CN210552928U

CN210552928U - Electromagnetic heating device of plastic extruder

Info

Publication number: CN210552928U
Application number: CN201921240218.9U
Authority: CN
Inventors: 戴雄飞; 戴雄伟
Original assignee: Yutian Shuai Chen Plastic Products Co Ltd
Current assignee: Yutian Shuai Chen Plastic Products Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-05-19
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses an electromagnetic heating device of a plastic extruder, which comprises a base and a support frame fixedly welded on the base, wherein one end of the base is fixedly provided with a power device, the upper end part of the support frame is provided with a notch, the cross section of the notch is a semicircle, a material conveying pipe is fixedly arranged in the support frame, the material conveying pipe is of a round pipe structure, one end of the material conveying pipe is provided with a feed inlet, the other end of the material conveying pipe is provided with a discharge outlet, an electromagnetic heating pipe is arranged in the middle cavity of the material conveying pipe, the outer surface of the electromagnetic heating pipe is provided with a feeding device; change heating device into the heating mode from inside to outside by traditional outside-in's heating mode, set up the heat that reduction heating device that can be fine distributes in the air like this, avoid in summer, because the thermal improvement that leads to the workshop temperature of scattering and disappearing of heating device to it is extravagant to have reduced the secondary energy that the workshop used air conditioner, fan cooling.

Description

Electromagnetic heating device of plastic extruder

Technical Field

The utility model relates to a breaker correlation technique field specifically is a plastic extruder electromagnetism heating device.

Background

An extruder is an equipment for processing plastic products, mainly comprising an extrusion system, a transmission system and a heating system, wherein the heating system has the function of reaching the required process temperature to heat and melt plastic particles in a barrel, the heating system generally adopts an electric heating wire for heating at present, although the heating mode has simple structure and convenient operation, the heating mode has disadvantages that firstly, the heating efficiency of the heating of the electric heating wire is lower, the heat loss is larger, more electric energy is wasted, an alternating current is used for generating an alternating magnetic field through an induction coil during electromagnetic induction heating, a magnetic conductive object is arranged in the alternating magnetic field to cut alternating magnetic lines of force, thereby generating vortex in the object, atoms in the vortex move randomly at high speed, the atoms collide with each other and rub to generate heat energy, thereby achieving the effect of heating the objects, and the mode fundamentally solves the problems of an electric heating piece, The heating efficiency of resistance heat conduction methods such as an electric heating coil is low. Secondly general heating all adopts the heating methods to inboard in the outside, though the heating device outside is equipped with the heat preservation device, but because technical reason, still have a large amount of heats to the outside diffusion loss to consume, the heat that consumes in the looks outside can also lead to the workshop temperature to rise moreover, will need devices such as fan, air conditioner to carry out the secondary cooling again, has caused the secondary waste of the energy, for this reason, the utility model provides a plastic extruder electromagnetic heating device is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic extruder electromagnetism heating device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plastics extruder electromagnetic heating device, includes the support frame of base and fixed welding on the base, the one end fixed mounting of base has power device, the notch has been seted up to the top tip of support frame, the cross-section of notch is a semicircle, and wherein fixed mounting has the conveying pipeline, the conveying pipeline is a pipe structure, and its one end is provided with the feed inlet, and the other end is provided with the discharge gate, be provided with electromagnetic heating pipe in the middle of the conveying pipeline cavity, electromagnetic heating pipe's surface is provided with feed device, and its one end fixed mounting that is close to the feed inlet has the pivot.

Preferably, power device includes the motor support, motor, reduction gear support and reduction gear, the motor support is that an upper surface sets up the notched rectangular block, and its fixed mounting is at the tip of base, motor fixed mounting is in this recess, and the motor of telling is connected with the power electricity, reduction gear support fixed mounting is in one side of motor support, and its height will be higher than the height of motor support, reduction gear fixed mounting is at reduction gear support upper surface, the input shaft of reduction gear is connected through one-level driving belt with the rotor of motor, the output shaft of reduction gear is connected through second grade driving belt with the last pivot of electromagnetic heating pipe.

