阅读说明：本技术 一种双螺杆挤出机用电磁加热装置 (Electromagnetic heating device for double-screw extruder ) 是由 寻尚伦 梁俊国 李一锦 于 2021-09-28 设计创作，主要内容包括：本发明涉及双螺杆挤出机技术领域,公开了一种双螺杆挤出机用电磁加热装置,包括加热装置主体和固定于所述加热装置主体上的控制器两部分,所述加热装置主体由至少两部分壳体通过铰接结构连接成为矩形体结构,矩形体结构四侧的壳体内壁均铺设有隔温棉,所述隔温棉表面设有电磁线圈,所述矩形体结构相对侧内壁的电磁线圈之间形成空腔体结构,空腔体内作为双螺杆挤出机螺筒的容置空间,所述控制器固定于所述壳体的外壁,其电连接至所述电磁线圈。本发明所述双螺杆挤出机用电磁加热装置,通过电磁加热的方式使得热效率更高,且更加节能,提高生产效率达30％以上。(The invention relates to the technical field of double-screw extruders, and discloses an electromagnetic heating device for a double-screw extruder, which comprises a heating device main body and a controller fixed on the heating device main body, wherein at least two parts of shells of the heating device main body are connected into a rectangular structure through a hinge structure, heat insulation cotton is paved on the inner walls of the shells on four sides of the rectangular structure, electromagnetic coils are arranged on the surfaces of the heat insulation cotton, a cavity structure is formed between the electromagnetic coils on the inner walls on the opposite sides of the rectangular structure, the cavity is used as an accommodating space of a screw barrel of the double-screw extruder, and the controller is fixed on the outer wall of the shell and is electrically connected to the electromagnetic coils. The electromagnetic heating device for the double-screw extruder disclosed by the invention has the advantages that the thermal efficiency is higher through an electromagnetic heating mode, the energy is more saved, and the production efficiency is improved by more than 30%.)

1. The utility model provides an electromagnetic heating device for double screw extruder, includes heating device main part (1) and is fixed in controller (10) two parts on heating device main part (1), its characterized in that, heating device main part (1) is connected into the cuboid structure through articulated structure by at least two parts casing (2), and the cotton (3) of insulating against heat have all been laid to the casing (2) inner wall of four sides of cuboid structure, it is equipped with solenoid (4) to insulate against heat cotton (3) surface, form cavity body structure between solenoid (4) of cuboid structure opposite side inner wall, the cavity is internal as the accommodation space of double screw extruder barrel, controller (10) are fixed in the outer wall of casing (2), its electricity is connected to solenoid (4).

2. The electromagnetic heating device for the double-screw extruder according to claim 1 is characterized in that the electromagnetic heating body (1) is formed by connecting four parts of shells (2) through a hinge structure, the four parts of shells (2) are hinged through hinges (6), and the two shells (2) at the head and the tail are fastened and fixed through lock catches (5).

3. The electromagnetic heating device for the double-screw extruder is characterized in that the shell (2) on one side is provided with a temperature measuring probing hole (8), the heat insulation cotton (3) is correspondingly provided with an opening, and the temperature measuring probing hole (8) is positioned at the position of the circular ring center hole of the electromagnetic coil (4) and corresponds to the probing hole position of the screw barrel of the double-screw extruder.

4. An electromagnetic heating device for a twin-screw extruder according to any one of claims 1-3, wherein the outer wall of the housing (2) is provided with a wire holder (7), and the electromagnetic coil (4) and the controller (10) are connected through the wire holder (7).

5. The electromagnetic heating device for the double-screw extruder is characterized in that the outer baffle (9) is fixedly arranged at the edge of the inner side wall of the shell (2).

6. An electromagnetic heating device for a twin-screw extruder as claimed in claim 1, characterized in that said controller (10) is fixed to the outer wall of said housing (2) by means of a controller seat (12).

7. The electromagnetic heating device for the double screw extruder in claim 6 is characterized in that the controller base (12) is U-shaped, the bottom of the controller base is open, a fan hole (14) is formed in one side of the controller base, the controller (10) is fixed on the outer wall of the controller base (12) through a screw, and a controller fan (15) on the back of the controller (10) is inserted into the cavity of the controller base (12) through the fan hole (14).

