CN215661746U

CN215661746U - Feeding device of single-screw extruder

Info

Publication number: CN215661746U
Application number: CN202121892389.7U
Authority: CN
Inventors: 张国政
Original assignee: Hebei Lutong Engineering Materials Co ltd
Current assignee: Hebei Lutong Engineering Materials Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-01-28
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a feeding device of a single-screw extruder, which relates to the technical field of single-screw extruder equipment and comprises a feeding hopper and a feeding pipe, wherein the lower surface of the feeding hopper is fixedly connected with the upper surface of the feeding pipe, the outer side wall of the lower end of the feeding pipe is fixedly connected with a material blocking box, the material blocking box is communicated with the feeding pipe, a material blocking chute is formed in the material blocking box, a material blocking plate is movably connected in the material blocking box, and the side surface of the material blocking plate, far away from the feeding pipe, is fixedly connected with a handle. Be provided with the material stopping plate in the material stopping box, the material stopping box is linked together with the feed pipe, when in time expecting absolutely according to production demand needs, through promoting the handle, in the material stopping plate is pushed into the feed pipe, the material stopping draw-in groove of material stopping plate and feed pipe inner wall mutually supports, accomplishes in time expecting absolutely, is provided with broken sword in going into the hopper, carries out the breakage to materials such as large granule, avoids at the feed in-process, and a large amount of materials are piled up inside the pipeline, cause the jam.

Description

Feeding device of single-screw extruder

Technical Field

The utility model relates to the technical field of single-screw extruder equipment, in particular to a feeding device of a single-screw extruder.

Background

The single screw extruder is one of the most widely used devices in polymer processing, and is generally used for extruding and granulating or forming plates, pipes, filaments, films, profiles and the like, the working process of the single screw extruder mainly comprises feeding, conveying, melting (mixing or exhausting) and metering and extruding, generally, the single screw extruder is fed with solid granules, sheets or powder, and for the materials, the continuous feeding of the materials can be realized by adopting a dead weight type feeding (also called starvation type feeding), namely, the continuous feeding is realized by a common feeding hopper arranged on a feeding port of the single screw extruder.

Therefore, the existing single-screw extruder is provided with a common feeding hopper, and the common feeding hopper has the defects that when a bulk material is encountered, for example, when an inner screen and an outer screen crosslinked cable material are produced, the material which is internally mixed is fed into the single-screw extruder, the material is heated to be in a molten state, the material is presented to be a bulk and bulk material, the common feeding hopper cannot uniformly and continuously feed the material into the single-screw extruder, so that the normal production is influenced, and when the material is required to be immediately cut off according to the condition or production requirement in the production process, because the motor is paused, the rotating rod can continuously push the material due to inertia, the feeding cannot be immediately stopped through the pause motor.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the feeding device of the single-screw extruder is provided, and the technical scheme solves the problems that continuous feeding cannot be met for special materials and the materials cannot be immediately stopped to be conveyed according to production requirements in the background art.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:

the utility model provides a feeding device of single screw extruder, includes into hopper and feed pipe, go into the lower surface of hopper and the last fixed surface of feed pipe is connected, the lateral wall fixedly connected with of feed pipe lower extreme hinders the workbin, it is linked together with the feed pipe to hinder the workbin, hinder and seted up on the workbin and hinder the material spout, it has the material stopping plate to hinder workbin internal swing joint, the side fixedly connected with handle of feed pipe is kept away from to the material stopping plate, the handle is located hinders the material spout, the top of handle is higher than the upper surface that hinders the workbin, hinder the material draw-in groove has been seted up to the inboard surface of feed pipe, hinder the material draw-in groove and hinder material board looks adaptation.

Preferably, the side wall of the feeding pipe is provided with a material cleaning hole, the outer side surface of the feeding pipe is hinged with a cover plate through a pin bolt, the side surface of the cover plate close to the material cleaning hole is fixedly connected with a sealing lug, and a sealing ring is sleeved on the sealing lug.

Preferably, go into hopper upper end fixedly connected with diaphragm, go up diaphragm upper surface fixedly connected with motor, it is connected with the dwang to go up the diaphragm rotation, the upper end and the motor output fixed connection of dwang.

Preferably, go into hopper lower extreme fixedly connected with screen cloth, the screen cloth rotates with the dwang to be connected, the lower extreme of dwang extends to the top that hinders the material draw-in groove.

Preferably, the lower end of the rotating rod is rotatably connected with a lower transverse plate, and two ends of the lower transverse plate are fixedly connected with the inner wall of the feeding pipe.

