CN113172860A

CN113172860A - Anti-blocking plastic extruder

Info

Publication number: CN113172860A
Application number: CN202110449724.4A
Authority: CN
Inventors: 虞伟明
Original assignee: Guangzhou Tuokang Decoration Material Co ltd
Current assignee: Guangzhou Tuokang Decoration Material Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-07-27

Abstract

The invention relates to an anti-blocking plastic extruder, which comprises a main body, an extruding device, two supporting legs, an impurity removing mechanism and two anti-blocking mechanisms, the impurity removing mechanism comprises an impurity removing net, two limiting components, two fixing blocks and two first springs, the anti-blocking mechanism comprises a fixed pipe, a fixed plate, a filter screen, an air exhaust component, an exhaust pipe, a driving component and two vibration components, the anti-blocking plastic extruder realizes the purpose of impurity removal through the impurity removal mechanism, reduces the impurity content of the materials in the main body, thereby improving the quality of finished products and the reliability of equipment, forming air pressure difference inside and outside the main body through the anti-blocking mechanism, and providing a downward force for materials accumulated in the feeding pipe, thereby be convenient for the inside of the leading-in main part of material in the feeding, reduced the probability that blocking phenomenon appears, prevent to influence unloading work.

Description

Anti-blocking plastic extruder

Technical Field

The invention relates to the field of plastic extruders, in particular to an anti-blocking plastic extruder.

Background

In the plastic extrusion molding equipment, the plastic extruder is generally called a main machine, and the subsequent equipment matched with the plastic extruder is called an auxiliary machine. After the development of the plastic extruder for more than 100 years, multiple types of double screws, multiple screws and even no screws and the like are derived from the original single screw. The plastic extruder (main machine) can be matched with various plastic forming auxiliary machines for pipe material, film, bar material, monofilament, flat filament, packing belt, extruding net, plate (sheet) material, profiled bar, granulating and cable covering, etc. to form various plastic extrusion forming production lines to produce various plastic products. Therefore, the plastic extrusion molding machine is one of the machines widely used in the plastic processing industry at present or in the future.

When current plastic extruder is using, when too much plastic materials was once added to the main part, can lead to the raw materials to gather in the inlet tube to cause the jam of inlet tube, influence reinforced efficiency, moreover, current plastic extruder contains more impurity in the during operation in the raw materials, thereby has reduced the quality of raw materials, thereby has influenced the quality of extruding finished product, has reduced current plastic extruder's reliability.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the anti-blocking plastic extruder is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: the anti-blocking plastic extruder comprises a main body, an extrusion device and two supporting legs, wherein the two supporting legs are respectively connected with two sides below the main body;

the impurity removing mechanism comprises an impurity removing net, two limiting assemblies, two fixing blocks and two first springs, the impurity removing net is arranged inside the feeding pipe and is in sealed sliding connection with the inner wall of the feeding pipe, notches are formed in the two sides of the impurity removing net and correspond to the limiting assemblies one by one, the fixing blocks are connected with the inner wall of the feeding pipe, the two fixing blocks are symmetrically arranged relative to the axis of the feeding pipe, the fixing blocks are arranged below the filter screen, the two ends of each first spring are connected with the lower portion of the filter screen and the upper portion of the corresponding fixing block respectively, and the first springs are in a compressed state;

the anti-blocking mechanism comprises fixed pipes, a fixed plate, a filter screen, an air exhaust component, an exhaust pipe, a driving component and two vibration components, wherein the two fixed pipes are respectively vertically arranged at two sides above the main body, the fixed pipe is communicated with the main body, the filter screen is connected with the inner wall of one end of the fixed pipe, the fixed plate is connected with the inner wall of the other end of the fixed pipe, the air exhaust component is arranged above the filter screen, one end of the exhaust pipe is communicated with the inside of the fixed pipe, the other end of the exhaust pipe is connected with a driving component, the driving component is connected with a vibration component, one end of the fixed pipe close to the main body and the exhaust pipe are both provided with one-way valves which are electrically connected with the PLC, two grooves are formed in the upper portion of the main body, the grooves correspond to the anti-blocking mechanisms one by one, and the two vibration assemblies are arranged on two sides of the grooves respectively;

the vibration assembly comprises a vibration rod and a vibration plate, one end of the vibration rod is connected with the driving assembly, and the other end of the vibration rod is connected with the vibration plate.