8. The electromagnetic heating device for the double-screw extruder as claimed in claim 7 is characterized in that a partition plate (13) is arranged in the cavity of the U-shaped controller seat (12), the partition plate (13) divides the cavity of the controller seat (12) into two parts, the upper part is a space for accommodating the controller fan (15), and the lower part is a U-shaped groove which is a space for accommodating the wires.

9. The electromagnetic heating device for the double-screw extruder is characterized in that a wire connecting hole (11) is formed in one side plate of the controller base (12), the wire connecting hole (11) and the controller (10) are located on the same side of the controller base (12) and are located below the partition plate (13), and a wire in a U-shaped groove in the lower portion of the partition plate (13) penetrates through the wire connecting hole (11) to be connected into the controller (10).

10. An electromagnetic heating system for a twin screw extruder, said system comprising a plurality of electromagnetic heating devices of claim 1, said plurality of electromagnetic heating devices being closely coupled in a series configuration to heat a twin screw extruder barrel disposed within a cavity thereof.

Technical Field

The invention relates to the technical field of double-screw extruders, in particular to an electromagnetic heating device for a double-screw extruder.

Background

The double-screw extruder is developed on the basis of a single-screw extruder, and has the characteristics of good feeding performance, mixing and plasticizing performance, exhaust performance, extrusion stability and the like, so that the double-screw extruder is widely applied to molding and processing of extruded products at present.

Current double screw extruder generally all adopts resistance-type heating to the heating methods of a spiral shell section of thick bamboo, and this kind of heating methods has heating efficiency low, and heat gives off extravagant problem among the heat-conduction process for enterprise's manufacturing cost is high, and production efficiency is low, does not accord with energy-concerving and environment-protective industrialization demand.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the electromagnetic heating device for the double-screw extruder, which adopts an electromagnetic heating mode to ensure that the heat efficiency is higher, the energy is more saved, the production efficiency is improved, and the problem that the heating efficiency of the double-screw extruder to the screw cylinder is low at present is solved.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an electromagnetic heating device for double screw extruder, includes heating device main part and is fixed in controller two parts in the heating device main part, the heating device main part is connected through hinge structure by at least two parts casing and is become the cuboid structure, and the shell inner wall of four sides of cuboid structure has all been laid and has been separated the temperature cotton, separate the cotton surface of temperature and be equipped with solenoid, form cavity body structure between the solenoid of cuboid structure opposite side inner wall, the cavity is internal as the accommodation space of double screw extruder barrel, the controller is fixed in the outer wall of casing, its electricity is connected to solenoid.

Preferably, the electromagnetic heating main body is formed by four shells which are connected through a hinge structure, the four shells are hinged through hinges and located at the head and the tail, and the shells are fastened and fixed through lock catches.

Preferably, the shell on one side is provided with a temperature measurement probing hole, the heat insulation cotton is correspondingly provided with an opening, and the temperature measurement probing hole is positioned in the position of the circular ring central hole of the electromagnetic coil and corresponds to the probing hole of the screw barrel of the double-screw extruder.

Preferably, the controller seat is U-shaped, the bottom of the controller seat is open, a fan hole is formed in one side of the controller seat, the controller is fixed to the outer wall of the controller seat through screws, and a controller fan on the back of the controller penetrates through the fan hole and is inserted into the cavity of the controller seat.

Preferably, a partition board is arranged in the cavity of the U-shaped controller seat, the partition board divides the cavity of the controller seat into two parts, the upper part is an accommodating space of the controller fan, and the lower part is a U-shaped groove which is an accommodating space of the wire.

Preferably, a wiring hole is formed in one side plate of the controller base, the wiring hole and the controller are located on the same side of the controller base and located below the partition plate, and a lead in a U-shaped groove in the lower portion of the partition plate penetrates through the wiring hole to be connected into the controller.

An electromagnetic heating system for a twin screw extruder, the system comprising a plurality of electromagnetic heating devices of claim closely coupled in a series configuration to heat a twin screw extruder barrel disposed within a cavity thereof.

