CN213441069U

CN213441069U - Improved structure of screw barrel vacuum chamber of plastic extruder

Info

Publication number: CN213441069U
Application number: CN202022357654.3U
Authority: CN
Inventors: 张双计
Original assignee: Tianjin Kailite Plastic Products Co ltd
Current assignee: Tianjin Kailite Plastic Products Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-15
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a real empty room's of plastics extruder spiral shell improvement structure, including bottom plate, bellows, roof and second connecting pipe, the bottom plate upper surface is fixed with the pipeline through solid fixed ring, bottom plate upper surface four corners department is fixed with the spring respectively, four the top of spring is fixed with the four corners department of roof lower surface respectively, roof and bottom plate elastic connection, the symmetry embedding is fixed with two first connecting pipes, two on the roof the bottom of first connecting pipe communicates with the top of two bellows respectively, two the bottom of bellows communicates with the pipeline respectively, be connected through bolt and nut between the fixed flange in first connecting pipe top and the fixed flange in second connecting pipe bottom. The utility model has the advantages of increase spring mechanism, offset the gravity of pipeline self through the ascending elasticity of spring, avoid the junction to bear the power of decurrent.

Description

Improved structure of screw barrel vacuum chamber of plastic extruder

Technical Field

The utility model relates to a plastics processing technology field specifically is a real empty room's of plastics extruder spiral shell section of thick bamboo improvement structure.

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 can be matched with various plastic forming auxiliary machines such as pipes, films, rods, monofilaments, flat wires, packing belts, extrusion nets, plates (sheets), profiles, pelleting, cable coating and the like to form various plastic extrusion forming production lines and produce various plastic products.

And the screw barrel vacuum chamber on the plastic extruder is vacuumized through a corresponding vacuum machine, and a pipeline for vacuumizing is connected with the screw barrel vacuum chamber through a flange. The common vacuum-pumping pipeline is in a suspended state after being connected, and the pipeline can be pulled by downward gravity, so that the connection part bears downward force.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a real empty room's of plastics extruder spiral shell section of thick bamboo improvement structure possesses the increase spring mechanism, offsets the gravity of pipeline self through the ascending elasticity of spring, avoids the junction to bear the advantage of decurrent power, is in unsettled state after having solved the pipe connection of evacuation usefulness, and self has decurrent gravity to drag, makes the junction bear the problem of decurrent power.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a real empty room's of plastics extruder barrel improvement structure, includes bottom plate, bellows, roof and second connecting pipe, the bottom plate upper surface is fixed with the pipeline through solid fixed ring, bottom plate upper surface four corners department is fixed with the spring respectively, four the top of spring is fixed with the four corners department of roof lower surface respectively, roof and bottom plate elastic connection, the symmetry embedding is fixed with two first connecting pipes on the roof, two the bottom of first connecting pipe communicates with the top of two bellows respectively, two the bottom of bellows communicates with the pipeline respectively, be connected through bolt and nut between the flange fixed on first connecting pipe top and the flange fixed of second connecting pipe bottom.

Preferably, a vacuum tube is fixed at one end of the pipeline and communicated with the interior of the pipeline.

Preferably, a through groove matched with the first connecting pipe is formed in the top plate, and the first connecting pipe is located in the through groove.

Preferably, the flange at the top end of the first connecting pipe and the flange at the bottom end of the second connecting pipe are respectively provided with a through hole matched with a bolt, the bolt penetrates through the through holes in the two flanges, and the bottom end of the bolt is provided with a nut in a threaded manner.

Preferably, the first connecting pipe is communicated with the second connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a set up bottom plate, roof and spring, reached and offset the gravity of pipeline self through the ascending elasticity of spring, avoided the junction to bear the effect of decurrent power, the utility model discloses be provided with bottom plate, roof and spring, the bottom plate is fixed on the real empty room below equipment frame of spiral shell section of thick bamboo, and the pipeline passes through the outside evacuation equipment of vacuum tube connection, and flange and second connecting tube bottom end are fixed to first connecting pipe top. After the top end of the first connecting pipe and the bottom end of the second connecting pipe are fixed, the spring is in a compression state, the spring generates upward elastic force, and under the elastic force action of the spring, the top plate jacks upwards to enable the first connecting pipe to receive upward acting force, so that the gravity of the first connecting pipe is offset, the joint is prevented from bearing downward force, and the joint of the first connecting pipe and the second connecting pipe is more stable.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is an enlarged schematic view of the utility model at a;

fig. 3 is a left side view structure diagram of the present invention.

In the figure: 1. a vacuum tube; 2. a base plate; 3. a pipeline; 4. a fixing ring; 5. a bellows; 6. a spring; 7. a top plate; 8. a first connecting pipe; 9. a second connecting pipe; 10. a flange; 11. a nut; 12. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: the utility model provides a real empty room's of barrel improvement structure of plastics extruder spiral shell, includes bottom plate 2, bellows 5, roof 7 and second connecting pipe 9, and bottom plate 2 is fixed on the real empty room below equipment frame of barrel, and 2 upper surfaces of bottom plate are fixed with pipeline 3 through solid fixed ring 4, and solid fixed ring 4 bottom mounting is on bottom plate 2, and solid fixed ring 4 front end installs the hasp, and solid fixed ring 4 can be opened. A vacuum tube 1 is fixed at one end of the pipeline 3, the vacuum tube 1 is communicated with the interior of the pipeline 3, and the pipeline 3 is connected with external vacuum-pumping equipment through the vacuum tube 1.

