阅读说明：本技术 挤出机用侧向排气机 (Side exhaust machine for extruder ) 是由 何海潮 李祥 于 2020-12-10 设计创作，主要内容包括：本发明公开了一种挤出机用侧向排气机,它包括排气机筒体、排气室、螺杆和旋转驱动机构,所述排气机筒体的一端与挤出机的筒体相连通,且所述排气机筒体垂直于挤出机的筒体；所述排气室与所述排气机筒体相连通,外部抽真空设备通过排气管与所述排气室相连通；所述螺杆位于所述排气机筒体内,并贯穿所述排气机筒体；所述旋转驱动机构位于排气机筒体的另一端,并与所述螺杆相连以驱动螺杆旋转以使得物料留在挤出机内。本发明可以有效地抽出挤出机的物料中的水蒸气、低分子挥发物,并可以有效防止冒料。(The invention discloses a lateral exhauster for an extruder, which comprises an exhauster barrel, an exhaust chamber, a screw and a rotary driving mechanism, wherein one end of the exhauster barrel is communicated with the barrel of the extruder, and the exhauster barrel is vertical to the barrel of the extruder; the exhaust chamber is communicated with the exhaust machine cylinder, and external vacuum-pumping equipment is communicated with the exhaust chamber through an exhaust pipe; the screw is positioned in the exhaust machine cylinder and penetrates through the exhaust machine cylinder; the rotary driving mechanism is positioned at the other end of the exhaust machine cylinder and is connected with the screw to drive the screw to rotate so that the material is left in the extruder. The invention can effectively extract water vapor and low molecular volatile matters in the material of the extruder and can effectively prevent material overflow.)

1. A side exhaust fan for an extruder, which is characterized in that,

it includes:

one end of the exhaust machine cylinder is communicated with the cylinder of the extruder, and the exhaust machine cylinder is vertical to the cylinder of the extruder;

the exhaust chamber (1), the exhaust chamber (1) is communicated with the exhaust machine cylinder, and external vacuum-pumping equipment is communicated with the exhaust chamber (1) through an exhaust pipe;

the screw (2) is positioned in the exhaust machine cylinder body, and penetrates through the exhaust machine cylinder body;

and the rotary driving mechanism is positioned at the other end of the exhaust machine cylinder and is connected with the screw (2) to drive the screw (2) to rotate so that the material is left in the extruder.

2. A side vent for an extruder in accordance with claim 1,

the exhaust chamber (1) is provided with a glass sight glass for observing the condition in the exhaust chamber (1).

3. A side vent for an extruder in accordance with claim 1,

the exhaust pipe is provided with a vacuum gauge for measuring the vacuum degree in the exhaust pipe.

4. A side vent for an extruder in accordance with claim 1,

the lower end of the exhaust machine cylinder body is communicated with a discharge cylinder (3) which is used for discharging materials in the exhaust machine cylinder body and can be closed or opened.

5. The side vent for extruders of claim 4,

the exhaust machine cylinder comprises a connecting cylinder (4) and an exhaust cylinder (5); wherein

One end of the connecting cylinder (4) is communicated with the cylinder of the extruder, and the other end of the connecting cylinder is communicated with one end of the exhaust cylinder (5); a sealing ring is arranged between the other end of the connecting cylinder body (4) and one end of the exhaust cylinder body (5);

the rotary driving mechanism is positioned at the other end of the exhaust cylinder body (5), and the exhaust chamber (1) and the discharge cylinder (3) are respectively communicated with the exhaust cylinder body (5).

6. A side vent for an extruder in accordance with claim 1,

and a red copper pad (6) is arranged between the exhaust chamber (1) and the exhaust machine cylinder.

7. A side vent for an extruder in accordance with claim 1,

the rotary driving mechanism comprises a speed reducing motor (7) and a transmission case (8), an input shaft of the speed reducing motor (7) is connected with an output shaft of the transmission case (8), and an output shaft of the transmission case (8) is connected with the screw (2).

8. The side vent for extruders of claim 7,

the two screw rods (2) are arranged, the two output shafts of the transmission case (8) are arranged in parallel, and each screw rod (2) is connected with one output shaft of the transmission case (8).

9. A side vent for an extruder in accordance with claim 1,

the exhaust fan is characterized by further comprising a connecting body (9) which is arranged at the other end of the exhaust fan cylinder body and used for sealing the other end of the exhaust fan cylinder body, the screw rod (2) is rotatably supported on the connecting body (9), and at least one rotary combined seal (10) is arranged between the screw rod (2) and the connecting body (9).

