CN210257205U

CN210257205U - Electromagnetic heating device of extruder

Info

Publication number: CN210257205U
Application number: CN201920821774.9U
Authority: CN
Inventors: 张建辉; 范硕清; 付江华; 付文超
Original assignee: Yingcheng Xindu Chemical Plastic Industry Co ltd
Current assignee: Yingcheng Xindu Chemical Plastic Industry Co ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-04-07
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses an extruder electromagnetic heating device belongs to extruder technical field, including inner tube, last heat preservation shell and lower heat preservation shell, both ends communicate respectively has feed end and discharge end about the inner tube, go up the both sides fixedly connected with of heat preservation shell and go up fixed ear, fixed ear is down fixed to the both sides fixedly connected with of heat preservation shell down, the surface winding of inner tube has solenoid, it is located to go up the heat preservation shell the top of inner tube, the heat preservation shell is located down the below of inner tube, go up fixed ear and fix down through bolt and nut fixed connection between the ear. The utility model discloses in, replace the resistance wire through setting up solenoid, when using, use solenoid to heat, solenoid is difficult bad, and the life-span is increased, and when using, go up the heat preservation shell and establish at solenoid outside with lower heat preservation shell cover, the save temperature reduces the energy consumption, uses environmental protection more.

Description

Electromagnetic heating device of extruder

Technical Field

The utility model belongs to the technical field of the extruder, specifically be an extruder electromagnetism heating device.

Background

When the extruder is used for granulating plastic raw materials, the plastic raw materials contain moisture and volatile organic compounds, so that the appearance and the performance of a plastic product can be influenced if the moisture and the volatile organic compounds are not discharged during granulation, and the extruder is generally used for forcibly separating the moisture and the volatile organic compounds by vacuumizing and utilizing an external force.

Most of the existing extruders heat materials by installing resistance wires in screw rods, so that the materials cannot be uniformly heated, and the resistance wires are high in energy consumption and short in service life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the electromagnetic heating device for the extruder is provided for solving the problems that most of existing extruders heat materials by installing resistance wires in screws, so that the materials cannot be uniformly heated, and the resistance wires are high in energy consumption and short in service life.

The utility model adopts the technical scheme as follows:

the electromagnetic heating device for the extruder comprises an inner tube, an upper heat-insulating shell and a lower heat-insulating shell, wherein the left end and the right end of the inner tube are respectively communicated with a feeding end and a discharging end, the two sides of the upper heat-insulating shell are fixedly connected with upper fixing lugs, the two sides of the lower heat-insulating shell are fixedly connected with lower fixing lugs, an electromagnetic coil is wound on the outer surface of the inner tube, the upper heat-insulating shell is positioned above the inner tube, the lower heat-insulating shell is positioned below the inner tube, the upper fixing lugs and the lower fixing lugs are fixedly connected through bolts and nuts, and the electromagnetic coil is electrically connected with an external power supply.

The upper heat-insulating shell and the lower heat-insulating shell are both semicircular, and the length of the upper heat-insulating shell and the length of the lower heat-insulating shell are equal to the length of the inner pipe.

The left sides of the upper heat-insulating shell and the lower heat-insulating shell are connected with the feeding end in a sealing mode through sealing glue.

The right sides of the upper heat-insulation shell and the lower heat-insulation shell are connected with the discharge end in a sealing mode through sealing glue.

Wherein, the internal diameter of the upper heat-insulating shell and the lower heat-insulating shell is larger than the external diameter of the inner pipe.

The right side of the upper fixing lug and the left side of the discharge end are both provided with a convex ring, and the outer diameter of the convex ring is equal to the inner diameter of the upper heat-insulating shell and the inner diameter of the lower heat-insulating shell.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, replace the resistance wire through setting up solenoid, when using, use solenoid to heat, solenoid is difficult bad, and the life-span increases.

2. The utility model discloses in, through setting up heat preservation shell and heat preservation shell down, when using, go up the heat preservation shell and establish at solenoid outside with lower heat preservation shell cover, the save temperature reduces the energy consumption, uses environmental protection more.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a sectional view of the present invention;

fig. 3 is a view for completing the installation of the present invention.

