Solution filter for producing plastic packaging box

Abstract

The utility model belongs to the technical field of filters, and particularly relates to a solution filter for plastic packaging box production, which comprises a filter body, a top cover connected to the surface of the filter body, a mounting block connected to the bottom surface of the top cover, a filter element mounted on the bottom surface of the mounting block, a filter screen abutted to the surface of the filter element, and a threaded ring fixedly connected to the top surface of the filter screen. The surface of the threaded ring is in threaded connection with the inner container, the sliding block on the surface of the inner container is in sliding connection with the sliding groove, and the sliding groove is formed in the surface of the upper end of the inner wall of the filter body. The filter screen is convenient to replace and clean, and the purpose of convenient cleaning and maintenance is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of filters, and in particular relates to a melt filter used in the production of plastic packaging boxes. Background Art

[0002] The melt filter used in the production process of plastic packaging boxes is a key equipment, which is mainly used to filter and purify molten materials to ensure the quality and production efficiency of plastic packaging boxes. Among them, the "melt filter for the production of plastic packaging boxes" disclosed in the application number "CN202021460574.4" is also an increasingly mature technology. When plastic packaging boxes need to be produced, the melt filter is used to filter impurities such as particles, bubbles and fibers in the raw materials to improve the yield. However, the device also has the following defects: However, when the above-mentioned equipment is in use, the filter needs to replace the filter screen frequently and clean it. The existing filter screen structure is fixed, and it is inconvenient to disassemble, which affects the cleaning efficiency. In addition, the existing filter often leaks or splashes molten materials at the feed inlet and outlet due to high pressure, causing injuries. Utility Model Content

[0003] The utility model aims to provide a melt filter for the production of plastic packaging boxes, aiming to solve the problem that when the above-mentioned equipment in the prior art is in use, the filter needs to be frequently replaced and cleaned, the existing filter has a fixed filter structure, and it is inconvenient to disassemble and affect the cleaning efficiency, and the existing filter often leaks or splashes molten materials at the feed port and the discharge port due to high pressure and injures people.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a melt filter for the production of plastic packaging boxes, comprising: a filter body, the surface of the filter body is connected to the top cover, the bottom surface of the top cover is connected to the mounting block, the bottom surface of the mounting block is installed with a filter element, the surface of the filter element abuts against the filter screen, the top surface of the filter screen is fixedly connected to a threaded ring, the surface of the threaded ring is threadedly connected to an inner liner, the slider on the surface of the inner liner is slidably connected to a slide groove, and the slide groove is opened on the upper end surface of the inner wall of the filter body.

[0005] In order to facilitate the connection of the inner liner by utilizing the slide groove opened on the surface of the filter body, as a melt filter for producing plastic packaging boxes of the utility model, an "L"-shaped slide groove is opened on the upper end surface of the filter body, and the filter body, the inner liner and the slide groove form a sliding connection structure.

[0006] In order to make it easier to use filter screens of different models fixed on the inner liner by using threaded rings for use on filter elements of different sizes, the utility model is a melt filter for the production of plastic packaging boxes. The filter screen, threaded ring and inner liner form a threaded connection structure, and seven through grooves are opened on the top surface of the inner liner that match the shape and size of the threaded ring.

[0007] In order to use a slidably installed protective box to block and protect the feed port to prevent molten material from leaking or splashing and injuring people, the utility model is a melt filter for the production of plastic packaging boxes. The surface of the filter body is fixedly connected to the liquid inlet pipe, the surface of the liquid inlet pipe is slidably connected to the protective box, the surface of the protective box is longitudinally penetrated by a connecting bolt, the bottom surface of the bolt is threadedly connected to the liquid inlet pipe, one side surface of the protective box is connected to a protrusion, the surface of the protrusion is slidably connected to a cover plate, the surface of the cover plate is threadedly connected to a sealing ring, the bottom surface of the protective box abuts against the base, and the top surface of the base is embedded and connected to the bottom of the filter body.

[0008] In order to fix the position of the protective box by passing the bolts through the threaded grooves at the corresponding positions on the protective box, the utility model is a melt filter for producing plastic packaging boxes, the liquid inlet pipe, the protective box and the bolts form a threaded connection structure, and four threaded grooves are evenly spaced on the top surface of the liquid inlet pipe and match the shape and size of the bolts.

