阅读说明：本技术 一种新型塑料挤出机的过滤装置 (Novel filtering device of plastic extruder ) 是由 林翠荣 于 2019-10-16 设计创作，主要内容包括：本发明涉及塑料挤出机技术领域,且公开了一种新型塑料挤出机的过滤装置,包括转盘,所述转盘的内部开设有环形槽,转盘的内部设置有环形斜台,转盘的内部开设有通孔,出料管的左端连接有过滤板,过滤板的外侧开设有与卡紧柱对应的凹槽,转盘内部连接有滑动杆,第二滑块的左端连接有L型杆。通过融化的塑料对过滤板的挤压,过滤板推动出料管移动,出料管带动L型杆向右移动,U型滑槽内的气体推动滑动杆向左移动,滑动杆推动支撑杆,此时转盘转动,当输料管移动到下一通孔的位置时,输料管与通孔插接在一起完成了过滤板的更换,本装置解决了现有塑料挤出机的过滤单元工作效率低和过滤单元易变形的问题。(The invention relates to the technical field of plastic extruders and discloses a novel filtering device of a plastic extruder, which comprises a rotary table, wherein an annular groove is formed in the rotary table, an annular inclined table is arranged in the rotary table, a through hole is formed in the rotary table, the left end of a discharging pipe is connected with a filtering plate, a groove corresponding to a clamping column is formed in the outer side of the filtering plate, a sliding rod is connected in the rotary table, and the left end of a second sliding block is connected with an L-shaped rod. Through the extrusion of the plastics that melt to the filter plate, the filter promotes the discharging pipe and removes, and the discharging pipe drives L type pole and moves right, and the gaseous slide bar that promotes in the U type spout moves left, and the slide bar promotes the bracing piece, and the carousel rotates this moment, and when the conveying pipeline moved the position of next through-hole, the change of filter has been accomplished with the through-hole grafting together to the conveying pipeline, and the filter unit work efficiency who has solved current plastics extruder is low and the yielding problem of filter unit.)

1. The utility model provides a novel plastics extruder's filter equipment, includes carousel (1), its characterized in that: the inner part of the rotary table (1) is provided with an annular groove (101), the inner part of the rotary table (1) and the annular groove (101) are uniformly provided with annular sloping platforms (1011), the inner part of the rotary table (1) and the annular groove (101) are all provided with through holes (102), the inner part of the rotary table (1) and the two sides of the annular groove (101) are provided with U-shaped chutes (103), the middle part of the rotary table (1) is fixedly connected with a first rotating shaft (2), the left side of the upper part of the rotary table (1) is slidably connected with a material conveying pipe (3), the upper part of the rotary table (1) is slidably connected with a material discharging pipe (4), the left end of the material discharging pipe (4) is provided with a clamping column (401), the left end of the material discharging pipe (4) is fixedly connected with a filter plate (5) at the position of the clamping column (401), the outer side of the filter plate (5) is provided with a groove (, arc wall (601) have been seted up on the right surface of bracing piece (6), inside and outside sliding connection at U type spout (103) of carousel (1) has slide bar (7), the first slider (8) of right-hand member fixedly connected with of slide bar (7), inside and inboard sliding connection at U type spout (103) of carousel (1) has second slider (9), the left end fixedly connected with L type pole (10) of second slider (9), the internal rotation of conveying pipeline (3) is connected with second pivot (11), the outside fixedly connected with annular blade (1101) of second pivot (11).

2. The filtering device of the novel plastic extruder as claimed in claim 1, wherein: the distance between the inner ring and the outer ring of the annular groove (101) is matched with the diameter of the through hole (102) and the diameter of the outer side of the material conveying pipe (3).

3. The filtering device of the novel plastic extruder as claimed in claim 1, wherein: the diameter of the filter plate (5) is larger than the diameter of the outer side of the material conveying pipe (3).

4. The filtering device of the novel plastic extruder as claimed in claim 1, wherein: the outside diameter of the discharge pipe (4) is larger than that of the filter plate (5).