As preferred, for the position of restriction edulcoration net, spacing subassembly includes stopper, stay cord, arm-tie, sealing ring and second spring, be equipped with two perforations on the inlet pipe, be equipped with two through holes in the main part, perforation and through hole one-to-one, perforation and spacing subassembly one-to-one, perforation and through hole intercommunication, the stopper sets up in the notch, the one end of stay cord is connected with one side of stopper, the other end of stay cord passes in proper order and perforates and the through hole is connected with the arm-tie, the arm-tie supports and leans on the top at the main part, the periphery of sealing ring and the fenestrate interior wall connection who keeps away from the one end of notch, the sealing ring cover is established on the stay cord, the both ends of first spring are connected with stopper and sealing ring respectively.

Preferably, in order to realize the function of guiding the pull rope, the limiting assembly further comprises a fixed pulley, the fixed pulley is arranged in the through hole, and one end of the pull rope, which is far away from the limiting block, is connected with the pull plate by bypassing the fixed pulley.

Preferably, in order to improve the limiting stability, the cross section of the limiting block is in the shape of a right triangle, one surface of one of the right-angle sides of the cross section of the right triangle of the limiting block is connected with the pull rope, and the other surface of the right-angle side of the cross section of the right triangle of the limiting block is abutted against the bottom of the notch.

As preferred, in order to realize the function of bleeding, the subassembly of bleeding includes electro-magnet, iron plate, elasticity rope and piston, the electro-magnet sets up the below at the fixed plate, the piston sets up the inside at fixed pipe, the sealed sliding connection of inner wall of piston and fixed pipe, the both ends of elasticity rope are connected with the below of piston and the top of filter screen respectively, iron plate sets up the top at the piston, the electro-magnet is just to setting up with iron plate, the electro-magnet is connected with the PLC electricity.

Preferably, in order to drive the connecting rod to move, the driving assembly comprises a driving plate, a driving block, a connecting rod, a connecting plate, a connecting unit and a guiding unit, one side of the driving plate is abutted against one end of the exhaust pipe, which is far away from the fixed pipe, the other side of the driving plate is connected with one side of the driving block, the other side of the driving block is provided with a sliding chute, the connecting unit is arranged in the sliding chute, the other side of the driving block is connected with the connecting rod through the connecting unit, one end of the connecting rod is provided with a notch, a ball is arranged in the notch, the center of the ball is arranged in the notch, the bottom in the groove is uniformly provided with a convex block, the ball is abutted against the bottom in the groove, the other end of the connecting rod is connected with the connecting plate, one ends of the two vibration rods, which are far away from the vibration plate, are connected with two sides of the connecting plate, and the guiding unit is arranged in the exhaust pipe, the guide unit is connected with one side of the driving plate.

Preferably, in order to realize the connection function of the connecting rod and the driving block, the connecting unit comprises a connecting block and a third spring, one side of the connecting block is arranged inside the sliding groove, the connecting block is matched with the sliding groove, the other side of the connecting block is connected with the connecting rod, two ends of the third spring are respectively connected with the top in the sliding groove and the upper part of the connecting block, and the sliding groove is a dovetail groove.

As preferred, for the moving direction of restriction drive plate, the guide unit includes guide bar, branch and two fourth springs, be equipped with two bar grooves on the inner wall of blast pipe, the both ends of guide bar set up the inside in two bar grooves respectively, guide bar and bar groove sliding connection, two fourth springs set up the inside in two bar grooves respectively, the both ends of fourth spring are connected with inner wall and the guide bar of the one end of keeping away from the fixed pipe in bar groove respectively, the both ends of branch are connected with drive plate and guide bar respectively.