10. The side vent for extruders of claim 9,

the rotary driving mechanism and the connecting body (9) are respectively arranged on the bracket (11).

Technical Field

The invention relates to a side exhaust fan for an extruder.

Background

With the development of industrial technology, the co-rotating twin-screw extruder used as main processing equipment for filling, engineering plastics and the like has excellent conveying and building pressure capabilities, good mixing performance and high-efficiency melting and plasticizing efficiency, is widely applied to the polymer processing industry, and with the rise of high torque, high speed and labor cost, customers have high requirements on product performance and quality, and pay more attention to equipment practicability. In the material processing process, the traditional common vacuum exhaust mode cannot meet the requirements of customers. The original vacuum exhaust mode has poor sealing performance and exhaust effect, and materials in the extruder can be pumped into an exhaust pipeline to cause blockage in the exhaust process, so that unsmooth exhaust is caused.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a side exhauster for an extruder, which can effectively extract water vapor and low-molecular volatile matters in materials of the extruder and can effectively prevent material overflow.

In order to solve the technical problems, the technical scheme of the invention is as follows: a side vent for an extruder, comprising:

one end of the exhaust machine cylinder is communicated with the cylinder of the extruder, and the exhaust machine cylinder is vertical to the cylinder of the extruder;

the exhaust chamber is communicated with the exhaust machine cylinder, and external vacuumizing equipment is communicated with the exhaust chamber through an exhaust pipe;

the screw is positioned in the exhaust machine cylinder and penetrates through the exhaust machine cylinder;

and the rotary driving mechanism is positioned at the other end of the exhaust machine cylinder and is connected with the screw to drive the screw to rotate so that the material is left in the extruder.

Further to facilitate observation of the conditions within the exhaust chamber, the exhaust chamber is provided with a glass sight glass for observing the conditions within the exhaust chamber.

Further, in order to conveniently monitor the vacuum degree in the exhaust pipe, the exhaust pipe is provided with a vacuum meter for measuring the vacuum degree in the exhaust pipe.

Further in order to conveniently clean waste materials entering the exhaust machine barrel, the lower end of the exhaust machine barrel is communicated with a discharge barrel which is used for discharging materials in the exhaust machine barrel and can be closed or opened.

The specific structure of the exhaust machine cylinder is further provided, and the exhaust machine cylinder comprises a connecting cylinder and an exhaust cylinder; wherein

One end of the connecting cylinder is communicated with the cylinder of the extruder, and the other end of the connecting cylinder is communicated with one end of the exhaust cylinder; a sealing ring is arranged between the other end of the connecting cylinder body and one end of the exhaust cylinder body;

the rotary driving mechanism is positioned at the other end of the exhaust cylinder body, and the exhaust chamber and the exhaust cylinder are respectively communicated with the exhaust cylinder body.

Furthermore, a red copper pad is arranged between the exhaust chamber and the exhaust machine cylinder.

The specific structure of the rotary driving mechanism is further provided, the rotary driving mechanism comprises a speed reducing motor and a transmission case, an input shaft of the speed reducing motor is connected with an output shaft of the transmission case, and an output shaft of the transmission case is connected with the screw rod.

Furthermore, the number of the screw rods is two, the number of the output shafts of the transmission case is two, and each screw rod is connected with one output shaft of the transmission case.

Further in order to ensure the vacuum degree in the exhauster, the lateral exhauster for the extruder further comprises a connecting body which is arranged at the other end of the exhauster barrel body and used for plugging the other end of the exhauster barrel body, the screw is rotatably supported on the connecting body, and at least one rotary combined seal is arranged between the screw and the connecting body.

Further, the side exhaust fan for the extruder further comprises a support, and the rotary driving mechanism and the connecting body are respectively installed on the support.

After the technical scheme is adopted, the screw is driven to rotate by the rotary driving mechanism, the screw ensures that materials are kept in the barrel of the extruder through the rotation of the screw, and meanwhile, water vapor and low-molecular volatile matters in the materials of the extruder enter the exhaust chamber from a gap between the screw and the barrel of the exhaust machine and are exhausted from the exhaust pipe under the action of external vacuum-pumping equipment; the invention is also provided with a discharge cylinder, thereby being convenient for cleaning the waste material in the cylinder body of the exhaust machine.

