CN216506627U

CN216506627U - Non-stop filtering device for vacuum box

Info

Publication number: CN216506627U
Application number: CN202122919193.9U
Authority: CN
Inventors: 赵文贵; 张�林; 周庆
Original assignee: Yancheng Bairuihao Machinery Manufacturing Co ltd
Current assignee: Yancheng Bairuihao Machinery Manufacturing Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-05-13
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a non-stop filtering device of a vacuum box, which comprises a water inlet pipe, a water outlet pipe and a filter, wherein the filter is arranged between the water inlet pipe and the water outlet pipe, and the water inlet pipe is connected with a water outlet of a water pump. The filter is characterized by further comprising two main through pipes, a three-way pipe and a side branch pipe, wherein the three-way pipe is respectively connected with a water inlet pipe and a water outlet pipe, the other two openings of the three-way pipe are respectively connected with a bent pipe and a flange plate, the side branch pipe is arranged between the two bent pipes, a coarse filter element is arranged in the side branch pipe, a third switch is arranged at the water inlet of the side branch pipe, the two ends of the main through pipe are connected with the flange plate, the front end and the rear end of the main through pipe are respectively provided with a first switch and a second switch, the main through pipe is communicated with the barrel of the filter, the cover body of the filter is connected with the barrel through a hoop, and the first switch, the second switch and the third switch control the communication of the pipelines. The utility model ensures the normal delivery of cooling water when the filter is cleaned, and the filter is cleaned without stopping.

Description

Filter device without shutdown of vacuum box

Technical Field

The utility model belongs to the field of extruder accessory equipment, and particularly relates to a filtering device without stopping a vacuum box.

Background

The extruder is a device which can fully plasticize and uniformly mix materials and form the materials through a neck mold. The extruder comprises six parts such as a transmission device, a feeding device, a charging barrel, a screw, a machine head, a mouth mold and the like, is commonly used for producing plastic products, and in the prior art, the extruder is used for molding pipes which need to be cooled and shaped, and is mainly treated by a vacuum box at present. The vacuum box is connected to an exhaust port on the pipe extruder, so that the pipe is prevented from bubbling and deforming, the forming of the cooling device is assisted, and the production quality of the pipe is improved.

Set up the water tank in the vacuum chamber for cooling plastic pipe, cooling water recycles, and the easy doping of vacuum incasement cooling water plastic powder or other impurity need filter through the filter before intaking, need regularly clear up the filter and take out impurity, must clear away impurity. When the water circulation filter of the vacuum box is cleaned in the industry at present, the machine needs to be stopped for treatment, and the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a novel non-stop filtering device for a vacuum box, which can improve the disassembly speed, ensure the normal conveying of cooling water through a branch when a filter is disassembled and realize non-stop filtering.

In order to solve the technical problem, the utility model provides a non-stop filtering device of a vacuum box, which comprises a water inlet pipe, a water outlet pipe and a filter, wherein the filter is arranged between the water inlet pipe and the water outlet pipe, the water inlet pipe is connected with a water outlet of a water pump,

also comprises a main through pipe, a three-way pipe and a side branch pipe,

two three-way pipes are respectively connected with the water inlet pipe and the water outlet pipe, the other two ports of the three-way pipe are respectively connected with the bent pipes and the flange plate, a side branch pipe is arranged between the two bent pipes, a coarse filter element is arranged in the side branch pipe, a third switch is arranged at the water inlet of the side branch pipe,

the two ends of the main through pipe are connected with the flange, the front end and the rear end of the main through pipe are respectively provided with a first switch and a second switch, the main through pipe is communicated with the cylinder body of the filter, the cover body of the filter is connected with the cylinder body through a hoop,

the first switch, the second switch and the third switch control whether the pipelines are communicated or not.

Furthermore, the first switch, the second switch and the third switch are respectively matched with a stop valve, and the stop valves are arranged between the two flange plates.

Further, the main through pipe and the cylinder body of the filter are integrally formed by injection molding.

Furthermore, the cover body of the filter is connected with a safety pipe, and pressure relief is carried out when the water outlet pipe fails and cannot be shut down.

Furthermore, a pressure gauge is communicated with the main through pipe.

The utility model has the beneficial effects that:

according to the non-stop filtering device for the vacuum box, the pipeline which is originally connected through threads is changed into hoop connection, so that the disassembly and assembly time is shortened; meanwhile, a side branch pipe is arranged, a coarse filter element is arranged in the side branch pipe, cooling water is simply filtered, normal conveying of the cooling water is guaranteed, and the filter is cleaned without stopping.

Drawings

Fig. 1 is a schematic front view partially in section of a vacuum box non-stop filtering device according to the present invention.