(III) advantageous effects

Compared with the prior art, the invention provides an electromagnetic heating device for a double-screw extruder, which has the following beneficial effects:

1. this electromagnetic heating device for double screw extruder, through setting up the heating device main part in the screw section of thick bamboo outside, and the heating device main part by the casing, separate the cotton and solenoid to constitute of temperature, adopt electromagnetic heating's mode directly to the screw section of thick bamboo heating for the thermal efficiency is higher, and the heat is difficult for scattering and disappearing, makes the productivity improve roughly 30%, adopts hinge and hasp to connect through the casing, and the staff of being convenient for is with heating device main part dismouting and cover in the outside of screw section of thick bamboo.

2. The electromagnetic heating device for the double-screw extruder is used for fixing the controller through the controller seat, and connecting the controller with the electromagnetic heating device main body, wherein each controller seat corresponds to one electromagnetic heating device main body, namely each controller corresponds to one electromagnetic heating device main body.

3. This electromagnetic heating device for double screw extruder through setting up the baffle on the controller seat, can prevent that the heat that the electromagnetic heating device main part was dispelled from upwards giving off the work that influences the controller, through setting up the fan hole on the controller seat for install the controller fan and blow to the inside of controller, dispel the heat fast to the inside PCB board of controller.

4. According to the electromagnetic heating device for the double-screw extruder, the wiring hole formed in the controller seat can ensure that the wiring penetrates through the wiring hole and electrically connects the heating device main body and the controller, the whole system is regular in wiring and attractive, and electromagnetic interference caused by random wiring is avoided.

5. This electromagnetic heating device for double screw extruder, through setting up the temperature measurement on the casing and visit the hole, also install the temperature measurement on the position that the spiral shell section of thick bamboo corresponds and visit the hole, can guarantee to insert temperature measuring device and carry out the temperature measurement to the material of spiral shell inside from the outside.

Drawings

FIG. 1 is a perspective view of a heating apparatus main body according to the present invention;

FIG. 2 is an expanded view of the heating apparatus main body according to the present invention;

FIG. 3 is a perspective view of the controller base of the present invention;

FIG. 4 is a view showing an installation structure of the controller and the controller holder according to the present invention;

fig. 5 is a schematic view of an installation structure of the electromagnetic heating system of the present invention. In the figure: the device comprises a heating device body 1, a shell 2, heat insulation cotton 3, an electromagnetic coil 4, a lock catch 5, a hinge 6, a wire holder 7, a temperature measuring probe hole 8, an outer baffle 9, a controller 10, a wire hole 11, a controller holder 12, a partition plate 13, a fan hole 14 and a controller fan 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an electromagnetic heating device for a twin-screw extruder comprises a heating device main body 1 and a controller 10 fixed on the heating device main body 1, wherein the heating device main body 1 is formed by connecting at least two parts of shells 2 into a rectangular structure through a hinge structure, heat insulation cotton 3 is laid on the inner walls of the shells 2 on four sides of the rectangular structure, an electromagnetic coil 4 is arranged on the surface of the heat insulation cotton 3, a cavity structure is formed between the electromagnetic coils 4 on the inner walls on the opposite sides of the rectangular structure, the cavity is used as an accommodating space for a screw barrel of the twin-screw extruder, and the controller 10 is fixed on the outer wall of the shell 2 and is electrically connected to the electromagnetic coil 4.

The electromagnetic heating main body 1 is formed by connecting four parts of shells 2 through a hinge structure, the four parts of shells 2 are hinged through hinges 6, and the shells 2 at the head and the tail are buckled and fixed through lock catches 5, as shown in fig. 2. Through hinge type connection structure, can make electromagnetic heating device main part 1 simple and convenient more nimble when packing into the screw section of thick bamboo, and it is more convenient to dismantle the maintenance.

Temperature measurement exploratory hole 8 has been seted up to one side casing 2, and the cotton 3 correspondence of thermal-insulated is equipped with the trompil, and temperature measurement exploratory hole 8 is located solenoid 4's ring centre bore position department to with the exploratory hole position of twin-screw extruder barrel corresponding, like figure 1 and figure 2, so that in the heating process, can insert the barrel with temperature measuring device from the temperature measurement exploratory hole inside, carry out real-time supervision to the temperature in the barrel, carry out efficient heat treatment to the material.

The outer wall of the shell 2 is provided with a wire holder 7, and the electromagnetic coil 4 is connected with the controller 10 through the wire holder 7.

