CN113290734A

CN113290734A - PVC granule filter equipment for optic fibre

Info

Publication number: CN113290734A
Application number: CN202110229242.8A
Authority: CN
Inventors: 孙生满
Original assignee: Individual
Current assignee: Shandong Qitai Supply Chain Management Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-08-24
Anticipated expiration: 2041-03-02
Also published as: CN113290734B

Abstract

The invention relates to a filtering device, in particular to a PVC particle filtering device for optical fibers. The PVC particle filtering device for the optical fiber can automatically perform multiple filtering on PVC particles and has high working efficiency. The PVC particle filtering device for the optical fiber comprises a bottom plate and first supporting columns, wherein the first supporting columns are symmetrically arranged on one side of the top of the bottom plate; the roller filtering mechanism is arranged between one side of the top of the bottom plate and the top of the first supporting column; a servo motor is arranged on one part of the roller filtering mechanism; the shaking mechanism is arranged on the roller filtering mechanism. Through the cooperation of cylinder filtering mechanism and shake mechanism, can filter the PVC granule automatically, then collect the PVC granule of variation in size respectively automatically, improve people's work efficiency, through the cooperation of indirect unloading mechanism and rabbling mechanism, can accomplish the intermittent type nature unloading and the stirring to the PVC granule automatically, avoid the PVC granule to block up blanking basket.

Description

PVC granule filter equipment for optic fibre

Technical Field

The invention relates to a filtering device, in particular to a PVC particle filtering device for optical fibers.

Background

The optical fiber pipe wrapping material particles are mainly made of PVC materials, the PVC particles are made of PVC materials through extrusion by a screw extruder, and then the PVC materials are rotated and cut, the optical fiber pipe needs to be subjected to heating treatment on the PVC particle materials in the manufacturing process, and then the PVC particles are packaged after cooling, but some PVC particles are unqualified, and if unqualified PVC particles are not picked out, the problem that the thickness of an extruded optical fiber insulation layer is inconsistent can occur, so that the quality of optical fibers is influenced.

With present technique, the process of screening PVC granule is accomplished by the manual work usually, and the work efficiency of manual work screening PVC granule is not high, and the accuracy is also not high moreover, probably can leak unqualified optic fibre granule to the quality of the optical fiber insulation layer of making people produces the influence, consequently, has designed one kind and can carry out multiple filtration and PVC granule filter equipment for optic fibre that work efficiency is high to the PVC granule automatically.

Disclosure of Invention

In order to overcome the defects of low accuracy and low working efficiency of manual screening of PVC particles, the technical problems to be solved are as follows: the PVC particle filtering device for the optical fiber can automatically perform multiple filtering on PVC particles and has high working efficiency.

The technical scheme is as follows: a PVC particle filtering device for optical fibers comprises:

the support device comprises a bottom plate and first support columns, wherein the first support columns are symmetrically arranged on one side of the top of the bottom plate;

the roller filtering mechanism is arranged between one side of the top of the bottom plate and the top of the first supporting column;

a servo motor is arranged on one part of the roller filtering mechanism;

the shaking mechanism is arranged on the roller filtering mechanism.

As a further preferable mode, the drum filter mechanism includes:

a workbench, wherein the workbench is arranged on one side of the top of the bottom plate;

two second supporting columns are arranged on two sides of the top of the workbench;

a blanking basket for placing PVC particles is arranged between the top of the second support column and the top of the first support column, and one side of the top of the blanking basket is connected with the bottom of the servo motor;

the first rotating shaft is rotatably arranged at the side part of the blanking basket;

the second rotating shaft is rotatably arranged at the side part of the blanking basket and is positioned at one side of the first rotating shaft, and one end of the second rotating shaft is connected with the output shaft of the servo motor;

a first belt pulley set is arranged between the side part of the first rotating shaft and the side part of the second rotating shaft;

the first rotating shaft is provided with a small-hole roller for filtering PVC particles;

the second rotating shaft is provided with a large-hole roller for filtering PVC particles;

the first baffle is arranged on the side part of the blanking basket and positioned between the first rotating shaft and the second rotating shaft;

the first limiting plate is arranged on one side of the bottom of the blanking basket and located on the lower side of the small-hole roller.