In the figure: 1. the water pump, 2, a water inlet pipe, 3, a filter, 4, a flange plate, 5, a first switch, 6, a pressure gauge, 7, a coarse filter element, 8, a side branch pipe, 9, a main through pipe, 10, a hoop, 11, a three-way pipe, 12, a water outlet pipe, 13, a second switch, 14, a third switch, 15 and a safety pipe.

Detailed Description

The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.

As shown in figure 1, the non-stop filtering device for the vacuum box comprises a water inlet pipe 2, a water outlet pipe 12 and a filter 3, wherein the filter 3 is arranged between the water inlet pipe 2 and the water outlet pipe 12, and the water inlet pipe 2 is connected with a water outlet of a water pump 1.

Also comprises a main through pipe 9, a three-way pipe 11 and a side branch pipe 8. The three-way pipe 11 has two, is connected with inlet tube 2, outlet pipe 12 respectively, and two other mouths of three-way pipe 11 are connected with return bend, ring flange 4 respectively, install side branch 8 between two return bends, install coarse effect filter core 7 in the side branch 8, the department of water inlet of side branch 8 installs third switch 14.

Two ends of the main through pipe 9 are connected with the flange plate 4, a first switch 5 and a second switch 13 are respectively installed at the front end and the rear end of the main through pipe 9, the main through pipe 9 is communicated with the barrel body of the filter 3, and the cover body of the filter 3 is connected with the barrel body through the hoop 10. The first switch 5, the second switch 13 and the third switch 14 control whether the pipelines are communicated or not.

In one example, the first switch 5, the second switch 13 and the third switch 14 are each matched with a stop valve, and the stop valves are arranged between the two flanges 4.

In one example, the main through pipe 9 is integrally injection-molded with the cylinder of the filter 3.

In one example, a safety pipe 15 is connected to the cover of the filter 3, and pressure relief is performed when the water outlet pipe 12 fails and cannot be stopped.

In one example, the main pipe 9 is communicated with a pressure gauge 6.

The working principle of the utility model is as follows:

the utility model relates to a non-stop filtering device of a vacuum box, which is provided with two three-way pipes 11 connected with a side branch pipe 8, wherein the side branch pipe 8 can provide simple filtering when cleaning a filter 3, and the influence on water quality is limited because the side branch pipe is only used for replacing filtering when cleaning the filter 3. When the impurities of the filter 3 are accumulated, the pressure gauge 6 exceeds the rated degree, the third switch 14 can be opened, then the first switch 5 and the second switch 13 are closed, the hoop 10 is removed, the main through pipe 9 is detached, and the filter 3 is cleaned. After cleaning, the main through pipe 9 is installed back to the flange plate 4, the third switch 14 is closed, and the first switch 5 and the second switch 13 are opened.

In conclusion, the utility model ensures the normal delivery of cooling water when the filter is cleaned, and the filter is cleaned without stopping.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.

Claims

1. A non-stop filtering device of a vacuum box comprises a water inlet pipe (2), a water outlet pipe (12) and a filter (3), wherein the filter (3) is arranged between the water inlet pipe (2) and the water outlet pipe (12), the water inlet pipe (2) is connected with a water outlet of a water pump (1),

the method is characterized in that: also comprises a main through pipe (9), a three-way pipe (11) and a side branch pipe (8),

two three-way pipes (11) are respectively connected with the water inlet pipe (2) and the water outlet pipe (12), the other two ports of the three-way pipe (11) are respectively connected with the bent pipe and the flange plate (4), a side branch pipe (8) is arranged between the two bent pipes, a coarse filter element (7) is arranged in the side branch pipe (8), a third switch (14) is arranged at the water inlet of the side branch pipe (8),

two ends of the main through pipe (9) are connected with the flange (4), a first switch (5) and a second switch (13) are respectively arranged at the front end and the rear end of the main through pipe (9), the main through pipe (9) is communicated with the cylinder body of the filter (3), the cover body of the filter (3) is connected with the cylinder body through a hoop (10),

the first switch (5), the second switch (13) and the third switch (14) control whether the pipelines are communicated or not.

2. A vacuum box non-stop filter device according to claim 1, characterized in that: the first switch (5), the second switch (13) and the third switch (14) are respectively matched with a stop valve, and the stop valves are arranged between the two flange plates (4).

3. A vacuum box non-stop filter device according to claim 1 or 2, characterized in that: the main through pipe (9) and the cylinder body of the filter (3) are integrally formed by injection molding.

4. A vacuum box non-stop filter device according to claim 3, wherein: the cover body of the filter (3) is connected with a safety pipe (15), and pressure relief is carried out when the water outlet pipe (12) fails and cannot be shut down.

5. A vacuum box non-stop filter device according to claim 1, characterized in that: and a pressure gauge (6) is communicated with the main through pipe (9).