Preferably, the lateral wall fixedly connected with of dwang breaks sword and spiral pusher piece, broken sword is located the top of screen cloth, the minimum upper surface that is in the screen cloth of broken sword supports, spiral pusher piece is located the below of screen cloth, the outside surface of spiral pusher piece supports with the inside surface butt of feed pipe.

Preferably, the lower end of the feeding pipe is fixedly connected with a base.

The utility model provides a feeding device of a single-screw extruder, which has the following beneficial effects:

according to the utility model, the material blocking box is arranged on the side surface of the feeding pipe, the material blocking plate is arranged in the material blocking box, the material blocking box is communicated with the feeding pipe, when the material is timely cut off according to the production requirement, the material blocking plate is pushed into the feeding pipe through the pushing handle, the material blocking plate is matched with the material blocking clamping groove in the inner wall of the feeding pipe, the timely material cutting is completed, the crushing knife is arranged in the feeding hopper, the large-particle materials and the like are crushed, the phenomenon that a large amount of materials are accumulated in the pipeline to cause blockage in the feeding process is avoided, and meanwhile, the spiral material pushing piece is arranged in the feeding pipe, so that the uninterrupted feeding can be realized, and the problems that the continuous feeding cannot be met for special materials and the material cannot be immediately stopped to be conveyed according to the production requirement of the existing feeding device are solved.

Drawings

FIG. 1 is a schematic perspective view of a feeding device of a single screw extruder according to the present invention;

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

FIG. 3 is a schematic plan view of a feeding device of a single screw extruder according to the present invention;

FIG. 4 is a schematic cross-sectional view at C of FIG. 3;

fig. 5 is a partially enlarged view of B in fig. 4.

The reference numbers in the figures are:

1. feeding into a hopper; 2. a feed pipe; 3. a base; 4. a material blocking box; 5. a material blocking clamping groove; 6. a material blocking chute; 7. a material stopping plate; 8. a handle; 9. cleaning holes; 10. a cover plate; 11. an upper transverse plate; 12. a motor; 13. rotating the rod; 14. a crushing knife; 15. screening a screen; 16. spirally pushing the material sheet; 17. a lower transverse plate.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-5, a feeding device of a single screw extruder comprises a feeding hopper 1 and a feeding pipe 2, wherein the lower surface of the feeding hopper 1 is fixedly connected with the upper surface of the feeding pipe 2, the outer side wall of the lower end of the feeding pipe 2 is fixedly connected with a material blocking box 4, the material blocking box 4 is communicated with the feeding pipe 2, the material blocking box 4 is provided with a material blocking chute 6, the material blocking box 4 is internally and movably connected with a material blocking plate 7, the side surface of the material blocking plate 7 far away from the feeding pipe 2 is fixedly connected with a handle 8, the handle 8 is positioned in the material blocking chute 6, the handle 8 can slide in the material blocking chute 6, when the equipment needs to be subjected to timely material cutting, the material blocking plate 7 can be pushed into the feeding pipe 2 by pushing the handle 8, the material blocking plate 7 is matched with a material blocking clamping groove 5 to realize timely material cutting, the top end of the handle 8 is higher than the upper surface of the material blocking box 4, so that the material blocking plate 7 can be pushed manually, the inboard surface of feed pipe 2 has been seted up and has been hindered material draw-in groove 5, hinder material draw-in groove 5 and hinder 7 looks adaptations of flitch, with hindering flitch 7 propelling movement to hinder in material draw-in groove 5, stop the material in feed pipe 2, realize timely disconnected material, material clearance hole 9 has been seted up to the lateral wall of feed pipe 2, can clear up to the material inside feed pipe 2 and on the spiral pusher piece 16, when taking place the abnormal conditions in feed pipe 2, can look over it through

material clearance hole

9, 2 outside surfaces of feed pipe articulate through the cotter pin has apron 10, apron 10 is close to the sealed lug of side fixedly connected with in material clearance hole 9, the cover is equipped with the sealing washer on the sealed lug, sealed lug and material clearance hole 9 looks adaptations, use with the sealing washer cooperation and realize the sealed of material clearance hole 9.

Go into hopper 1 upper end fixedly connected with and go up diaphragm 11, go up diaphragm 11 upper surface fixedly connected with motor 12, it is connected with dwang 13 to go up diaphragm 11 and rotate, the upper end and the motor 12 output fixed connection of dwang 13, go into hopper 1 lower extreme fixedly connected with screen cloth 15, screen cloth 15 rotates with dwang 13 to be connected, the lower extreme of dwang 13 extends to the top that hinders material draw-in groove 5, dwang 13 lower extreme rotates and is connected with lower diaphragm 17, lower diaphragm 17 both ends all with feed pipe 2 inner wall fixed connection.

