Plastic filtering assembly of screw extruder

Abstract

The utility model discloses a plastic filter component of a screw extruder, which relates to the technical field of rubber and plastic product processing equipment, and comprises a filter sleeve arranged between an extruder body and a machine head mould, a filter channel communicated with the extruder body and the machine head mould is arranged in the filter sleeve, and the filter channel is communicated with the extruder body and the machine head mould. A sliding channel communicated with the filtering channel is formed in the filtering sleeve, the filtering sleeve is horizontally and slidably connected with a mounting assembly through the sliding channel, the mounting assembly is connected with the movable end of the driving cylinder, a left mounting groove and a right mounting groove are formed in the mounting assembly, and a left filtering element and a right filtering element are detachably mounted on the mounting assembly through the mounting grooves. According to the utility model, the two groups of filter elements work simultaneously, the driving cylinder can be started to replace the filter elements, one filter element works, the other filter element is replaced, the filter elements alternately work and are cleaned, impurities filtered and intercepted on the porous filter plate are accommodated and moved out through the filter cavity, and the filter elements are very fast to take down and disassemble from the mounting component, so that the efficient cleaning is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber and plastic product processing equipment, in particular to a plastic filtering component for a screw extruder. Background Art

[0002] During the extrusion process of the extruder, the molten material is delivered to the head mold through the filter component. The filter component filters the material to provide clean, impurity-free plastic melt for subsequent processes. The pressure generated by a clean filter is small. As the number of impurities trapped on the filter increases, the filter is easily blocked, affecting product production efficiency and quality. Therefore, the filter component needs to be cleaned regularly and efficiently.

[0003] For this purpose, we provide a screw extruder plastic filtration assembly. Utility Model Content

[0004] The utility model aims to provide a plastic filter component of a screw extruder, which solves the problem of efficient cleaning of the filter component.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screw extruder plastic filter assembly, comprising a filter sleeve arranged between an extruder body and a head mold, a filter channel connecting the extruder body and the head mold being arranged in the filter sleeve, a sliding channel connected to the filter channel being arranged in the filter sleeve, the filter sleeve being horizontally slidably connected to a mounting assembly through the sliding channel, the mounting assembly being connected to a movable end of a driving cylinder and driven to slide by the driving cylinder, a left and a right mounting groove being arranged on the mounting assembly, the mounting assembly being detachably mounted with a left and a right filter core through the mounting groove, and the left and the right filter cores being respectively driven by the driving cylinder to slide from the outside of the filter sleeve to the inside to the filter channel for filtering, the filter core comprising an outer clamping plate, an inner clamping plate and a porous filter plate, the porous filter plate being mounted in an assembly groove of the outer clamping plate, a filter cavity being arranged on the inner clamping plate, the inner clamping plate being threadedly connected to the outer clamping plate, and the inner clamping plate being pressed on the porous filter plate and clamping the porous filter plate with the outer clamping plate.

[0006] Preferably, a cylinder is provided at one end of the filter sleeve to extend into and connect with the extrusion channel of the extruder body.

[0007] Preferably, the installation assembly is provided with a guide rod for sliding assembly with the guide hole of the filter sleeve.

[0008] Preferably, the sliding channel and the filtering channel are vertically distributed, the size of the sliding channel is matched with the size of the mounting assembly, and the filtering sleeve is seamlessly connected with the mounting assembly through the sliding channel.

[0009] Preferably, the outer clamping plate is the discharge end of the filter element, the inner clamping plate is the feed end of the filter element, and the end surface of the inner clamping plate is flush with the sliding surface of the mounting assembly.

[0010] Preferably, the outer mounting plate and the mounting assembly are magnetically positioned by magnetic blocks, and the magnetic blocks that are magnetically attracted to each other are respectively embedded in the mounting groove and the outer mounting plate.

[0011] The utility model has the following beneficial effects:

[0012] The utility model provides a filter sleeve, an installation component, a filter core and a driving cylinder. Two groups of filter cores work at the same time. When the filter core needs to be cleaned, the driving cylinder can be started to replace the core. During replacement, one filter core works and the other filter core is replaced. The two groups of filter cores work and clean alternately, and core replacement without stopping the machine is realized, which meets the production requirements of good continuity and little impact on production. During the core replacement process, impurities filtered and intercepted on the porous filter plate are received and removed through the filter cavity of the internal clamping plate, and the filter core is very quick to remove and disassemble from the installation component, which is convenient for efficient cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the assembly structure of the filter sleeve and the installation component of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal structure of the filter sleeve of the utility model;

[0016] Figure 4 This is a schematic diagram of the assembly structure of the filter element and the installation component of the utility model;

[0017] Figure 5 This is a schematic diagram of the installation assembly structure of the utility model;

[0018] Figure 6 This is a schematic diagram of the assembly structure of the filter element of the utility model;

[0019] Figure 7 This is an expanded view of the filter element of the utility model.