5. The filtering device of the novel plastic extruder as claimed in claim 1, wherein: the right end diameter of the filter plate (5) is adapted to the inner side diameter of the discharge pipe (4).

6. The filtering device of the novel plastic extruder as claimed in claim 1, wherein: the clamping column (401) is matched with the groove (501) mutually.

7. The filtering device of the novel plastic extruder as claimed in claim 1, wherein: the distance between the outer side and the inner side of the arc-shaped groove (601) is matched with the diameter of the sliding rod (7).

8. The filtering device of the novel plastic extruder as claimed in claim 1, wherein: the upper part and the lower part of the U-shaped sliding groove (103) are respectively adapted to the first sliding block (8) and the second sliding block (9).

Technical Field

The invention relates to the technical field of plastic extruders, in particular to a novel filtering device of a plastic extruder.

Background

The main machine of the plastic extruder is an extruding machine which consists of an extruding system, a transmission system and a heating and cooling system, and the plastic extruder can be divided into a single-screw extruder, a double-screw extruder and a multi-screw extruder according to the number of screws of the plastic extruder. At present, a single-screw extruder is most widely applied and is suitable for extrusion processing of common materials; the double screw extruder has less heat produced by friction, homogeneous material shearing, great screw conveying capacity, stable extrusion amount, long material staying length inside the machine barrel, and homogeneous mixing.

In-process at plastics by the extrusion, the plastics that melt will be filtered through the filter unit, be provided with the filter screen among the filter unit, but along with residue and debris on the filter screen and constantly increase, the filtration flux of filter screen can be littleer and littleer, along with extruding the continuous output of screw rod, the filter unit will be extruded deformation to lead to work efficiency low and filter unit's damage, the inconvenient change of filter unit and the washing that have now moreover, we provide a novel plastics extruder's filter equipment for solving this problem.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a novel filtering device of a plastic extruder, which has the advantages of high working efficiency, reduction of deformation of a filtering unit, convenience in replacement and cleaning and automatic replacement of a filter screen, and solves the problems of low working efficiency of the filtering unit, easy deformation of the filtering unit, inconvenience in replacement and cleaning of the filtering unit of the conventional plastic extruder.

(II) technical scheme

In order to achieve the purposes of high working efficiency, reduction of deformation of the filtering unit, convenience in replacement and cleaning and automatic replacement of the filter screen, the invention provides the following technical scheme: a novel filtering device of a plastic extruder comprises a rotary table, wherein a ring groove is formed in the rotary table, ring-shaped inclined platforms are uniformly arranged in the rotary table and in the ring groove, through holes are formed in the rotary table and in the ring groove, U-shaped sliding grooves are formed in the rotary table and on two sides of the ring groove, a first rotating shaft is fixedly connected to the middle of the rotary table, a conveying pipeline is slidably connected to the left side of the upper portion of the rotary table, a side of the upper portion of the rotary table is slidably connected with a discharging pipe, a clamping column is arranged at the left end of the discharging pipe, a filter plate is fixedly connected to the left end of the discharging pipe and on the position of the clamping column, a groove corresponding to the clamping column is formed in the outer side of the filter plate, supporting rods are fixedly connected to the upper side and the lower side of the right portion of the conveying pipeline, an arc-shaped groove is formed, the rotary table is internally and slidably connected with a second sliding block at the inner side of the U-shaped sliding groove, the left end of the second sliding block is fixedly connected with an L-shaped rod, a second rotating shaft is connected in the conveying pipeline, and an annular blade is fixedly connected to the outer side of the second rotating shaft.

Preferably, the distance between the inner ring and the outer ring of the annular groove is matched with the diameter of the through hole and the diameter of the outer side of the material conveying pipe.

Preferably, the diameter of the filter plate is larger than the diameter of the outer side of the conveying pipe, so that peripheral slurry of the conveying pipe is effectively contacted with the filter plate.

Preferably, the outer diameter of the discharge pipe is greater than the maximum outer diameter of the filter plate, so that the filter plate can be mounted easily.