The invention has the advantages that the anti-clogging plastic extruder realizes the purpose of impurity removal through the impurity removal mechanism, reduces the impurity content of the material in the main body, thereby improving the quality of finished products and the reliability of equipment, compared with the existing impurity removal mechanism, the impurity removal mechanism improves the convenience of cleaning the impurity removal net, has higher practicability, forms air pressure difference inside and outside the main body through the anti-clogging mechanism, can provide downward force for the material accumulated in the feeding pipe, thereby facilitating the material in the feeding to be guided into the main body, reducing the probability of occurrence of clogging phenomenon, preventing the blanking work from being influenced, compared with the existing anti-clogging mechanism, the anti-clogging mechanism can drive the main body to vibrate, so that the material in the main body can be flatly spread, thereby the material can not be accumulated below the feeding pipe, and the falling of the material can not be blocked, thereby the practicality of equipment has been improved, and when the main part vibrations, the phenomenon of vibrations also can appear in the inlet pipe to can accelerate the speed that the material passes through in the inlet pipe, improve the working effect of unloading, improve the reliability of equipment.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic block diagram of the present invention of a plastic extruder;

FIG. 2 is a side view of the anti-jam mechanism of the anti-jam plastic extruder of the present invention;

FIG. 3 is a schematic structural view of the anti-jamming mechanism of the anti-jamming plastic extruder of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view of the trash removal mechanism of the anti-clogging plastic extruder of the present invention;

in the figure: 1. supporting legs, 2 main body, 3 extruding device, 4 fixing tube, 5 filter screen, 6 elastic rope, 7 piston, 8 iron plate, 9 electromagnet, 10 exhaust tube, 11 guide rod, 12 support rod, 13 driving plate, 14 fourth spring, 15 driving block, 16 third spring, 17 connecting block, 18 connecting rod, 19 connecting plate, 20 vibration rod, 21 vibration plate, 22 lug, 23 impurity removing net, 24 first spring, 25 limiting block, 26 second spring, 27 sealing ring, 28 pull rope, 29 pull plate, 30 fixed pulley.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, the anti-clogging plastic extruder comprises a main body 2, an extruding device 3 and two supporting legs 1, wherein the two supporting legs 1 are respectively connected with two sides below the main body 2, the extruding device 3 is arranged inside the main body 2, a feeding pipe is arranged above the main body 2, a discharging port is arranged on one side of the main body 2, a PLC is arranged inside the main body 2, the anti-clogging plastic extruder further comprises an impurity removing mechanism and two anti-clogging mechanisms, the impurity removing mechanism is arranged in the feeding pipe, and the two anti-clogging mechanisms are respectively arranged on two sides of the main body 2;

PLCs, i.e., programmable logic controllers, are generally used for the processing of data and the receipt and output of instructions for central control.

This prevent plastics extruder of jam passes through edulcoration mechanism, has realized the purpose of edulcoration, has reduced the miscellaneous volume of the inside material of main part 2, thereby can improve off-the-shelf quality, the reliability of equipment is improved, through preventing blockking up the mechanism, make inside and outside main part 2 form the atmospheric pressure difference, can give the downward power of the material of gathering in the inlet tube, thereby the inside of the leading-in main part 2 of the material in the feeding of being convenient for, the probability of blocking phenomenon has been reduced, prevent to influence unloading work.

As shown in fig. 5, the impurity removing mechanism includes an impurity removing net 23, two limiting assemblies, two fixing blocks and two first springs 24, the impurity removing net 23 is disposed inside the feeding pipe, the impurity removing net 23 is connected with the inner wall of the feeding pipe in a sealing and sliding manner, notches are disposed on both sides of the impurity removing net 23, the notches correspond to the limiting assemblies one by one, the fixing blocks are connected with the inner wall of the feeding pipe, the two fixing blocks are symmetrically disposed about the axis of the feeding pipe, the fixing blocks are disposed below the filter screen 5, both ends of the first springs 24 are respectively connected with the lower side of the filter screen 5 and the upper side of the fixing blocks, and the first springs 24 are in a compressed state;

through the edulcoration net 23 that sets up, can carry out the function of edulcoration to the inside material of entering main part 2, thereby the impurity content of the inside material of main part 2 has been reduced, thereby can improve off-the-shelf quality, the reliability of equipment has been improved, when needs clearance edulcoration net 23, artificial spacing subassembly work that makes, no longer restrict the position of edulcoration net 23, thereby can be under the effect of the restoring force of first spring 24, make edulcoration net 23 rebound, make edulcoration net 23 pop out in can following the inlet tube, thereby the staff of being convenient for carries out the work of clearance to edulcoration net 23, make equipment more convenient, thereby the practicality of equipment has been improved.