As a further preferable mode, the shaking mechanism includes:

a third rotating shaft is arranged on one side of the lower part of the first baffle;

the third rotating shaft is rotatably provided with a filter plate for filtering PVC particles, and the middle part of the filter plate is connected with the first baffle in a sliding manner;

the first springs are uniformly arranged between one side of the bottom of the filter plate and one side of the top of the workbench;

one side of the top of the workbench is symmetrically provided with a discharging hopper for collecting the filtered PVC particles;

the middle of the bottom of the workbench is symmetrically provided with the limiting hoppers;

first cam, first pivot and second pivot lateral part all are equipped with first cam, first cam and filter cooperation.

As a further preferable scheme, the automatic feeding device further comprises an indirect feeding mechanism, wherein the indirect feeding mechanism comprises:

the fourth rotating shaft is rotatably arranged at the side part of the blanking basket;

a second belt pulley set is arranged between the side part of the fourth rotating shaft and the side part of the first rotating shaft;

the side part of the fourth rotating shaft is provided with a second cam;

the side part of the blanking basket is rotatably provided with a fifth rotating shaft which is positioned on the upper side of the fourth rotating shaft;

a second baffle is arranged on the fifth rotating shaft;

a third cam is arranged on the side of the fifth rotating shaft and matched with the second cam;

and a turbine spring is arranged between the side part of the fifth rotating shaft and the side part of the blanking basket.

As a further preferable mode, the apparatus further comprises a stirring mechanism, and the stirring mechanism comprises:

the side part of the blanking basket is rotatably provided with a sixth rotating shaft which is positioned on one side of the fifth rotating shaft;

a third pulley set is arranged between the side part of the sixth rotating shaft and the side part of the fourth rotating shaft;

the blade, be equipped with the blade that is used for stirring the PVC granule in the sixth pivot.

As a further preferable aspect, the apparatus further comprises a blocking mechanism, and the blocking mechanism comprises:

the first fixing blocks are symmetrically arranged on one side of the upper parts of the two sides of the blanking basket;

the pull rods are arranged on the side parts of the first fixing blocks in a sliding mode;

the clamping blocks are arranged at the opposite ends of the pull rods;

a second spring is arranged between one side, away from each other, of each clamping block and one side of the inner wall of the first fixing block on the same side, and the second springs are sleeved on the outer sides of the pull rods on the same side;

the seventh rotating shaft is rotatably arranged at the side part of the blanking basket and is positioned at one side of the second rotating shaft;

a third baffle is arranged on the seventh rotating shaft and matched with the clamping block;

the second fixed blocks are symmetrically arranged on one side of the upper parts of the two sides of the inner wall of the blanking basket;

the sliding rods are arranged on the second fixing blocks in a sliding manner;

the ejector blocks are arranged at one ends of the sliding rods;

and a third spring is arranged between one side of the top block and one side of the second fixed block at the same side, and the third spring is sleeved outside the slide bar at the same side.

As a further preferable mode, the device further comprises a charging mechanism, and the charging mechanism comprises:

a second fixing plate is arranged on one side of the top of the bottom plate;

one side of the second fixing plate is symmetrically provided with a limiting rod;

the middle of one side of the second fixing plate is provided with a clamping rod;

two fourth springs are arranged on two sides of one side of the second fixing plate;

the top plate is arranged between one ends of the fourth springs on the same side;

a charging basket for collecting the filtered PVC particles is arranged between one side of the limiting rod opposite to the limiting rod and one side of the clamping rod in a sliding manner;

the eighth rotating shaft is symmetrically arranged on one side of the upper part of the bottom plate, and the side part of the eighth rotating shaft is connected with one side of the limiting rod on the same side;

the stop lever, the equal rotary type is equipped with the stop lever in the eighth pivot, and the stop lever cooperates with the kelly.

As a further preferable mode, the eighth rotating shaft is cylindrical in shape.

The invention has the following advantages: 1. through the cooperation of cylinder filtering mechanism and shake mechanism, can filter the PVC granule automatically, then collect the PVC granule of variation in size respectively automatically, improve people's work efficiency.

2. Through the cooperation of indirect unloading mechanism and rabbling mechanism, can accomplish the intermittent type nature unloading and the stirring to the PVC granule automatically, avoid the PVC granule to block up the blanking basket.

3. Through stop gear, make things convenient for people to take off the PVC granule of large granule from the macropore cylinder, avoid the PVC granule of large granule to die the macropore cylinder card.