During operation opens motor 12, drives dwang 13 and rotates to drive broken sword 14 and spiral material pushing piece 16 and rotate, when the input material, the large granule material is blockked by screen cloth 15 in going into hopper 1, carries out the breakage to the large granule material through broken sword 14, avoids the direct entering of material to cause the jam, goes into the working tube of extruder with the material propelling movement under spiral material pushing piece 16's effect in.

The side wall of dwang 13 fixedly connected with crushing sword 14 and spiral pusher piece 16, crushing sword 14 is located the top of screen cloth 15, and the upper surface butt that is at the screen cloth 15 at the lowest of crushing sword 14, and spiral pusher piece 16 is located the below of screen cloth 15, and the outside surface of spiral pusher piece 16 and the inboard surface butt of feed pipe 2, the lower extreme fixedly connected with base 3 of feed pipe 2.

The working principle and the using process of the utility model are as follows:

when the material feeding device works, the motor 12 is started, materials are poured into the feeding hopper 1, the screen 15 in the feeding hopper 1 blocks large-particle materials in the feeding hopper 1, small-particle materials penetrate through the screen 15 and enter the feeding pipe 2, the materials are pushed into the extruder under the action of the spiral pushing piece 16, the large-particle materials in the feeding hopper 1 are crushed under the action of the crushing knife 14 and finally penetrate through the screen 15 and enter the feeding pipe 2, the material cleaning hole 9 is formed in the side face of the feeding pipe 2, the cover plate 10 on the material cleaning hole 9 is opened, the interior of the feeding pipe 2 can be observed and cleaned, the material blocking box 4 is further installed on the side face of the feeding pipe 2, when the materials need to be blocked in time, the handle 8 can be pushed, the material blocking plate 7 is pushed into the feeding pipe 2, and the material blocking plate 7 is matched with the material blocking clamping groove 5, so that the materials are blocked in time.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A feeding device of a single screw extruder is characterized by comprising a feeding hopper (1) and a feeding pipe (2), the lower surface of the feeding hopper (1) is fixedly connected with the upper surface of the feeding pipe (2), the outer side wall of the lower end of the feeding pipe (2) is fixedly connected with a material blocking box (4), the material blocking box (4) is communicated with the feeding pipe (2), the material blocking chute (6) is arranged on the material blocking box (4), a material blocking plate (7) is movably connected in the material blocking box (4), the side surface of the material stopping plate (7) far away from the feeding pipe (2) is fixedly connected with a handle (8), the handle (8) is positioned in the material blocking chute (6), the top end of the handle (8) is higher than the upper surface of the material blocking box (4), the inner side surface of the feeding pipe (2) is provided with a material blocking clamping groove (5), and the material blocking clamping groove (5) is matched with the material blocking plate (7).

2. The feeding device of a single screw extruder as set forth in claim 1, wherein: the side wall of the feeding pipe (2) is provided with a material cleaning hole (9), the outer side surface of the feeding pipe (2) is hinged to a cover plate (10) through a pin bolt, the side face, close to the material cleaning hole (9), of the cover plate (10) is fixedly connected with a sealing lug, and a sealing ring is sleeved on the sealing lug.

3. The feeding device of a single screw extruder as set forth in claim 1, wherein: go into diaphragm (11) on fixedly connected with of hopper (1) upper end, fixed surface is connected with motor (12) on going up diaphragm (11), it is connected with dwang (13) to go up diaphragm (11) rotation, the upper end and motor (12) output fixed connection of dwang (13).

4. A feeding device of a single screw extruder according to claim 3, wherein: go into hopper (1) lower extreme fixedly connected with screen cloth (15), screen cloth (15) are rotated with dwang (13) and are connected, the lower extreme of dwang (13) extends to the top that hinders material draw-in groove (5).

5. The feeding device of a single screw extruder as set forth in claim 4, wherein: the lower end of the rotating rod (13) is rotatably connected with a lower transverse plate (17), and two ends of the lower transverse plate (17) are fixedly connected with the inner wall of the feeding pipe (2).

6. The feeding device of a single screw extruder as set forth in claim 5, wherein: lateral wall fixedly connected with broken sword (14) and spiral pusher piece (16) of dwang (13), broken sword (14) are located the top of screen cloth (15), the minimum upper surface butt that is in screen cloth (15) of broken sword (14), spiral pusher piece (16) are located the below of screen cloth (15), the outside surface of spiral pusher piece (16) and the inboard surface butt of feed pipe (2).

7. The feeding device of a single screw extruder as set forth in claim 6, wherein: the lower end of the feeding pipe (2) is fixedly connected with a base (3).