The four corners of the upper surface of the bottom plate 2 are respectively fixed with springs 6, the top ends of the four springs 6 are respectively fixed with the four corners of the lower surface of the top plate 7, and the top plate 7 is elastically connected with the bottom plate 2. The spring 6 is selected by the person skilled in the art according to the actual use situation.

Two first connecting pipes 8 are symmetrically embedded and fixed on the top plate 7, a through groove matched with the first connecting pipe 8 is formed in the top plate 7, and the first connecting pipe 8 is located in the through groove. The flange 10 fixed at the top end of the first connecting pipe 8 is connected with the flange 10 fixed at the bottom end of the second connecting pipe 9 through a bolt 12 and a nut 11, the flange 10 at the top end of the first connecting pipe 8 and the flange 10 at the bottom end of the second connecting pipe 9 are respectively provided with a through hole matched with the bolt 12, the bolt 12 penetrates through the through holes in the two flanges 10, and the nut 11 is installed at the bottom end of the bolt 12 through threads. Second connecting pipe 9 is fixed in the real empty room bottom of spiral shell section of thick bamboo, and 8 tops of first connecting pipe and the back of 9 bottom fixings of second connecting pipe, spring 6 are in compression state, and spring 6 produces ascending elasticity, and under the elastic force effect of spring 6, roof 7 jack-up that makes progress makes first connecting pipe 8 receive ascending effort, offsets the gravity of first connecting pipe 8 self, avoids the junction to bear decurrent power, makes the junction of first connecting pipe 8 and second connecting pipe 9 more stable.

The first connecting pipes 8 are communicated with the second connecting pipes 9, the bottom ends of the two first connecting pipes 8 are respectively communicated with the top ends of the two corrugated pipes 5, and the bottom ends of the two corrugated pipes 5 are respectively communicated with the pipeline 3. An external vacuum-pumping machine is started, and the interior of the screw cylinder vacuum chamber is vacuumized through the pipeline 3, the corrugated pipe 5, the first connecting pipe 8 and the second connecting pipe 9 which are sequentially communicated.

The working principle is as follows: the bottom plate 2 is fixed on an equipment frame below the screw cylinder vacuum chamber, the second connecting pipe 9 is fixed at the bottom of the screw cylinder vacuum chamber, the top end of the first connecting pipe 8 is fixed with the bottom end of the second connecting pipe 9, and the pipeline 3 is connected with external vacuum-pumping equipment through the vacuum pipe 1.

After the top end of the first connecting pipe 8 and the bottom end of the second connecting pipe 9 are fixed, the spring 6 is in a compressed state, the spring 6 generates upward elastic force, and the top plate 7 is jacked upwards under the elastic force action of the spring 6, so that the first connecting pipe 8 is subjected to upward acting force to counteract the gravity of the first connecting pipe 8.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims

1. The utility model provides a real empty room's of plastics extruder spiral shell improvement structure, includes bottom plate (2), bellows (5), roof (7) and second connecting pipe (9), its characterized in that: bottom plate (2) upper surface is fixed with pipeline (3) through solid fixed ring (4), bottom plate (2) upper surface four corners department is fixed with spring (6), four respectively the top of spring (6) is fixed with the four corners department of roof (7) lower surface respectively, roof (7) and bottom plate (2) elastic connection, roof (7) are gone up the symmetry embedding and are fixed with two first connecting pipes (8), two the bottom of first connecting pipe (8) communicates with the top of two bellows (5) respectively, two the bottom of bellows (5) communicates with pipeline (3) respectively, be connected through bolt (12) and nut (11) between flange (10) of first connecting pipe (8) top fixed and second connecting pipe (9) bottom mounting's flange (10).

2. The improved structure of the screw barrel vacuum chamber of the plastic extruder in claim 1, wherein: a vacuum tube (1) is fixed at one end of the pipeline (3), and the vacuum tube (1) is communicated with the interior of the pipeline (3).

3. The improved structure of the screw barrel vacuum chamber of the plastic extruder in claim 1, wherein: and a through groove matched with the first connecting pipe (8) is formed in the top plate (7), and the first connecting pipe (8) is positioned in the through groove.

4. The improved structure of the screw barrel vacuum chamber of the plastic extruder in claim 1, wherein: through holes matched with the bolts (12) are formed in the flange (10) at the top end of the first connecting pipe (8) and the flange (10) at the bottom end of the second connecting pipe (9) respectively, the bolts (12) penetrate through the through holes in the two flanges (10), and nuts (11) are installed at the bottom ends of the bolts (12) in a threaded mode.

5. The improved structure of the screw barrel vacuum chamber of the plastic extruder in claim 1, wherein: the first connecting pipe (8) is communicated with the second connecting pipe (9).