The labels in the figure are: 1. an inner tube; 2. a discharge end; 3. a feeding end; 4. an electromagnetic coil; 5. a lower fixing lug; 6. a lower heat preservation shell; 7. an upper heat preservation shell; 8. an upper fixing lug; 9. a bolt; 10. and a nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 and fig. 2 and fig. 3, an electromagnetic heating device for an extruder comprises an inner tube 1, an upper thermal insulation shell 7 and a lower thermal insulation shell 6, wherein the left end and the right end of the inner tube 1 are respectively communicated with a feeding end 3 and a discharging end 2, the two sides of the upper thermal insulation shell 7 are fixedly connected with upper fixing lugs 8, the two sides of the lower thermal insulation shell 6 are fixedly connected with lower fixing lugs 5, an electromagnetic coil 4 is wound on the outer surface of the inner tube 1, the upper thermal insulation shell 7 is positioned above the inner tube 1, the lower thermal insulation shell 6 is positioned below the inner tube 1, the upper fixing lugs 8 and the lower fixing lugs 5 are fixedly connected through bolts 9 and nuts 10, the electromagnetic coil 4 is electrically connected with an external power supply, when the electromagnetic heating device is used, the electromagnetic coil 4 is used for replacing a resistance wire, when the electromagnetic heating device is used, the electromagnetic coil 4 is not easy to be damaged, the service life is prolonged, and the upper heat-insulating shell 7 and the lower heat-insulating shell 6 are sleeved outside the electromagnetic coil 4, so that the temperature is preserved, the energy consumption is reduced, and the use is more environment-friendly.

Referring to fig. 2 and fig. 3, the upper heat-insulating shell 7 and the lower heat-insulating shell 6 are both semicircular, the length of the upper heat-insulating shell 7 and the length of the lower heat-insulating shell 6 are equal to the length of the inner tube 1, the left sides of the upper heat-insulating shell 7 and the lower heat-insulating shell 6 are hermetically connected with the feed end 3 through sealant, the right sides of the upper heat-insulating shell 7 and the lower heat-insulating shell 6 are hermetically connected with the discharge end 2 through sealant, the inner diameters of the upper heat-insulating shell 7 and the lower heat-insulating shell 6 are larger than the outer diameter of the inner tube 1, the right sides of the upper fixing lugs 8 and the left sides of the discharge end 2 are both provided with convex rings, the outer diameters of the convex rings are equal to the inner diameters of the upper heat-insulating shell 7 and, and the upper heat-insulating shell 7 and the lower heat-insulating shell 6 are sleeved outside the electromagnetic coil 4, so that the temperature is preserved, the energy consumption is reduced, and the use is more environment-friendly.

The working principle is as follows: the utility model discloses when using, use solenoid 4 to replace the resistance wire, when using, use solenoid 4 to heat, solenoid 4 is difficult bad, and the life-span is prolonged, will go up

heat preservation shell

7 and 6 covers of heat preservation shell down and establish in solenoid 4's outside to fix through bolt 9 and nut 10, go up

heat preservation shell

7 and 6 covers of heat preservation shell down and establish in solenoid 4 outsidely, the save temperature reduces the energy consumption, uses environmental protection more.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The electromagnetic heating device for the extruder comprises an inner pipe (1), an upper heat-insulating shell (7) and a lower heat-insulating shell (6), and is characterized in that: the utility model discloses a heat preservation shell, including inner tube (1), inner tube (1) about both ends communicate respectively has feed end (3) and discharge end (2), go up the both sides fixedly connected with of heat preservation shell (7) and go up fixed ear (8), fixed ear (5) under the both sides fixedly connected with of heat preservation shell (6) down, the surface winding of inner tube (1) has solenoid (4), it is located to go up heat preservation shell (7) the top of inner tube (1), heat preservation shell (6) are located down the below of inner tube (1), go up between fixed ear (8) and fixed ear (5) down through bolt (9) and nut (10) fixed connection, solenoid (4) and external power source electric connection.

2. An electromagnetic heating apparatus for an extruder as set forth in claim 1, wherein: the upper heat-insulating shell (7) and the lower heat-insulating shell (6) are both semicircular, and the length of the upper heat-insulating shell (7) and the length of the lower heat-insulating shell (6) are equal to the length of the inner pipe (1).

3. An electromagnetic heating apparatus for an extruder as set forth in claim 1, wherein: the upper heat-insulating shell (7) is connected with the left side of the lower heat-insulating shell (6) and the feeding end (3) in a sealing manner through a sealant.

4. An electromagnetic heating apparatus for an extruder as set forth in claim 1, wherein: the right sides of the upper heat-insulating shell (7) and the lower heat-insulating shell (6) are connected with the discharge end (2) in a sealing manner through sealant.

5. An electromagnetic heating apparatus for an extruder as set forth in claim 1, wherein: the inner diameters of the upper heat-insulating shell (7) and the lower heat-insulating shell (6) are larger than the outer diameter of the inner pipe (1).

6. An electromagnetic heating apparatus for an extruder as set forth in claim 1, wherein: the right side of the upper fixing lug (8) and the left side of the discharge end (2) are both provided with convex rings, and the outer diameters of the convex rings are equal to the inner diameters of the upper heat-insulating shell (7) and the lower heat-insulating shell (6).