CN212636530U

CN212636530U - Feeding hopper of extruder

Info

Publication number: CN212636530U
Application number: CN202021346981.2U
Authority: CN
Inventors: 杨志勇; 刘童喜
Original assignee: Hubei Hansu Pipe Industry Group Co ltd
Current assignee: Hubei Hansu Pipe Industry Group Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-02
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses an extruder feeding funnel, which comprises a funnel body and a discharge pipe connected to the bottom of the funnel body, wherein a blocking cleaning mechanism is arranged on the discharge pipe, a cleaning hole is formed on the side wall of the discharge pipe, and the blocking cleaning mechanism comprises a protective pipe which is communicated with the cleaning hole and is arranged outside the discharge pipe and a conduction assembly which is arranged in the protective pipe in a sliding manner; the conduction assembly comprises an adjusting part arranged in the protective pipe in a sliding mode and a rotating shaft rotationally connected with the adjusting part, and the rotating shaft is located in the protective pipe and located between the adjusting part and the cleaning hole; the inner wall of the protective pipe is provided with a spiral guide groove along the axial direction, the rotating shaft is fixedly connected with a support rod which is arranged in the spiral guide groove in a sliding manner, and the rotating shaft is also fixedly sleeved with a plurality of conducting blades along the axial direction; a traction structure is connected between the outer wall of the protective pipe and the adjusting part; compared with the prior art, the utility model, can be convenient, swift solve the jam problem in the discharge tube.

Description

Feeding hopper of extruder

Technical Field

The utility model relates to a funnel technical field, concretely relates to extruder feed hopper.

Background

The extruder belongs to one of the types of plastic machinery, and can divide a machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of a screw; the screw extruder is capable of fully plasticizing and uniformly mixing materials by means of pressure and shearing force generated by rotation of a screw, and the plastic extruder can be basically classified into a double-screw extruder, a single-screw extruder, a rare multi-screw extruder and a non-screw extruder through the molding of a neck mold.

In the prior art, the structure of the feeding funnel of the extruder is simple, and when the blanking speed of the feeding funnel is too high, the discharge pipe connected with the extruder is easy to block, so that the blockage state is inconvenient to clean.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model aims to provide an extruder feed hopper to among the solution prior art, when row's material pipe that feed hopper and extruder link to each other takes place to block up, clear up inconvenient problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a feeding funnel of an extruder comprises a funnel body and a discharge pipe connected to the bottom of the funnel body, wherein a blockage cleaning mechanism is arranged on the discharge pipe, a cleaning hole is formed in the side wall of the discharge pipe, and the blockage cleaning mechanism comprises a protective pipe and a conduction assembly, wherein the protective pipe is communicated with the cleaning hole and is arranged on the outer side of the discharge pipe, and the conduction assembly is slidably arranged in the protective pipe;

the conduction assembly comprises an adjusting part arranged in the protective pipe in a sliding mode and a rotating shaft rotationally connected with the adjusting part, and the rotating shaft is located in the protective pipe and located between the adjusting part and the cleaning hole; the inner wall of the protective pipe is provided with a spiral guide groove along the axial direction, the rotating shaft is fixedly connected with a support rod which is arranged in the spiral guide groove in a sliding manner, and the rotating shaft is also fixedly sleeved with a plurality of conducting blades along the axial direction;

still be connected with between protective tube outer wall and the regulating part and pull the structure, pull the structure and be used for making the regulating part remove to the direction of keeping away from the clearance hole after the clearance hole side.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. when the discharge pipe is blocked, the adjusting part moves in the direction close to the cleaning hole in the protective pipe, the rotating shaft penetrates into the discharge pipe from the cleaning hole in the process, and the rotating shaft also rotates in the process of penetrating into the discharge pipe to move through the rotating connection mode of the adjusting part and the rotating shaft and the matching mode of the abutting rod and the spiral guide groove, so that the plurality of conducting blades continuously rotate in the discharge pipe to achieve the aim of stirring and conducting materials in the discharge pipe, and the discharge pipe is conveniently and quickly conducted to continue to feed materials to the extruder; after the blockage problem in the discharge pipe is solved, the adjusting part is moved to the side of the cleaning hole and then moved away from the cleaning hole through the traction structure, so that the rotating shaft is moved back into the protective pipe, and the rotating shaft and the conducting blades are prevented from influencing the feeding efficiency of the discharge pipe to the extruder;