Preferably, the feeding device is a spirally distributed blade structure, the inner side of a cutter body of the feeding device is connected to the outer side of the electromagnetic heating pipe, and the outer side of the cutter body of the feeding device is attached to the inner wall of the material conveying pipe.

Preferably, the electromagnetic heating pipe includes a ferromagnetic conductor, an electromagnetic induction heating coil, and a heat pipe, the ferromagnetic conductor is a round rod, the heat pipe is a pipe structure, and the inner diameter of the heat pipe is greater than the diameter of the ferromagnetic conductor, the ferromagnetic conductor is installed in the cavity of the heat pipe, and a gap is left between the ferromagnetic conductor and the heat pipe, the electromagnetic induction heating coil is disposed in the gap, and is uniformly wound on the ferromagnetic conductor, and the electromagnetic induction heating coil is electrically connected with the power supply.

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

1. the heating device is changed from a common resistance type heating device into an electromagnetic heating device, so that the conversion rate of the heating device to electric energy is greatly improved, and the aim of reducing the production cost is fulfilled;

2. change heating device into the heating mode from inside to outside by traditional outside-in's heating mode, set up the heat that reduction heating device that can be fine distributes in the air like this, avoid in summer, because the thermal improvement that leads to the workshop temperature of scattering and disappearing of heating device to it is extravagant to have reduced the secondary energy that the workshop used air conditioner, fan cooling.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

3 FIG. 33 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 32 3; 3

Fig. 4 is an enlarged view of the structure at B in fig. 3.

In the figure: the device comprises a base 1, a support frame 2, a notch 21, a power device 3, a motor support 31, a motor 32, a speed reducer support 33, a speed reducer 34, a primary transmission belt 35, a secondary transmission belt 36, a material conveying pipe 4, a material inlet 5, an electromagnetic heating pipe 6, a ferromagnetic conductor 61, an electromagnetic induction heating coil 62, a heat conduction pipe 63, a rotating shaft 64, a feeding device 7 and a material outlet 8.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a plastics extruder electromagnetic heating device, including base 1 and the support frame 2 of fixed welding on base 1, the one end fixed mounting of base 1 has power device 3, notch 21 has been seted up to the top tip of support frame 2, the cross-section of notch 21 is a semicircle, wherein fixed mounting has conveying pipeline 4, conveying pipeline 4 is a pipe structure, its one end is provided with feed inlet 5, the other end is provided with discharge gate 8, be provided with electromagnetic heating pipe 6 in the middle of the conveying pipeline 4 cavity, electromagnetic heating pipe 6's surface is provided with feeding device 7, and its one end fixed mounting that is close to feed inlet 5 has pivot 64.

Further, the power device comprises a motor support 31, a motor 32, a speed reducer support 33 and a speed reducer 34, wherein the motor support 31 is a rectangular block with a groove formed in the upper surface, the motor 32 is fixedly installed at the end of the base 1, the motor 32 is fixedly installed in the groove, the motor 32 is electrically connected with a power supply, the speed reducer support 33 is fixedly installed on one side of the motor support 31, the height of the speed reducer is higher than that of the motor support 31, the speed reducer 34 is fixedly installed on the upper surface of the speed reducer support 33, an input shaft of the speed reducer 34 is connected with a rotor of the motor 32 through a primary transmission belt 35, an output shaft of the speed reducer 34 is connected with a rotating shaft 64 on the electromagnetic heating pipe 6 through a secondary transmission belt 36, and the speed reducer 33 is used for reducing the movement rate of the;

furthermore, the feeding device 7 is a spirally distributed blade structure, the inner side of a cutter body of the feeding device is connected to the outer side of the electromagnetic heating pipe 6, the outer side of the cutter body of the feeding device is attached to the inner wall of the conveying pipe 4, the cutter body structure can slowly push materials in the cutter body along the thread direction of the cutter body in the rotating process of the feeding device, and can play a good role in stirring the materials in the cutter body, so that the materials are more uniformly heated and melted in the conveying pipe 4;