As shown in fig. 2-4, the anti-clogging mechanism comprises a fixed tube 4, a fixed plate, a filter screen 5, an air exhaust assembly, an exhaust pipe 10, a driving assembly and two vibration assemblies, wherein the two fixed tubes 4 are vertically arranged at two sides above the main body 2 respectively, the fixed tube 4 is communicated with the main body 2, the filter screen 5 is connected with the inner wall of one end of the fixed tube 4, the fixed plate is connected with the inner wall of the other end of the fixed tube 4, the air exhaust assembly is arranged above the filter screen 5, one end of the exhaust pipe 10 is communicated with the inside of the fixed tube 4, the other end of the exhaust pipe 10 is connected with the driving assembly, the driving assembly is connected with the vibration assemblies, one-way valves are arranged in one end of the fixed tube 4 close to the main body 2 and in the exhaust pipe 10, the one-way valves are electrically connected with the PLC, two grooves are arranged above the main body 2, and correspond to the anti-clogging mechanism one to one, the two vibration assemblies are respectively arranged at two sides of the groove;

the vibration assembly comprises a vibration rod 20 and a vibration plate 21, one end of the vibration rod 20 is connected with the driving assembly, and the other end of the vibration rod 20 is connected with the vibration plate 21.

When materials are added into the main body 2 through the feeding pipe, the air pumping assembly is controlled to work, air in the main body 2 can be guided into the fixed pipe 4 and then discharged through the exhaust pipe 10, so that the air pressure in the main body 2 can be reduced, the air pressure difference is formed inside and outside the main body 2, a downward force can be applied to the materials accumulated in the feeding pipe, the materials in the feeding pipe can be conveniently guided into the main body 2, the probability of blockage is reduced, when the air is sprayed out of the exhaust pipe 10, the driving assembly can be driven to work, the vibration plate 21 is driven to intermittently move up and down through the vibration rod 20, the function of knocking the main body 2 is realized, the main body 2 is vibrated, the phenomenon that the materials in the main body 2 are vibrated can be driven, the materials in the main body 2 can be flatly spread, and the materials cannot be accumulated below the feeding pipe, thereby can not block the whereabouts of material to improve the practicality of equipment, when main part 2 vibrations, the phenomenon of vibrations also can appear in the inlet pipe, thereby can accelerate the speed that the material passes through in the inlet pipe, thereby can improve the working effect of unloading, improved the reliability of equipment.

As preferred, in order to restrict the position of edulcoration net 23, spacing subassembly includes stopper 25, stay cord 28, arm-tie 29, sealing ring 27 and second spring 26, be equipped with two perforation on the inlet pipe, be equipped with two through-holes in the main part 2, perforation and through-hole one-to-one, perforation and spacing subassembly one-to-one, perforation and through-hole intercommunication, stopper 25 sets up in the notch, the one end of stay cord 28 is connected with one side of stopper 25, the other end of stay cord 28 passes perforation and through-hole in proper order and is connected with arm-tie 29, arm-tie 29 supports and leans on the top at main part 2, the periphery of sealing ring 27 and the fenestrate inner wall connection who keeps away from the one end of notch, sealing ring 27 cover is established on stay cord 28, the both ends of first spring 24 are connected with stopper 25 and sealing ring 27 respectively.