4. Through charging mechanism, can collect the PVC granule of tiny granule automatically, do not need the manual collection of people, make things convenient for people's work.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a first drum filter mechanism according to the present invention.

Fig. 3 is a schematic perspective view of a second drum filter mechanism according to the present invention.

Fig. 4 is a schematic perspective view of the shaking mechanism of the present invention.

Fig. 5 is a schematic perspective view of the indirect blanking mechanism and the stirring mechanism of the present invention.

Fig. 6 is a schematic perspective view of the blocking mechanism of the present invention.

Fig. 7 is a perspective view of the charging mechanism of the present invention.

Wherein: 1-a bottom plate, 2-a first supporting column, 3-a servo motor, 4-a roller filtering mechanism, 41-a second supporting column, 42-a blanking basket, 43-a first belt pulley set, 44-a first rotating shaft, 45-a second rotating shaft, 46-a small hole roller, 47-a large hole roller, 48-a first baffle, 49-a first limiting plate, 410-a workbench, 5-a shaking mechanism, 51-a first spring, 52-a filter plate, 53-a third rotating shaft, 54-a blanking hopper, 55-a limiting hopper, 56-a first cam, 6-an indirect blanking mechanism, 61-a second belt pulley set, 62-a fourth rotating shaft, 63-a second cam, 64-a fifth rotating shaft, 65-a second baffle, 66-a third cam and 67-a turbine spring, 7-stirring mechanism, 71-third pulley group, 72-sixth rotating shaft, 73-blade, 8-blocking mechanism, 81-first fixed block, 82-second spring, 83-pull rod, 84-fixture block, 85-seventh rotating shaft, 86-third baffle, 87-second fixed block, 88-third spring, 89-sliding rod, 810-top block, 9-charging mechanism, 91-second fixed plate, 92-limiting rod, 93-fourth spring, 94-top plate, 95-charging basket, 96-eighth rotating shaft, 97-stop rod and 98-fixture rod.

Detailed Description

The invention is further illustrated by the following specific examples in which, unless otherwise explicitly stated and limited, terms such as: the arrangement, installation, connection are to be understood broadly, for example, they may be fixed, detachable, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The utility model provides a PVC granule filter equipment for optic fibre, as shown in figure 1, including bottom plate 1, first support column 2, servo motor 3, cylinder filter mechanism 4 and shake mechanism 5, the symmetry is equipped with first support column 2 around the 1 top right side of bottom plate, is equipped with cylinder filter mechanism 4 between 1 top left side of bottom plate and the 2 tops of first support column, is equipped with servo motor 3 on certain part of cylinder filter mechanism 4, is equipped with shake mechanism 5 on the cylinder filter mechanism 4.

When people need filter the PVC granule, pour the PVC granule into on certain part of cylinder filtering mechanism 4 earlier on, then start servo motor 3, servo motor 3 output shaft drives cylinder filtering mechanism 4 operation, cylinder filtering mechanism 4 drives the operation of shake mechanism 5, cylinder filtering mechanism 4 filters the PVC granule, shake mechanism 5 filters the PVC granule after filtering once more and collects, the device is repeated the operation, after all PVC granules are all filtered, close servo motor 3 can.

Example 2

On the basis of embodiment 1, as shown in fig. 2, 3, 4 and 5, the drum filtering mechanism 4 includes a second supporting column 41, a blanking basket 42, a first pulley set 43, a first rotating shaft 44, a second rotating shaft 45, a small-hole drum 46, a large-hole drum 47, a first baffle 48, a first limiting plate 49 and a workbench 410, the workbench 410 is disposed on the left side of the top of the bottom plate 1, two second supporting columns 41 are disposed on the front and back sides of the top of the workbench 410, the blanking basket 42 is disposed between the top of the second supporting column 41 and the top of the first supporting column 2, the left portion of the front side of the top of the blanking basket 42 is connected with the bottom of the servo motor 3, the first rotating shaft 44 is rotatably disposed on the left portion of the blanking basket 42, the second rotating shaft 45 is disposed on the left side of the first rotating shaft 44, the front end of the second rotating shaft 45 is connected with the output shaft of the servo motor 3, the first pulley set 43 is disposed between the front portion of the first rotating shaft 44 and the front portion of the second rotating shaft 45, be equipped with aperture cylinder 46 on the first pivot 44, be equipped with macropore cylinder 47 on the second pivot 45, the unloading basket 42 left part is equipped with first baffle 48, and first baffle 48 is located between first pivot 44 and the second pivot 45, and unloading basket 42 bottom left side is equipped with first limiting plate 49, and first limiting plate 49 is located aperture cylinder 46 downside.

