strong magnet block 23, the first strong magnet block 22 is magnetically connected with the second strong magnet block 23, both sides of the top of the annular connecting plate 11 are provided with pull rings 20, the top end of a guide rod 1 penetrates through a through hole 2 on the top plate 13, the outer wall of the guide rod 1 is in clearance connection with the wall of the through hole 2, supporting columns 16 are arranged at four corners of the bottom of the shell 9, the bottom ends of the supporting columns, the first slot 12 is opened at the center of the surface of the top plate 13.

The working principle is as follows: when the plunger type filter screen 10 is used, an external power supply is connected, when a worker needs to replace the plunger type filter screen 10, the worker starts the hydraulic cylinder 6, the hydraulic telescopic rod 5 is stretched and contracted by the worker to drive the top plate 13 to do upward linear motion, the top plate 13 can drive the plunger type filter screen 10 to do upward linear motion when doing upward linear motion, after the plunger type filter screen 10 is moved out of the shell 9 and moves to a certain height, the hydraulic cylinder 6 is closed, because the positioning column 21 on the bottom of the annular connecting plate 11 is arranged in the positioning hole 24 on the top of the top plate 13, the outer wall of the positioning column 21 is in clearance connection with the hole wall of the positioning hole 24, the bottom end of the positioning column 21 is provided with the first strong magnet block 22, the positioning hole 24 is provided with the second strong magnet block 23, the first strong magnet block 22 is in magnetic connection with the second strong magnet block 23, and the worker can disassemble the plunger type filter screen 10 only need to lift the pull ring 20 upwards by two hands, therefore, the utility model can rapidly replace the filter screen, improve the working efficiency, when the plunger type filter screen 10 needs to be moved into the shell 9 after the worker replaces the plunger type filter screen 10, the worker starts the hydraulic cylinder 6, the hydraulic telescopic rod 5 stretches, the worker makes the hydraulic telescopic rod 5 indirectly drive the plunger type filter screen 10 to do downward linear motion, when the top plate 13 contacts with the limit switch 3, the limit switch 3 closes the hydraulic cylinder 6, at the moment, the plunger type filter screen 10 is positioned in the shell 9, thereby facilitating the use of the worker, through the arrangement of the inclined type filter holes 8, when the inclined type filter holes 8 filter the impurities in the raw materials, the impurities enter the inclined type filter holes 8 due to the certain inclination of the inclined type filter holes 8, the raw materials in the plunger type filter screen 10 have certain fluidity when being filtered, impurities can flow out of the inclined filtering holes 8 due to self gravity factors, so that the situation that the plunger type filter screen 10 is blocked by the impurities can be avoided, and the practicability is high.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A filtering device capable of quickly replacing a filter screen comprises a shell (9), and is characterized in that: the outer walls of two sides of the shell (9) are respectively provided with a first mounting plate (4) and a second mounting plate (7), the first mounting plates (4) are located above the second mounting plates (7), the upper surface of the second mounting plates (7) is provided with a hydraulic cylinder (6), the top of the hydraulic cylinder (6) is provided with a hydraulic telescopic rod (5), the top end of the hydraulic telescopic rod (5) is provided with a top plate (13), the top of the top plate (13) is provided with an annular connecting plate (11), the annular connecting plate (11) is arranged above the outer wall of the plunger type filter screen (10), the bottom end of the plunger type filter screen (10) penetrates through a first slotted hole (12) in the top plate (13), the bottom of the annular connecting plate (11) is provided with a positioning column (21), the top of the top plate (13) is provided with a positioning hole (24), and two sides of the top of the shell (9) are respectively provided with a guide rod (1), the top of the first mounting plate (4) is provided with a limit switch (3), the periphery of the outer wall of the plunger type filter screen (10) is provided with inclined filter holes (8), the bottom of the plunger type filter screen (10) is provided with filter holes (19), and the top of the shell (9) is provided with a second slotted hole (14).

2. A rapid strainer changing filter apparatus according to claim 1 wherein: the positioning column (21) on the bottom of the annular connecting plate (11) is arranged in a positioning hole (24) on the top of the top plate (13), the outer wall of the positioning column (21) is in clearance connection with the hole wall of the positioning hole (24), a first strong magnet block (22) is arranged at the bottom end of the positioning column (21), a second strong magnet block (23) is arranged in the positioning hole (24), and the first strong magnet block (22) is magnetically connected with the second strong magnet block (23).

3. A rapid strainer changing filter apparatus according to claim 1 wherein: and pull rings (20) are arranged on two sides of the top of the annular connecting plate (11).

4. A rapid strainer changing filter apparatus according to claim 1 wherein: the top end of the guide rod (1) penetrates through the through hole (2) in the top plate (13), and the outer wall of the guide rod (1) is in clearance connection with the hole wall of the through hole (2).

5. A rapid strainer changing filter apparatus according to claim 1 wherein: support columns (16) are installed at four corners of the bottom of the shell (9), a fixing plate (15) is installed at the bottom end of each support column (16), a discharge pipe (18) is arranged at the center of the bottom of the shell (9), and a discharge valve (17) is arranged on the discharge pipe (18).

6. A rapid strainer changing filter apparatus according to claim 1 wherein: the first slotted hole (12) is formed in the center of the surface of the top plate (13).