When the impurity removing net 23 needs to be cleaned, the pulling plate 29 is manually driven to move upwards, the pull rope 28 drives the limiting block 25 to move towards the direction away from the notch, the limiting block 25 moves into the inside of the through hole, the second spring 26 is compressed, the limiting block 25 does not limit the position of the impurity removing net 23 any more, the impurity removing net 23 can move upwards under the action of the restoring force of the first spring 24, the pulling plate 29 can be released, the limiting block 25 moves into the feeding pipe under the action of the restoring force of the second spring 26, the impurity removing net 23 can be ejected out of the feeding pipe, and therefore cleaning work of the impurity removing net 23 by workers can be facilitated, after cleaning is completed, the impurity removing net 23 is manually pressed, the impurity removing net 23 moves downwards in the feeding pipe, when the impurity removing net 23 moves to abut against the inclined surface of the limiting block 25, the limiting block 25 can be driven to move into the through hole, compress second spring 26, it is just right to be right to when edulcoration net 23 removes notch and perforation, under the effect of second spring 26's answer power, can be so that stopper 25 moves into the inside of notch to block through stopper 25, can restrict the position of edulcoration net 23, thereby can fix edulcoration net 23, make when carrying out the edulcoration, the position of edulcoration net 23 can not change, thereby can not influence the work of edulcoration, improved the practicality of equipment.

Preferably, in order to realize the function of guiding the pulling rope 28, the limiting assembly further comprises a fixed pulley 30, the fixed pulley 30 is arranged in the through hole, and one end of the pulling rope 28 far away from the limiting block 25 is connected with the pulling plate 29 by passing through the fixed pulley 30.

Preferably, in order to improve the stability of the limiting, the cross section of the limiting block 25 is in the shape of a right triangle, one surface of one of the right-angled sides of the cross section of the right triangle of the limiting block 25 is connected with the pull rope 28, and the other surface of the right-angled side of the cross section of the right triangle of the limiting block 25 is abutted against the bottom of the notch.

Through setting the stopper 25 to the triangle-shaped, be for when stopper 25 inlays in the notch, edulcoration net 23 can't move down again to stability when spacing for edulcoration net 23 has been improved.

As preferred, in order to realize the function of bleeding, the subassembly of bleeding includes electro-magnet 9, iron plate 8, elasticity rope 6 and piston 7, electro-magnet 9 sets up the below at the fixed plate, piston 7 sets up the inside at fixed pipe 4, the sealed sliding connection of inner wall of piston 7 and fixed pipe 4, the both ends of elasticity rope 6 are connected with the below of piston 7 and the top of filter screen 5 respectively, iron plate 8 sets up the top at piston 7, electro-magnet 9 is just to setting up with iron plate 8, electro-magnet 9 is connected with the PLC electricity.

Preferably, in order to drive the connecting rod 18 to move, the driving assembly includes a driving plate 13, a driving block 15, a connecting rod 18, a connecting plate 19, a connecting unit and a guiding unit, one side of the driving plate 13 abuts against one end of the exhaust pipe 10 far away from the fixed pipe 4, the other side of the driving plate 13 is connected with one side of the driving block 15, the other side of the driving block 15 is provided with a sliding groove, the connecting unit is arranged inside the sliding groove, the other side of the driving block 15 is connected with the connecting rod 18 through the connecting unit, one end of the connecting rod 18 is provided with a notch, balls are arranged in the notch, the centers of the balls are arranged inside the notch, the bottoms in the grooves are uniformly provided with convex blocks 22, the balls abut against the bottoms in the grooves, the other end of the connecting rod 18 is connected with the connecting plate 19, and one ends of the two vibration rods 20 far away from the vibration plate 21 are connected with two sides of the connecting plate 19, the guide unit is provided inside the exhaust pipe 10, and the guide unit is connected to one side of the driving plate 13.

Preferably, in order to realize the function of connecting the connecting rod 18 with the driving block 15, the connecting unit includes a connecting block 17 and a third spring 16, one side of the connecting block 17 is disposed inside the sliding groove, the connecting block 17 is matched with the sliding groove, the other side of the connecting block 17 is connected with the connecting rod 18, two ends of the third spring 16 are respectively connected with the top inside the sliding groove and the upper side of the connecting block 17, and the sliding groove is a dovetail groove.

Preferably, in order to limit the moving direction of the driving plate 13, the guide unit includes a guide rod 11, a support rod 12 and two fourth springs 14, two strip-shaped grooves are formed in the inner wall of the exhaust pipe 10, two ends of the guide rod 11 are respectively disposed in the two strip-shaped grooves, the guide rod 11 is slidably connected with the strip-shaped grooves, the two fourth springs 14 are respectively disposed in the two strip-shaped grooves, two ends of the fourth springs 14 are respectively connected with the inner wall of one end of the strip-shaped groove, which is far away from the fixed pipe 4, and the guide rod 11, and two ends of the support rod 12 are respectively connected with the driving plate 13 and the guide rod 11.