When people need to filter PVC particles, firstly, the PVC particles are completely poured into the blanking basket 42, the PVC particles roll to the left and fall onto the small-hole roller 46, then the servo motor 3 is started, the output shaft of the servo motor 3 drives the second rotating shaft 45 to rotate, the second rotating shaft 45 drives the large-hole roller 47 to rotate, meanwhile, the second rotating shaft 45 drives the first rotating shaft 44 to rotate through the first belt pulley group 43, the first rotating shaft 44 drives the small-hole roller 46 to rotate, the small-hole roller 46 and the large-hole roller 47 filter the PVC particles, the small-hole roller 46 transmits the PVC particles with smaller particles downwards, the small-hole roller 46 transmits the PVC particles with larger particles to the left, the large-hole roller 47 transmits the PVC particles with larger particles downwards, the first baffle plate 48 can prevent the PVC particles with different particle sizes from being mixed again, the first limiting plate 49 plays a role in guiding, and the PVC particles with smaller particles from falling onto the ground when being transmitted downwards, and when all PVC particles are filtered, the servo motor 3 is closed.

Shaking mechanism 5 is including first spring 51, filter 52, third pivot 53, lower hopper 54, spacing fill 55 and first cam 56, first baffle 48 lower part front side is equipped with third pivot 53, the last rotation type of third pivot 53 is equipped with filter 52, filter 52 middle part and first baffle 48 sliding connection, evenly be equipped with first spring 51 between filter 52 bottom rear side and the workstation 410 top rear side, workstation 410 top front side bilateral symmetry is equipped with down hopper 54, bilateral symmetry is equipped with spacing fill 55 in the middle of the workstation 410 bottom, first pivot 44 and second pivot 45 rear portion all are equipped with first cam 56, first cam 56 cooperates with filter 52.

The PVC granule after aperture cylinder 46 and the macropore cylinder 47 will filter down transmits to the filter 52 on, first pivot 44 and second pivot 45 drive first cam 56 and rotate this moment, when the bellied one side of first cam 56 and filter 52 contact, drive filter 52 and down rotate, first spring 51 compression, when bellied one side of first cam 56 and filter 52 separate, first spring 51 reconversion, under first spring 51's effect, it resets to drive filter 52 up to rotate, thereby drive filter 52 and reciprocate to rock from top to bottom, filter 52 filters the PVC granule, the PVC granule that the granule is littleer drops down from spacing fill 55, stay PVC granule on filter 52 and roll forward in falling to hopper 54 down.

The indirect blanking mechanism 6 is further included, the indirect blanking mechanism 6 comprises a second belt pulley set 61, a fourth rotating shaft 62, a second cam 63, a fifth rotating shaft 64, a second baffle 65, a third cam 66 and a turbine spring 67, the right part of the blanking basket 42 is rotatably provided with the fourth rotating shaft 62, the second belt pulley set 61 is arranged between the front part of the fourth rotating shaft 62 and the front part of the first rotating shaft 44, the second cam 63 is arranged on the front part of the fourth rotating shaft 62, the fifth rotating shaft 64 is rotatably arranged on the right part of the blanking basket 42, the fifth rotating shaft 64 is positioned on the upper side of the fourth rotating shaft 62, the second baffle 65 is arranged on the fifth rotating shaft 64, the third cam 66 is arranged on the front part of the fifth rotating shaft 64, the third cam 66 is matched with the second cam 63, and the turbine spring 67 is arranged between the front part of the fifth rotating shaft 64 and the right side of the front part of the blanking basket 42.

When people need to filter PVC particles, the PVC particles are firstly poured into the blanking basket 42, under the action of the second baffle plate 65, the PVC particles cannot roll down to the left, when the first rotating shaft 44 rotates, the second belt pulley group 61 drives the fourth rotating shaft 62 and the second cam 63 to rotate, when the second cam 63 contacts with the third cam 66, the fifth rotating shaft 64 and the second baffle plate 65 are driven to rotate, the turbine spring 67 deforms, the blanking basket 42 is not blocked by the second baffle plate 65 at the moment, the PVC particles can roll down to the left on the small-hole roller 46, when the second cam 63 is separated from the third cam 66, the turbine spring 67 restores to the original state, under the action of the turbine spring 67, the third cam 66, the fifth rotating shaft 64 and the second baffle plate 65 are driven to rotate and restore, and the blanking basket 42 is continuously blocked by the second baffle plate 65.