2. through the cooperation mode of propping pole and spiral guide slot, still spacing the displacement of axis of rotation in the protective tube, make regulating part, axis of rotation and switch on the blade and all be in and adjust under the safety ring border.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments:

reference numerals in the drawings of the specification include: funnel body 1, row material pipe 2, clearance hole 3, protective tube 4, regulating part 5, axis of rotation 6, spiral guide slot 7, support pole 8, conduction blade 9, take-up pulley 10, pull wire 11, supporting spring 12, sealed piece 13, dial piecing 14, end plate 15, inlet pipe 16, toper reference column 17, supporting shoe 18, spout 19, locating lever 20, locking pole 21.

As shown in fig. 1, an embodiment of the utility model provides an extruder feeding funnel, including funnel body 1 and a discharge pipe 2 connected to the bottom of funnel body 1, a blockage cleaning mechanism is arranged on discharge pipe 2, cleaning holes 3 are opened on the side wall of discharge pipe 2, the blockage cleaning mechanism includes a protective pipe 4 communicated with cleaning holes 3 and arranged outside discharge pipe 2, and a conduction assembly slidably arranged in protective pipe 4; as shown in fig. 2, the conducting assembly includes an adjusting portion 5 slidably disposed in the protecting tube 4 and a rotating shaft 6 rotatably connected to the adjusting portion 5, the rotating shaft 6 is disposed in the protecting tube 4 and between the adjusting portion 5 and the cleaning hole 3; the inner wall of the protective pipe 4 is provided with a spiral guide groove 7 along the axial direction, a support rod 8 which is arranged in the spiral guide groove 7 in a sliding manner is fixedly connected to the rotating shaft 6, and a plurality of conducting blades 9 are fixedly sleeved on the rotating shaft 6 along the axial direction; still be connected with between 4 outer walls of protective tube and the regulating part 5 and pull the structure, pull the structure and be used for making regulating part 5 remove to the direction removal of keeping away from clearance hole 3 behind the clearance hole 3 side.

When the material discharging pipe 2 is blocked, the adjusting part 5 moves in the direction close to the cleaning hole 3 in the protective pipe 4, the rotating shaft 6 penetrates into the material discharging pipe 2 from the cleaning hole 3 in the process, the rotating shaft 6 also rotates in the process of moving in the material discharging pipe 2 by the rotating connection mode of the adjusting part 5 and the rotating shaft 6 and the matching mode of the abutting rod 8 and the spiral guide groove 7, so that the plurality of conducting blades 9 continuously rotate in the material discharging pipe 2 to achieve the purpose of stirring and conducting materials in the material discharging pipe 2, and the material discharging pipe 2 is conveniently and quickly conducted to continue feeding materials to the extruder; after the blockage problem in the discharge pipe 2 is solved, the adjusting part 5 is moved to the side of the cleaning hole 3 and then moved towards the direction far away from the cleaning hole 3 through the traction structure, so that the rotating shaft 6 is moved back into the protection pipe 4, and the adjusting part 5 returns to the original position.

The adjusting part 5 can be a plug for sealing one end of the protective tube 4, so that the adjusting part 5 not only plays a role in supporting the rotating shaft 6, but also plays a role in a transmission structure as the rotating shaft 6, and also plays a role in protecting the rotating shaft 6 and the conducting blades 9 sealed in the protective tube 4.

As shown in fig. 2, according to another embodiment of the present invention, the feeding hopper of the extruder further comprises an optimization of the pulling structure; the adopted traction structure comprises a take-up pulley 10 which is rotatably arranged on the outer wall of the protective tube 4, a traction wire 11 which is fixedly connected with the adjusting part 5 after being guided by a guide wheel is fixedly wound on the take-up pulley 10, and the guide wheel is rotatably arranged at the end part of the protective tube 4 far away from the cleaning hole 3; when the adjusting part 5 moves towards the direction of the cleaning hole 3 in the protective tube 4, the take-up pulley 10 rotates to pay off, and the traction wire 11 cannot limit the movement of the adjusting part 5; the wire winding operation is performed by rotating the wire winding wheel 10, so that the adjusting part 5 moves in the protective tube 4 in the direction away from the cleaning hole 3 through the traction wire 11, the rotating shaft 6 moves back into the protective tube 4, and the adjusting part 5 returns to the original position.