When materials are added into the main body 2 through the feeding pipe, the electromagnet 9 is controlled to be powered on, the iron plate 8 is attracted, the piston 7 is driven to move upwards, the elastic rope 6 is stretched, the electromagnet 9 is controlled to be powered off, the iron plate 8 is not attracted any more, the piston 7 moves downwards under the action of the restoring force of the elastic rope 6, the air in the main body 2 can be guided into the fixed pipe 4 through the up-and-down movement of the piston 7 in the fixed pipe 4 and then discharged through the exhaust pipe 10, so that the air pressure in the main body 2 can be reduced, the air pressure difference is formed between the inside and the outside of the main body 2, a downward force can be applied to the materials accumulated in the feeding pipe, the materials in the feeding pipe can be conveniently guided into the main body 2, the blocking phenomenon is reduced, when air is sprayed out of the exhaust pipe 10, the driving plate 13 is driven to move towards the direction far away from the exhaust pipe 10, the guide rod 11 is driven to move through the support rod 12, the fourth spring 14 is compressed, thereby driving the connecting rod 18 to move through the driving block 15, when the connecting rod 18 moves until the balls abut against the convex blocks 22, the connecting rod 18 is driven to move upwards, thereby driving the connecting block 17 to move upwards, the third spring 16 is compressed, thereby driving the vibration rod 20 to move upwards through the connecting plate 19, thereby enabling the vibration plate 21 to move upwards, when the connecting rod 18 moves to not abut against the convex blocks 22, the connecting rod 18 moves downwards under the action of the restoring force of the third spring 16, thereby driving the vibration plate 21 to move downwards, thereby enabling the vibration plate 21 to abut against the upper part of the main body 2, thereby realizing the function of knocking the main body 2, enabling the main body 2 to vibrate, thereby driving the phenomenon that the material inside the main body 2 vibrates, enabling the material inside the main body 2 to be flatly spread, thereby enabling the material not to accumulate below the feeding pipe, thereby not blocking the falling of the material, thereby the practicality of equipment has been improved, and when 2 vibrations of main part, the phenomenon of vibrations also can appear in the inlet pipe to can accelerate the speed that the material passes through in the inlet pipe, thereby can improve the working effect of unloading, improve the reliability of equipment.

Through the edulcoration net 23 that sets up, can carry out the function of edulcoration to the inside material of entering main part 2, thereby the impurity content of the inside material of main part 2 has been reduced, thereby can improve off-the-shelf quality, the reliability of equipment has been improved, when needs clearance edulcoration net 23, artificial spacing subassembly work that makes, no longer restrict the position of edulcoration net 23, thereby can be under the effect of the restoring force of first spring 24, make edulcoration net 23 rebound, make edulcoration net 23 pop out in can following the inlet tube, thereby the staff of being convenient for carries out the work of clearance to edulcoration net 23, make equipment more convenient, thereby the practicality of equipment has been improved. When materials are added into the main body 2 through the feeding pipe, the air pumping assembly is controlled to work, air in the main body 2 can be guided into the fixed pipe 4 and then discharged through the exhaust pipe 10, so that the air pressure in the main body 2 can be reduced, the air pressure difference is formed inside and outside the main body 2, a downward force can be applied to the materials accumulated in the feeding pipe, the materials in the feeding pipe can be conveniently guided into the main body 2, the probability of blockage is reduced, when the air is sprayed out of the exhaust pipe 10, the driving assembly can be driven to work, the vibration plate 21 is driven to intermittently move up and down through the vibration rod 20, the function of knocking the main body 2 is realized, the main body 2 is vibrated, the phenomenon that the materials in the main body 2 are vibrated can be driven, the materials in the main body 2 can be flatly spread, and the materials cannot be accumulated below the feeding pipe, thereby can not block the whereabouts of material to improve the practicality of equipment, when main part 2 vibrations, the phenomenon of vibrations also can appear in the inlet pipe, thereby can accelerate the speed that the material passes through in the inlet pipe, thereby can improve the working effect of unloading, improved the reliability of equipment.