The inside wall edge of casing 2 all fixedly is equipped with outer baffle 9, can prevent that the material after the heating melts from flowing into in 1 cavity of electromagnetic heating main part and stained thermal-insulated cotton 3.

The controller 10 is fixed to an outer wall of the housing 2 through a controller holder 12. The fixing mode can adopt a hinge type connection or a screw fixing mode, and the like, each electromagnetic heating main body 1 is respectively fixed with a controller 10, and the controllers 10 are connected to the electromagnetic coils 4 in the electromagnetic heating main bodies 1 through the wire holders 7 to independently control the electromagnetic heating main bodies 1 connected with the controllers.

The controller base 12 is U-shaped, the bottom of the controller base is open, a fan hole 14 is formed in one side of the controller base, the controller 10 is fixed on the outer wall of the controller base 12 through screws, and a controller fan 15 on the back of the controller 10 penetrates through the fan hole 14 and is inserted into a cavity of the controller base 12.

The cavity of the U-shaped controller seat 12 is internally provided with a partition plate 13, the partition plate 13 divides the cavity of the controller seat 12 into two parts, the upper part is an accommodating space of the controller fan 15, and the lower part is a U-shaped groove which is an accommodating space of a wire, so that the whole system is regular in wiring, neat and attractive, and electromagnetic interference caused by random wiring is avoided.

A wire connecting hole 11 is arranged on one side plate of the controller base 12, the wire connecting hole 11 and the controller 10 are positioned on the same side of the controller base 12 and are positioned below the partition plate 13, and a lead in a U-shaped groove at the lower part of the partition plate 13 penetrates through the wire connecting hole 11 to be connected into the controller 10.

Through setting up baffle 13 on controller seat 12, can prevent that the work of controller 10 is influenced to upwards giving off by the heat that electromagnetic heating device main part 1 dispels, and through setting up fan hole 14 on controller seat 12, the structure of installation controller fan 15 in the fan hole 14, controller fan 15 can be bloied to the inside of controller 10, dispels the heat fast to the inside PCB board of controller 10, has guaranteed the life of controller 10. If the system is applied to a space with large dust, the two sides of a cavity surrounded by the controller base 12 and the partition plate 13 can be provided with filtering devices to filter the dust, and the controller fan 15 blows air towards the inside of the controller 10 all the time, so that the inside of the controller 10 is always in positive pressure, and the dust cannot enter the inside of the controller 10. In summary, in the electromagnetic heating device for the twin-screw extruder, when in use, the lock catch 5 on the housing 2 is opened, the housing 2 is unfolded, then the housing 2 is wrapped outside the screw barrel, so that the electromagnetic coil 4 inside the housing 2 is in contact with the surface of the screw barrel, the housing 2 is fixed by the lock catch 5, and meanwhile, the wiring of the electromagnetic coil 4 passes through the wiring hole 11 on the controller base 12 and is electrically connected with the controller 10. Electromagnetic oscillation takes place with the spiral shell section of thick bamboo in the inside solenoid 4 of casing 2 for the spiral shell section of thick bamboo produces the heat, thereby heats the inside material of spiral shell section of thick bamboo, has the heating efficiency height, and heat transfer loss advantage such as few compares in traditional resistance-type heating, can save the electric energy more than 50%, and improves the productivity and reach more than 30%. In the heating process, the temperature measuring probing hole 8 from the outside is inserted into a temperature measuring device to measure the temperature of the material in the screw barrel, so that the heating temperature can be controlled at any time. Because the inner wall at casing 2 is provided with and separates the temperature cotton, can avoid thermal scattering and disappearing as far as possible, improve the heat rate of utilization, and reduce the ambient temperature in the workshop, improve the comfort level in job shop.

The invention also comprises an electromagnetic heating system for the double-screw extruder, which is formed by respectively connecting a plurality of heating device bodies 1 and a controller 10 in series, as shown in figure 5, a plurality of electromagnetic heating devices are tightly connected in a series connection structure to heat the screw cylinder of the double-screw extruder arranged in the cavity of the electromagnetic heating system, materials are loaded from one end of the system, and after being heated and melted by the system, finished products are generated according to a preset shape and output from the other end of the system.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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.