further, the electromagnetic heating tube 6 includes a ferromagnetic conductor 61, an electromagnetic induction heating coil 62, a heat pipe 63, the ferromagnetic conductor 61 is a round rod, the heat pipe 63 is a tube structure, and the inner diameter of the heat pipe 63 is larger than the diameter of the ferromagnetic conductor 61, the ferromagnetic conductor 61 is installed in the cavity of the heat pipe 63, and a gap is left between the ferromagnetic conductor and the heat pipe, the electromagnetic induction heating coil 62 is disposed in the gap and uniformly wound on the ferromagnetic conductor 61, the electromagnetic induction heating coil 62 is electrically connected with a power supply, the electromagnetic heating tube is disposed in the material conveying tube 4, and the generated heat is diffused from inside to outside, and compared with the manner that the heating device is disposed outside the material conveying tube 4, the utilization rate of the device to the heat can be increased, thereby achieving the purpose of reducing the production cost;

the working principle is as follows: during the in-service use, operating personnel preheats electromagnetic heating pipe 6 in the device through switching on the power, put into the inside of conveying pipeline 4 with the material through feed inlet 5 after preheating, then start motor 32, the rotation that drives electromagnetic heating pipe 6 through the deceleration of reduction gear makes feeding device 7 move, stir the material in the conveying pipeline 4 and make the material advance slowly in conveying pipeline 4 along with feeding device 7's motion, and heat the material through electromagnetic heating pipe, make the material be heated and melt, the material that is heated and melted at last is carried outside the device through discharge gate 8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a plastics extruder electromagnetism heating device, includes base (1) and fixed welding support frame (2) on base (1), its characterized in that: the one end fixed mounting of base (1) has power device (3), notch (21) have been seted up to the top tip of support frame (2), the cross-section of notch (21) is a semicircle, and wherein fixed mounting has conveying pipeline (4), conveying pipeline (4) are a pipe structure, and its one end is provided with feed inlet (5), and the other end is provided with discharge gate (8), be provided with electromagnetic heating pipe (6) in the middle of conveying pipeline (4) the cavity, the surface of electromagnetic heating pipe (6) is provided with feeding device (7), and its one end fixed mounting that is close to feed inlet (5) has pivot (64).

2. The electromagnetic heating device of the plastic extruder as claimed in claim 1, wherein: the power device comprises a motor bracket (31), a motor (32), a speed reducer bracket (33) and a speed reducer (34), wherein the motor bracket (31) is a rectangular block with a groove on the upper surface, which is fixedly arranged at the end part of the base (1), the motor (32) is fixedly arranged in the groove, the motor (32) is electrically connected with a power supply, the speed reducer bracket (33) is fixedly arranged on one side of the motor bracket (31), the height of the speed reducer is higher than that of the motor bracket (31), the speed reducer (34) is fixedly arranged on the upper surface of the speed reducer bracket (33), the input shaft of the speed reducer (34) is connected with the rotor of the motor (32) through a primary transmission belt (35), an output shaft of the speed reducer (34) is connected with a rotating shaft (64) on the electromagnetic heating pipe (6) through a secondary transmission belt (36).

3. The electromagnetic heating device of the plastic extruder as claimed in claim 1, wherein: the feeding device (7) is a spirally distributed blade structure, the inner side of a blade body of the feeding device is connected to the outer side of the electromagnetic heating pipe (6), and the outer side of the blade body of the feeding device is attached to the inner wall of the material conveying pipe (4).

4. The electromagnetic heating device of the plastic extruder as claimed in claim 1, wherein: electromagnetic heating pipe (6) include ferromagnetic conductor (61), electromagnetic induction heating coil (62), heat pipe (63), ferromagnetic conductor (61) is a round bar, heat pipe (63) are a body structure, and the internal diameter of heat pipe (63) will be greater than the diameter of ferromagnetic conductor (61), ferromagnetic conductor (61) are installed in the cavity of heat pipe (63), and leave the space between the two, electromagnetic induction heating coil (62) set up in this space, and its even winding is on ferromagnetic conductor (61), electromagnetic induction heating coil (62) are connected with the power electricity.