[0020] In the figure: 1. Extruder body; 2. Head mold; 3. Filter sleeve; 31. Filter channel; 32. Slide channel; 33. Guide hole; 4. Mounting assembly; 41. Mounting slot; 42. Guide rod; 5. Drive cylinder; 6. Filter element; 61. External clamping plate; 611. Assembly slot; 62. Internal clamping plate; 621. Filter chamber; 63. Porous filter plate; 7. Magnetic block. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figure 1-7 As shown, the utility model provides a technical solution: a screw extruder plastic filter assembly, comprising a filter sleeve 3 arranged between an extruder body 1 and a die head mold 2, a barrel is arranged at one end of the filter sleeve 3 to extend to the extrusion channel of the extruder body 1 for connection, for smooth material transportation without leakage, a filter channel 31 connecting the extruder body 1 and the die head mold 2 is arranged in the filter sleeve 3, a sliding channel 32 connected to the filter channel 31 is arranged in the filter sleeve 3, the sliding channel 32 is vertically distributed with the filter channel 31, the filter sleeve 3 is horizontally slidably connected to the installation assembly 4 through the sliding channel 32, the size of the sliding channel 32 is adapted to the size of the installation assembly 4, the filter sleeve 3 is seamlessly sleeved with the installation assembly 4 through the sliding channel 32, and no material is leaked;

[0023] The installation component 4 is provided with a guide rod 42 which is slidably assembled with the guide hole 33 of the filter sleeve 3. The installation component 4 is connected to the movable end of the driving cylinder 5 and is driven to slide by the driving cylinder 5. The installation component 4 is provided with a left and a right installation groove 41. The installation component 4 can detachably install a left and a right filter core 6 through the installation groove 41. The left and the right filter core 6 are respectively driven by the driving cylinder 5 to slide from the outside of the filter sleeve 3 to the inside to the filter channel 31 for filtering.

[0024] The filter element 6 includes an outer clamping plate 61, an inner clamping plate 62 and a porous filter plate 63. The outer clamping plate 61 is the discharge end of the filter element 6. The porous filter plate 63 is installed in the assembly groove 611 of the outer clamping plate 61. The inner clamping plate 62 is the feed end of the filter element 6. A filter cavity 621 is arranged on the inner clamping plate 62. The inner clamping plate 62 is threadedly connected with the outer clamping plate 61. The inner clamping plate 62 is pressed on the porous filter plate 63 and clamps the porous filter plate 63 with the outer clamping plate 61. The end surface of the inner clamping plate 62 is flush with the sliding surface of the mounting assembly 4. The outer clamping plate 61 and the mounting assembly 4 are magnetically positioned by the magnetic suction block 7. The magnetic suction blocks 7 that are magnetically attracted to each other are respectively embedded in the mounting groove 41 and the outer clamping plate 61.

[0025] When in use, the two groups of filter cores 6 work at the same time. When the filter core 6 needs to be cleaned, the drive cylinder 5 can be started to perform the core replacement action. The drive cylinder 5 drives the installation component 4 to slide in the sliding channel 32 of the filter sleeve 3. During replacement, one filter core 6 slides to the filter channel 31 for filtering, and the other filter core 6 slides to the outside of the filter sleeve 3 for replacement and cleaning. The two groups of filter cores 6 work and clean alternately to achieve core replacement without stopping the machine, meeting the production requirements of good continuity and little impact on production. During the core replacement process, the impurities filtered and intercepted on the porous filter plate 63 are received and removed through the filter cavity 621 of the internal clamping plate 62, and the filter core 6 is fixed to the installation component 4 by magnetic attraction. The filter core 6 is a clamping component, which is very quick to remove and disassemble, and is convenient for efficient cleaning.

[0026] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic filter assembly for a screw extruder, characterized in that: The invention comprises a filter sleeve (3) arranged between an extruder body (1) and a die head mold (2), wherein a filter channel (31) communicating with the extruder body (1) and the die head mold (2) is arranged in the filter sleeve (3), a sliding channel (32) communicating with the filter channel (31) is arranged in the filter sleeve (3), the filter sleeve (3) is horizontally slidably connected to a mounting assembly (4) via the sliding channel (32), the mounting assembly (4) is connected to a movable end of a drive cylinder (5) and is driven to slide by the drive cylinder (5), the mounting assembly (4) is provided with a left and a right mounting groove (41), and the mounting assembly (4) is detachably mounted via the mounting groove (41). A left and a right filter core (6), and the left and the right filter core (6) are respectively driven by a drive cylinder (5) to slide from the outside of the filter sleeve (3) to the inside to filter at the filter channel (31), the filter core (6) comprising an outer clamping plate (61), an inner clamping plate (62) and a porous filter plate (63), the porous filter plate (63) being installed in an assembly groove (611) of the outer clamping plate (61), a filter cavity (621) being provided on the inner clamping plate (62), the inner clamping plate (62) being threadedly connected to the outer clamping plate (61), and the inner clamping plate (62) being pressed on the porous filter plate (63) and clamping the porous filter plate (63) with the outer clamping plate (61).

2. A screw extruder plastic filter assembly according to claim 1, characterized in that: A barrel is provided at one end of the filter sleeve (3) and extends to engage with the extrusion channel of the extruder body (1).

3. A screw extruder plastic filter assembly according to claim 1, characterized in that: The installation assembly (4) is provided with a guide rod (42) for sliding assembly with the guide hole (33) of the filter sleeve (3).

4. A screw extruder plastic filter assembly according to claim 1, characterized in that: The sliding channel (32) and the filtering channel (31) are vertically distributed, the size of the sliding channel (32) is adapted to the size of the mounting assembly (4), and the filtering sleeve (3) is seamlessly sleeved with the mounting assembly (4) through the sliding channel (32).

5. A screw extruder plastic filter assembly according to claim 1, characterized in that: The outer clamping plate (61) is the discharge end of the filter element (6), the inner clamping plate (62) is the feed end of the filter element (6), and the end surface of the inner clamping plate (62) is flush with the sliding surface of the mounting assembly (4).

6. A screw extruder plastic filter assembly according to claim 1, characterized in that: The exterior clamping plate (61) and the mounting assembly (4) are magnetically positioned by means of a magnetic attraction block (7), and the magnetic attraction blocks (7) that are magnetically attracted to each other are respectively embedded in the mounting groove (41) and the exterior clamping plate (61).

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