Example 3

Based on embodiment 2, as shown in fig. 5, 6 and 7, the stirring device 7 further includes a stirring mechanism 7, the stirring mechanism 7 includes a third pulley set 71, a sixth rotating shaft 72 and a blade 73, the sixth rotating shaft 72 is rotatably disposed at the right portion of the blanking basket 42, the sixth rotating shaft 72 is located at the right side of the fifth rotating shaft 64, the third pulley set 71 is disposed between the front portion of the sixth rotating shaft 72 and the front portion of the fourth rotating shaft 62, and the blade 73 is disposed on the sixth rotating shaft 72.

When the fourth rotating shaft 62 rotates, the third pulley group 71 drives the sixth rotating shaft 72 and the blades 73 to rotate, and the blades 73 stir the PVC particles in the feeding basket 42, so as to prevent the PVC particles from being blocked by the second blocking plate 65.

The blanking basket further comprises a blocking mechanism 8, the blocking mechanism 8 comprises a first fixing block 81, a second spring 82, a pull rod 83, a clamping block 84, a seventh rotating shaft 85, a third baffle 86, a second fixing block 87, a third spring 88, a sliding rod 89 and a top block 810, the first fixing block 81 is symmetrically arranged on the left side of the upper portion of the front side and the rear side of the blanking basket 42, the pull rod 83 is arranged on the left portion of the first fixing block 81 in a sliding mode, the clamping block 84 is arranged at one end, opposite to the pull rod 83, of the clamping block 84, the second spring 82 is arranged between one side, far away from the clamping block 84, of the inner wall of the first fixing block 81 on the same side, the second spring 82 is sleeved on the outer side of the pull rod 83 on the same side, the seventh rotating shaft 85 is rotatably arranged on the left portion of the blanking basket 42, the seventh rotating shaft 85 is located on the left side of the second rotating shaft 45, the third baffle 86 is arranged on the seventh rotating shaft 85, the third baffle 86 is matched with the clamping block 84, the second fixing block 87 is symmetrically arranged on the left side of the upper portion of the front side and rear side of the inner wall of the blanking basket 42, all be equipped with slide bar 89 on the second fixed block 87 slidingtype, slide bar 89 left end all is equipped with kicking block 810, is equipped with third spring 88 between the second fixed block 87 left side of kicking block 810 right side and homonymy, and third spring 88 all overlaps in the slide bar 89 outside of homonymy.

After all PVC particles are filtered, the pull rod 83 is manually pulled to one side far away from each other, the pull rod 83 drives the fixture block 84 to move to one side far away from each other, the second spring 82 is compressed, the fixture block 84 is separated from the third baffle 86 at the moment, the third spring 88 restores to the original state, under the action of the third spring 88, the slide rod 89 and the ejector block 810 are driven to move to the left, the ejector block 810 drives the third baffle 86 to rotate to the left, then the pull rod 83 is loosened, the second spring 82 restores to the original state, under the action of the second spring 82, the pull rod 83 and the fixture block 84 are driven to move to one side close to each other and reset, at the moment, the PVC particles left on the large-hole roller 47 can be cleaned, after the cleaning is finished, the third baffle 86 is manually rotated to the right and reset, when the third baffle 86 is in contact with the fixture block 84, the pull rod 83 and the fixture block 84 are driven to move to one side far away from each other, the second spring 82 is compressed, and when the third baffle 86 is in contact with the ejector block 810, the sliding rod 89 and the ejector block 810 are driven to move rightwards, the third spring 88 is compressed, when the third baffle 86 and the fixture block 84 are separated again, the second spring 82 is restored, the pull rod 83 and the fixture block 84 are driven to move towards one side close to each other to reset under the action of the second spring 82, and the fixture block 84 fixes the position of the third baffle 86 at the moment.