As shown in fig. 2, according to another embodiment of the present invention, the feeding funnel of the extruder prevents the material from entering the protecting pipe 4 from the cleaning hole 3 during the normal feeding process of the discharging pipe 2 into the extruder; the cleaning device also comprises two mounting holes which are arranged in opposite directions and are formed in the inner wall of the cleaning hole 3, a sealing block 13 which is slidably arranged between the mounting holes and the cleaning hole 3 in a penetrating manner is connected in each mounting hole through a supporting spring 12, and the end parts of the two sealing blocks 13 which are arranged in opposite directions are abutted; the cleaning holes 3 are sealed by the two sealing blocks 13, so that materials flowing in the discharge pipe 2 are prevented from entering the protective pipe 4 from the cleaning holes 3; when the rotating shaft 6 moves into the discharge pipe 2 to solve the problem of blockage in the discharge pipe 2, the rotating shaft 6 firstly slides and abuts against the joint of the two sealing blocks 13 to enable the two sealing blocks 13 to move away from each other, and the two sealing blocks 13 slide into corresponding mounting holes so that the rotating shaft 6 penetrates through the cleaning holes 3 to enter the discharge pipe 2; after the rotating shaft 6 moves back into the protective tube 4, the two sealing blocks 13 slide in opposite directions under the action of the elastic reset force of the supporting spring 12, and opposite ends of the two sealing blocks 13 are slidably arranged in the cleaning hole 3 in a penetrating manner and abut against each other, so that the cleaning hole 3 is sealed.

As shown in fig. 2, according to another embodiment of the present invention, the feeding funnel of the extruder further comprises a shifting block 14 rotatably connected to an end of the rotating shaft 6 away from the adjusting portion 5 and slidably abutting against a joint of the two sealing blocks 13; when the rotary shaft 6 is moved into the discharge pipe 2, the two seal blocks 13 are rapidly moved toward each other by the moving block 14.

Furthermore, the shifting block 14 is a conical block, the small end of the conical block is in sliding contact with the joint of the two sealing blocks 13, an arc-shaped groove is formed in the end surface of the joint of the two sealing blocks 13 close to one side of the conical block, and the end part of the conical block is in sliding contact with the bottom of the arc-shaped groove; through the structural design of the shifting block 14 and the arc-shaped grooves formed in the two sealing blocks 13, the sliding and abutting state of the shifting block 14 and the two sealing blocks 13 is improved, so that the shifting block 14 can enable the two sealing blocks 13 to move away from each other more easily; and the structural design of the poking and separating block 14 is also convenient for driving the rotating shaft 6 to be rapidly inserted into the materials in the material discharge pipe 2.

As shown in fig. 1, according to another embodiment of the present invention, the feeding funnel of the extruder further comprises an end plate 15 connected to the feeding port of the funnel body 1 through a plurality of connecting members, the connecting members are circumferentially spaced along the funnel body 1, and the end plate 15 is provided with a feeding pipe 16 communicated with the feeding port of the funnel body 1; the material is guided into the funnel body 1 through the feeding pipe 16, and the feeding pipe 16 is convenient to be connected with a feeding auger and other structures.

As shown in fig. 3, each adopted connecting piece comprises a conical positioning column 17 connected with the end part of the feed inlet of the funnel body 1 and an embedded hole formed in the end plate 15, and the conical positioning column 17 is fixed through a locking structure connected with the end plate 15 after penetrating into the embedded hole; the stability of the end plate 15 after connection is improved through the matching of the conical positioning column 17 and the embedding hole.

The end part of the conical positioning column 17, far away from the funnel body 1, is provided with a locking groove, the locking structure comprises two supporting blocks 18 connected on the end surface of the end plate 15, far away from the funnel body 1, the two supporting blocks 18 are oppositely arranged and distributed on two sides of the embedded hole, one opposite side surfaces of the two supporting blocks 18 are provided with sliding grooves 19, the sliding grooves 19 are positioned on one side, far away from the end part, of the supporting blocks 18, the bottom of the lower end of each sliding groove 19 is provided with through holes, the two through holes are collinear, and a positioning rod 20 with one end embedded into the locking groove is arranged between the two sliding grooves 19; when locating lever 20 offsets with the locking groove tank bottom, the interlude hole and two that set up on the locating lever 20 pass the hole collineation, and the interlude hole and two pass the hole and slide the interlude and have locking lever 21.