[0009] In order to utilize the protrusion to facilitate the installation and removal of the cover plate and to facilitate the maintenance of the feed port in the protective box, the utility model is a melt filter for the production of plastic packaging boxes. The protective box, the protrusion and the cover plate form a sliding connection structure, the surface of the cover plate has a "T"-shaped groove that matches the shape and size of the protrusion, and the surface of the cover plate has a through groove that matches the shape and size of the sealing ring.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The filter can be replaced quickly and conveniently by sliding the inner tank connected to the filter body. At the same time, the filter model can be changed according to the filter element model, which is convenient for replacing and cleaning the filter, thus achieving the purpose of easy cleaning and maintenance.

[0012] The liquid inlet pipe and its connecting pipes are protected by a protective box that is slidably connected to the surface of the liquid inlet pipe to prevent leakage or splashing of molten material under high pressure and injuring people. At the same time, the sealing ring of the appropriate size is replaced according to the size of the connecting pipe to improve the safety of the filter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the top cross-sectional structure of the utility model;

[0017] Figure 4 It is a schematic diagram of an enlarged cross-sectional structure of the filter body of the utility model;

[0018] Figure 5 For the utility model Figure 2 A schematic diagram of the enlarged structure of part A.

[0019] In the figure: 1. filter body; 2. top cover; 3. mounting block; 4. filter element; 5. filter screen; 6. threaded ring; 7. liner; 8. slide groove; 9. liquid inlet pipe; 10. protective box; 11. bolt; 12. bump; 13. cover plate; 14. sealing ring; 15. base. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides the following technical solutions: a melt filter for producing plastic packaging boxes, comprising: a filter body 1, the surface of the filter body 1 is connected to a top cover 2, the bottom surface of the top cover 2 is connected to a mounting block 3, a filter element 4 is installed on the bottom surface of the mounting block 3, the surface of the filter element 4 abuts against a filter screen 5, the top surface of the filter screen 5 is fixedly connected to a threaded ring 6, the surface of the threaded ring 6 is threadedly connected to an inner liner 7, a slider on the surface of the inner liner 7 is slidably connected to a slide groove 8, and the slide groove 8 is opened on the upper end surface of the inner wall of the filter body 1.

[0022] Preferably: an "L"-shaped slide groove 8 is provided on the upper end surface of the filter body 1, and the filter body 1, the inner tank 7 and the slide groove 8 form a sliding connection structure.

[0023] During specific use, the slide groove 8 provided on the surface of the filter body 1 is utilized to facilitate the inner liner 7 to be slid on the slide groove 8 by using a slider to take out the inner liner 7 .

[0024] Preferably, the filter screen 5 , the threaded ring 6 and the inner container 7 form a threaded connection structure, and seven through grooves are provided on the top surface of the inner container 7 and the shape and size of the threaded ring 6 are consistent.

[0025] During specific use, the threaded ring 6 is threadedly connected to the inner tank 7 to facilitate replacement of the filter 5 and to connect the filter 5 of corresponding size as required.

[0026] Preferably: the surface of the filter body 1 is fixedly connected to the liquid inlet pipe 9, the surface of the liquid inlet pipe 9 is slidably connected to the protective box 10, the surface of the protective box 10 is longitudinally penetrated by a connecting bolt 11, the bottom surface of the bolt 11 is threadedly connected to the liquid inlet pipe 9, one side surface of the protective box 10 is connected to a protrusion 12, the surface of the protrusion 12 is slidably connected to a cover plate 13, the surface of the cover plate 13 is threadedly connected to a sealing ring 14, the bottom surface of the protective box 10 abuts against a base 15, and the top surface of the base 15 is engaged and connected to the bottom of the filter body 1.

[0027] When in use, the protective box 10 and the cover plate 13 slidably connected to the surface thereof are used to protect and isolate the liquid inlet pipe 9 connected thereto and the feed pipe thereon, so as to prevent splashing molten material from injuring people.

[0028] Preferably, the liquid inlet pipe 9 , the protection box 10 and the bolt 11 form a threaded connection structure, and four thread grooves are evenly spaced on the top surface of the liquid inlet pipe 9 and match the shape and size of the bolt 11 .

[0029] During specific use, the position of the protection box 10 is adjusted according to the length of the liquid inlet pipe 9 and the feed pipe connected thereto, and then the position of the protection box 10 is fixed in the threaded groove at the corresponding position on the surface of the liquid inlet pipe 9 by using the bolt 11 to penetrate the protection box 10.

[0030] Preferably, the protective box 10 , the protrusion 12 and the cover plate 13 form a sliding connection structure, the surface of the cover plate 13 is provided with a “T”-shaped groove that matches the shape and size of the protrusion 12 , and the surface of the cover plate 13 is provided with a through groove that matches the shape and size of the sealing ring 14 .