Still including charging mechanism 9, charging mechanism 9 is including second fixed plate 91, gag lever post 92, fourth spring 93, roof 94, charging basket 95, eighth pivot 96, pin 97 and

kelly

98, 1 top front side left part of bottom plate is equipped with second fixed plate 91, second fixed plate 91 rear side bilateral symmetry is equipped with gag lever post 92, be equipped with kelly 98 in the middle of second fixed plate 91 rear side, the left and right sides of second fixed plate 91 rear side all is equipped with two fourth springs 93, all be equipped with roof 94 between the fourth spring 93 rear end of homonymy, the relative one side of gag lever post 92 all with the slidingtype between kelly 98 one side be equipped with charging basket 95, the left part bilateral symmetry of 1 upper portion rear side of bottom plate is equipped with eighth pivot 96, eighth pivot 96 front portion all is connected with the gag lever post 92 rear portion of homonymy, equal rotary type is equipped with pin 97 in the eighth pivot 96, pin 97 and kelly 98 cooperation.

The PVC granule that the granule is littleer down drops to in the basket 95 of feeding from spacing fill 55, after all PVC granules are all filtered, manual move pin 97 up the rotation, pin 97 and the separation of kelly 98 this moment, pin 97 no longer blocks basket 95 of feeding, fourth spring 93 reconversion, under the effect of fourth spring 93, drive roof 94 backward movement, roof 94 promotes basket 95 backward of feeding, make things convenient for people to collect the PVC granule in the basket 95 of feeding, after the collection is accomplished, manual basket 95 of feeding forward promotes to reset, basket 95 of feeding drives roof 94 forward movement and resets, fourth spring 93 compresses, then manual down rotate pin 97 and reset, make pin 97 again with the joint of kelly 98, the position of basket 95 of feeding is fixed to pin 97 this moment.

It should be understood that the above description is for exemplary purposes only and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention are intended to be included within the scope of the claims herein.

Claims

1. A PVC particle filter device for optical fiber is characterized by comprising:

the supporting device comprises a bottom plate (1) and first supporting columns (2), wherein the first supporting columns (2) are symmetrically arranged on one side of the top of the bottom plate (1);

the roller filtering mechanism (4) is arranged between one side of the top of the bottom plate (1) and the top of the first supporting column (2);

a servo motor (3) is arranged on one part of the roller filtering mechanism (4);

the shaking mechanism (5) is arranged on the roller filtering mechanism (4).

2. The PVC granular filter for optical fiber according to claim 1, wherein the roller filter mechanism (4) comprises:

the workbench (410), and the workbench (410) is arranged on one side of the top of the bottom plate (1);

two second supporting columns (41) are arranged on two sides of the top of the workbench (410);

a blanking basket (42), wherein a blanking basket (42) for placing PVC particles is arranged between the top of the second supporting column (41) and the top of the first supporting column (2), and one side of the top of the blanking basket (42) is connected with the bottom of the servo motor (3);

the first rotating shaft (44) is rotatably arranged on the side part of the blanking basket (42);

the second rotating shaft (45) is rotatably arranged on the side part of the blanking basket (42), the second rotating shaft (45) is positioned on one side of the first rotating shaft (44), and one end of the second rotating shaft (45) is connected with an output shaft of the servo motor (3);

a first pulley set (43), wherein a first pulley set (43) is arranged between the side part of the first rotating shaft (44) and the side part of the second rotating shaft (45);

the first rotating shaft (44) is provided with a small-hole roller (46) for filtering PVC particles;

the second rotating shaft (45) is provided with a large-hole roller (47) for filtering PVC particles;

the first baffle (48) is arranged on the side part of the blanking basket (42), and the first baffle (48) is positioned between the first rotating shaft (44) and the second rotating shaft (45);

the first limiting plate (49) is arranged on one side of the bottom of the blanking basket (42), and the first limiting plate (49) is located on the lower side of the small-hole roller (46).

3. The PVC particle filter for optical fiber according to claim 2, wherein the shaking mechanism (5) comprises:

a third rotating shaft (53), wherein one side of the lower part of the first baffle (48) is provided with the third rotating shaft (53);

the filter plate (52) is rotationally arranged on the third rotating shaft (53) and used for filtering PVC particles, and the middle part of the filter plate (52) is connected with the first baffle (48) in a sliding manner;

the first springs (51) are uniformly arranged between one side of the bottom of the filter plate (52) and one side of the top of the workbench (410);

a discharging hopper (54), wherein one side of the top of the workbench (410) is symmetrically provided with the discharging hopper (54) for collecting the filtered PVC particles;

the middle of the bottom of the workbench (410) is symmetrically provided with the limiting hoppers (55);

first cam (56), first pivot (44) and second pivot (45) lateral part all are equipped with first cam (56), and first cam (56) and filter (52) cooperation.