Drawings

FIG. 1 is a schematic structural view of a side vent for an extruder according to the present invention.

Detailed Description

In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

As shown in fig. 1, a side vent for an extruder includes:

one end of the exhaust machine cylinder is communicated with the cylinder of the extruder, and the exhaust machine cylinder is vertical to the cylinder of the extruder;

the exhaust chamber 1 is communicated with the exhaust machine cylinder, and external vacuum-pumping equipment is communicated with the exhaust chamber 1 through an exhaust pipe;

the screw 2 is positioned in the exhaust machine cylinder and penetrates through the exhaust machine cylinder;

and the rotary driving mechanism is positioned at the other end of the exhaust machine cylinder and is connected with the screw 2 to drive the screw 2 to rotate so that the material is left in the extruder.

Specifically, the screw 2 is driven to rotate by the rotary driving mechanism, the screw 2 ensures that materials are kept in a barrel of the extruder through the rotation of the screw, meanwhile, water vapor and low-molecular volatile matters in the materials of the extruder enter the exhaust chamber 1 from a gap between the screw 2 and the barrel of the exhaust machine and are exhausted from the exhaust pipe under the action of external vacuum-pumping equipment.

In this embodiment, in order to facilitate monitoring of the degree of vacuum in the exhaust pipe, the exhaust pipe is equipped with a vacuum gauge for measuring the degree of vacuum therein.

As shown in fig. 1, in order to facilitate observation of the inside of the exhaust chamber 1, the exhaust chamber 1 is provided with a glass sight glass for observing the inside of the exhaust chamber 1.

As shown in fig. 1, in order to facilitate cleaning of waste material entering the exhaust machine cylinder, the lower end of the exhaust machine cylinder is communicated with a discharge cylinder 3 which is used for discharging the material therein and can be closed or opened.

Particularly, the invention is also provided with the discharge cylinder 3, so that waste materials in the cylinder body of the exhaust machine can be conveniently cleaned.

As shown in fig. 1, the exhaust machine cylinder includes a connection cylinder 4 and an exhaust cylinder 5; wherein

One end of the connecting cylinder 4 is communicated with the cylinder of the extruder, and the other end of the connecting cylinder is communicated with one end of the exhaust cylinder 5; a sealing ring is arranged between the other end of the connecting cylinder body 4 and one end of the exhaust cylinder body 5;

the rotary driving mechanism is positioned at the other end of the exhaust cylinder body 5, and the exhaust chamber 1 and the discharge cylinder 3 are respectively communicated with the exhaust cylinder body 5.

Specifically, a sealing ring is arranged between the end faces of the exhaust cylinder 5 and the connecting cylinder 4, so that the sealing performance is ensured, and further the vacuum degree is ensured.

As shown in fig. 1, a red copper pad 6 is arranged between the exhaust chamber 1 and the exhaust machine cylinder.

In this embodiment, a barrier net for blocking the material from entering the exhaust chamber 1 is arranged in the red copper pad 6.

As shown in fig. 1, the rotation driving mechanism includes a reduction motor 7 and a transmission case 8, an input shaft of the reduction motor 7 is connected to an output shaft of the transmission case 8, and an output shaft of the transmission case 8 is connected to the screw 2.

In the embodiment, the speed reducing motor 7 adopts a K series bevel gear speed reducing motor with the model of KAF57-DRE132S2-6.57-M2A-270 degrees.

In the present embodiment, there are two screw rods 2, there are two output shafts of the transmission case 8, and each screw rod 2 is connected to one output shaft of the transmission case 8.

Specifically, because the homodromous double-screw 2 structure has the self-cleaning characteristic than the single-screw 2 structure, two screws 2 are arranged, and the cleaning is facilitated.

As shown in fig. 1, in order to ensure the vacuum degree in the exhauster, the side exhauster for the extruder further includes a connecting body 9 installed at the other end of the exhauster cylinder to close the other end of the exhauster cylinder, the screw 2 is rotatably supported on the connecting body 9, and at least one rotary combination seal 10 is provided between the screw 2 and the connecting body 9.

In the present embodiment, two rotary composite seals 10 are provided in parallel.

As shown in fig. 1, the side vent for the extruder further includes a bracket 11, and the rotary driving mechanism and the connecting body 9 are respectively mounted on the bracket 11.

In this embodiment, in order to facilitate the movement of the stand 11, a plurality of casters 12 are mounted to the bottom of the stand 11.

The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.