[0031] During specific use, the cover 13 is slid on the protrusion 12 on the surface of the protection box 10 to close the protection box 10 to isolate the liquid inlet pipe 9 therein. At the same time, the sealing ring 14 of the corresponding size is replaced according to the size of the pipe connected to the liquid inlet pipe 9 and threadedly connected to the cover 13 to facilitate sealing the gap in the pipe connection.

[0032] Working principle: When it is necessary to produce plastic packaging boxes, use a filter to filter the material to remove impurities such as particles and bubbles to improve the yield rate. Use the protective box 10 that is embedded and connected to the base 15 at the bottom of the filter body 1 to slide around the surface of the liquid inlet pipe 9 to isolate the liquid inlet pipe 9 and the feed pipe connected thereto. When installing the feed pipe, select a suitable sealing ring 14 according to the size of the pipe and thread it on the surface of the cover plate 13, and then let the feed pipe pass through the sealing ring 14. At the same time, use the cover plate 13 to slide and connect to the protrusion 12 to close the protective box 10 to the liquid inlet pipe 9 and the connecting pipe inside it. Protection is provided to avoid leakage or splashing of molten material caused by high pressure and injuring people. At the same time, the position of the protection box 10 can be adjusted according to the length of the liquid inlet pipe 9 and the feed pipe, and the bolt 11 is used to penetrate the protection box 10 and fix it in the threaded groove at the corresponding position opened on the surface of the liquid inlet pipe 9. After use, the top cover 2 can be lifted to drive the connected mounting block 3 and the filter element 4 to move up, so as to hold the inner liner 7 and slide on the slide groove 8 opened on the inner wall surface of the filter body 1, so as to facilitate the removal of the inner liner 7 and replace the filter screen 5 fixed thereon, so as to achieve the purpose of facilitating the replacement and cleaning of the filter screen 5. This is a feature of a melt filter used in the production of plastic packaging boxes.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A melt filter for producing plastic packaging boxes, comprising: The filter body (1) is characterized in that: the surface of the filter body (1) is connected to the top cover (2), the bottom surface of the top cover (2) is connected to the mounting block (3), the bottom surface of the mounting block (3) is mounted with a filter element (4), the surface of the filter element (4) abuts against the filter screen (5), the top surface of the filter screen (5) is fixedly connected to a threaded ring (6), the surface of the threaded ring (6) is threadedly connected to an inner liner (7), the surface of the inner liner (7) is slidably connected to a slide groove (8), and the slide groove (8) is opened on the upper end surface of the inner wall of the filter body (1).

2. A melt filter for producing plastic packaging boxes according to claim 1, characterized in that: An "L"-shaped slide groove (8) is provided on the upper end surface of the filter body (1), and the filter body (1), the inner tank (7) and the slide groove (8) form a sliding connection structure.

3. The melt filter for producing plastic packaging boxes according to claim 1, characterized in that: The filter screen (5), the threaded ring (6) and the inner container (7) form a threaded connection structure, and the top surface of the inner container (7) is provided with seven through grooves that match the shape and size of the threaded ring (6).

4. The melt filter for producing plastic packaging boxes according to claim 1, characterized in that: The surface of the filter body (1) is fixedly connected to the liquid inlet pipe (9), the surface of the liquid inlet pipe (9) is slidably connected to the protective box (10), the surface of the protective box (10) is longitudinally penetrated by a connecting bolt (11), the bottom surface of the bolt (11) is threadedly connected to the liquid inlet pipe (9), one side surface of the protective box (10) is connected to a protrusion (12), the surface of the protrusion (12) is slidably connected to a cover plate (13), the surface of the cover plate (13) is threadedly connected to a sealing ring (14), the bottom surface of the protective box (10) abuts against a base (15), and the top surface of the base (15) is engaged and connected to the bottom of the filter body (1).

5. A melt filter for producing plastic packaging boxes according to claim 4, characterized in that: The liquid inlet pipe (9), the protective box (10) and the bolt (11) form a threaded connection structure, and the top surface of the liquid inlet pipe (9) is provided with four thread grooves at equal intervals, which match the shape and size of the bolt (11).

6. The melt filter for producing plastic packaging boxes according to claim 4, characterized in that: The protective box (10), the protrusion (12) and the cover plate (13) form a sliding connection structure; a "T"-shaped groove is provided on the surface of the cover plate (13) and matches the shape and size of the protrusion (12); and a through groove is provided on the surface of the cover plate (13) and matches the shape and size of the sealing ring (14).

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