4. The PVC particle filtering device for the optical fiber according to claim 3, further comprising an indirect blanking mechanism (6), wherein the indirect blanking mechanism (6) comprises:

the fourth rotating shaft (62) is rotatably arranged on the side part of the blanking basket (42);

a second pulley set (61), wherein a second pulley set (61) is arranged between the side part of the fourth rotating shaft (62) and the side part of the first rotating shaft (44);

a second cam (63), wherein the side part of the fourth rotating shaft (62) is provided with the second cam (63);

the side part of the blanking basket (42) is rotatably provided with a fifth rotating shaft (64), and the fifth rotating shaft (64) is positioned on the upper side of the fourth rotating shaft (62);

the second baffle plate (65) is arranged on the fifth rotating shaft (64);

the third cam (66) is arranged on the side part of the fifth rotating shaft (64), and the third cam (66) is matched with the second cam (63);

and a turbine spring (67) is arranged between the side part of the fifth rotating shaft (64) and the side part of the blanking basket (42).

5. The PVC particle filtering device for the optical fiber according to claim 4, further comprising a stirring mechanism (7), wherein the stirring mechanism (7) comprises:

the lateral part of the blanking basket (42) is rotatably provided with the sixth rotating shaft (72), and the sixth rotating shaft (72) is positioned on one side of the fifth rotating shaft (64);

a third pulley group (71), wherein a third pulley group (71) is arranged between the side part of the sixth rotating shaft (72) and the side part of the fourth rotating shaft (62);

the blades (73) are arranged on the sixth rotating shaft (72) and used for stirring PVC particles.

6. The PVC particle filtering device for optical fiber according to claim 5, further comprising a blocking mechanism (8), wherein the blocking mechanism (8) comprises:

the first fixing blocks (81) are symmetrically arranged on one side of the upper parts of the two sides of the blanking basket (42);

the pull rods (83) are arranged on the side parts of the first fixing blocks (81) in a sliding mode;

the clamping blocks (84) are arranged at the opposite ends of the pull rods (83);

the second springs (82) are arranged between the sides, away from each other, of the fixture blocks (84) and one side of the inner wall of the first fixing block (81) on the same side, and the second springs (82) are sleeved on the outer sides of the pull rods (83) on the same side;

the seventh rotating shaft (85) is rotatably arranged on the side part of the blanking basket (42), and the seventh rotating shaft (85) is positioned on one side of the second rotating shaft (45);

a third baffle (86), a third baffle (86) is arranged on the seventh rotating shaft (85), and the third baffle (86) is matched with the clamping block (84);

the second fixing blocks (87) are symmetrically arranged on one side of the upper parts of the two sides of the inner wall of the blanking basket (42);

the sliding rods (89) are arranged on the second fixing block (87) in a sliding manner;

the ejection block (810) is arranged at one end of each sliding rod (89);

and a third spring (88) is arranged between one side of the top block (810) and one side of the second fixed block (87) on the same side, and the third spring (88) is sleeved outside the sliding rod (89) on the same side.

7. The PVC granular filter for optical fiber according to claim 6, further comprising a charging mechanism (9), wherein the charging mechanism (9) comprises:

a second fixing plate (91), wherein the second fixing plate (91) is arranged on one side of the top of the bottom plate (1);

the limiting rods (92) are symmetrically arranged on one side of the second fixing plate (91);

the middle of one side of the second fixing plate (91) is provided with a clamping rod (98);

two fourth springs (93) are arranged on two sides of one side of the second fixing plate (91);

the top plate (94) is arranged between one ends of the fourth springs (93) on the same side;

a charging basket (95) for collecting the filtered PVC particles is arranged between one side of the limiting rod (92) opposite to the clamping rod (98) in a sliding manner;

the eighth rotating shaft (96) is symmetrically arranged on one side of the upper part of the bottom plate (1), and the side part of the eighth rotating shaft (96) is connected with one side of the limiting rod (92) on the same side;

the stop lever (97) is rotationally arranged on the eighth rotating shaft (96), and the stop lever (97) is matched with the clamping rod (98).

8. The PVC granular filter for optical fiber according to claim 7, wherein the eighth shaft (96) is cylindrical in shape.