Compared with the prior art, the anti-blocking plastic extruder realizes the purpose of impurity removal through the impurity removal mechanism, reduces the impurity content of the material in the main body 2, thereby improving the quality of finished products and the reliability of equipment, compared with the prior impurity removal mechanism, the impurity removal mechanism improves the convenience of cleaning the impurity removal net 23, has higher practicability, forms air pressure difference inside and outside the main body 2 through the anti-blocking mechanism, can provide downward force for the material accumulated in the feeding pipe, thereby facilitating the material in the feeding to be guided into the main body 2, reducing the probability of blocking phenomenon, preventing the blanking work from being influenced, compared with the prior anti-blocking mechanism, the anti-blocking mechanism can also drive the main body 2 to vibrate, so that the material in the main body 2 can be flatly spread, thereby the material can not be accumulated below the feeding pipe, and the falling of the material can not be blocked, thereby the practicality of equipment has been improved, and when 2 vibrations of main part, the phenomenon of vibrations also can appear in the inlet pipe to can accelerate the speed that the material passes through in the inlet pipe, improve the working effect of unloading, improve the reliability of equipment.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The anti-blocking plastic extruder comprises a main body (2), an extruding device (3) and two supporting legs (1), wherein the two supporting legs (1) are respectively connected with two sides below the main body (2), the extruding device (3) is arranged inside the main body (2), a feeding pipe is arranged above the main body (2), a discharging port is arranged on one side of the main body (2), a PLC is arranged inside the main body (2), and the anti-blocking plastic extruder is characterized by further comprising an impurity removing mechanism and two anti-blocking mechanisms, wherein the impurity removing mechanism is arranged in the feeding pipe, and the two anti-blocking mechanisms are respectively arranged on two sides of the main body (2) which are windward;

the impurity removing mechanism comprises an impurity removing net (23), two limiting assemblies, two fixing blocks and two first springs (24), the impurity removing net (23) is arranged inside the feeding pipe, the impurity removing net (23) is connected with the inner wall of the feeding pipe in a sliding mode in a sealing mode, notches are formed in the two sides of the impurity removing net (23) and correspond to the limiting assemblies one by one, the fixing blocks are connected with the inner wall of the feeding pipe, the two fixing blocks are symmetrically arranged relative to the axis of the feeding pipe, the fixing blocks are arranged below the filtering net (5), the two ends of each first spring (24) are connected with the lower portion of the filtering net (5) and the upper portion of the corresponding fixing block respectively, and the first springs (24) are in a compressed state;

the anti-blocking mechanism comprises a fixed pipe (4), a fixed plate, a filter screen (5), an air exhaust assembly, an exhaust pipe (10), a driving assembly and two vibration assemblies, wherein the two fixed pipes (4) are vertically arranged on two sides of the upper part of a main body (2) respectively, the fixed pipe (4) is communicated with the main body (2), the filter screen (5) is connected with the inner wall of one end of the fixed pipe (4), the fixed plate is connected with the inner wall of the other end of the fixed pipe (4), the air exhaust assembly is arranged above the filter screen (5), one end of the exhaust pipe (10) is communicated with the inside of the fixed pipe (4), the other end of the exhaust pipe (10) is connected with the driving assembly, the driving assembly is connected with the vibration assemblies, one-way valves are arranged in one end, close to the main body (2), of the fixed pipe (4) and in the exhaust pipe (10), and are electrically connected with a, two grooves are formed in the upper portion of the main body (2), the grooves correspond to the anti-blocking mechanisms one by one, and the two vibration assemblies are arranged on two sides of the grooves respectively;

the vibration assembly comprises a vibration rod (20) and a vibration plate (21), one end of the vibration rod (20) is connected with the driving assembly, and the other end of the vibration rod (20) is connected with the vibration plate (21).

