CN213500189U

CN213500189U - Material return device is prevented to twin-screw extruder's granulation vacuum mouth

Info

Publication number: CN213500189U
Application number: CN202022237357.5U
Authority: CN
Inventors: 胡伟
Original assignee: Jiangsu Yongxin Molding Co ltd
Current assignee: Jiangsu Yongxin Molding Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-22
Anticipated expiration: 2030-10-10

Abstract

The utility model relates to a twin-screw extruder technical field discloses a double-screw extruder's granulation vacuum mouth prevents returning charge device, including extruding the barrel, the vertical returning charge bucket that is provided with in lateral wall intermediate position before extruding the barrel, be located the vertical upwards fixed intercommunication in extruder barrel upper portion right side has the vacuum mouth pipe, is located returning charge bucket upper portion fixed cover has closed the top cap, and the vertical downward fixed mounting in top cap upper portion intermediate position has the cylinder. The material discharged from the vacuum port pipe of the utility model is filtered by the screen plate in the material returning barrel; the material is collected at the feed return bucket inner chamber, and when the later stage need be discharged the material in the feed return bucket, the cylinder work drives the otter board and descends, and the otter board jointly drives bottom plate and toper seal block and separately just can discharge the material bottom the feed return bucket through the pull rod, and convenient and fast is comparatively practical, is fit for extensively promoting and using.

Description

Material return device is prevented to twin-screw extruder's granulation vacuum mouth

Technical Field

The utility model relates to a double screw extruder technical field specifically is a double screw extruder's granulation vacuum mouth prevents returning charge device.

Background

The retrieval application number 201020529828.3 discloses a granulation vacuum port anti-return device of a double-screw extruder. The granulating vacuum port material return preventing device of the double-screw extruder comprises a water tank, wherein the water tank is positioned in a shell of the double-screw extruder, a first vacuumizing port of the water tank is communicated with an output port of a vacuum pump through a first vacuum tube, a second vacuumizing port of the water tank is connected with one end of a second vacuum tube, and the water tank is of a sealing structure; the other end of the second vacuum tube is in threaded connection with a first vacuumizing port of the return collecting box, one end of the third vacuum tube is in threaded connection with a second vacuumizing port of the return collecting box, the other end of the third vacuum tube is connected with a vacuum port of the double-screw extruder, and the return collecting box is located outside a shell of the double-screw extruder. Although the device can prevent the return material from entering the water tank, the return material is convenient to clean.

However, the inventor finds that the technical scheme still has at least the following defects:

the material return barrel later stage that sets up among this technical scheme is inconvenient demolishs and gets the material, all is that operating personnel digs and gets, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a material device is prevented returning by twin-screw extruder's granulation vacuum mouth has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a granulating vacuum port anti-return device of a double-screw extruder comprises an extruder barrel, wherein a return barrel is vertically arranged in the middle of the front side wall of the extruder barrel, a vacuum port pipe is vertically and upwards fixedly communicated with the right side of the upper part of the extruder barrel, a top cover is fixedly covered on the upper part of the return barrel, an air cylinder is vertically and downwards fixedly arranged in the middle of the upper part of the top cover, the lower end part of a piston rod of the air cylinder is vertically and fixedly connected with the middle of the upper part of a screen plate, and the screen plate is movably inserted in the upper part of an inner cavity of; the left side and the right side of the upper part of the top cover are respectively and fixedly communicated with the head ends of the second vacuum tube and the first vacuum tube; and a pull rod is vertically and downwards fixedly connected to the middle position of the bottom of the screen plate, the lower end part of the pull rod is fixedly connected with the middle position of the upper part of the bottom plate, and the head end of a first vacuum tube is hermetically inserted in the middle position of the right part of the screen plate.

As a preferred embodiment of the present invention, the mesh plate is a 40-mesh stainless steel mesh plate.

As an optimized implementation manner of the present invention, the tail ends of the second vacuum tube and the first vacuum tube are respectively communicated with the water tank and the vacuum port tube, the water tank is fixedly inserted into the left portion of the inner cavity of the extruder barrel, and the left side of the upper portion of the water tank is communicated with the head end of the third vacuum tube.

As an optimized embodiment of the utility model, the sealed piece of bottom plate upper portion fixedly connected with toper, the sealed laminating of port under sealed piece of toper and the returning charge bucket.

As a preferred embodiment of the utility model, be located the equal fixedly connected with support arm in the wall rear portion about the returning charge bucket, the support arm intermediate position passes through fixing bolt and extruder barrel fixed connection.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the material discharged from the vacuum port pipe of the utility model is filtered by the screen plate in the material returning barrel; the material is collected at the feed return bucket inner chamber, and when the later stage need be discharged the material in the feed return bucket, the cylinder work drives the otter board and descends, and the otter board jointly drives bottom plate and toper seal block and separately just can discharge the material bottom the feed return bucket through the pull rod, convenient and fast.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of a granulation vacuum port anti-returning device of a twin-screw extruder of the present invention;

fig. 2 is the schematic view of the distribution position of the material returning barrel of the granulation vacuum port material returning prevention device of the double-screw extruder on the extruder barrel.