The positioning rod 20 is a T-shaped rod, the end of the vertical section of the positioning rod 20 is embedded into a locking groove, and the locking groove is axially arranged in the horizontal section of the positioning rod 20.

When the end plate 15 needs to be detached from the funnel body 1, the locking rod 21 is drawn out from the through hole and the two through holes, the positioning rod 20 is moved to enable the positioning rod 20 to move out from the sliding groove 19 and the locking groove, then the end plate 15 is taken, and the conical positioning column 17 can be moved out from the embedded hole, so that the end plate 15 and the funnel body 1 are separated conveniently and quickly; when end plate 15 links to each other with funnel body 1 once more, makes toper reference column 17 wear to establish to inlay and establishes downthehole, and locating lever 20 moves into between the spout 19 between two supporting pieces 18, and locating lever 20 moves to when offsetting in two spouts 19 below, and locating lever 20's vertical section embedding locking inslot, and the interlude hole and two pass the hole collineation, again with the lock bar 21 alternate in the interlude hole with two pass between the hole can.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A feeding funnel of an extruder comprises a funnel body and a discharge pipe connected to the bottom of the funnel body, and is characterized in that a blockage cleaning mechanism is arranged on the discharge pipe, a cleaning hole is formed in the side wall of the discharge pipe, and the blockage cleaning mechanism comprises a protective pipe which is communicated with the cleaning hole and is arranged on the outer side of the discharge pipe and a conduction assembly which is arranged in the protective pipe in a sliding manner;

2. An extruder feed hopper according to claim 1 wherein: the traction structure comprises a take-up pulley which is rotatably arranged on the outer wall of the protective pipe, a traction wire which is fixedly connected with the adjusting part after being guided by a guide wheel is fixedly wound on the take-up pulley, and the guide wheel is rotatably arranged at the end part of the protective pipe far away from the cleaning hole.

3. An extruder feed hopper according to claim 1 or claim 2, wherein: the cleaning hole is characterized in that two mounting holes which are arranged in opposite directions are formed in the inner wall of the cleaning hole, a sealing block which is slidably arranged between the mounting holes and the cleaning hole is connected in each mounting hole through a supporting spring, and the end parts of the two sealing blocks which are arranged in opposite directions are abutted.

4. An extruder feed hopper according to claim 3 wherein: one end of the rotating shaft, which is far away from the adjusting part, is rotatably connected with a shifting block which is in sliding and abutting contact with the joint of the two sealing blocks.

5. An extruder feed hopper according to claim 4 wherein: the poking and separating block is a conical block, the small end of the conical block is in sliding support with the joint of the two sealing blocks, an arc-shaped groove is formed in the end face of the joint of the two sealing blocks, which is close to one side of the conical block, and the end of the conical block is in sliding support with the bottom of the arc-shaped groove.

6. An extruder feed hopper according to claim 1 or claim 2, wherein: the feed inlet department of funnel body is connected with the end plate through a plurality of connecting pieces, and a plurality of connecting pieces are provided with the inlet pipe that communicates with the feed inlet of funnel body on the end plate along funnel body circumference interval arrangement.

7. An extruder feed hopper according to claim 6 wherein: every the connecting piece all includes the toper reference column of feed inlet end connection at the funnel body and set up on the end plate inlay and establish the hole, and the toper reference column is worn to establish to inlay establishes downthehole back through the locking structure that links to each other with the end plate and is fixed.

8. An extruder feed hopper according to claim 7 wherein: the end part, far away from the funnel body, of the conical positioning column is provided with a locking groove, the locking structure comprises two supporting blocks connected to the end face, far away from the funnel body, of the end plate, the two supporting blocks are oppositely arranged and distributed on two sides of the embedded hole, one side face, opposite to the two supporting blocks, of each supporting block is provided with a sliding groove, the sliding grooves are located on one side, far away from the end part, of each supporting block, the bottom of the lower end of each sliding groove is provided with a through hole, the two through holes are collinear, and a positioning rod with one end embedded into; when locating lever and locking groove tank bottom offset, the interlude hole and two that set up on the locating lever pass the hole collineation, and the interlude hole and two pass the hole and slide the interlude and have the locking pole.