2. The anti-clogging plastic extruder according to claim 1, wherein the limiting assembly comprises a limiting block (25), a pulling rope (28), a pulling plate (29), a sealing ring (27) and a second spring (26), the feeding pipe is provided with two through holes, the main body (2) is provided with two through holes, the through holes correspond to the through holes one to one, the through holes correspond to the limiting assembly one to one, the through holes are communicated with the through holes, the limiting block (25) is arranged in the notch, one end of the pulling rope (28) is connected with one side of the limiting block (25), the other end of the pulling rope (28) sequentially passes through the through holes and the through holes to be connected with the pulling plate (29), the pulling plate (29) abuts against the upper side of the main body (2), the periphery of the sealing ring (27) is connected with the inner wall of the end of the through hole far away from the notch, and the sealing ring (27) is sleeved on the pulling rope (28), two ends of the first spring (24) are respectively connected with the limiting block (25) and the sealing ring (27).

3. The anti-clogging plastic extruder according to claim 2, wherein the limiting assembly further comprises a fixed pulley (30), the fixed pulley (30) is disposed in the through hole, and one end of the pulling rope (28) far away from the limiting block (25) is connected with the pulling plate (29) by passing around the fixed pulley (30).

4. The anti-clogging plastic extruder according to claim 2, wherein the cross-sectional shape of the limiting block (25) is a right triangle, one of the right-angled sides of the cross-sectional shape of the right triangle of the limiting block (25) is connected to the pulling rope (28), and the other of the right-angled sides of the cross-sectional shape of the right triangle of the limiting block (25) is abutted to the bottom of the notch.

5. The anti-clogging plastic extruder according to claim 1, wherein the air extracting component comprises an electromagnet (9), an iron plate (8), an elastic rope (6) and a piston (7), the electromagnet (9) is arranged below the fixing plate, the piston (7) is arranged inside the fixing tube (4), the piston (7) is connected with the inner wall of the fixing tube (4) in a sealing and sliding manner, two ends of the elastic rope (6) are respectively connected with the lower portion of the piston (7) and the upper portion of the filter screen (5), the iron plate (8) is arranged above the piston (7), the electromagnet (9) and the iron plate (8) are arranged in a right-to-face manner, and the electromagnet (9) is electrically connected with the PLC.

6. The anti-clogging plastic extruder as claimed in claim 1, wherein the driving assembly comprises a driving plate (13), a driving block (15), a connecting rod (18), a connecting plate (19), a connecting unit and a guiding unit, one side of the driving plate (13) abuts against one end of the exhaust pipe (10) far away from the fixed pipe (4), the other side of the driving plate (13) is connected with one side of the driving block (15), the other side of the driving block (15) is provided with a sliding groove, the connecting unit is arranged inside the sliding groove, the other side of the driving block (15) is connected with the connecting rod (18) through the connecting unit, one end of the connecting rod (18) is provided with a notch, a ball is arranged in the notch, the center of the ball is arranged inside the notch, the bottom in the groove is uniformly provided with a bump (22), and the ball abuts against the bottom in the groove, the other end of connecting rod (18) is connected with even board (19), and the one end of keeping away from vibrations board (21) of two vibrations poles (20) is connected with the both sides of even board (19), the guide unit sets up in the inside of blast pipe (10), the guide unit is connected with one side of drive plate (13).

7. The anti-clogging plastic extruder according to claim 6, wherein the connecting unit comprises a connecting block (17) and a third spring (16), one side of the connecting block (17) is arranged inside the sliding groove, the connecting block (17) is matched with the sliding groove, the other side of the connecting block (17) is connected with a connecting rod (18), two ends of the third spring (16) are respectively connected with the top in the sliding groove and the upper part of the connecting block (17), and the sliding groove is a dovetail groove.

8. The anti-clogging plastic extruder according to claim 6, wherein the guiding unit comprises a guiding rod (11), a supporting rod (12) and two fourth springs (14), the inner wall of the exhaust pipe (10) is provided with two strip-shaped grooves, two ends of the guiding rod (11) are respectively arranged inside the two strip-shaped grooves, the guiding rod (11) is slidably connected with the strip-shaped grooves, the two fourth springs (14) are respectively arranged inside the two strip-shaped grooves, two ends of the fourth springs (14) are respectively connected with the inner wall of one end of the strip-shaped groove far away from the fixed pipe (4) and the guiding rod (11), and two ends of the supporting rod (12) are respectively connected with the driving plate (13) and the guiding rod (11).