Preferably, the minimum diameter of the right end of the filter plate is adapted to the diameter of the inner side of the discharge pipe, and the filter plate is gradually reduced, so that the filtered slurry is solidified, and air is prevented from entering the filter plate.

Preferably, the clamping columns are matched with the grooves, so that the stability of the filter plate is guaranteed.

Preferably, the distance between the outer side and the inner side of the arc-shaped groove is adaptive to the diameter of the sliding rod, so that the sliding rod can move relative to the arc-shaped groove conveniently.

Preferably, the upper part and the lower part of the U-shaped sliding groove are respectively matched with the first sliding block and the second sliding block, so that the sealing performance of air compression inside the U-shaped sliding groove is guaranteed.

(III) advantageous effects

Compared with the prior art, the invention provides a novel filtering device of a plastic extruder, which has the following beneficial effects:

1. the filtering device of the novel plastic extruder drives the annular blade to rotate through the second rotating shaft, the annular blade pushes the melted plastic to move rightwards along the material conveying pipe, the melted plastic enters the filter plate to be filtered, when the impurities on the filter plate are excessive, the flow of the melted plastic passing through the filter plate is reduced, but because of the normal output of the second rotating shaft, the melted plastic increases the extrusion on the filter plate, the filter plate pushes the discharge pipe to move, the discharge pipe drives the L-shaped rod to move rightwards, the L-shaped rod extrudes the gas in the U-shaped chute through the second sliding block, the gas in the U-shaped chute pushes the sliding rod to move leftwards, the sliding rod pushes the supporting rod, thereby driving the material conveying pipe to move leftwards, when the lower end of the material conveying pipe is level with the annular groove, the rotary table melts the extrusion of the plastic in the material conveying pipe, the rotary table continues, when the conveying pipe moves to the position of the next through hole, the conveying pipe is inserted into the through hole, and the filter plate is automatically replaced within the range capable of bearing pressure.

2. This novel plastics extruder's filter equipment is through chucking post and the mutual adaptation of recess to guarantee the steadiness of filter, the right-hand member minimum diameter of filter suits with the inboard diameter of discharging pipe, and the diminishing gradually of filter, thereby guarantees that the ground paste after the filtration is solid, has avoided the entering of air.

3. This novel plastics extruder's filter equipment through setting up a plurality of through-holes and filter on the carousel, and along with the change of new filter, original filter is rotated out, and at this moment, the staff can be very convenient original filter wash and change to the inconvenient problem of wasing and whole change of filter unit of current plastics extruder has been solved.

Drawings

FIG. 1 is a schematic view of the overall front structure of the present invention;

FIG. 2 is a schematic top view of the turntable according to the present invention;

FIG. 3 is a cross-sectional view of the structure of FIG. 2 taken along line A-A thereof in accordance with the present invention;

FIG. 4 is a cross-sectional view of the structure of FIG. 2 taken along line B-B in accordance with the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 3 at C according to the present invention;

fig. 6 is an enlarged view of the structure of fig. 3 according to the present invention.

In the figure: 1 rotary table, 101 annular groove, 1011 annular sloping platform, 102 through holes, 103U-shaped sliding groove, 2 first rotating shaft, 3 conveying pipeline, 4 discharging pipe, 401 clamping column, 5 filter plate, 501 groove, 6 supporting rod, 601 arc-shaped groove, 7 sliding rod, 8 first sliding block, 9 second sliding block, 10L-shaped rod, 11 second rotating shaft and 1101 annular blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-6, a novel filtering device of plastic extruder, comprising a rotary table 1, a circular groove 101 is provided inside the rotary table 1, a circular sloping platform 1011 is uniformly provided inside the rotary table 1 and inside the circular groove 101, a through hole 102 is provided inside the rotary table 1 and inside the circular groove 101, U-shaped chutes 103 are provided inside the rotary table 1 and on both sides of the circular groove 101, a first rotating shaft 2 is fixedly connected to the middle of the rotary table 1, a material conveying pipe 3 is slidably connected to the left side of the upper portion of the rotary table 1, and the distance between the inner and outer rings of the circular groove 101 is adapted to the diameter of the through hole 102 and the outside diameter of the material conveying pipe 3. There is side sliding connection in the upper portion of carousel 1 to have discharging pipe 4, chucking post 401 has been seted up to the left end of discharging pipe 4, the left end of discharging pipe 4 and the fixed position at chucking post 401 is connected with filter 5, the diameter of filter 5 is greater than the outside diameter of conveying pipeline 3, thereby guarantee that the peripheral ground paste of conveying pipeline 3 effectively contacts with filter 5, the outside diameter of discharging pipe 4 is greater than the outside maximum diameter of filter 5, thereby be favorable to the installation of filter 5. Recess 501 that corresponds with chucking post 401 is seted up in the outside of filter 5, chucking post 401 and the mutual adaptation of recess 501 to guarantee the steadiness of filter 5, the right-hand member minimum diameter of filter 5 suits with the inboard diameter of discharging pipe 4, and the reducing gradually of filter 5, thereby guarantees that the ground paste after the filtration is congealed the reality, has avoided the entering of air.

