CN222387566U - Feeding anti-blocking device of double-screw extruder - Google Patents

Abstract

The utility model belongs to the technical field of double-screw extruders, in particular to a feeding anti-blocking device of a double-screw extruder, aiming at the problem of blocking a feeding port provided by the background technology, the utility model provides a scheme which comprises a feeding frame, wherein a fixed shaft is welded on the inner wall of the feeding frame, and two sides of the outer wall of the fixed shaft are rotationally connected with a screen. According to the utility model, the screen can prevent large-size impurities from entering the extruder, the rotating shaft is driven to rotate by the servo motor, the conical head on the rotating shaft can crush viscous materials, the feeding difficulty is reduced, the feeding hole of the extruder is prevented from being blocked, the two sealing plates can be controlled to move downwards simultaneously by pushing the connecting plate downwards through the air cylinder, at the moment, one end, far away from the fixed shaft, of the two screens is inclined downwards under the influence of gravity, the cleaning space is increased, the structure is reasonable, impurities attached to the surface of the screens can be quickly swept away, and the cleaning difficulty of the screens is reduced.

Description

Feeding anti-blocking device of double-screw extruder

Technical Field

The utility model relates to the technical field of double-screw extruders, in particular to a feeding anti-blocking device of a double-screw extruder.

Background

The double screw extruder is one kind of common extruding equipment, and it adopts two screws to extrude material, heat and fuse and then mold via mold head, and is used widely in plastic, rubber, chemical industry, food and other fields.

In the use process of the double-screw extruder, the feeding port part can be blocked, the material returning and the like, the extruder can be stopped or the product quality is reduced, the feeding port is blocked, the material is present, the material viscosity is too high, and the impurities in the material are too large, so that the smooth feeding of the material into the extruder can be influenced.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a feeding anti-blocking device of a double-screw extruder, which overcomes the defects of the prior art and effectively solves the problem of blocking a feed inlet.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The feeding anti-blocking device of the double-screw extruder comprises a feeding frame, wherein a fixed shaft is welded on the inner wall of the feeding frame, screens are rotatably connected to the two sides of the outer wall of the fixed shaft, a servo motor is fixedly connected to the outer wall of one side of the feeding frame through bolts, a rotating shaft is fixedly connected to an output shaft of the servo motor, and a cone head is welded on the outer wall of the rotating shaft;

The feeding frame is characterized in that side bottom plates are welded on the outer walls of two sides of the feeding frame, sealing plates are connected to the inner walls of the side bottom plates in a sliding mode, a connecting plate is welded between the two sealing plates, and an air cylinder is fixedly connected to the outer wall of the top of the connecting plate.

Preferably, the cylinder is fixedly connected to the outer wall of the other side of the feeding frame through bolts.

Preferably, the outer walls of the two sides of the feeding frame are provided with cleaning openings, and the sizes of the cleaning openings are matched with the sizes of the sealing plates.

Preferably, the outer wall of one side of the sealing plate is welded with a fixing plate, the inner wall of the fixing plate is connected with a guide rod in a sliding mode, and the guide rod is fixedly connected to the inner wall of the feeding frame.

Preferably, the outer wall of the bottom of the feeding frame is welded with a blanking frame.

Preferably, the bottom of the blanking frame is fixedly connected with the machine box through bolts, and the outer wall of the top of the machine box is provided with a feed inlet.

Preferably, a driving motor is installed on the outer wall of one side of the case, and a double screw is installed on one side of a gear box of the driving motor.

The beneficial effects of the utility model are as follows:

1. According to the feeding anti-blocking device of the double-screw extruder, two screens are arranged on the inner wall of the feeding frame, the screens can block large-size impurities from entering the extruder, meanwhile, the servo motor drives the rotating shaft to rotate, the conical head on the rotating shaft can crush viscous materials, the feeding difficulty is reduced, and the feeding port of the extruder is prevented from being blocked;

2. The feeding anti-blocking device of the double-screw extruder can control two sealing plates to move downwards simultaneously by pushing the connecting plate downwards through the air cylinder, at the moment, one end of each screen, which is far away from the fixed shaft, is inclined downwards under the influence of gravity, the two sides of the feeding frame are provided with cleaning openings with larger sizes, the cleaning space is increased, the structure is reasonable, impurities attached to the surface of each screen can be quickly swept away, and the difficulty of cleaning the screen is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a feed anti-clogging device of a twin-screw extruder according to the present utility model;

Fig. 2 is a schematic diagram of a connection structure of a feeding frame of a feeding anti-blocking device of a twin-screw extruder according to the present utility model;

Fig. 3 is a schematic view of an opening state structure of a feeding frame of a feeding anti-blocking device of a twin-screw extruder according to the present utility model;

Fig. 4 is a schematic diagram of a connection structure of a casing of a feeding anti-blocking device of a twin-screw extruder according to the present utility model.

The device comprises a feeding frame 1, a fixed shaft 2, a screen 3, a servo motor 4, a rotary shaft 5, a conical head 6, a side bottom plate 7, a sealing plate 8, a connecting plate 9, a connecting plate 10, a cylinder 11, a cleaning port 12, a fixed plate 13, a guide rod 14, a blanking frame 15, a machine case 16, a feeding port 17, a driving motor 18 and a double screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Embodiment one, refer to fig. 2, a feeding anti-clogging device of twin-screw extruder, including feeding frame 1, feeding frame 1 inner wall welding has fixed axle 2, and the both sides of fixed axle 2 outer wall all rotate to be connected with screen cloth 3, through bolt fixedly connected with servo motor 4 on feeding frame 1 one side outer wall, and servo motor 4 output shaft fixedly connected with rotation axis 5, rotation axis 5 outer wall welding has conical head 6.