In the figure: 1. an extruder barrel; 2. a water tank; 3. a screen plate; 4. returning the material barrel; 5. a conical sealing block; 6. a pull rod; 7. a base plate; 8. fixing the bolt; 9. a support arm; 10. a vacuum port tube; 11. a first vacuum tube; 12. a cylinder; 13. a top cover; 14. a second vacuum tube; 15. a third vacuum tube.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a granulating vacuum port anti-return device of a double-screw extruder comprises an extruder barrel 1, a return barrel 4 is vertically arranged in the middle of the front side wall of the extruder barrel 1, a vacuum port pipe 10 is vertically and upwards fixedly communicated with the right side of the upper part of the extruder barrel 1, a top cover 13 is fixedly covered on the upper part of the return barrel 4, an air cylinder 12 is vertically and downwards fixedly arranged in the middle of the upper part of the top cover 13, the lower end part of a piston rod of the air cylinder 12 is vertically and fixedly connected with the middle of the upper part of a screen plate 3, and the screen plate 3 is movably inserted in the upper part of an inner cavity; the left side and the right side of the upper part of the top cover 13 are respectively and fixedly communicated with the head ends of the second vacuum tube 14 and the first vacuum tube 11; lie in the vertical fixedly connected with pull rod 6 downwards of 3 bottom intermediate positions of otter board, 6 lower tip and 7 upper portion intermediate positions fixed connection of bottom plate under the pull rod, 11 head ends of first vacuum tube are sealed to be pegged graft in 3 right side intermediate positions of otter board, and are concrete: the material discharged from the vacuum port pipe 10 is filtered by the screen plate 3 in the material returning barrel 4; the material is collected in the inner chamber of material returning bucket 4, and when the later stage need be discharged the material in the material returning bucket 4, cylinder 12 work drove otter board 3 and descends, and otter board 3 jointly drives bottom plate 7 and toper seal block 5 and separately just can discharge the material through pull rod 6, convenient and fast with material returning bucket 4 bottom.

In this example, the mesh plate 3 is a 40-mesh stainless steel mesh plate.

In this embodiment (see fig. 1), the tail ends of the second vacuum tube 14 and the first vacuum tube 11 are respectively and fixedly communicated with the water tank 2 and the vacuum port tube 10, the water tank 2 is fixedly inserted into the left portion of the inner cavity of the extruder barrel 1, and the left side of the upper portion of the water tank 2 is fixedly communicated with the head end of the third vacuum tube 15.

In this embodiment (as shown in fig. 1), the upper portion of the bottom plate 7 is fixedly connected with a conical sealing block 5, and the conical sealing block 5 is in sealing fit with the lower port of the material returning barrel 4.

In this embodiment (see fig. 1), the rear portions of the left and right side walls of the material returning barrel 4 are fixedly connected with supporting arms 9, and the middle position of the supporting arm 9 is fixedly connected with the extruder barrel 1 through a fixing bolt 8.

It should be noted that, the utility model relates to a double screw extruder's granulation vacuum port prevents returning charge device, each is the part that general standard component or technical staff in the field know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

The working principle is as follows: the material discharged from the vacuum port pipe 10 is filtered by the screen plate 3 in the material returning barrel 4; the material is collected in the inner chamber of material returning bucket 4, and when the later stage need be discharged the material in the material returning bucket 4, cylinder 12 work drove otter board 3 and descends, and otter board 3 jointly drives bottom plate 7 and toper seal block 5 and separately just can discharge the material through pull rod 6, convenient and fast with material returning bucket 4 bottom.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a double screw extruder's granulation vacuum port prevents returning charge device which characterized in that: the extruder comprises an extruder barrel (1), a material returning barrel (4) is vertically arranged in the middle of the front side wall of the extruder barrel (1), a vacuum port pipe (10) is vertically and upwards fixedly communicated with the right side of the upper part of the extruder barrel (1), a top cover (13) is fixedly covered on the upper part of the material returning barrel (4), an air cylinder (12) is vertically and downwards fixedly arranged in the middle of the upper part of the top cover (13), the lower end part of a piston rod of the air cylinder (12) is vertically and fixedly connected with the middle of the upper part of a screen plate (3), and the screen plate (3) is movably inserted in the upper part of an inner cavity of the; the left side and the right side of the upper part of the top cover (13) are respectively and fixedly communicated with the head ends of the second vacuum tube (14) and the first vacuum tube (11); the middle position of the bottom of the screen plate (3) is vertically and downwards fixedly connected with a pull rod (6), the lower end part of the pull rod (6) is fixedly connected with the middle position of the upper part of the bottom plate (7), and the head end of a first vacuum tube (11) is hermetically inserted in the middle position of the right part of the screen plate (3).

2. The pelletizing vacuum port material return prevention device of the double-screw extruder as claimed in claim 1, characterized in that: the screen plate (3) is a 40-mesh stainless steel screen plate.

3. The pelletizing vacuum port material return prevention device of the double-screw extruder as claimed in claim 1, characterized in that: the tail ends of the second vacuum tube (14) and the first vacuum tube (11) are respectively fixedly communicated with the water tank (2) and the vacuum port tube (10), the water tank (2) is fixedly inserted in the left part of the inner cavity of the extruder barrel (1), and the left side of the upper part of the water tank (2) is fixedly communicated with the head end of the third vacuum tube (15).

4. The pelletizing vacuum port material return prevention device of the double-screw extruder as claimed in claim 1, characterized in that: the upper part of the bottom plate (7) is fixedly connected with a conical sealing block (5), and the conical sealing block (5) is in sealing fit with a lower port of the material returning barrel (4).

5. The pelletizing vacuum port material return prevention device of the double-screw extruder as claimed in claim 1, characterized in that: the rear parts of the left side wall and the right side wall of the material returning barrel (4) are fixedly connected with support arms (9), and the middle positions of the support arms (9) are fixedly connected with the extruder barrel (1) through fixing bolts (8).