Equal fixedly connected with bracing piece 6 of downside on the right part of conveying pipeline 3, arc wall 601 has been seted up on the right surface of bracing piece 6, and inside and in the outside sliding connection of U type spout 103 of carousel 1 there is slide bar 7, distance between the outside of arc wall 601 and the inboard diameter and the diameter of slide bar 7 are adapted to each other, make things convenient for the relative arc wall 601's of slide bar 7 removal. The right end of the sliding rod 7 is fixedly connected with a first sliding block 8, a second sliding block 9 is connected inside the rotary table 1 and on the inner side of the U-shaped sliding groove 103 in a sliding mode, and the upper portion and the lower portion of the U-shaped sliding groove 103 are respectively matched with the first sliding block 8 and the second sliding block 9, so that the sealing performance of air compression inside the U-shaped sliding groove 103 is guaranteed. The left end of the second slider 9 is fixedly connected with an L-shaped rod 10, the feeding pipe 3 rotates in a second rotating shaft 11, the outer side of the second rotating shaft 11 is fixedly connected with an annular blade 1101, and the second rotating shaft 11 and the feeding pipe 3 are integrally provided with a spring which enables the feeding pipe to move leftwards at the left end.

The working principle is as follows: the filtering device of the novel plastic extruder is characterized in that when the filtering device works, the annular blade 1101 is driven to rotate by the second rotating shaft 11, the annular blade 1101 pushes molten plastic to move rightwards along the material conveying pipe 3, the molten plastic enters the filter plate 5 to be filtered, when impurities on the filter plate 5 are excessive, the flow of the molten plastic passing through the filter plate 5 is reduced, but due to the normal output of the second rotating shaft 11, the molten plastic can increase the extrusion on the filter plate 5, the filter plate 5 pushes the material discharging pipe 4 to move, the material discharging pipe 4 drives the L-shaped rod 10 to move rightwards, the L-shaped rod 10 extrudes gas in the U-shaped chute 103 through the second sliding block 9, the gas in the U-shaped chute 103 pushes the sliding rod 7 to move leftwards, the sliding rod 7 pushes the supporting rod 6, so as to drive the material conveying pipe 3 to move leftwards, when the lower end of the material conveying pipe 3 is level with the annular groove 101, the plastic extruder continues to move along the annular inclined table 1011, the rotary table 1 rotates at the moment, when the conveying pipeline 3 moves to the position of the next through hole 102, the conveying pipeline 3 is inserted into the through hole 102, the filter plate 5 is automatically replaced within the range capable of bearing pressure, and the structure solves the problems that the replacement time of the filter unit of the existing plastic extruder is too long and the filter unit is easy to damage, so that the working efficiency of the plastic extruder is improved. Meanwhile, the plurality of through holes 102 and the filter plates 5 are formed in the rotary table 1, and the original filter plates 5 are rotated out along with the replacement of the new filter plates 5, so that the original filter plates 5 can be conveniently cleaned and replaced by workers, and the problems that the filter units of the existing plastic extruder are inconvenient to clean and integrally replace are solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.