In this embodiment, set up two screens 3 at the inner wall of feeding frame 1, screen 3 can block in the jumbo size impurity enters into the extruder, drives rotation axis 5 through servo motor 4 simultaneously this rotates, and the conical head 6 on the rotation axis 5 can broken the viscous material, has reduced the degree of difficulty of feeding, prevents that the feed inlet 16 of extruder from taking place to block up.

In the second embodiment, referring to fig. 3, a feeding anti-blocking device of a twin-screw extruder is provided, side bottom plates 7 are welded on the outer walls of two sides of a feeding frame 1, sealing plates 8 are slidably connected on the inner walls of the side bottom plates 7, a connecting plate 9 is welded between the two sealing plates 8, and a cylinder 10 is fixedly connected on the outer wall of the top of the connecting plate 9.

In this embodiment, promote connecting plate 9 through cylinder 10 downwards and can control two closing plates 8 simultaneously downwardly moving, two screen cloth 3 are kept away from the one end downward sloping of fixed axle 2 under the influence of gravity this moment, and the clearance mouth 11 of great size has appeared on the both sides of feeding frame 1, has increased the space of clearance, and is rational in infrastructure, can sweep away the impurity of adhering to at screen cloth 3 surface fast, has reduced the degree of difficulty of screen cloth 3 clearance.

Referring to fig. 3, the cylinder 10 is fixedly coupled to the other side outer wall of the feed frame 1 by bolts.

Referring to fig. 3, the outer walls of two sides of the feeding frame 1 are provided with cleaning openings 11, and the sizes of the cleaning openings 11 are matched with the sizes of the sealing plates 8.

Referring to fig. 3, a fixing plate 12 is welded to the outer wall of one side of the sealing plate 8, and a guide rod 13 is slidably connected to the inner wall of the fixing plate 12, and the guide rod 13 is fixedly connected to the inner wall of the feeding frame 1.

Referring to fig. 3, a blanking frame 14 is welded to the outer wall of the bottom of the feeding frame 1.

Referring to fig. 4, the bottom of the blanking frame 14 is fixedly connected with a case 15 through bolts, and a feed inlet 16 is formed in the outer wall of the top of the case 15.

Referring to fig. 1 to 4, a driving motor 17 is installed at an outer wall of one side of the cabinet 15, and a twin screw 18 is installed at a gear box side of the driving motor 17.

The working principle is that after the material enters the feeding frame 1, the screen 3 can prevent large-sized impurities from continuously falling, meanwhile, the rotating shaft 5 is driven to rotate by the servo motor 4, the conical head 6 on the rotating shaft 5 can crush viscous materials, the crushed materials can enter the machine box 15 along the discharging frame 14, the double screw 18 is driven to rotate by the driving motor 17 to extrude the materials,

When the screen cloth 3 is cleaned, the connecting plate 9 is pushed downwards through the air cylinder 10, two sealing plates 8 can be controlled to move downwards simultaneously, at the moment, one end, away from the fixed shaft 2, of the two screen cloth 3 is inclined downwards under the influence of gravity, and an operator can quickly sweep away impurities attached to the surface of the screen cloth 3 through the cleaning opening 11 by using a cleaning tool.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The feeding anti-blocking device of the double-screw extruder comprises a feeding frame (1) and is characterized in that a fixed shaft (2) is welded on the inner wall of the feeding frame (1), a screen (3) is rotationally connected to two sides of the outer wall of the fixed shaft (2), a servo motor (4) is fixedly connected to the outer wall of one side of the feeding frame (1) through bolts, a rotating shaft (5) is fixedly connected to an output shaft of the servo motor (4), and a conical head (6) is welded on the outer wall of the rotating shaft (5);

The feeding frame is characterized in that side bottom plates (7) are welded on the outer walls of two sides of the feeding frame (1), sealing plates (8) are connected to the inner walls of the side bottom plates (7) in a sliding mode, connecting plates (9) are welded between the sealing plates (8), and an air cylinder (10) is fixedly connected to the outer walls of the tops of the connecting plates (9).

2. Feeding anti-clogging device of a twin screw extruder according to claim 1, characterized in that the cylinder (10) is fixedly connected to the other side outer wall of the feeding frame (1) by means of bolts.

3. The feeding anti-blocking device of the double-screw extruder according to claim 1, wherein the outer walls of the two sides of the feeding frame (1) are provided with cleaning openings (11), and the size of the cleaning openings (11) is matched with that of the sealing plate (8).

4. The feeding anti-blocking device of the double-screw extruder according to claim 1, wherein a fixing plate (12) is welded on the outer wall of one side of the sealing plate (8), a guide rod (13) is slidably connected to the inner wall of the fixing plate (12), and the guide rod (13) is fixedly connected to the inner wall of the feeding frame (1).

5. The feeding anti-blocking device of the double-screw extruder according to claim 1, wherein a blanking frame (14) is welded on the outer wall of the bottom of the feeding frame (1).

6. The feeding anti-blocking device of the double-screw extruder according to claim 5, wherein the bottom of the blanking frame (14) is fixedly connected with a machine case (15) through bolts, and a feeding port (16) is formed in the outer wall of the top of the machine case (15).

7. The feeding anti-blocking device of the double-screw extruder according to claim 6, wherein a driving motor (17) is installed on the outer wall of one side of the machine case (15), and a double screw (18) is installed on the gear box side of the driving motor (17).